Wexxar WF-10T Operation And Service Manual Download Page 32 | Manualshive

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WF-10T

Case Former

Theory of Operation

4-20

6) Case Sealing and Discharge

The conveyor belts move the case horizontally out of the flap folding stage into the

sealing section, clearing the forming section for the next case. The side-belt conveyors
grip the sides of the case to transport it over a tape applicator head (tape head) that
applies pressure-sensitive tape under the bottom flaps and trims it to the correct length.
The side-belt conveyor continues to drive the case until it exits the machine. Sensor
PHS-15 is triggered when the case exits the machine, permitting the next cycle to begin.

NOTE: For the location and description of the major parts,
refer to Section 3.1: ‘Major Components’.

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Summary of Contents for WF-10T

Page 1: ...WF 10T Case Former WEXXAR WF 10T CASE FORMER Operation and Service Manual 10101 Nordel Court Delta B C V4G 1J8 Canada Telephone 604 930 9300 Fax 604 930 9368 WF 10T Rev 1 13 ...

Page 2: ...WF 10T Case Former ...

Page 3: ...ED DESIGN 1 4 2 INSTALLATION 2 5 2 1 PREREQUISITES 2 5 2 2 SITE ENVIRONMENT CONSIDERATION 2 5 2 3 REMOVAL FROM CRATE 2 6 2 4 INSTALLING THE WF 10T 2 6 2 5 LOCATION LEVELING AND CONVEYORS 2 7 2 5 1 Location 2 7 2 5 2 Leveling 2 7 2 5 3 Discharge Conveyor 2 7 2 6 SERVICE CONNECTIONS 2 8 2 6 1 Compressed Air 2 8 2 6 2 Electrical Power 2 9 2 6 3 Installing the Tape Heads 2 9 3 COMPONENT IDENTIFICATION...

Page 4: ... CASE BLANK LENGTH DIMENSION A ADJUSTMENT 7 54 7 7 BOTTOM FLAP HEIGHT DIMENSION M ADJUSTMENT 7 55 7 8 CASE BLANK HEIGHT DIMENSION B ADJUSTMENT 7 56 7 9 JAWPLATE CASE WIDTH DIMENSION D1 ADJUSTMENT 7 57 7 9 1 Horizontal Pinblock Adjustments 7 60 7 9 2 Pinblock Mounting Orientation 7 62 7 9 3 Bottom Carriage Jawplate Pin Dome Position Adjustments 7 63 7 10 CENTER SKI CASE WIDTH DIMENSION D2 ADJUSTMEN...

Page 5: ... Dust 9 88 9 7 4 Conveyor Drive Rattles Audibly 9 88 9 7 5 Cases Jam Frequently Between Belts 9 89 9 7 6 Frequent Belt Breakage 9 89 9 8 BOTTOM FLAP FOLDING TROUBLESHOOTING 9 90 9 8 1 Rear Minor Flap Does Not Fold 9 90 9 8 2 Rear Flap Folds Releases and Turns Backwards 9 90 9 8 3 Bottom Major Flaps Bind On Center Ski 9 90 9 8 4 Major Flaps Overlap in Center of Case 9 90 9 8 5 Bottom Major Flaps Ha...

Page 6: ...1 PERFORMANCE CHECKLISTS 11 97 11 2 INSTRUCTIONS FOR ASSESSING PERFORMANCE 11 98 12 SERVICE WARRANTY 12 99 13 OPTIONS 13 100 13 1 TAPE MONITORING SYSTEM 13 100 14 INDEX 14 101 APPENDIX A 104 Material Safety Data Sheets Fuchs Lubricants Geralyn FMG 387 104 APPENDIX B 112 Material Safety Data Sheets Keystone Lubricants Nevastane HT 2 112 ...

Page 7: ...ments 7 56 Table 15 Dimension D1 Adjustments 7 59 Table 16 Horizontal Pinblock Adjustments 7 61 Table 17 Pinblock Mounting Orientation 7 62 Table 18 Dimension D2 Adjustments 7 64 Table 19 Dimension D3 Adjustments 7 65 Table 20 Dimension C Adjustments 7 67 Table 21 Full Cycle Sequence 7 68 Table 22 Dimension Adjustment Reference 7 69 Table 23 Machine Inspection 8 73 Table 24 Routine Operator Mainte...

Page 8: ... LARGE BOX SMALL BOX Button 5 26 Figure 5 11 Box Setup Screen 5 26 Figure 5 12 Box Size Selection Button 5 26 Figure 5 13 Changing the Box Size 5 27 Figure 5 14 SMALL BOX Selected 5 27 Figure 5 15 Box Setup Jogging On Button 5 27 Figure 5 16 Previous Button 5 27 Figure 5 17 JOG CONTROL Button 5 27 Figure 5 18 Jog Control Screen 5 28 Figure 5 19 JOG CONTROL Status Indicator Illuminated 5 28 Figure ...

Page 9: ...7 54 Figure 7 7 Vertical Adjustment Chain Lock 7 55 Figure 7 8 Dimension M Hand Crank 7 55 Figure 7 9 Dimension M Pointer 7 55 Figure 7 10 Dimension B Vertical Adjustment Chain Lock 7 56 Figure 7 11 Dimension B Pointer on Injector Backplate 7 56 Figure 7 12 Dimension B Hand Crank 7 56 Figure 7 13 Dimension D1 Hand Crank 7 57 Figure 7 14 Dimension D1 Pointer 7 57 Figure 7 15 Measuring Parallel Jawp...

Page 10: ...e contact our Service Center before proceeding While every effort has been made to ensure the completeness and accuracy of this manual WEXXAR assumes no responsibility or liability for any losses or damages resulting from the use of the information contained in this document Due to technical advances and improvements some of the information contained in this manual may be changed or modified witho...

Page 11: ...ls with machine calibration and case size adjustments as well as testing and troubleshooting Chapter 8 is for users who maintain equipment or systems It provides the safety guidelines a maintenance schedule the procedures for maintenance and lubrication and a list of maintenance parts Chapter 9 is for qualified repair technicians and provides them with safety guidelines to follow when undertaking ...

Page 12: ... manual we italicize the link and use single quotes For example See Section 6 Operating Procedures Please note that some of the some of the pictures in this manual may differ slightly from your machine This symbol alerts you to a risk of personal injury due to mechanical or pneumatic operation This symbol indicates that an electrical hazard may be present It may be used in lieu of the wording caut...

Page 13: ...the machine is in operation There are three EMERGENCY STOP buttons that immediately halt all machine operations by cutting off air supply and electrical power These buttons should be pushed IN to stop the machine in case of an emergency WARNING The instructions in this manual are not intended to cover all of the details or variations in equipment or to provide for every possible contingency to be ...

