Carpenter MFG. Co., Inc. Compu-Strip 75 Operator'S Manual Download Page 9

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Carpenter Model 75 Compu-Strip®

Carpenter Model 75 Compu

Strip

•

Phone

: (315) 682-

9176 •

Fax

: (315) 682-9160

Website

: www.carpentermfg.com •

Email

: [email protected]

Revised June 10

, 2019

Page 9

Guide Bushing Storage

Built-in storage for up to 10 guide bushings

Safety Guard

Lexan (removable)

Safety Interlock

Electrical interlock on safety guard

Display Type

240 x 128 graphic LCD, CCFL backlight

Keypad Type

Proprietary membrane/mechanical switch with

tactile feedback

Cycle Actuation

Push-button switch (connector for footswitch

also included)

Cooling

Convection

Electrical Requirements

– 265 VAC, 47 – 63 Hz, 3 AMP max

Main Fuse Type

5x20mm, 4.0 AMP type (2 required)

Dimensions

8.5” x 16.2” x 12.0” (W x L x H)

Weight

35 lbs. (15.9 kg.)

Summary of Contents for Compu-Strip 75

Page 1: ...Operator s Manual Model 75 Compu Strip Production Wire Processing Equipment Website www carpentermfg com Email wire carpentermfg com ...

Page 2: ...stments 17 3 1 Safety Guard Installation and Removal 17 3 2 Debris Tray Installation and Removal 18 3 3 Wire Guide Bushing Installation and Removal 20 3 4 Cutter Blade Replacement 22 3 5 Gripper Blade Replacement 25 3 6 Cable Centering Adjustments 26 3 6 1 General Information 26 3 6 2 Determining the Adjustment Direction 29 3 6 3 Performing the Centering Adjustments 30 3 6 4 Notes Concerning Cable...

Page 3: ... Function Programming Gripper Blades Only Strip Mode 48 4 3 3 3 Special Function Programming Cable Hold Mode 49 4 4 Menu Mode The Key 50 4 4 1 Process Options 51 4 4 2 Blade Change 53 4 4 3 Password Setup 54 4 4 4 Reserved 55 4 5 Memory Mode The Key 55 4 5 1 Memory RECALL Mode 56 4 5 2 Memory STORE Mode 57 4 5 3 Memory ERASE Mode 59 4 5 4 Memory LIST Mode 60 4 6 Batch Mode The Key 61 4 6 1 Normal ...

Page 4: ...arpentermfg com or contact us via email wire carpentermfg com The Model 75 is a fully programmable wire and coaxial cable stripper that is designed to strip a wide range of wire and cables as referenced on the following pages A great amount of work has gone into the development of the Model 75 in order to offer a product that is universally applicable to stripping the many varied types of cables w...

Page 5: ...ods at our warehouse If concealed damage is discovered after unpacking this shipment you must submit a damaged freight claim with the carrier Carpenter Mfg Co Inc cannot submit your claim for you In order for you to collect for concealed damage the carrier must be notified with 5 days of the date you receive this shipment You must leave the damaged items and packing material as is i e return all m...

Page 6: ... equipment comes equipped with a LEXAN safety guard containing a safety interlock switch The machine will not operate unless the guard is in the closed position IMPORTANT Do not attempt to defeat the function or purpose of the safety interlock switch Serious injury to the operator s eyes fingers or other body parts may result from attempts to operate this equipment with the safety guard in the rai...

Page 7: ...com Revised June 10th 2019 Page 7 Machine Contents Each Carpenter Model 75 Compu Strip comes complete with the following Quantity Part Number Description 1 4905 60 Piece Guide Bushing Set 1 8019 Power Cord 1 2934 3 32 Hex Wrench 1 1620 5 64 Hex Wrench PN 4905 60 Piece Guide Bushing Set PN 8019 Power Cord PN 1620 5 64 Hex Wrench PN 2934 3 32 Hex Wrench ...

Page 8: ...ing confusion by eliminating paging through multiple display screens during setup Up to five 5 separate strip steps may be programmed accommodating both coaxial and triaxial type cables All required strip parameters are programmable including strip length pull length cut diameter cutter blade step back cut dwell time etc The unit can be programmed in inches or millimeters Up to 999 programs may be...

