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Conair CSC User manual
Summary of CSC
Page 1
Combination puller/cutter instant access parts and service (800) 458-1960 (814) 437-6861 www.Conairnet.Com the conair group, inc. One conair drive pittsburgh, pa 15202 phone: (412) 312-6000 fax: (412)-312-6227 csc model uge048/1103 installation operation maintenance troubleshooting.
Page 2
It is important to record the model and serial number(s) of your equipment and the date you received it in the user guide. Our service department uses this information, along with the manual number, to provide help for the specific equipment you installed. Keep this user guide and all manuals, engin...
Page 3: Able Of
Uge048/1103 csc combination puller/cutter t able of c ontents i ntroduction . . . . . . . . . . . . . . . . . . .1-1 purpose of the user guide . . . . . . . . . . . . . . . . . . . . . . . . .1-2 how the guide is organized . . . . . . . . . . . . . . . . . . . . . . .1-2 your responsibilities as a u...
Page 4: Able Of
Csc combination puller/cutter uge048/1103 o peration . . . . . . . . . . . . . . . Continued cutter control instructions min. Measurements . . . . . . . .4-17 cutter control instructions maintenance area . . . . . . . . .4-17 cutter control instructions encoder area . . . . . . . . . . . . .4-18 cut...
Page 5: Able Of
Uge048/1103 csc combination puller/cutter t able of c ontents t roubleshooting . . . . . . . . . . . . . . . .6-1 before beginning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2 a few words of caution . . . . . . . . . . . . . . . . . . . . . . . . . .6-2 identify the cause of a ...
Page 7: 1-1
1-1 uge048/1103 csc combination puller/cutter ● ● purpose of the user guide . . . .1-2 ● ● how the user guide is organized . . . . . . . . . . . . . . .1-2 ● ● your responsibilities as a user . . . . . . . . . . . . . . . .1-2 ● ● attention: read this so no one gets hurt . . . . . . . . . . .1-3 ● ●...
Page 8: 1-2
Csc combination puller/cutter uge048/1103 1-2 i ntroduction this user guide describes the conair combination puller/ cutter and explains step-by-step how to install, operate, main- tain and repair this equipment. Before installing this product, please take a few moments to read the user guide and re...
Page 9: 1-3
I ntroduction 1-3 attention: r ead this so no one gets hurt uge048/1103 csc combination puller/cutter danger: sharp blades! Most injuries caused by knife blades occur when the cutter has been turned off. Handle blades with care at all times. ● always wear cut-resistant gloves when the cutting chambe...
Page 10: 1-4
Csc combination puller/cutter uge048/1103 1-4 i ntroduction warning: voltage hazard this equipment is powered by one- or three- phase alternating current, as specified on the machine serial tag and data plate. A properly-sized conductive ground wire from the incoming power supply must be connected t...
Page 11: 1-5
Uge048/1103 csc combination puller/cutter i ntroduction 1-5 ● the emergency stop (e-stop) button is locat- ed on the control panel on top of the upper belt guard at the upstream end. Pressing either of these disconnects power to the entire unit. The e-stop must be physically pulled up to reset the s...
Page 12: Ow To
Warning: electrical hazard before performing maintenance or repairs on this product, disconnect and lock out electrical power sources to prevent injury from unexpect- ed energization or start-up. A lockable device has been provided to isolate this product from potentially hazardous electricity. Lock...
Page 13: 2-1
2-1 uge048/1103 csc combination puller/cutter ● ● what is the combination puller/cutter? . . . . . . . . . . . . .2-2 ● ● typical applications . . . . . . . . .2-3 ● ● limitations . . . . . . . . . . . . . . . . .2-3 ● ● how the combination puller/cutter works . . . . . . . . .2-4 ● ● combination pu...
Page 14: Hat Is The
The conair csc combination puller/cutter pulls small- to medium-sized extruded products through sizing and/or cooling tanks and cuts the product to lengths. Since the puller and cut- ter are mounted on the same chassis, alignment problems are minimized. The puller portion's direct ac drive system of...
Page 15: 2-3
Conair combination puller/cutters can process extrudable plastics and rubber both on- and off-line. Other extrudable materials-foods, ceramics, magnets, soaps, etc.-may also be processed depending on specific application requirements. Combination puller/cutters are available with different puller si...
Page 16: 2-4
Csc combination puller/cutter uge048/1103 2-4 d escription extruded material that has been sized and cooled enters the combination puller cutter from the upstream side. The extru- date passes through and is positioned by guide rollers ( step 1 ). Two opposing belts move the extrudate through the pul...
Page 17: 2-5
Uge048/1103 csc combination puller/cutter d escription 2-5 the cutter blade(s) rotate and pass between the bushings, cutting the extrudate. Cut pieces are collected or carried away on a conveyor. Extruded material enters from the upstream side. 1 3 4 belts pull the extrudate through the puller to th...
Page 18: Ombination
The combination puller/cutters have these features: c ombination p uller /c utter f eatures csc combination puller/cutter uge048/1103 2-6 d escription swivel casters and lockdown screws eye-level controls guide rollers belt guard e-stop button belt guard belt adjustment cutter head with blade(s) cle...