Page 14: ...Industrial Control Equipment ANSI Z535 4 2002 Product Safety Signs Labels ANSI B155 1 2000 for Packaging Machinery NEMA 12 UL listed standard electrical control 1 3 General Precautions Your WEXXAR packaging machine is a rugged piece of industrial machinery It is equipped with various guards and other safety features but it must be treated with respect at all times to avoid the possibility of perso...

Page 15: ...exercise caution when switching the compressed air back ON Stay well clear of all moving parts as they may move quickly when the pressure is reapplied Make sure that no other people are in a dangerous position when switching the compressed air on 1 6 Electrical Power The main supply voltage for the WF 10T is 120V 60Hz single phase Switch off the main power disconnect switch located on the control ...

Page 16: ...nd mechanical hazards Please pay particular attention to the cautionary labels found on the machine Examples of cautionary labels are shown below Figure 1 3 Sample Cautionary Label 1 11 Lubricants etc Read the attached Material Safety Data Sheets Appendices A and B which fully describe the specifications of all of the chemicals used with the WEXXAR Model WF 10T 1 12 Safety Oriented Design All mach...

Page 17: ...use in a controlled indoor environment free of conductive contaminants Do not let the any areas of the unit adjacent to electrical components come in contact with water Do not stand beverage containers on the electrical panel or on any surface adjacent to electrical components This system is not intended for external use unless it has been specifically modified for that purpose This unit is rated ...

Page 18: ...eport any shipping damage immediately to your Carrier Check spare parts kits change parts and any other loose items against the packing slip and report any errors or omissions to your WEXXAR BEL agent for corrective action The crate should be dismantled and all packing materials and shipping ties should be removed Do not disassemble the unit 2 4 Installing the WF 10T To safely install the machine ...

Page 19: ...arge end Adjust the machine leveling feet under the magazine and discharge ends on the opposite side in order to centralize the bubble between the parallels Tighten the level adjuster lock nuts Anchor the machine to the floor The machine should be kept level in order to avoid frame stress and ensure optimum performance An adjustable height footpad kit is included as standard equipment and can be u...

Page 20: ...d air ON OFF dump valve unless otherwise specified and a filter regulator that regulates the air pressure to the proper setting and ensures that any water is drained from the filter With the electrical power OFF open the manual shutoff valve and check that the regulator is set to a pressure of 90 PSI After connecting the electrical power see Section 2 6 2 switch the electrical power ON all cylinde...

Page 21: ... machine controls The drive motor should be ON Verify the direction of the drive motor Allow the machine to run for ten minutes to ensure that the factory preset motor overloads do not trip Minor adjustments to these components may be necessary to compensate for voltage variations A dedicated electrical circuit is recommended for this machine Any electrical connections required before installing t...

Page 22: ...s Carriage Guide Track Center Ski D2 Adjustment Tape Head Bracket Slots Carriage with Jawplate Width D1 Adjustment Case Blank Height B Adjustment Uni Drive Chain beneath guarding Motor Leveler typical Filter Regulator Assembly Walk In Magazine Touchscreen Bottom Flap Height M Adjustment Valve Bank not shown Case Blank Length A Adjustment Stack Light position may differ depending on machine configu...

Page 23: ...ure 3 3 Flap Folding Section Components Carriage Return Shock Absorbers PRS 05 Carriage Return Sensor Major Flap Folder Guarding Major Flap Folder Center Ski Front Minor Flap Folder Ramp Side belt Conveyor PRS 09 Jaws Close Carriage Up Sensor Shock Absorbers Kicker Arm Rear Minor Flap Folder D2 Quick Adjust ...

Page 24: ...liper and Sensors Figure 3 5 Walk In Magazine Assembly PRS 02 Injector Up Sensor PRS 03 Injector Down Sensor PHS 04 Case Separator Up Sensor Caliper Slot Injector Caliper Magazine Pusher Locks Infeed Supports Hopper Guide Rails Magazine Pushers PRS 01 Empty Magazine Sensor ...

Page 25: ...ification 3 13 Figure 3 6 Carriage and Jawplate Assemblies Pin Dome Assemblies Jawplates Sliding Bar D1 Quick Adjusts PRS 10 Case Down Sensor PRS 06 Jaws Open Start Sensor PRS 07 Cylinder Retracted Sensor PRS 08 Cylinder Extended Sensor ...

Page 26: ...It houses the PLC Programmable Logic Controller and other electrical components All electrically operated user controls with the exception of the auxiliary emergency stops are located on the door of this enclosure 5 DC Power Supply The DC Power Supply is a device that delivers 24V DC power for the machine s control system 6 Discharge Outfeed Conveyor The Discharge Conveyor advances cases to the ne...

Page 27: ...ximity Sensor Infrared Sensors are used to optically detect the presence of the case 18 Injector The Injector injects the separated case blank downwards from the caliper slot into the Pin and Dome modules 19 Jawplates Consisting of two opposing plates equipped with pins and domes the Jawplates open the case by a 90 pivoting action as the carriage assembly advances towards the flap folding assembly...

Page 28: ...o control the machine s operating sequence 29 Rear Flap Folder The Rear Flap Folder kicks up the bottom rear minor flap as the conveyors propel the case over the bottom center ski The rear flap folder has a wedge shaped cut out so that the position of the rear flap folder doesn t interfere with the ski when Dimension D2 is set at its minimum setting 30 Shock Absorber Adjustable hydraulic Shock Abs...

Page 29: ...orrugated case material The result is clamping of the outer skin giving unparalleled grip on the case panels Pin and Dome modules are mounted on opposing hinged plates After each case blank is separated from the magazine stack it is thrust downward between these plates and onto the Pin and Dome modules gripping the case on two sides at one corner The plates then open to an angle of 90 opening the ...

Page 30: ... for erecting and feeds them into the machine The cases stand edgewise on an angled gravity fed hopper which advances the cases to the case forming section where they are selected one at a time for processing The weighted hopper pushers are also part of the feed system They apply constant gravitational pressure to the cases at the top of the case stack to ensure proper operation of the case separa...

Page 31: ... has been fully opened it is transferred into the flap folder a system that folds both the case s major and minor flaps As a case enters the flap folding section the bottom leading minor flap is passively folded by an adjustable center ski Once the case has been conveyed over the center ski the rear flap folder kicks the rear bottom minor flap into a horizontal position The carriage is then lowere...

Page 32: ...s grip the sides of the case to transport it over a tape applicator head tape head that applies pressure sensitive tape under the bottom flaps and trims it to the correct length The side belt conveyor continues to drive the case until it exits the machine Sensor PHS 15 is triggered when the case exits the machine permitting the next cycle to begin NOTE For the location and description of the major...