Page 9: ...ety Guard Lexan removable Safety Interlock Electrical interlock on safety guard Display Type 240 x 128 graphic LCD CCFL backlight Keypad Type Proprietary membrane mechanical switch with tactile feedback Cycle Actuation Push button switch connector for footswitch also included Cooling Convection Electrical Requirements 85 265 VAC 47 63 Hz 3 AMP max Main Fuse Type 5x20mm 4 0 AMP type 2 required Dime...

Page 10: ...ting blade stripper works is desirable This section will look at the theory behind the exclusive orbiting blade technology Orbiting Blade Technology An orbiting blade wire stripper uses a uniquely designed cutter blade consisting of a steel or carbide plate with a hole sharpened to a knife edge See Figure 1 1 below Figure 1 1 Typical Orbiting Cutter Blade To cut the layer s of a wire or a cable th...

Page 11: ...n orbiting blade stripper over a rotary stripper is greater blade life Another advantage of an orbiting blade stripper over a typical rotary stripper is the square cut that is produced The blade of the orbiting cutter is moved at an exact right angle to the axis of the cable providing a perfectly square cut In most rotary machines the blades move toward the axis of the wire on an arc which has the...

Page 12: ...draw amount typically referred to as stepback or wayback Just program the cut diameter that the cutter blade should cut to CUT parameter and separately program the diameter the gripper blades should close to remove the slug PULL parameter under the diameter data section Another characteristic of an orbiting blade stripper that is worth noting is the fact that the cutter blade cuts in an offset man...

Page 13: ...ity It is important to use a wire guide bushing that is correctly sized for the cable being processed The optimum wire guide bushing size is typically 0 003 0 005 larger than the average measured cable outer diameter depending on the cable characteristics It is possible to obtain satisfactory stripping results with considerably more clearance than this due to the fact the cable is always offset th...

Page 14: ...ry module on the back of the unit 9 It is strongly suggested that the box and packing materials be retained for use if the unit should have to be returned to the factory for repairs or shipped to another location 10 Please read this operator s manual thoroughly before applying power to the unit 2 2 Shipping the Unit If it is necessary to ship the unit to another location please follow these instru...

Page 15: ... calibration mode 7 After completion of the self calibration mode the unit will enter run mode and the LCD display will show the currently programmed setup This is the run screen See Figure 2 1 below 8 To process cables with the currently displayed setup proceed to 2 4 Pre Processing Checks 9 To edit the current setup or perform other programming operations please see Section 4 Programming the Mod...

Page 16: ...age 16 3 Be sure that the process options settings are correct See 4 4 1 Process Options 4 The correct size wire guide bushing should be installed in machine See 3 3 Wire Guide Bushing Installation and Removal 5 The Lexan safety guard should be installed on machine See 3 1 Safety Guard Installation and Removal Note The unit will not cycle without the Lexan safety guard installed ...

Page 17: ...essing can begin To install the safety guard refer to Figure 3 1 and the following steps Figure 3 1 Installing the Safety Guard Rear 1 Insert the rear wide end of the safety guard into the slot beneath the Model 75 front panel Note that the bend in the front narrow end of the guard should be pointing down See Figure 3 1 above 2 Insert the front narrow end of the safety guard into the slot below th...

Page 18: ...ling the Safety Guard Front 3 2 Debris Tray Installation and Removal The Model 75 contains a removable debris tray Follow the steps below to install or remove the tray 1 The Model 75 debris tray has formed fingers on its left end that hook on the bottom inside left edge of the front carriage cover See Figure 3 3 below Figure 3 3 Debris Tray Retaining Fingers Insert safety guard here Tighten thumbs...

Page 19: ...underneath the cutter assembly and hook the debris tray retaining fingers on the lower inside left edge of the front carriage cover assembly See Figure 3 4 below Figure 3 4 Debris Tray Installation 3 Align the slot in the debris tray retaining tab with the tapped hole on the front right side of the carriage cover and install the 6 32 thumb screw and tighten securely See Figure 3 5 below 4 Reverse ...

