background image

 

65-07-6

 

3/6/2007

 

 

O

PERATION 

& S

ERVICE 

M

ANUAL

 

 

65-07-6

 

 

BEL 270 V.02 

 

F

ULLY 

A

UTOMATIC

 

H

OT 

M

ELT 

G

LUE 

C

ASE 

S

EALER

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Wexxar Packaging Inc

 

Phone (604) 270-0811 • Fax (604) 270-7897 

E-mail: [email protected] 

Summary of Contents for BEL 270 V.02

Page 1: ...65 07 6 3 6 2007 OPERATION SERVICE MANUAL 65 07 6 BEL 270 V 02 FULLY AUTOMATIC HOT MELT GLUE CASE SEALER Wexxar Packaging Inc Phone 604 270 0811 Fax 604 270 7897 E mail sales wexxar com ...

Page 2: ... press may cycle once Be sure all personnel are clear of the machine when starting If the machine is running activating the left hand limit switch at the infeed entrance will cause the Snap Folders to cycle and the right hand limit switch at the entrance will cause the indexing stop gate to operate When the machine is running activation of the limit switches mounted on the side belt conveyor cover...

Page 3: ...Hot Melt Glue Unit 7 Adjusting the Glue Pattern Control 7 OPERATING THE MACHINE 9 Starting the Machine 9 Feeding Cases to the Machine 10 Automatic Stop Gate 10 SERVICE AND MAINTENANCE PROCEDURES 11 Uni Drive Side Belt Drive System 11 Chain Drive Maintenance 11 Gear Reducer Maintenance 12 Side Belt System 13 Snap Folder Adjustment 14 TROUBLE SHOOTING GUIDE 15 Section 1 Corrugated Case Quality Speci...

Page 4: ...OWER The standard BEL 270 is equipped with a single phase 220V AC power supply to NEMA 12 specifications A 1 2 HP TEFC motor drawing 8A powers the drive system Other voltages and three phase power options may be supplied by special order A dedicated electrical circuit is recommended for this machine If any electrical connections are required to install this machine they MUST be handled by an elect...

Page 5: ...p hand wheel to move the machine head assembly up and down for proper operation of the Snap Folders and place the center ski is close to the top of the box Refer to 1 4 2 3 Center ski adjustment use the lock handle on top of the ski to adjust it toward or away from the machine in feed depending on the case flap length Refer to 1 4 3 4 Folder Snap Folder Dwell Timer Control Controls Enclosure contr...

Page 6: ...l position for the box width ADJUSTING FOR BOX HEIGHT Using the handwheel shown in the photo below wind the center ski downwards until it is above the folded minor flaps by 1 8 The Snap Folders will now be positioned at the correct height for flap folding NOTE Depending on case fill weight and dimensions it may be necessary to make minor adjustments to the settings for the best performance Center ...

Page 7: ...minimum width the ski should be adjusted forward toward the in feed This will ensure the rear minor flap does not spring open before it reaches the ski For boxes that are close to the maximum width the ski should be adjusted in the opposite direction so the ski does not interfere with the rear minor flap as the Snap Folders fold it To run the broader spectrum of box widths that are closer to the m...

Page 8: ...B E L 2 7 0 F U L L Y A U T O M A T I C H O T M E L T G L U E C A S E S E A L E R 8 65 07 6 3 6 2007 ...

Page 9: ...tive or on for automatic operation The Start Stop switch control station is on the center of the arch for easy access from either side of the machine To start the machine press the green Start button on the switch control station Use the red Stop button to stop the machine Use the lighted switches on the control enclosure to turn On or Off the glue application or to control the compression press r...

Page 10: ...ing gate is mounted inside the machine frame and operates in a normally down or open position so that the first case in a sequence moves directly into the machine The logic can be changed so that the gate is normally up or closed which aids in squaring the case if necessary before it enters the drive belts The timing of the gate is controlled by a timer in the main controls enclosure Stop gate act...

Page 11: ...is needed only adjust the Chain Tensioning Sprocket Proper tension is achieved when the horizontal sag in the chain measures between 1 8 and 1 4 with drive belts in a fully opened maximum width position The chain should be lubricated with a spray type Moly chain lubricant once every 100 hrs of operation Lift the flexible bellows cover and spray the chain through the slot in the stainless steel saf...

Page 12: ...ar reducers and gear motors should be inspected regularly for evidence of oil leakage noise or vibration to ensure maximum performance and service life Check for the following OIL LEAKAGE Check oil fill and level plugs and housing bolts tighten if necessary replace oil seals if required OIL TEMPERATURE Check reducer for higher temperatures than normally encountered and that are not caused by a ris...

Page 13: ... be removed from the pulleys 4 Fit the new belt 5 Reset the belt tension using the upper and lower adjusting nuts Alternate tensioning of the nuts to position the belt so that it is running true and not trying to ride up or down on the pulley The tension on the belt should be just enough to keep the belt from slipping or so that approximately one inch of play is available when the belt is pulled s...

Page 14: ...arts it may be necessary to reset the Snap Folder Exhaust Flow Valve seen below located outside the housing at the rear end of each module 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 down the rear minor flap This should be set to operate as quickly as possible without striking the case flaps prematurely and damagi...

Page 15: ...ous factors in the corrugated box manufacturing process Points to watch for a that the flutes have not been crushed overall causing the box to have a soft and limp feeling This causes poor case rigidity during machining and also does not give your product the protection it deserves b selective bands of crushing usually parallel to the box flutes that can cause failure lines down the box and result...

Page 16: ...n the drive pulley In the case of round cans or bottle type 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 distort the off square Depressed Crushed Band on Lower Case Check for excessive side belt pressure Rubber Dust Being Shed by Belt Check that conveyor width adjustment is set so that boxes are g...

Page 17: ...ch of slack at center point of conveyor belt Check to ensure idler and drive pulleys rotate freely Check to ensure idler pulley has camber set for correct belt tracking Machine Jams Frequently Turn off machine as soon as jam occurs and prior to clearing jam Open Belts and raise head remove jammed case and debris Check for jam causes 1 Belts set too tight causing machine overloading 2 Product is ov...

Page 18: ...ssure and or volume can result in poor flap closing performance Check operating speed of Snap Folders If speed is set too low the rear minor flap folders will not be activated quickly enough to fold the rear minor flap or rear flap may spring open as box emerges from under the minor folders Consult Snap Folder maintenance section for procedure on adjusting flow control speed regulators Check that ...

Page 19: ...nsions Pre folding of the rear minor flap can also help if it is practical to pre fold before the case enters the machine Top Major Flaps Bind On Center Ski Check that excessive side pressure has not been put on box causing flaps to bind on vertical side of ski Check that top ski or glue head are not misaligned and are centered between the belts and the Snap Folders Top Major Flaps Have a Gap in C...

Page 20: ...ases a limit switch the gate raises and prevents another case from entering the machine for the period set on the stop gate timer If the squareness of cases entering the machine is a problem the logic can be changed to have all cases including the first stop before entering the machine Although less efficient it provides some assistance in case squaring when the moving case strikes the gate Contac...

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