Page 33: ... 276 ON Case Injector DOWN PRS 05 01 276 ON Carriage BACK PRS 06 01 276 ON Jaw OPEN Start PRS 07 01 276 ON Jaw Cylinder RETRACTED PRS 08 01 276 ON Jaw Cylinder EXTENDED PRS 09 01 276 ON Jaw CLOSED Carriage UP PRS 10 01 276 ON Carriage DOWN PRS 11 01 276 ON Case IN PRS 13 01 276 ON No Tape Running Tape optional PRS 14 01 276 ON Low Tape optional 4 2 2 Optical Sensors These infrared photosensors are...

Page 34: ...m the PLC into airflow to the pneumatic cylinders that control machine movements Each machine movement is able to be performed immediately once the previous pneumatic function has been completed All of the solenoid valves are located on the pneumatic valve bank The valve bank is located on the operator s side of the machine on the main frame WARNING As the solenoid assembly de energizes either as ...

Page 35: ... disconnect switch turns the main electrical power to the machine ON or OFF it can be locked in the OFF position for safety during maintenance operations 2 RESET Button The blue RESET button returns the machine to a state in which it is ready to resume operation after an emergency stop or other machine fault 3 EMERGENCY STOP Buttons Touching any of the three EMERGENCY STOP buttons immediately cuts...

Page 36: ...the Service screen anywhere will activate the Main Control screen Normal machine status messages are shown green in the Main Control screen in the Machine Alarm display Machine fault messages are shown in this display in red They identify serious problems with the machine Amber remedy messages and cautionary messages of impending faults are scrolled in the Warning Message display immediately below...

Page 37: ...hine in AUTOMATIC CYCLE Mode 6 START Button The START button starts the CYCLE of the machine to form cases continually If the REMOTE DEMAND sensor is ON automatic case forming will stop when formed cases block the sensor on the outfeed conveyor and will resume when they move downstream away from the sensor Once pressed the START button will be replaced with a STOP button NOTE When the START button...

Page 38: ... into AUTOMATIC CYCLE mode Then press the START button to run the machine in AUTOMATIC CYCLE mode Press the STOP button to stop the machine after the current cycle is completed The green AUTOMATIC CYCLE light on the beacon tower will illuminate and stay illuminated until the machine is stopped by a machine fault input or by one of the following conditions STOP EMERGENCY STOP or GUARD DOOR OPEN Fig...

Page 39: ...he BOX SETUP JOG should always be used when setting up for a new box size Touch the JOG CONTROL button in the lower left hand corner of the screen or the PREVIOUS button in the lower right hand corner of the screen to exit the Box Setup screen 12 JOG CONTROL Button This button located to the bottom left of the Main Control screen when the machine is stopped This button will take the machine into J...

Page 40: ...oubleshooting instructions please refer to Section 10 Troubleshooting Repairs 15 MACHINE CYCLE JOG Button In the center of the Jog Control screen is the MACHINE CYCLE JOG button Each time it is pressed the machine moves through a single step of the box forming process At the top of the screen the display shows what the next step will be when the MACHINE CYCLE JOG pushbutton is pushed again 16 SETU...

Page 41: ...ine has been put into DRY CYCLE operation an indicator also appears at the bottom of the screen displaying the text DRY CYCLE ACTIVE To exit DRY CYCLE operation press the DRY CYCLE ON OFF button The button will now read DRY CYCLE OFF When the machine is in DRY CYCLE operation a small indicator appears at the bottom of the screen displaying the text DRY CYCLE ACTIVE To exit DRY CYCLE operation pres...

Page 42: ...n touch the REMOTE DEMAND OFF ON toggle switch which will then turn green and display the text REMOTE DEMAND ON Also the remote demand sensor should be placed facing a suitable location on the discharge conveyor belt In that way if finished boxes are accumulating on the conveyor belt the remote demand sensor can stop the machine from producing more boxes When the remote demand has been turned ON a...

Page 43: ... green and its label will change to BOX CALL ON At the same time the remotely controlled BOX CALL button will be enabled Press the BOX CALL button each time a new box is required NOTE Because the REMOTE DEMAND mode is prioritized over the BOX CALL mode if both modes are activated simultaneously and the remote demand sensor senses the presence of a case downstream of the machine the machine will ig...

Page 44: ...ed when they were made If the erecting order does not match the printing direction the only way the cases can be erected on an automatic former is with the printing and therefore the formed case upside down Needless to say case printing direction orientation has been a source of considerable confusion in matching forming machines to the case blanks that they are intended to erect and a common prob...

Page 45: ...left handed cases are erected by the cylinder retraction stroke such that part of the change over procedure is to select the appropriate controller logic for the cylinder home position and actuating direction Since the case proceeds on the machine centerline from the magazine through to the formed case discharge the balance of machine adjustments are unaffected by the direction of case erecting Fi...

Page 46: ... the jaw mount plates Detach jawplates from machine 4 Remove the pivot link mounting screws that secure the pivot links to the carriage assembly Detach pivot links from machine and replace with provided replacement pivot links for right hand jawplate orientation Secure replacement pivot links with provided screws 5 Remove the 4 screws that secure the major jawplate to the major jawplate extension ...

Page 47: ...WF 10T Case Former Controls 5 35 Figure 5 38 Case Orientation Handing Change over Figure 5 37 Case Orientation Toggle Switch ...

Page 48: ...larm History screen Touch the blank field in the Password window to bring up an Alphanumeric keypad window Type the required password To enter the password into the Password window touch the ENTER key Then touch the OK button in the Password window to bring up the Machine Tuning screen If you enter an invalid password an error message will display Touch OK to remove the error message and input a v...

Page 49: ... button The Troubleshooting screen provides access to the machine s PLC Programmable Logic Controller inputs and outputs Touch the TROUBLESHOOTING button to be taken to the Troubleshooting screen Figure 5 47 Troubleshooting Screen 22 Troubleshooting Screen In the center of the Troubleshooting screen are the PLC INPUTS and PLC OUTPUTS buttons 23 PLC INPUTS Button In the center left side of the Trou...

Page 50: ...ch the PREVIOUS button in the bottom right hand corner of the screen to return to the Troubleshooting screen or touch the MAIN CONTROL button in the bottom left hand corner of the screen to bring up the Main Control screen Figure 5 51 PLC Input Status Indicator Illuminated 25 PLC OUTPUTS Button In the center right side of the Troubleshooting screen is the PLC OUTPUTS button Touch this button to ac...

Page 51: ...touch each button When a button is touched it will illuminate and that machine component will function If it does not function inspect and repair the component Touch the PREVIOUS button in the bottom right hand corner of the PLC Outputs screen to return to the Troubleshooting screen Touch the MAIN CONTROL button in the bottom left hand corner of the screen to bring up the Main Control screen Figur...