Page 20: ...y to prevent a buildup of strip debris around the cutter drive plates and front carriage cover etc Any damage to the unit that is determined to be a result of failure to keep the debris tray emptied is not covered under the machine warranty 3 3 Wire Guide Bushing Installation and Removal The Model 75 uses easily interchangeable aluminum guide bushings to center and support the cable throughout the...

Page 21: ...k Securely tighten the thumb screw against the bushing See Figure 3 7 below 3 Replace the Lexan safety cover 4 Be sure to enter the wire guide size that is marked on its face into the GUIDE data field See 5 in 4 3 1 The Edit Screen Data Fields 5 To remove the wire guide bushing reverse steps 1 3 above Note If the longest programmed strip length is less than 0 500 12 7mm it may be difficult to chan...

Page 22: ...ing To replace the Model 75 cutter blade proceed as follows Refer to Figure 3 8 for parts identification 1 Make sure the Model 75 is powered up and in run mode 2 Select 2 BLADE CHANGE from the Model 75 configuration menu See 4 4 Menu Mode The Menu Key and 4 4 1 Process Options for more information 3 Remove the Lexan safety guard from the Model 75 See 3 1 Safety Guard Installation and Removal 4 Rem...

Page 23: ...ed June 10th 2019 Page 23 Figure 3 8 Blade Change Parts Identification 8 Referring to Figure 3 9 below slide the guide bushing block to the right until the top guide rod is clear of the bronze bearing on the left side Figure 3 9 Slide the Guide Bushing Block to the Right X Adjusting Screw Set Screw X Locking Screw Guide Rod Cutter Blade Retaining Screw 1 of 2 ...

Page 24: ...h 2019 Page 24 9 Rotate the entire assembly downward and slide it to the leftmost possible position revealing the cutter blade See Figure 3 10 below Figure 3 10 Move Guide Bushing Block Out of the Way 10 Referring to Figure 3 11 below remove the two 4 40 cap screws that retain the blade and gently remove the blade from the two locating pins Rotate Down and Slide to Left ...

Page 25: ...the value in the CURRENT BLADE DIAMETER data field If the values do not match enter the blade size marked on the new blade or the blade packaging into the CURRENT BLADE DIAMETER data field using the number keys 14 Be sure that the X locking screw is tight before proceeding to process cables 15 When all of the steps above have been completed and the Lexan safety guard is installed on the Model 75 p...

Page 26: ...the cutter blade removed revealing the gripper blades and mounting screws Figure 3 12 Model 75 Gripper Blade Replacement 3 Remove the 8 32 screw that retains each of the gripper blades and carefully remove the blades from the slotted holders 4 Install the new pair of gripper blades making sure the flat side of the blade is facing the front of the machine as shown in Figure 3 12 Note The gripper bl...

Page 27: ...the components used to adjust the guide bushing centering Figure 3 13 Cable Centering Adjustment Components The cable centering adjustment is preset at the factory and modifications of this adjustment are seldom necessary There may however be times when it is desirable to slightly adjust the cable centering adjustment in the field for optimum stripping results Figure 3 14 shows two stripped ends o...

Page 28: ...raid the blade cut too deeply into the dielectric Further examination reveals that the braid at the jacket cut is nicked on the same side that the dielectric is cut too deeply Opposite the nicked braid there is an excess amount of jacket that was torn during the slug pull off See Figure 3 15 below Figure 3 15 Poorly Aligned Strip Figure 3 16 below shows the same strip performed on a correctly cent...

Page 29: ...lity and in particular poor concentricity If the cable layers are not concentrically constructed it will be very difficult to obtain a perfect strip on each layer This poor concentricity may also lead an operator to believe the Model 75 cable centering is not aligned correctly when in fact the cable is to blame 3 6 2 Determining the Adjustment Direction To determine the direction in which the wire...

Page 30: ...s centered nicely in the Y direction but is off a considerable amount in the X direction As indicated in the drawing the X adjustment screw should be turned in the counter clockwise CCW direction to correct this situation Figure 3 17 Determining Center Adjust Direction 6 It is important to note that in the above example adjustment was required in only one direction There may be occasions when chan...