Page 19: 2-7
Uge048/1299 csc combination puller/cutter d escription 2-7 models 320csc2l 320csc3l 426csc2l 426csc3l 426csc4l performance characteristics extrudate capacity in. {mm} dia. 1.25 {318} 2.25 {572} 1.25 {318} 2.25 {572} 3.25 {823} blade drive motor hp {kw} csc cutter 2.7 {2.01} 2.7 {2.01} 2.7 {2.01} 2.7...
Page 20: 2-8
2-8 d escription uge048/1299 csc combination puller/cutter models 320csc2 320csc3 426csc2 426csc3 426csc4 performance characteristics extrudate capacity in. {mm} dia. 2 {51} 3 {76} 2 {51} 3 {76} 4 {102} blade drive motor hp {kw} csc cutter 2.7 {2.01} 2.7 {2.01} 2.7 {2.01} 2.7 {2.01} -- high torque m...
Page 21: Uller
Digital belt gap sensor and readout this option allows the operator to set a zero point, then mea- sure belt gap (in thousandths) relative to this point. Pneumatic upper belt actuator an air cylinder assembly that can raise and lower the upper belt boom assembly is available on 426 models only. Cont...
Page 22: 2-10
End sense this option allows the use of an electric eye to produce a cut signal. Two types of electric eye brackets are included: ● a bracket for cutting parts 3.5-24 inches long. This bracket is mounted on the bushing holder, and uses a photo eye positioned above the extrudate for easy setup, align...
Page 23: Ommon
Discharge conveyor a discharge conveyor offers support before, during, and after cutting, and facilitates the removal of cut parts. Discharge conveyors are available in the following sizes: ● 6 inches wide by 6 feet long ● 6 inches wide by 12 feet long ● 6 inches wide by 16 feet long isolation trans...
Page 25: 3-1
3-1 uge048/1103 csc combination puller/cutter ● ● unpacking the boxes . . . . . . . .3-2 ● ● preparing for installation . . . . . .3-3 ● ● positioning the combination puller/cutter . . .3-4 ● ● connecting the main power source . . . . . . . . . . . . .3-6 ● ● installing the cutter blades . . . . . ....
Page 26: Npacking The
The conair combination puller/cutter comes fully assembled in a single crate. U npacking the b oxes csc combination puller/cutter uge048/1103 3-2 i nstallation caution: lifting to avoid personal injury or damage to the cut- ter, lift the cutter using a forklift or hoist with straps that have been po...
Page 27: Reparing For
You will need these tools for installation: ❒ wire strain relief ❒ 16- or 18-inch adjustable wrench ❒ set of allen wrenches ❒ set of feeler gauges ❒ ½ inch open or box end wrench ❒ flashlight plan the location. Make sure the area where the servo cutter is installed has the following: ● a grounded po...
Page 28: 3-4
Move the combination puller/cutter into posi- tion. Place the puller/cutter in position downstream of the last sizing or cooling tank. Align the puller/cutter with the extrusion line. Csc combination puller/cutter uge048/1103 3-4 i nstallation 1 p ositioning the c ombination p uller /c utter caution...
Page 29: 3-5
Measure the centerline height of the extrudate as it exits the extrusion die. Adjust all equipment on the extru- sion line (sizing tank, cooling tanks, puller/cutter) to this height. Adjust the puller/cutter's floorlock/caster assembly to the center height of the extrusion line using a 16- or 18-inc...
Page 30: 3-6
3-6 i nstallation open the combination puller/cut- ter’s electrical enclosure. Turn the disconnect dial on the door to the off or o position and open the door. Insert the main power wire through the knockout in the side of the enclosure. Secure the wire with a rubber compression fitting or strain re...
Page 31: 3-7
Uge048/1103 csc combination puller/cutter i nstallation 3-7 for on-demand cutting, mount the blade at the “on-demand” position stamped on the cutter head. For more information about choosing the appropriate blade for your material, see the appendix b. I nstalling the c utter b lades danger: sharp bl...
Page 32: 3-8
Csc combination puller/cutter uge048/1103 3-8 i nstallation m ounting the c utter b ushings rotate the cutter head until the blade is positioned in the gap between where the bushings go. Slide the downstream bushing into position , positioning it up to and barely touching the blade (using a feeler g...
Page 33: 3-9
Uge048/1103 csc combination puller/cutter i nstallation 3-9 slide the upstream bushing into position, posi- tioning it up to but not touching the blade. Use the feeler gauge. Tighten the set screw against the flat side of the bushing to hold the bushing in position. Rotate the cutter head by hand to...
Page 34: 3-10
Csc combination puller/cutter uge048/1103 3-10 i nstallation turn the main power disconnect to the off position. Remove the upper and lower belt guards: ● remove the screws attaching guards to unit (four each: top, bottom, front and rear). ● disconnect the safety cable (on the upper guard). ● lift o...
Page 35: 3-11
Uge048/1103 csc combination puller/cutter i nstallation 3-11 adjust belt tension, if necessary. Adjust tension by turning the threaded tension rods. Keep tension on front and back edges, top and bottom belts as even as possible. Fine tune tension: ● lower the belts to a gap of about 1/8 inch (3 mm)....