Page 52: ...rrounds the area known as the restrictive envelope and covers the entire range of possible machine motion For your safety you should never try to bypass the perimeter guarding system or enter the restrictive envelope while the machine is in operation An EMERGENCY STOP button is provided to immediately halt all machine operation by cutting off air supply and electrical power This button should be p...

Page 53: ...k operating lever should be in a vertical position Are the EMERGENCY STOP buttons in the OUT position Turn clockwise or pull out to release Is the tape applicator on the WF 10T properly installed loaded with a tape roll and ready to go The end of the tape should be on the front roller with the sticky side facing the incoming case For complete tape installation instructions see the separate Dekka T...

Page 54: ... go 6 2 2 Start up Procedures After completing the procedures outlined in Section 6 2 1 Preliminary Checks start the machine as follows 1 Press the RESET button once Air pressure will now be applied to the various machine mechanism cylinders The remaining mechanisms move to their respective HOME positions as follows Table 6 Mechanism HOME Positions and Valve Numbers Mechanism HOME Position Valve N...

Page 55: ... US Select the procedure for the desired mode of operation below AUTOMATIC CYCLE Operation Press the RESET button If machine is not in AUTOMATIC CYCLE mode press the MAIN CONTROL button Press the START button to begin cycling cases JOG Operation Press the RESET button If machine is not in JOG mode press the JOG MODE button Press the START button once for each stage in the case forming and sealing ...

Page 56: ...d strapped do not remove the strapping until you have placed the cases in the magazine This keeps the cases all aligned and simplifies loading Do not let the magazine quantity get too low If there is fewer than 12 of cases in the magazine the machine will stop until the empty magazine case quantity sensor PRS 01 is cleared The magazine can be reloaded without stopping the machine if desired The er...

Page 57: ...load multiple case blank stacks at once you may lift the magazine pushers one at a time and lock them in position in the magazine pusher locks at the infeed end of the magazine 4 Unformed cases have a tendency to pack tighter at the bottom that at the top resulting in a gap between the tops of the cases Splayed cases in the magazine can lead to case jams or missed picks so it is important to adjus...

Page 58: ... Loading the Machine S US Position fresh cases in the magazine behind the magazine pushers One at a time lift each of the two magazine pushers up to clear the stacked cases pull them back and reposition them to push on the last case If desired lock the magazine pushers in place while loading the magazine Remove any banding straps that may be around the case bundles ...

Page 59: ...g 2 If required by local regulations or company policy lock out the electrical power and air supply before proceeding 3 Open the guard door for access to the jammed case 4 Remove all jammed case corrugate Any mechanism that is entangled with the jammed case may safely be moved by hand as all air pressure has been exhausted 5 Close the guard door and pull out the EMERGENCY STOP button Remove lock o...

Page 60: ... Open a Guard Door Opening a guard door will stop the machine rapidly regardless of where the machine is in its operating cycle similar to actuating the EMERGENCY STOP button 4 Disconnect Switch Turning OFF the disconnect switch or any other means of removing the electrical power will cause the machine to stop rapidly similar to actuating the EMERGENCY STOP button 5 Turning OFF Pneumatic Air Suppl...

Page 61: ...ange of possible machine motion For your safety you should never try to bypass the perimeter guarding system or enter the restrictive envelope while the machine is in operation An EMERGENCY STOP button is provided to immediately halt all machine operation by cutting off air supply and electrical power This button should be pushed IN to stop the machine in case of an emergency Precautions Always fo...

Page 62: ... B C D and M against the scale located on the conveyor assembly top plate Measuring Dimension A is optional as the magazine width can be adjusted to a sliding fit without measuring the case blank width Write the values down for future reference When measuring Dimension M be sure to measure the height of the smaller of the two flaps Likewise when measuring Dimension D measure the formed case width ...

Page 63: ...els For detailed machine adjustment instructions refer to the case size adjustment instruction labels on the interior of the side guard doors and the jawplate adjustment instruction label on the jawplate assembly Figure 7 1 Case Size Adjustment and Jawplate Adjustment Instruction Labels ...

Page 64: ...Case Dimension Measurements Before setting any of the machine adjustments measure all case dimensions on the scale provided on the conveyor assembly on the operator s side of the machine Refer to the images below Figure 7 2 Case Dimension Measurements ...

Page 65: ...Please call your factory representative for more details Note that the following dimensions are outside dimensions Table 11 Case Size Range A M B D1 D2 D3 C Case Size Range MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX Inches 13 30 4 7 5 5 15 6 15 9 22 Mm 330 762 102 191 127 381 153 381 229 559 Figure 7 3 Case Size Range Dimensional Diagram Dimension A Dimension B Dimension M Dimension C Dimension D ...

Page 66: ... the S box for Satisfactory Performance and US box for Unsatisfactory Performance Table 12 Dimension A Adjustments Size Adjustments Case Blank Length Adjustment Dimension A S US Measure the outside dimension of the case blank length on the scale provided Adjust the detachable Dimension A hand crank until it approaches the width of the case blank Load a stack of case blanks into the walk in magazin...

Page 67: ...nted below the injector The M adjustment is intended to adjust the vertical position of the case blank in the magazine so that the score or fold line for the bottom flaps is level with the bottom of machine conveyor side belts The bottom flap fold line is thus the datum for the vertical position of the case as it moves through the forming folding and bottom sealing of the cases If Dimension M is c...

Page 68: ...with the sensor mounted below the injector The case blank height adjustment hand crank can be located on either side of the machine arch For more information contact your Wexxar BEL representative Ensure that you re lock the vertical adjustment chain lock before continuing Check the S box for Satisfactory Performance and US box for Unsatisfactory Performance Table 14 Dimension B Adjustments Size A...

Page 69: ...d towards the infeed end of the machine A slightly wider case width in the back will permit the kicker arm and finger to fold in the bottom rear minor flap without any risk of the flap being obstructed by the perpendicular extended major flaps This prevents the rear major flap from bending upwards during case forming If necessary you can compensate for this problem by adjusting Dimension D1 very s...

Page 70: ...each other while in their HOME position refer to Section 7 9 1 Horizontal Pinblock Adjustments If the synchronizer bar is not extended or retracted as far as possible the jawplates will not be parallel when they open during machine operation Images of properly and improperly adjusted synchronizer bars are shown below The images below demonstrate the effects of improper synchronization bar adjustme...

Page 71: ...handles 2 in front and 2 in the rear that secure the jawplate assembly to the carriage assembly Pivot the free moving jawplates until they are in line with the linear carriage guide track Turn the Dimension D1 hand crank until the D1 pointer reaches the measured formed case width Place an opened case blank on the jawplates such that the pins engage the outside edges of the bottom major flaps Retig...