Page 31: ... finger pressure against the guide bushing block assembly in the direction of the X adjusting screw The assembly is spring loaded in this direction However applying additional pressure will ensure that the guide bushing assembly correctly follows the X adjustment screw 7 Strip a piece of cable to see if the desired centering adjustment has been achieved 8 If further adjustment is required repeat s...

Page 32: ...nce The Model 75 was designed to require a minimum amount of maintenance It is recommended that the following maintenance procedures be performed 1 Empty the debris tray regularly during processing 2 Check the condition of the orbit rod seal brushes located behind the cutter blade for signs of wear or missing damaged bristles Replace as necessary 3 Check the condition of the cutter blade With the ...

Page 33: ... 4902 Cutter blade high speed steel with TiN coating 4903 Orbit rod brush seals sold in pairs 4904 Lexan safety guard 3 8 Guide Bushing Information 3 8 1 Stainless Steel Guide Bushing Sets Complete stainless steel guide bushing sets are available from Carpenter Mfg Co Inc in a variety of configurations All sets are supplied in a quality stainless steel storage tray with a hinged polycarbonate cove...

Page 34: ...40 x 128 LCD display and efficiently designed keypad combine to make a state of the art graphical user interface GUI This section introduces the Model 75 graphical user interface and outlines the programmable functions available on the Model 75 This section also offers detailed information on each function s use and individual programming considerations 4 1 The Model 75 Graphical User Interface Fi...

Page 35: ...ctions of the keys contained on the Model 75 GUI keypad Table 4 2 1 below lists all of the keys found on the Model 75 keypad in the left column and briefly lists their corresponding function in the right column Refer to the individual section on each key with an asterisk next to it for additional information on that keys function Each key s location on the keypad can be found by referencing Figure...

Page 36: ...re 4 2 below shows a picture of the edit screen that is displayed when in edit mode All of the data required to program a complete cable end strip is entered and edited on this display This is known as single screen programming To enter edit mode press the key The display will show the edit screen and a blue box will highlight the first data location Length Strip Step 1 This blue box is referred t...

Page 37: ...ne move function b PULL The distance that the severed slug of insulation is pulled from the corresponding STRIP distance If this value is equal to or greater than the STRIP distance the slug will be pulled off completely known as a full strip If it is less than the STRIP distance it is considered a partial strip The maximum value that can be entered is the corresponding STRIP distance plus 0 050 1...

Page 38: ... value can usually be set to 3 or 4 For the center conductor and braid cuts this value is usually set to 1 or 2 depending on the cable diameter shield density and material etc Some experience is required to fully understand the effects the feed rate has on the strip operation c DWELL Blade Dwell Time This is the amount of time in seconds that the blade will dwell and continue to orbit the cable af...

Page 39: ...iting blade is severing the cable This can be an aid when working with thin layered extra flexible and other difficult to strip cables This feature can be alternately turned ON or OFF by pressing the key while this data field is highlighted during editing of any given strip step When this feature is turned OFF for a given step the data field for the step displays a series of dashes See 4 3 3 3 Cab...

Page 40: ...elected number of steps Figure 4 3 Model 75 Stop Selection Screen To select a different number of strip steps point the blue arrow to the desired selection by moving it using the or keys When finished press The display will return to the edit screen and will be reconfigured for the new number of steps selected 4 The UNITS field allows the operator to set the programming units in inches displayed a...

Page 41: ...t the correct wire guide bushing size be entered for each cable strip program entered The Model 75 uses the GUIDE information as setup information during auto calibration mode If the incorrect wire guide bushing size is entered the unit may not process cables correctly 6 The CLAMP field controls the pressure applied to the cable by the clamp jaws during processing The range of values for the CLAMP...

Page 42: ...r and display the key s main number character at the current cursor location Subsequent depressions of the same key will enter and display the other characters controlled by that key in round robin fashion As an example pressing the number 1 key once will display the number 1 in the current cursor location Pressing the 1 key again will display the letter A Pressing it again will display the letter...

Page 43: ...mple we try a wire guide bushing size of 0 196 by sliding it along a length of the cable The bushing should slide freely along the length of the cable but there should not be excessive side to side movement between the cable and the bushing The better fit the wire guide bushing has to the cable O D the better the strip quality will be In this case the 0 196 bushing is a good fit so this is the siz...