Page 36: 3-12
Csc combination puller/cutter uge048/1103 3-12 i nstallation s etting the b elt g ap for the 426 model each belt boom assembly is moved separately. A single handle is used for both threaded rods., to move the handle from one rod to the other, lift it and place it on the other shaft. You may have to ...
Page 37: 3-13
Uge048/1103 csc combination puller/cutter i nstallation 3-13 the optional pneumatic upper belt actuator can also be used to position the upper belt. (see appendix e.) place the handwheel on the right threaded rod and turn to move the lower belt up and down. 2 s etting the b elt g ap continued.
Page 38: 3-14
Csc combination puller/cutter uge048/1103 3-14 i nstallation c hecking r epeatability before any conair puller/cutters are shipped, they are tested for cut time repeatability to be sure they are within perfor- mance specifications. The repeatability test checks the perfor- mance of the rotary knife ...
Page 39: 3-15
Uge048/1103 csc combination puller/cutter i nstallation 3-15 r epeatability t est r esults results in flywheel mode the display shows devcc a full revolution of the cutter head. The reading is in milliseconds, to the third decimal place, i.E. 0.010 is 0.01 milliseconds (or 10 microseconds). If the r...
Page 40: 3-16
Csc combination puller/cutter uge048/1103 3-16 i nstallation p reparing for t esting make sure all components are installed according to assembly drawings. Make sure that all bolts have been checked for tightness. Check that the combination puller/cutter is firmly locked into position with the ancho...
Page 41: Esting The
T esting the i nstallation uge048/1103 csc combination puller/cutter i nstallation 3-17 turn on the main disconnect. Plug in the main power cord and turn on the main disconnect. The display should fully illuminate and bootup. The amber power on light illuminates. Check that the e-stop button is in t...
Page 43: 4-1
4-1 uge048/1103 csc combination puller/cutter ● ● the cutter control . . . . . . . . . . . .4-2 ● ● cutter operation instructions . . .4-3 ● ● cutter control features . . . . . . . .4-4 ● ● puller control features . . . . . . .4-27 ● ● stopping the puller . . . . . . . . . . .4-28 ● ● shutting down ...
Page 44: 4-2
4-2 o peration csc combination puller/cutter uge048/1103 c utter o perator c ontrol f eatures the operator control provides an intuitive user-friendly method to interface with the conair servo cutter. Information is viewed and entered at the operator control and is commu- nicated to the servo positi...
Page 45: 4-3
O peration 4-3 uge048/1103 csc combination puller/cutter c utter o perator c ontrol i nstructions m ain s creen main screen there are two types of main screens, length or time measure- ment and cuts per minute measurement. The type displayed varies depending on the current cut mode setting. See the ...
Page 46: Utter
Menu function key is used to access the menu area. This area can only be accessed from the main display screen for each mode. See the menu area section for more information. Parts select area screen under the current mode on the left side of the bottom line of the display is a soft key labeled parts...
Page 47: 4-5
O peration 4-5 uge048/1103 csc combination puller/cutter reset softkey3 under the counter, on the right is a soft key labeled reset. Pressing this key will zero the counter. Exit or prev , fixed function keys return the display to the parts select screen. Batch screen by pressing softkey3 located un...
Page 48: 4-6
4-6 o peration csc combination puller/cutter uge048/1103 batch select area screen under the batch counter, on the left is a soft key labeled change. Pressing this key displays the select batch area screen. Additional information on how to access this screen can be found in the operator display overv...
Page 49: 4-7
O peration 4-7 uge048/1103 csc combination puller/cutter numeric keys key in the batch required and press enter. If you require a batch of 50 parts you must key in 50 and then press enter. Enter or delete? If the keyed in number is correct press the enter key for it to be accepted and return to the ...
Page 50: 4-8
4-8 o peration csc combination puller/cutter uge048/1103 exit or prev , if no change is required press exit or prev to return to the main screen. Raise will increase the preset by 0.010 inch. The key can be pressed once for each 0.010 inches increment required or held down to scroll up. Releasing th...
Page 51: 4-9
O peration 4-9 uge048/1103 csc combination puller/cutter exit or prev , if no change is required press exit or prev to return to the previous length screen. Raise will increase the number by 1. The key can be pressed once for each increment of 1 required or held down to scroll up. Releasing the key ...
Page 52: 4-10
4-10 o peration csc combination puller/cutter uge048/1103 raise will increase the preset by 0.010 second. The key can be pressed once for each 0.010 second increment required or held down to scroll up. Releasing the key will freeze the pre- set at the last value then press enter. Lower will decrease...
Page 53: 4-11
O peration 4-11 uge048/1103 csc combination puller/cutter raise will increase the preset by 0.010 second. The key can be pressed once for each 0.010 second increment required or held down to scroll up. Releasing the key will freeze the pre- set at the last value then press enter. Lower will decrease...