Page 72: ...nblocks on the major and minor jawplates do not interfere with each other Pinblocks mounted on the major jawplate that interfere with those on the minor jawplate should be adjusted sideways until they no longer cause interference To make these adjustments For each misaligned pinblock loosen the wingnut that secures the pinblock to the major jawplate The pinblocks on the minor jawplate are spaced s...

Page 73: ...hat interfere with those on the minor jawplate sideways until they no longer cause interference For each misaligned pinblock loosen the wingnut that secures the pinblock to the major jawplate Tighten the loosened wingnuts to complete the horizontal adjustment To change the depth of penetration of the pins in the corrugate flutes pull out the selected pin ring on the out facing side of the major ja...

Page 74: ... the jawplate Using this adjustment makes it possible to overcome many hard to run conditions by increasing or decreasing the grip the pins have on the corrugated material Where possible the pins should penetrate as close as possible to the leading and trailing edges of the bottom major flaps to ensure an equal case grip as the carriage conveys the formed case into the conveyor assembly Check the ...

Page 75: ...ed to engage the longer major flaps only and must be repositioned retracted or removed if they will engage the shorter minor flaps or if they will hit pins on the other jawplate when in the closed position The need to change the pin and dome positions will be most likely with small or narrow width cases Figure 7 24 Pin Dome Position Adjustments Pin blocks can be removed if necessary Pin blocks mus...

Page 76: ... the minor flaps are folded correctly To run most case widths that are close to the machine s average width capabilities the ski should be set at roughly the midpoint on its mounting slot For cases that are close to the machine s maximum width capability or cases with a larger than normal minor flap height the ski should be adjusted away from the machine infeed such that the rear minor flap does n...

Page 77: ...hanism for this adjustment The spring loaded pressure plates behind the conveyor side belts in the tape sealing area are more absorptive than any of our other WF Series machines due to the long length of the conveyor belts and the precision control required to prevent the squashing of the case sides that make contact with the belts Check the S box for Satisfactory Performance and US box for Unsati...

Page 78: ...edure outlined in Section 5 3 BOX SETUP JOGGING OFF ON Button put the machine into BOX JOG mode Jog the machine through until the case is conveyed forward by the carriage into the case forming area between the conveyors Note the position of the rear of the case relative to the rear plates of the conveyor assemblies For cases shorter than 12 in length the rear plates those nearest to the machine ar...

Page 79: ... Remove case and exit restrictive envelope Pull out E STOP buttons and jog the machine through again Repeat process until rear of case aligns with rear of backplates 7 13 Testing the Size Adjustments After making all of the necessary size adjustments test the machine to check that they are correct Proceed as follows 1 Ensure that the magazine is loaded with cases that are all correctly oriented ri...

Page 80: ... machine should form the case successfully in a step by step manner If a problem should occur during any one of the above steps analyze the reason for the problem and adjust the machine accordingly If necessary refer to Section 9 3 Machine Sequence Troubleshooting for further assistance 8 When the machine successfully forms the case step by step in JOG mode press the AUTO MODE button to return to ...

Page 81: ...parameters Table 22 Dimension Adjustment Reference CASE IDENTIFICATION OR PRODUCT COUNT ADJUSTMENTS SECTION Refer to Section 7 Case Size Adjustments in the Operation and Service Manual Case Blank Length A 7 6 Bottom Flap Height M 7 7 Case Blank Height B 7 8 Jawplate Formed Case Width D1 7 9 Horizontal Pinblock Adjustments 7 9 1 Pinblock Mounting Orientation 7 9 2 Center Ski Formed Case Width D2 7 ...

Page 82: ...y to bypass the perimeter guarding system or enter the restrictive envelope while the machine is in operation An EMERGENCY STOP button is provided to immediately halt all machine operation by cutting off air supply and electrical power This button should be pushed IN to stop the machine in case of an emergency Precautions Do not use flammable or toxic fluids such as gasoline benzene or ether to cl...

Page 83: ...ctory but if adjustment is needed tighten idler sprocket Proper tension is achieved when the horizontal sag in the chain measures between 1 8 and with the drivebelts in a fully opened position The chain should be lubricated once every one hundred hours of operation using a chain spray lubricant If it becomes necessary to access the chain drive remove the stainless steel safety covers by unfastenin...

Page 84: ...t approximately 1 of play is available when the belt is pulled sideways by hand in the center of the machine There should be just enough tension to prevent the belts from slipping while the machine is in use See Section 8 5 3 6 When the correct tension and tracking are achieved tighten the clamp bolt that locks the position 8 2 4 Gear Reducer Worm gear reducers should be inspected regularly for ev...

Page 85: ...ent is contaminated will be greatly affected by the qualify of the incoming air If the air is wet and contaminated with lubricant the filter element will need more frequent replacement 8 3 2 Inspections On a daily basis the operators should inspect for 1 Leaks at Pneumatic system air supply Filter bottle drain 2 Loose fasteners 3 Inspect the belt condition tracking and tension 4 Irregular noise or...

Page 86: ...ad with silicone 8 3 4 Cleaning Tools and Materials Soapy water Rag or paper towel Filter replacements if necessary Instructions Inspect the machine daily and remove any corrugated fragment deposits that may have accumulated Regularly check the pneumatic filter bowl and filter for debris replace the filter at suitable intervals depending on the cleanliness level of the incoming air supply An auto ...

Page 87: ... knife on the Dekka Tape Head with solvent and lubricate the blade guard pad with WD 40 or a similar low toxicity product Every 3 Weeks Lubricate Uni Drive side belt drive chain and width adjustment roller chain with a chain spray lube Inspect electric motor for evidence of oil leakage noise or vibration Keep unit free of dirt Excess accumulation of dirt or grease will affect the proper cooling of...

Page 88: ...ted for bearing wear and pulley damage Remove any dirt build up before drivebelts are re installed Remove flap folders for servicing Remove covers and check for worn parts Check the tension of the Uni Drive side belt chain drive Inspect all pneumatic and electrical limit switches and verify that they are properly adjusted and in good working order Check for any loose or missing fasteners NOTE Prop...

Page 89: ... are adjustable to control the hardness of the impact forces generated A rotating collar on the shock absorber is used to make this adjustment Adjustable shock absorbers are adjusted after the desired speed of the mechanism has been set Refer to Section 8 5 1 Mechanism Speeds To set a shock absorber 1 Start from a soft setting 2 Gradually increase the hardness until the component comes to a smooth...

Page 90: ...The knob on the top of the regulator unit adjusts the pneumatic supply The supply regulator should be set to give a pressure of 90 PSI If the supply pressure regularly drops below 75 PSI while running a larger supply air line may be required 8 5 6 Proximity Sensors Two types of proximity sensors are used on the WF 10T case former inductive and infrared photo type The majority is of the inductive t...