Page 44: ...is in the CUT field 13 Move the blue data highlight cursor one position to the right over the S data field There are several layers to cut through to get down to the center conductor so a slower blade feed rate is desirable Enter 2 in this data field 14 Move the blue data highlight cursor one position to the right over the DWELL data field Enter 0 8 in this field This will allow the cutter blade t...

Page 45: ...ues when setting up a strip program They are however seldom the optimum programmed values Note It is important to note that due to the operating characteristics of an orbiting blade stripper the final programmed cut diameters that give the desired strip quality may not correspond with the actual measured values of the cable This is quite normal and not a sign that there is a problem with the Model...

Page 46: ...d on the Model 75 there are several special software features available to an operator when programming the machine This section highlights these special functions their use and programming The Model 75 special functions include 1 The data line move function allows an operator to easily change the stripping sequence of the Model 75 by moving a complete line of data up or down without having to rep...

Page 47: ...r conductor on the second step Figure 4 7 Data Line Move Highlight Cursor Rather than manually reprogramming all of the fields of the two or more lines of data involved the data line move feature of the Model 75 can be employed This feature allows the operator to highlight an entire line of data and move that line of data up or down to the desired step The other lines of data will switch places ac...

Page 48: ...closed to the programmed HOLD diameter The blades then dwell the amount of time programmed in DWELL move to the diameter programmed in PULL and the slug is pulled the amount programmed in PULL length This feature allows just the gripper blades to be used to strip for example hookup wire when the job does not demand severing the jacket around the entire circumference of the wire This speeds up the ...

Page 49: ...ming Mode Example 4 3 3 3 Special Function Programming Cable Hold Mode The cable hold mode function allows the operator to selectively program the gripper blades to hold the cable during each strip step to help stabilize and prevent whipping of the cable end while the orbiting blade is severing the cable In this mode the gripper blades offer support and stability to the cable in addition to the wi...

Page 50: ...OLD data controls the diameter the gripper blades close to during the cut portion of the strip step and the PULL data controls the diameter the gripper blades are positioned to during the slug removal pull off or stripping portion of the strip step If this data field is set to OFF indicated by a series of dashes being displayed in the data field the CUT data field is automatically forced to the ON...

Page 51: ...well time and the pull offset distance Blade change mode is also accessed from this menu along with the user programmable password setup The reserved options are for factory use only Figure 4 10 The Model 75 Configuration Menu 4 4 1 Process Options To edit the Model 75 process options position the blue data highlight cursor over process options on the Model 75 configuration menu as shown in Figure...

Page 52: ...osed position Sometimes it is desirable to have the cutter blade close when directed by the operator rather than automatically This is especially true for new operators learning how to use the Model 75 that do not quite have the strip cycle timing or routine mastered This is also desirable when stripping certain types of cables whose jacket strip portions have a tendency of getting trapped in the ...

Page 53: ...ANCE The PULL OFFSET DISTANCE option allows the operator to set the distance that the gripper blades index forward to position them correctly for the slug removal pull off portion of the strip cycle The PULL OFFSET DISTANCE is set at the factory during initial setup of the machine to a distance that will close the gripper blades at the same point along the cable that the cutter blade severs the ca...

Page 54: ...75 will display an error message and prompt the operator to press to return to the run screen The password can be turned ON or OFF or changed by positioning the blue data highlight cursor over PASSWORD SETUP on the Model 75 configuration menu and pressing The Model 75 will require the operator to enter the current password to gain access to the password setup menu For extra security when entering ...

Page 55: ...nd return to the Model 75 configuration menu 4 4 4 Reserved The RESERVED selections are for factory use only and may not be accessed by an operator 4 5 Memory Mode The Key The Model 75 contains a battery backed user program memory capable of storing up to 999 user programs cable strip data for easy future recall and re use Memory mode allows an operator to RECALL or STORE programs or ERASE memory ...

Page 56: ...ory mode the Model 75 will display the MEMORY FUNCTIONS screen and RECALL will be highlighted See Figure 4 14 below Figure 4 14 Model 75 Memory Functions Screen 4 5 1 Memory RECALL Mode To recall a previously stored cable program press when RECALL is highlighted The Model 75 will prompt the operator for the memory number to recall and the current memory number will be displayed See Figure 4 15 bel...