Page 54: 4-12
4-12 o peration csc combination puller/cutter uge048/1103 raise will increase the preset by 1.0. The key can be pressed once for each 1.0 increment required or held down to scroll up. Releasing the key will freeze the preset at the last value then press enter. Lower will decrease the preset by 1.0. ...
Page 55: 4-13
O peration 4-13 uge048/1103 csc combination puller/cutter raise will increase the preset by 1. The key can be pressed once for each 1 increment required or held down to scroll up. Releasing the key will freeze the preset at the last value then press enter. Lower will decrease the preset by 1. The ke...
Page 56: Utter
Next or prev , pressing next selects the second function area. Pressing prev returns the display to the first function area screen. Pressing prev from the first function area screen returns the display to the active main mode screen. Menus are a convenient way to access and monitor parameters that d...
Page 57: 4-15
O peration 4-15 uge048/1103 csc combination puller/cutter next , pressing next selects the devcc test if available. If the arrow on the top right hand side of the screen is visible the current mode also supports the devcc test. The devcc repeatability tester also displays total deviation time in mil...
Page 58: 4-16
4-16 o peration csc combination puller/cutter uge048/1103 mode softkey by pressing the soft key located under the word mode, the dif- ferent cut modes are available. There are two cut mode screens. The first screen provides choices for the standard- modes available on all cutters. The second screen ...
Page 59: 4-17
O peration 4-17 uge048/1103 csc combination puller/cutter min softkey by pressing the soft key located under the word min on the second function area screen, the minimum allowable mea- surement value is displayed. The active mode and the cuts per minute limit for the model of cutter determines the a...
Page 60: 4-18
4-18 o peration csc combination puller/cutter uge048/1103 menus are a convenient way to access and monitor parameters that do not need to be altered often, i.E. Home position, encoder direction, scale or unit of measure. In addition, pre- ventive maintenance parameters can be monitored for trouble- ...
Page 61: 4-19
O peration 4-19 uge048/1103 csc combination puller/cutter encdr softkey by pressing the soft key located under the word encdr on the maint. Area screen, there are three sub-menus, drctn, u/m, and scale accessible. Additional information on how to access this screen can be found in the maintenance ar...
Page 62: 4-20
4-20 o peration csc combination puller/cutter uge048/1103 if a negative symbol is shown to the left of the count value on the main mode screen the encoder signal is reversed, i.E. Rotat- ing in the wrong direction. The cutter will not function while the encoder is going negative. The direction funct...
Page 63: 4-21
O peration 4-21 uge048/1103 csc combination puller/cutter c utter c ontrol i nstructions s cale d istance distance softkey by pressing the soft key located under the word dist. On the scale value screen, the scaled distance is available. This value must be set after a u/m change. Additional informat...
Page 64: 4-22
4-22 o peration csc combination puller/cutter uge048/1103 c utter c ontrol i nstructions s cale c ounts counts softkey by pressing the soft key located under the word counts on the scale value screen, the scaled counts are available. Additional information on how to access this screen can be found i...
Page 65: 4-23
O peration 4-23 uge048/1103 csc combination puller/cutter c utter c ontrol i nstructions h oming homing a defined home location is required for all servo-positioning applications. After initial power up, emergency stop or guard opened, home position must be found. All motion is relative to this home...
Page 66: 4-24
4-24 o peration csc combination puller/cutter uge048/1103 raise will increase the value by 1.0. The key can be pressed once for each 1.0 increment required or held down to scroll up. Releasing the key will freeze the value at the last value. Lower will decrease the value by 1.0. The key can be press...
Page 67: 4-25
O peration 4-25 uge048/1103 csc combination puller/cutter c utter c ontrol i nstructions p ower o n t ime time softkey pressing the soft key located under the word time on the p/m area screen, selects the power-on time screen. The power-on time screen displays the total time in hours that the machin...
Page 68: Utter
Power up sequence at power up a series of system screens briefly appear. The software is red lion's edict-97. This screen or similar shows first. Next, the communications message appears if there are any problems with communications, this screen will remain on longer than a couple of seconds. If the...
Page 69: Uller
Apply power to the machine. Place the disconnect in the “on” position. Check to insure to 10-turn speed potentiometer is turned to zero speed. (counter-clockwise fully). Note: whenever the puller is turned off, the speed potentiometer should be rotated to zero speed. In this way, when the unit is st...
Page 70: Hutting
Remove extrudate from the puller. Press the red stop button. Turn rotary disconnect to off. Rotate the 10-turn potentiometer to zero speed. Note: always start puller with potentiometer set at zero (0). 1 3 warning: safe stopping do not use any part of the guard circuit or the rotary disconnect to st...
Page 71: 4-29
O peration 4-29 uge048/1103 csc combination puller/cutter b efore s tarting c ombination u nit before you start daily operation of the combination puller/cut- ter, you need to perform preventative maintenance. Necessary maintenance is described in the maintenance section of this users guide, section...
Page 72: 4-30
Csc combination puller/cutter uge048/1103 4-30 o peration p rogramming the p uller s peed plug in the power cord to restore power after any required maintenance. Turn on the main power. The cutter control will bootup. The amber power on light illuminates. While the cutter is booting up, perform the ...