Page 91: ... of the pulleys Adjust belt tension and tracking as shown in Section 8 5 3 Conveyor Belt Tension Tracking Observe the motor that drives the drivebelts for signs of oil leakage if serious leakage occurs replace the motor If everything appears to be operating normally switch the machine ON and observe carefully as it processes a case listening for signs of air leakage or other abnormal noises All me...

Page 92: ...s still powered An EMERGENCY STOP button is provided to immediately halt all machine operation by cutting off air supply and electrical power This button should be pushed IN to stop the machine in case of an emergency Precautions The WF 10T Case Former is equipped with safety interlocks Do not attempt to disable the interlocks when repairing the machine Do not use the EMERGENCY STOP button as the ...

Page 93: ...no mechanical problems are indicated and the air can be switched ON Now operate the appropriate solenoid valve manually If the mechanism moves normally when the valve is actuated manually then the pneumatic system is working and the problem is electrical in nature It may be that the solenoid coil on the valve has failed or it may be that there is a problem with the signal reaching the valve Contin...

Page 94: ...ure that pinblocks are mounted on jawplate without obstructing each other Case buckles or tears during injection Injector DOWN speed too fast Set for moderate injection speed Flap inner facing passes between pins jawplate pin sometimes catches the opposite wrong flap Pins too far from jawplate Check pins not bent out Check pinblocks installed with narrow gap to jawplate Case rises while moving int...

Page 95: ...to Section 6 2 Start up While in JOG mode step the machine through its operating sequence by pressing the START button briefly for each step Follow the sequential listing starting on the next page to investigate any problems that may occur Table 27 Machine Sequence Troubleshooting Step Sequence Problem Description Remedial Action Machine will not start Machine has sufficient power and air pressure...

Page 96: ...her away from conveyor assembly Case blanks are loaded with the glue lap towards the infeed end of the magazine Cases are loaded upside down Jawplates Pivot Case opens sideways from normal orientation Machine set up for wrong handed case blanks See Section 5 7 Minor flaps bent upwards beyond horizontal position by major flap folding action Conveyor Formed Case Width Dimension D3 set too narrow Adj...

Page 97: ...ou do not have the appropriate PLC interface or training contact WEXXAR s service department Without the appropriate equipment and training to correct this status there is nothing else that you can do Allow the air pressure to bleed off before attempting any adjustments or replacement of suspected faulty components WARNING THE ELECTRICAL CONTROL CABINET CONTAINS MULTIPLE VOLTAGES THE FOLLOWING WOR...

Page 98: ...re available for all cylinders except for the disposable type Replace solenoid valve or strip and clean the solenoid air pilot actuated valve assembly Erratic solenoid valve Varnish buildup in solenoid air pilot actuated assembly of solenoid valve Note Use only non abrasive non chlorinated solvents such as mineral spirits Table 29 Cylinders too slow WARNING PROCEED WITH EXTREME CAUTION STAY CLEAR ...

Page 99: ...r case closing performance Your corrugated case supplier can help make sure that the correct pressure is applied during case scoring for your case specification 3 Corrugated case weakness The case manufacturing process can damage the fluted construction of corrugated board Store flat cases in dry conditions and on a flat surface Be careful not to stack excessive weight on cases as crushing of the ...

Page 100: ...ase width by the following method 1 Adjust the belts inward until they lightly contact the case sides The case should still be able to slide through the side belts if pushed firmly 2 Remove the case and adjust the belts inward by another half turn 9 7 2 Crushed Band on Bottom of Case s Side Panels If the cases exit the machine with a band of crushed corrugation at the level of the conveyor belts i...

Page 101: ...gure 9 1 Lowering the Tape Head Bracket 9 7 6 Frequent Belt Breakage Belt service life will depend on the conditions of machine use but frequent breakage may be due to one or more of the following conditions Belt tracking Verify that the belt does not try to ride up or down on the pulleys See belt tensioning and tracking adjustment in Section 8 2 Service and Maintenance Procedures Belt Tension Bel...

Page 102: ...at the center ski is set in its correct position a for cases with small minor flap heights set the ski towards the infeed end of the conveyors b for cases with median minor flap heights set the ski near the middle of the adjustment slot c for cases with large minor flap heights set the ski towards the discharge end of the machine 9 8 3 Bottom Major Flaps Bind On Center Ski Verify that excessive la...

Page 103: ... may be set too low Check to ensure that the tape head bracket has not been set too low Positioning is normally factory pre set Adjustments may have to be made on a trial and error basis until optimum setting has been obtained If the tape head is mounted too low slide the tape head out and remove it from the bracket Then use a wrench to loosen the bolts that secure the discharge end of the tape he...

Page 104: ...ing poor tape adhesion that can result in tape detachment during shipping and handling See comments on flaps under Section 9 6 Corrugated Case Quality Troubleshooting Tape head roller contact Verify that the tape head contact or wipe down rollers are making good contact with the case and that the roller spring tension is correct Dust or dirt Large amounts of dust or dirt accumulating on cases or i...

Page 105: ...may stick to the blade Clean knife Clean the blade and apply a little silicon or oil to avoid adhesive build up on the sharp points Knife blade wear or damage Blades must be very sharp to work well The points are easily damaged if contacted by any hard material Replace the blade if it seems dull Cut off spring tension Verify that the spring that provides power to the cut off arm has enough tension...

Page 106: ... breeze in the vicinity of the tape sealer can cause the tape to blow down High temperature or humidity may affect tape characteristics Type of tape Some brands and types of tape have more body than others and a change of tape may be needed particularly in difficult ambient conditions 9 10 Repair Procedures The operating time before significant wear will occur with WEXXAR packaging machines depend...

Page 107: ...rement of 25 between the marks 1 percent stretch 5 Run the belts to ensure correct tracking If necessary tighten the tensioning screw on the side that the belt moves towards 9 10 3 Drivebelt Bearings Repairs All drivebelts run on sealed ball bearings which are lubricated for life Should bearing failure occur the entire bearing and housing should be replaced 9 10 4 Gearmotor Repairs Should failure ...

Page 108: ...nd operating controls Controls PLC operated sequence and timing control Power Requirement 120V AC 1 phase 60Hz other voltages available Speed Approximately 10 Cases Per Minute depending on case size and quality Air Requirement 6 SCFM Tape System DEKKA Model WX 22 tape applicator head Other makes optional Approx Weight 1 800 lbs 820 kg Case Styles RSC Regular Slotted Case HSC Half Slotted Case othe...