Page 57: ... is displayed on the run screen processing of cables can begin Note Always verify that the correct wire guide bushing is installed before attempting to process cables with new strip data If the memory number entered is empty the Model 75 will notify the operator that the memory location is unused 4 5 2 Memory STORE Mode To store the current program the strip data displayed on the run screen to a m...

Page 58: ...d is currently used the Model 75 will prompt the operator to choose if the memory location should be overwritten See Figure 4 16 below If it is desired to store the new data in this location position the blue data highlight cursor over YES and press Figure 4 16 Model 75 Overwrite Prompt Screen If NO is selected the cable data will not be stored and the Model 75 will return to the run mode To store...

Page 59: ...on the blue data highlight cursor over ERASE then press the key The Model 75 will prompt the operator for the memory number to erase and the current memory number will be displayed as in Figure 4 15 To erase the data in the current memory location displayed simply press the key If a different memory location is to be erased enter the desired memory number with the number keys If an error is made d...

Page 60: ...e that once YES has been highlighted and has been pressed the memory location will be completely erased and the data will not be recoverable Figure 4 18 Model 75 Memory Erase Confirmation Screen 4 5 4 Memory LIST Mode To view the programs stored in the memory in list form press the key and position the blue data highlight cursor over LIST then press the key The Model 75 will display a list of all ...

Page 61: ...blue data highlight cursor over the desired memory number using the keys and press the key The selected memory number will be recalled and become the active program If the desired memory number is not displayed on the current page use the and keys to go to the next or previous pages until the desired memory number is displayed on the current page Pressing the key will exit the LIST function withou...

Page 62: ...E and TOTAL DONE counters is essentially the same Each one will increment once every complete strip cycle Since both counters are independently pre settable their use is flexible For example the TOTAL DONE counter could be used to keep track of the total amount of cable ends processed in a day while the AMOUNT DONE counter could be reset to zero at the start of each shift to track shift totals 4 6...

Page 63: ...SIZE After every 100 cycles the Model 75 alerts the operator that 100 pieces have been processed The operator packages those cables and repeats the process as necessary At the end of the shift the value in TOTAL DONE reads 2 500 The operator ran 25 batches of 100 during the shift 2500 100 25 It is important to note that at any time during batch processing the count value in AMOUNT DONE can be modi...

Page 64: ...ting Cable through Clamp Jaws and Wire Guide Bushing 2 Press and release the Run Stop switch located on the lower left front of the machine 3 The Model 75 clamp jaws will close on the cable and the unit will process the cable end according to the data displayed on the screen 4 When the clamp jaws open remove the cable from the machine see tip below Make sure no debris is caught in the end of the w...

Page 65: ...g Run Stop to finish the cycle Note Do not insert any object other than the cable to be stripped into the wire guide bushing The cutting edge of the cutter blade is fragile and easily damaged It is imperative that the cutting edge of the blade be free from chips for proper operation and precise strip quality STOP If a slug portion gets caught in the end of the wire guide bushing DO NOT ATTEMPT TO ...

Page 66: ...When the wire guide bushing is clear of debris press 5 The unit will enter auto calibration mode and prepare for a new strip cycle Figure 5 2 Model 75 Stop Screen 5 3 Clearing Debris from the Wire Guide Bushing Occasionally a slug of insulation will get trapped in the end of the wire guide bushing at the completion of a cycle This slug should be removed before attempting to process another cable s...

Page 67: ...e wire guide bushing 6 Press 7 The unit will enter auto calibration mode and prepare for a new strip cycle 8 The Model 75 is ready to continue processing cables 5 4 Notes on Processing Cables The Model 75 will not process cables without the safety guard installed Insert cable all the way through the wire guide bushing until it stops against the blade Make sure no slugs get trapped in the end of th...

Page 68: ...t freight charges will be borne by the customer Repaired or replaced equipment will be returned at Carpenter s expense via UPS Ground If alternate shipping is requested by the customer the difference in shipping charges will be billed to the customer This is a limited warranty and is in lieu of all other representations and expressed and implied warranties including the implied warranties of merch...

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