Page 73: Etting The
S etting the c utting m ode o peration 4-31 uge048/1103 csc combination puller/cutter be sure that the cut on/off button is off. Press the select button to activate the cutting mode you want. A mode is active when the led next to it is lit. Each time you press select the control activates the next a...
Page 74: Hecking
Csc combination puller/cutter uge048/1103 c hecking c ut q uality s etting the s cale f actor the encoder mode uses a scale factor to compensate for con- figurations that differ from the standard (a measuring wheel with a 1 foot circumference; a 3000 pulse encoder; and english units of measure). The...
Page 75: Tart
S tart -u p p reparations o peration 4-33 uge048/1103 csc combination puller/cutter if you have not already done so, perform daily maintenance check, power up the puller/cutter, select cutting mode and blade speed and make a test cut to check cut quality. Use the slide system to move the cutter as f...
Page 76: Tart
Plug in the power cord to restore power after any required maintenance. Turn on power to the puller. Plug in the power cord to restore power after performing any required main- tenance. Turn the main disconnect to the on position. Press the green start button. If the puller does not start, make sure...
Page 77: 4-35
Uge048/1103 csc combination puller/cutter o peration 4-35 s tarting the p uller plug in the power cord to restore power after any required maintenance. Turn on power to the puller. Plug in the power cord to restore power after performing any required main- tenance. Turn the main disconnect to the on...
Page 78: 4-36
4-36 o peration uge048/1103 csc combination puller/cutter m aking a djustments d uring o peration f or the c utter there are several adjustments you can make during normal cutting. These adjustments include: ● in timer mode , adjust the time between cuts ● in encoder and follower modes , adjust the ...
Page 79: Topping
Csc combination puller/cutter uge048/1103 you can shut down just the cutter portion of the combination puller/cutter if you need to change or adjust cutter blades: press cut on/off softkey to off to stop cutting (softkey text changes to off). Press stop cutter button to disable the servo motor. Turn...
Page 80: Hutting
To shut down the combination puller/cutter, perform the stop- ping procedure listed above. No additional steps are necessary if the combination puller cutter is shut down for short period of time. If the unit is shut down for an extended period of time, puller belts can and do acquire 'set.' if this...
Page 81: 5-1
5-1 uge048/1103 csc combination puller/cutter ● ● maintenance features . . . . . . . .5-2 ● ● warnings and cautions . . . . . . .5-2 ● ● preventative maintenance schedule . . . . . . . . . . . . . . . . .5-4 ● ● inspecting cutter blades . . . . . .5-6 ● ● inspecting blade hardware . . . .5-6 ● ● ins...
Page 82: Arnings And
W arnings and c autions the servo cutter csc combo model needs regular, scheduled maintenance for peak performance. Among the features that require maintenance are: ● puller belts ● cutter blades ● blade mounting hardware ● cutter bushings ● the knife guard hardware ● floor locks ● lubrication ● opt...
Page 83: 5-3
Uge048/1103 csc combination puller/cutter m aintenance 5-3 warning: voltage hazard this equipment is powered by alternating cur- rent, as specified on the machine serial tag and data plate. Do not operate the equipment at power levels other than what is specified on the machine serial tag and data p...
Page 84: 5-4
Csc combination puller/cutter uge048/1103 5-4 m aintenance p reventative m aintenance s chedule ● daily ❒ ❒ checking puller belts for wear if a belt shows sign of cracks, tears, or other damage, replace it. See replacing belts, section 5 . ❒ ❒ checking puller belt tension check the belt tension. See...
Page 85: Reventative
P reventative m aintenance s chedule continued uge048/1103 csc combination puller/cutter m aintenance 5-5 ● semi-annual (every six months) ❒ ❒ inspecting electrical terminals check all electrical terminals for tightness; adjust as needed. See checking electrical connections, section 5. ❒ ❒ checking ...
Page 86: Nspecting
I nspecting c utter b lades csc combination puller/cutter uge048/1103 5-6 m aintenance blades become dull over time depending on the material being cut, cut rate, blade speed, and blade material and thickness. Check blades regularly for sharpness as well as scratches, nicks, burrs, and material buil...
Page 87: 5-7
Uge048/1103 csc combination puller/cutter m aintenance 5-7 check the latch and adjust it so the knife guard closes com- pletely. This prevents false triggering of the safety switch. I nspecting c utter b ushing s crews check the set screws that secure the cutter bushings. If bush- ings move during c...
Page 88: Leaning The
C leaning the l ubrication t ray csc combination puller/cutter uge048/1103 5-8 m aintenance the lubrication tray is built into the cutter assembly as a sim- ple method of applying lubrication to your blade during cut- ting cycles. Depending on cut rate and type of material and lubrication, the area ...
Page 89: 5-9
Uge048/1103 csc combination puller/cutter m aintenance 5-9 lubricate all shafts and grease fittings as needed. Use regular grease for all locations except thread rods, vertical shafts, and vertical shaft drive boxes. For thread rods and vertical shafts, use never-seize or equivalent. The vertical sh...