Page 109: ...Checklists Table Performance Checklist Section 5 Preliminary Start up Checklist 6 2 1 7 Machine Start up Procedures 6 2 2 8 Machine Loading Checklist 6 3 3 9 Clearing Jams 6 4 10 Machine Shutdown 6 5 12 Dimension A Adjustments 7 6 13 Dimension M Adjustments 7 7 14 Dimension B Adjustments 7 8 15 Dimension D1 Adjustments 7 9 16 Horizontal Pinblock Adjustment 7 9 1 17 Pinblock Mounting Orientation 7 ...

Page 110: ... you are to perform and the standards you must demonstrate to successfully complete the performance assessment 5 Record the start and stop times 6 Check each block of the performance checklist as the trainee satisfactorily performs the step 7 Stop the trainee any time that a step is scored as unsatisfactory and at the end the evaluation 8 Sign and date beside each checklist as it is completed 9 Ha...

Page 111: ...t against failure or defective workmanship Components purchased from other manufacturers by WEXXAR are warranted for the duration of the manufacturer s warranty This warranty does not extend to parts that may presumably be expected to wear out during the warranty period Damage caused by misuse improper maintenance negligence or accident shall void the warranty on the equipment The warranty provide...

Page 112: ...d the machine will shutdown on a No Tape Applied logic test The Red beacon illuminates until the machine is RESET or RESTARTED Note that the illuminated Red beacon can also indicate other machine fault conditions 2 Tape Running Monitor If tape is not cut at the end of the case and the discharged case continues to pull tape off the roll the pulsating signals continue longer than programmed and the ...

Page 113: ...Injection 4 19 Case Opening 4 19 Case Orientation 5 32 5 35 Case Quality 9 87 Case Sealing 4 20 Case Separation 4 18 Case Separator 3 14 Case Size Range 7 53 Case Supply 4 18 Center Ski 7 64 Center Ski Case Width 7 64 Chain Drive 8 71 Chain Lock 7 55 7 56 Cleaning 8 73 8 74 Clearing Jams 6 47 Component Identification 3 10 Components 3 14 Electrical 3 14 3 16 Pneumatic 3 14 Compressed Air 1 3 2 8 C...

Page 114: ...ventative 8 75 Routine Operator 8 74 Maintenance Adjustments 8 77 Manual Shut off Valve 3 15 Material Safety Data Sheets MSDS Fuchs Lubricants Geralyn FMG 387 104 Keystone Lubricants Nevastane HT 2 112 Mechanical Maintenance 8 79 Minor Flap Folders 4 19 Monitoring 6 44 Motor 3 15 Moving Components 8 79 O Operating Procedures 6 40 Optical Proximity Sensors 3 15 Options 13 100 P Parameters 10 96 Par...

Page 115: ... 8 77 Shutdown 6 48 Side Belt Replacement 8 72 Side Belt Drive 8 71 Side Belt Conveyor 3 14 Solenoid 3 16 9 94 Solenoid Valve Bank 4 22 Specifications 10 96 Speed 8 77 Start up 6 41 Start up Procedures 6 42 Switches Disconnect 5 23 6 48 Interlock 4 22 Synchronization Bar 7 58 T Tape Tape Head 3 16 8 79 9 92 Tape Applicator 9 92 Troubleshooting 9 92 Tape Heads Installation 2 9 Touchscreen 5 24 Trai...

Page 116: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 104 APPENDIX A Material Safety Data Sheets Fuchs Lubricants Geralyn FMG 387 ...

Page 117: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 105 FUCHS LUBRICANTS CANADA LTD PACIFIC DIVISION Material Safety Data Sheet WHMIS Not controlled ...

Page 118: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 106 ...

Page 119: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 107 ...

Page 120: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 108 ...

Page 121: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 109 ...

Page 122: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 110 ...

Page 123: ...WF30T Case Former Appendix A MSDS Geralyn FMG 387 111 ...

Page 124: ...WF 10T Case Former Appendix B Keystone Nevastane HT 2 112 APPENDIX B Material Safety Data Sheets Keystone Lubricants Nevastane HT 2 ...

Page 125: ...WF 10T Case Former Appendix B Keystone Nevastane HT 2 113 ...

Page 126: ...WF 10T Case Former Appendix B Keystone Nevastane HT 2 114 ...

Page 127: ...WF 10T Case Former Appendix B Keystone Nevastane HT 2 115 ...

Page 128: ...WF 10T Case Former Appendix B Keystone Nevastane HT 2 116 ...

Page 129: ...WF 10T Case Former Appendix B Keystone Nevastane HT 2 117 ...

Page 130: ...ation Service Manual 65 06 11 Effective May 17 2007 Replaces 65 06 10 March 2 2007 BEL 252 V 02 FullyAutomaticTopandBottomUniformCaseTapeSealer Wexxar Packaging Inc Phone 604 270 0811 Fax 604 270 7897 E mail sales wexxar com ...

Page 131: ...ectric before undertaking any maintenance or service procedures Qualified personnel only must operate the machine 2 2 5 DEKKA Standard Specifications Length Width Height Case Size Range Minimum 8 203mm 6 153mm 4 5 114mm Maximum 22 559mm 15 381mm 16 406mm Machine Dimensions 58 1473mm 33 838mm 53 3 1353mm In Outfeed Height Frame 22 559mm With adjustable leg extensions foot pad Minimum Maximum 23 5 5...

Page 132: ..._______________________________11 Compressed Air___________________________________________________________11 Electrical Switching _______________________________________________________11 Feeding Cases ____________________________________________________________11 Automatic Stop Gate Option _______________________________________________11 Service and Maintenance Procedures_______________________...

Page 133: ...ations ___________________________19 Section 2 Case Drive Belt System ___________________________________________20 Section 3 Top Flap Folding ________________________________________________21 Section 4 General Taping Conditions________________________________________24 Section 5 Case Infeed and Indexing _________________________________________26 Optional Equipment ______________________________...

Page 134: ... gauge power extension cord with standard three pin connection must be used to connect the machine to the power source A dedicated electrical circuit is recommended for this machine If any electrical connections are needed to install the machine an electrician qualified in your jurisdiction should provide them Compressed Air The BEL 252 requires an air supply that must be clean and dry not less th...

Page 135: ...e box 2 Snap Folder case width adjustment D made by loosening the locking handles above each folder unit and pulling or pushing a folder from the side of the machine A self centering mechanism moves both folders together 3 Conveyor case width adjustment D made with side hand crank to move side belt conveyors in and out to fit the width of the box D 120 093 D E Snap Folders TOP FLAP FOLDERS Bottom ...

Page 136: ...d drive belts are adjusted independently for the width of the case 1 Case Height Adjustment Case Dimension E Adjustment Adjust the side drive belts out until the box can be placed between them and raise the height adjustment if necessary until the case will fit under the center ski with the top flaps folded Adjust the height down until the top surface of the aluminum guide bar under the Snap Folde...