Page 90: 5-10
Csc combination puller/cutter uge048/1103 5-10 m aintenance a djusting the c utter p roximity s witches follow all warnings and cautions listed at the beginning of the maintenance section of this user guide. Be sure the main power is disconnected and the cutter is locked out. Loosen the set screws t...
Page 91: 5-11
M aintenance 5-11 be sure the main power is disconnected and the cutter is locked out . Always disconnect and lock out the main power source before opening the unit or servicing. Turn the main power disconnect to the off position before opening the electrical enclosure on the back of the cutter, or ...
Page 92: 5-12
Csc combination puller/cutter uge048/1103 5-12 m aintenance open the electrical enclosure. Inspect all wires and connections . Look for loose wires, burned contacts, and signs of over-heated wires. Have a qualified electrician make any necessary repairs or replacements. Close the electrical enclosur...
Page 93: Esting
Turn the main power disconnect to the off position. Remove the upper and lower belt guards: ● remove the screws attaching guards to unit (four each: top, bottom, front and rear). ● disconnect the safety cable (upper guard). ● lift off and remove guard. T esting b elt t ension 1 2 check belt tension....
Page 94: 5-14
Csc combination puller/cutter uge048/1103 5-14 m aintenance adjust belt tension, if necessary. Adjust tension by turning the threaded tension rods. Keep tension on front and back edges, top and bottom belts as even as possible: 4 fine tune tension: ● lower the belts to a gap of about 1/8" (3 mm). Se...
Page 95: Hecking The
C hecking the b elt g ap for the 426 model each belt boom assembly is moved separately. A single handle is used for both threaded rods. To move the handle from one rod to the other, lift it and place it on the other shaft. You may have to rotate it slightly to engage the key- way with the key on the...
Page 96: 5-16
Csc combination puller/cutter uge048/1103 5-16 m aintenance the optional pneumatic upper belt actuator can also be used to position the upper belt. Refer to appendix e for more infor- mation. Place the handwheel on the right threaded rod and turn to move the lower belt up and down. 2 c hecking the b...
Page 97: Eplacing
To replace puller belts: turn the rotary disconnect to the off posi- tion. Remove the upper and lower belt guards. Release belt tension by loosening the threaded rods. Keep tension on front and back edges as even as possible by turning each rod 5-10 revolutions, then switching to the other side. Con...
Page 98: 5-18
Csc combination puller/cutter uge048/1103 5-18 m aintenance the trantorque coupling device connects the servo motor to the cutter head. It is important that it is tightened to the proper torque. Carefully remove the cutter blade. Check to make sure both the shaft and com- ponent bore of the trantorq...
Page 99: 6-1
6-1 uge048/1103 csc combination puller/cutter ● ● before beginning . . . . . . . . . . . . 6-2 ● ● a few words of caution . . . . . .6-2 ● ● identifying the cause of a problem . . . . . . . . .6-4 ● ● puller operation problems . . . .6-5 ● ● cutter operation problems . . . .6-7 ● ● product quality p...
Page 100: Efore
B efore b eginning csc combination puller/cutter uge048/1103 6-2 t roubleshooting a f ew w ords of c aution warning: improper installation, operation, or servicing may result in equipment damage or personal injury. This equipment should only be installed, adjust- ed, and serviced by qualified techni...
Page 101: 6-3
Uge048/1103 csc combination puller/cutter t roubleshooting 6-3 danger: sharp blades! Most injuries caused by knife blades occur when the cutter has been turned off. Handle blades with care at all times. ● always wear cut-resistant gloves when the cutting chamber is open and when handling blades. ● a...
Page 102: Dentifying The
I dentifying the c ause of a p roblem csc combination puller/cutter uge048/1103 6-4 t roubleshooting the troubleshooting section covers problems directly related to the operation and maintenance of the combination puller/cutter. This section does not provide solutions to prob- lems that originate wi...
Page 103: Uller
P uller o peration p roblems uge048/1103 csc combination puller/cutter t roubleshooting 6-5 symptom ◆ the puller ‘creaks’ while run- ning. ◆ the puller does not start. Possible cause the belt is too tight. The bearings are failing. The e-stop button is pushed in. Solution check the belt tension; loo...
Page 104: 6-6
Csc combination puller/cutter uge048/1103 6-6 t roubleshooting c utter o perational p roblems symptom ◆ servo drive is without power ◆ pressing start cutter has no effect. The light does not light. ◆ pressing the manual cut button does not produce a cut when in an on- demand mode. Possible cause the...
Page 105: 6-7
Uge048/1103 csc combination puller/cutter t roubleshooting 6-7 symptom ◆ after pressing start cutter, the cutter head rotates and stops in wrong position. ◆ master safety relay does not ener- gize. ◆ measurement display does not change value. Possible cause the blade home proxim- ity switch failed o...
Page 106: 6-8
Csc combination puller/cutter uge048/1103 6-8 t roubleshooting c utter o perational p roblems symptom ◆ in encoder or timer modes, the display shows the count which resets, but a cut does not occur at the point of reset. ◆ blade speed does not change when new speed is entered into the control. ◆ cut...