Page 137: ...se sides Remove the box through the infeed and wind the belts in by a further one half turn or until the box just slides easily between the infeed guides Note Depending on case fill case weight and box variation it may be necessary to make minor adjustments to the settings for best performance If the infeed guide skis are adjusted to be 3 16 1 4 5mm 6mm wider than the face of the conveyor belts an...

Page 138: ... adjustment which usually is a function of box width with RSC cases When running boxes that are close to the machines minimum and maximum width limits or boxes with different flap lengths i e flap cut boxes it may be necessary to adjust the position of the ski to ensure control of the minor flaps To run most case widths close to the machine s average width capabilities the ski should be set at the...

Page 139: ...TO position the snap folder will cycle each time a case passes into the machine to automatically fold down the top flaps In the MANUAL position the Snap Folder will actuate and remain with the folders in the extended position so that the machine may be used in semi automatic mode with the top flaps folded down by hand Snap Folder mode switch In the Manual position the folders will extend and remai...

Page 140: ...ff position air pressure in the machine circuit is exhausted Electrical Switching BEL machines are fitted with magnetic starter switches for added safety protection from accidental start up in the event of a power outage or disconnection The switch is located at the center of the frame arch for easy access from either side of the machine To start the BEL 252 press the green start button on the swi...

Page 141: ...s Uni Drive Side Belt Drive System Figure 2 Side belt conveyor with covers removed point A Serpentine chain drive DRIVE CHAIN IDLER SPROCKET Loosen mounting bolt point D underneath drive housing next to gear speed reducer and pull to tension Belt Tensioning and Tracking Adjustment Nuts point B Belt Tension Alignment Locking Bolt point C ...

Page 142: ...The optional BEL 252 Spare Parts Maintenance Kit 70 011 contains all of the parts necessary for maintaining the Uni Drive system Contact the factory or your local Belcor Distributor for price and availability Gear Reducer Worm gear reducers should be inspected regularly for evidence of oil leakage excessive noise or vibration to ensure maximum performance and life Oil Leakage Check housing bolts a...

Page 143: ...equired to service the Snap Folder are contained in the standard spare parts maintenance kit available under part number 70 011 After checking for wear and replacing any worn parts it may be necessary to reset the flow control located outside the rear end of each folder The purpose of this flow control is to regulate the speed of the minor folder hook so that it employs a following action to fold ...

Page 144: ... the top of the case being sealed the upper tape head holder on the BEL 150 the Snap Folders on the BEL 200 and both the tape head holder and Snap Folders on the BEL 252 models It mounts to the arch assembly with vertical slide bar bearings that ride inside the arch columns allowing the cross member to move smoothly up and down for case height adjustment The bearings are made of a special hard wea...

Page 145: ...B E L 2 5 2 F u l l y A u t o m a t i c U n i f o r m C a s e T a p e S e a l e r 16 65 06 11 5 18 2007 Fig 2 Vertical Slider Bearing Assembly Fig 3 Slider Bearing Adjustment ...

Page 146: ...gh so the slider bar bearings are free to be adjusted 4 Place a screwdriver through an adjusting hole and use it to lever a slider bar bearing tighter against the column channel flange While holding the pressure with the screw driver tighten the two securing bolts through each bearing Repeat this procedure for the other three bearings and try to equalize the amount of adjustment between all four 5...

Page 147: ...n and keep unit free of dirt excess accumulation of dirt or grease will affect the proper cooling of the units 3 M O N T H L Y 480 Hrs Lubricate width and height adjustment lead screws with a Synthetic Teflon Grease Loctite Super Lube Remove drive belts Drive and Idle Pulleys should be inspected for bearing wear and pulley damage Remove any dirt build up before drive belts are re installed Refer t...

Page 148: ...re pressure is used for your case specification Corrugated case weakness The box manufacturing process can damage the fluted construction of corrugated board Points to watch for 1 Overall crushing of the corrugated flutes causing the box to have a soft and limp feeling This condition results in poor machine handling and may not give your product the required protection 2 Selective bands of crushin...

Page 149: ... round can or bottle products check that belts are set to grip lightly but firmly on case sides Excessive side pressure can cause round objects to roll over center and push the case out of square Problem Depressed or Crushed Band on Lower Case If the cases exit the machine with a band of crushed corrugation at the level of the conveyor belts it is likely that the case is gripped too tightly in the...

Page 150: ...d debris Check for jam causes Top tape head is adjusted too low Product is overfilled or inconsistent causing intermittent jams Top flaps are not folding correctly flaps then hit top ski or tape head mechanism Section 3 Top Flap Folding All BEL Machines that automatically fold the top flaps of cases use the unique and patented Snap Folder system The function of the Snap Folders is to integrate the...

Page 151: ... minor flap may be prevented from folding on its score line To remedy improve fill of case or reduce case dimensions Pre folding rear minor can also help if it is practical to pre fold before case enters machine Problem Minor Flap Does Not Fold at All Check that Snap Folder module is operating see manual Be sure that box is tripping Snap Folder switch on infeed Check that air to machine is turned ...

Page 152: ... Overlap Combination Check that case dimensions are square Check plastic shoulder support guides on Snap Folders Check that tape unwind tension is not excessive This can cause the major flaps to be pulled back causing rear gap Problem Top Major Flaps Fold Down but Leading Edge is Lifted up by Tape and Folded Back Tape head may be set too high Readjust machine to correct box height Check to ensure ...

Page 153: ...ulations for good initial bond and permanent sealing performance Tape adhesive Check presence and quality of tape adhesive Problem Tape is not cut uniformly The tape is not cut properly every time in the worst situations several boxes may be taped together Check the following conditions Tape head position If the top tape head is set too high the cut off knife will not be fully activated resulting ...

Page 154: ...ide Obstructions Look for obstructions that could be pushing the tape off center Problem Tape Falls Forward on Bottom Head The beginning end of the tape must stand vertically in front of the tape head front roller in order to contact the leading end of the next case A bow made across the tape by the tape head guides help to stiffen it and a static electric charge on the tape head rollers attract t...

Page 155: ...ine height and centering Trouble Shooting Case Infeed Separation Indexing Case indexing provides a gating function which ensures that cases enter automatic sealing machines in a timed manner to prevent jams due to more than one case being in process at one time This option is normally used when an accumulation or back log of cases are expected on the infeed conveyor When cases are hand packed it i...

Page 156: ... Leg Extenders with U H M W Castor Pads 70 003 Stainless Steel Adjustable Leg Extenders with Castor Wheels 70 004 Internal in frame Indexing Stop Gate External to frame Indexing Stop Gate Active Overfill Compression System 70 032 Infeed Outfeed Table 70 046 Stainless Steel Width Adjusting Screws 70 083 Powered Infeed and Outfeed Conveyors various 70 090 095 ...

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