Page 107: Utter
C utter o perational p roblems symptom ◆ blade speed does not change when new speed is entered into the control. ◆ cutter mode selec- tion does not change cut mode. ◆ the park (home) position is drifting, i.E. The blade parks further away from the original park position. Possible cause there is a co...
Page 108: 6-10
Csc combination puller/cutter uge048/1103 6-10 t roubleshooting p roduct q uality p roblems symptom ◆ annular rings present on the extrudate. ◆ burrs at cut site. Possible cause the belt puller is too close to the cutter. The anti-backlash bear- ings are not working properly. The bushings do not pro...
Page 109: Symptom
Symptom ◆ hairs or strings. Possible cause blade speed is too low. The blade is too thick. The blade is wrong for the application. Material is building up on the blade and wiping off on the cut site. There are imperfections on the blade. A hole or slot in the blade cut path is causing a ‘cheese grat...
Page 110: 6-12
Csc combination puller/cutter uge048/1103 6-12 t roubleshooting symptom ◆ cracks at cut site. Possible cause the extrudate is too cold. The blade speed is too high. The bushings are not pro- viding enough support during cutting. The cutting blade is too sharp. If using nylon, it may be cooling too q...
Page 111: Symptom
Symptom ◆ cut is not square. Possible cause the blade speed is too low. The blade is misaligned. The cutter bushings are not properly gapped. The knife bevel is not symmetric. For rigid products the puller is too close to the cutter. Solution low blade speeds can cause excessive blade interruption. ...
Page 112: 6-14
Csc combination puller/cutter uge048/1103 6-14 t roubleshooting p roduct q uality p roblems c ontinued symptom ◆ length of cut is incorrect . Possible cause repeatability is wrong. Encoder, input device problem. There is a problem with the puller. Solution test for repeatability. See section 6. Chec...
Page 113: Estoring
To restore default memory settings: turn off power to the puller. While simultaneously pressing the clear and the 7 on the numeric keypad, turn the power on. ◆ the factory default settings are restored. The m- trim control performs the power up routine described in powering up, section 4. Set any us...
Page 114: 6-16
Csc combination puller/cutter uge048/1103 6-16 t roubleshooting r eplacing s afety and p roximity s witches three safety switches are included in csc cutter sections: a keyed safety switch on the knife guard, and a proximity switch on each cutter bushing. A failure in any of these switches prevents ...
Page 115: Djusting The
The home position proximity switch should be 0.010" from the 5/16” thread rod on the cutter head for proper operation. Open the knife guard. Locate the 1/4 inch thread rod on the cutter head. It should be 0.010 inch from the proximity switch sensor when it passes that location. If necessary, loosen ...
Page 116: 6-18
Csc combination puller/cutter uge048/1103 t roubleshooting 6-18 c hecking the m otor / reducer a ssembly open the knife guard. Remove the cutter head by loosening the trantorque assembly. Refer to the manufacturer's guide included with this user guide for information about the trantorque assembly. L...
Page 117: Esting
Before any conair puller/cutters are shipped, they are tested for cut time repeatability to be sure they are within perfor- mance specifications. The repeatability test checks the perfor- mance of the rotary knife cutter to return the home park posi- tion after a complete cut. Acceptable repeatabili...
Page 118: Esults Of
R esults of r epeatability t esting results in flywheel mode the display shows devcc a full revolution of the cutter head. The reading is in milliseconds, to the third decimal place, i.E. 0.010 is 0.01 milliseconds (or 10 microseconds). If the reading exceeds 0.200 there is a problem with the cutter...
Page 119: A-1
S ervice i nformation a ppendix a-1 conair has made the largest investment in customer support in the plastics industry. Our service experts are available to help with any problem you might have installing and operating your equipment. Your conair sales representative also can help analyze the natur...
Page 120: A-2
W arranty i nformation uge048/1103 a ppendix a-2 e quipment g uarantee p erformance w arranty w arranty l imitations conair guarantees the machinery and equipment on this order, for a period as defined in the quotation from date of shipment, against defects in material and workmanship under the norm...
Page 121: Blade Materials
Cutter blade characteristics such as material, design, and thickness can have a large effect on cut quality. Blade materials blue tempered spring steel is most commonly used because of its cost and availability over a wide range of thicknesses (0.010-0.062 inch). It is a very tough material with an ...
Page 122: Blade Design
Blade design straight-edge knives have a straight cutting surface. A chop- ping action (which has cutting forces parallel to the cut) is typically obtained with straight-edge blades. Because the blade is mounted on a rotary arm, some slicing action (which has additional force vectors at various angl...
Page 123: Blade Thickness
Blade thickness because material is displaced rather than removed in rotary knife cutting, think of the blade as a wedge. The thicker the blade, the greater the displacement. This displacement can cause fracture in rigid profiles and tubing, which is often observed as a whitening on all or a portion...
Page 124: B-4
C utter b lade s election and u se uge048/1103 b-4 a ppendix c utter b lade s election and u se calculating blade interruption blade interruption is the length of time which the blade interrupts the extrudate during the cutting process. Knowing blade interruption allows you to optimize blade speed a...
Page 125: B-5
To calculate interruption time: (0.937 in. + 0.250 in.) x 60,000msec/rev = 2.25msec 44.0 in. 718 rpm knowing the interruption time and the line speed, you can cal- culate the amount of production deflection that must be accommodated during cutting. To calculate the amount of extrudate deflection bet...
Page 126: B-6
C onair c utter b lades uge048/1103 b-6 a ppendix c onair c utter b lades part blade bushing blade blade no. Type size thickness material 3515-02285 razor 2 inch* 0.015 in. Stainless steel 3515-00975 razor 2 inch* 0.025 in. Stainless steel 3515-30088 straight 2 inch 0.010 in. Stainless steel 3515-30...
Page 127: Cutter Bushing Bore Size
Uge048/1103 a ll a bout c utter b ushings rotary knife cutter bushings are probably the most ignored aspect of cutting. Yet, they are probably the most important ingredient to obtaining clean, square, accurate cuts with mini- mal jamming and broken blades. This appendix contains information about se...
Page 128: C-2
Supportive bushings become more important if heat is used to minimize whitening (fracturing). ● if you are cutting a square or rectangular profile, whether rigid or flexible, a round bushing bore will not offer proper support and will often lead to an "s" shaped cut. A flat bottomed bushing will off...
Page 129: C-3
A ppendix c-3 cutter bushing shear surface quality similar to a dull pair of scissors, if the cutter bushing shear surface is not sharp the tube or profile is not supported to the side of the blade and the cut will not be clean. In some cases, the entrance of the downstream cutter bushing is slightl...
Page 130: Cutter Bushing Length
Cutter bushing length on flexible extrudates , it is important to minimize the length of the cutter bushings. It is very difficult to push flexible extrudates through since it tends to compress as it is pushed, causing a marginal increase in the tube diameter. For this rea- son, bushing lubrication ...
Page 131: Bout
Adjusting the cutter bushing gap if the bushing gap is too big, material is dragged down between the bushings creating a burr, especially with flexibles. This may lead to jamming within the bushings where the upstream side of the cut extrudate actually hits against the downstream bushing surface. Th...
Page 132: Lade And
Blade and bushing lubrication can nearly always improve the quality of cutting. Description of the cutting process unlike sawing, a rotary knife cutter displaces material rather than removing it. When the knife blade first contacts the extrudate, it pushes it against the opposite side of the cutter ...
Page 133: Lade And
B lade and b ushing l ubrication if the blade has a rough surface where the extrudate rubs against it, material will accumulate on the blade in a cheese grater fashion. This scratched material will also be passed from the blade to the next cut and be seen as hairs or flakes. Some of the more flexibl...
Page 134: Common Cutting Lubricants
Common cutting lubricants commonly used general purpose lubricants include: ● tap water ● dish washing liquid (joy, etc) ● glycol (anti-freeze, coolant) ● water-soluble silicone cutting oils ● diesel fuel ● mold release ● mineral oil medical grade lubricants: ● distilled water ● isopropanol (isoprop...
Page 135: E-1
Uge048/1103 c hoosing b elt m aterials a ppendix e-1 when considering puller performance, an important concern is the type of puller belt. To select the proper belt material, you must consider the extrudate's tendency to deform under pres- sure. For example, thin wall profiles and tubing are prone t...
Page 136: E-2
C hoosing b elt m aterials uge048/1103 a ppendix e-2 part material durometer covering color wear traction fda no. Thickness approved model 426 belt type: poly v 655 l 20 3511-30016 natural rubber 35-40 .39 in (10mm) tan, brown medium excellent no 3511-30088 natural rubber 50-55 .39 in (10mm) tan, gr...
Page 137: F-1
A ppendix f-1 this table shows the settings for each control parameter set at the factory. The parameters are set either to the default setting, or to a setting specific to your requirements (customer col- umn). If you change any value, record it in this column. Keep these values up-to-date so you c...
Page 138: Uller
P uller c ontrol s ettings code parameter range default customer 36 max rpm (external 1-9999 reference input: secondary mode) 37 max rpm (feedback: 1-9999 secondary mode) 38 max rpm (auxiliary 1-9999 input: secondary mode) scaling format selection and control 60 output format 1-2 61 primary scaling ...
Page 139: F-3
Uge048/1103 p uller c ontrol s ettings a ppendix f-3 pid (proportional, integral, differential) tuning is the process of setting the control algorithm parameters (codes 65-69) to achieve optimum performance. While each puller is tuned before shipment to optimize performance over the entire speed ran...
Page 140: Sing The
D igital b elt g ap s ensor u ge048/1103 u sing the d igital b elt g ap s ensor the digital belt gap sensor uses a linear scale attached to both belts to measure the relative distance between the belts. The relative distance is shown in thousandths of an inch (.001). The sensor has five buttons: ● o...
Page 141: Djusting The
Uge048/1103 p neumatic u pper b elt a ctuator you can adjust the opening and closing speed of the air cylin- der assembly that operates the upper belt boom assembly by adjusting (lifting and turning) the air regulator handle. A djusting the p neumatic u pper b elt a ctuator handle a ppendix g-2.