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Conair SC-5 manual Cut is not square. The blade speed is too low, The knife bevel is not symmetric

Models: SC-5

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◆ Cut is not square. The blade speed is too low.

	PRODUCT
	QUALITY
	PROBLEMS
	CONTINUED
Symptom	Possible cause Solution

◆ Cut is not square. The blade speed is too low.

Low blade speeds can cause excessive blade interruption. Increase blade speed or decrease the blade cut path area.

The blade is misaligned.

The cutter bushings are not properly gapped.

Check that blade is 90 degrees relative to the bushing holder.

If the cutter bushings are not properly gapped, the blade may be free to move with the extrudate. Check and adjust if necessary. See Appendix A.

The knife bevel is not symmetric.

If the knife bevel is asymmet- ric, the blade will tend to move in the direction of the smaller bevel. Be sure that the bevel is symmetric. NOTE: You can use this to your advantage with some rigid products.

For rigid products the puller is too close to the cutter.

There must be enough space between the puller and cutter to allow for extrudate stoppage that occurs during cutting. Allow enough space so no cut shock is detectable at the input to the belt puller with your fin- gernail.

UGE059/1003

SC-5 SURE CUT Servo Knife Cutter TROUBLESHOOTING 6-11

Image 89

Conair SC-5 Cut is not square. The blade speed is too low, The knife bevel is not symmetric, Product, Quality, Problems

Contents

Installation Operation Maintenance Troubleshooting SC-5 Servo ModelInstant Access Parts and Service Sure Cut Rotary Knife CutterDate Serial numbers Model numbers Power Specifications Amps Volts PhaseDocument Number CycleTABLE OF CONTENTS INSTALLATIONINTRODUCTION DESCRIPTIONTROUBLESHOOTING MAINTENANCEPARTS/DIAGRAMS APPENDIXINTRODUCTION no one gets hurt How to Use the Lockout DevicePurpose of the User Guide How the User Guide is organized Your Responsibilities as a User ATTENTION Read this soYOUR RESPONSIBILITY AS A USER PURPOSE OF THE USER GUIDEHOW THE USER GUIDE IS ORGANIZED READ THIS SO NO ONE GETS HURT DANGER Sharp bladesREAD THIS SO NO ONE GETS HURT WARNING Voltage HazardTwo electric switches make a contact between the side and the clear polycarbonate sliding blade observation windows such that the windows MUST BE CLOSED in order to enable the blade wheel to spin electrical power HOW TO USE THE LOCKOUT DEVICEWARNING Electrical hazard Isolate the equipment fromPage DESCRIPTION What is the SC-5 Sure Cut Knife Cutter Typical ApplicationsHow the SC-5Works SC-5 Features Specifications Optional Equipment Mechanical Features WHAT IS THESC-5 SURE CUT? FlywheelWHAT IS THE CONTINUEDSC-5 SURE CUT? DESCRIPTIONCutting from Below the Bushing Holder TYPICAL APPLICATIONSHOW THE SC-5 SURE CUT WORKS DESCRIPTION HOW THE SC-5 SURE CUT WORKSCONTINUED SPECIFICATIONS FEATURESThe SC-5 Sure Cut Servo Cutter features SC-5Slide Base OPTIONAL EQUIPMENTBlade Wipe Custom Bushing Holder Sizes AvailableIsolation Transformer Discharge ConveyorLeft to Right Machine Operation Special Paint Type or ColorPage Unpacking the Boxes Preparing for Installation Positioning the SC-5 INSTALLATIONSure Cut Connecting the Main Power Source Installing the Encoder Installing the Cutter Blades Mounting the Cutter BushingsUNPACKING THE BOXES You are now ready to begin installationCAUTION Lifting Carefully uncrate the cutter and its compo- nents1 You need these tools for installation PREPARING FOR INSTALLATIONCAUTION Lifting POSITIONING THE SERVO CUTTERDetermine the best distance from the belt puller to Align the cutter with the extrusion line Adjust the cutters floorlock/caster assemblyMeasure the centerline height of the extrudate as POSITIONING THE SERVO CUTTERWARNING Electrical hazard CONNECTING THE MAIN POWER SOURCECAUTION Handle with care INSTALLING THE ENCODERDANGER Sharp blades INSTALLING THE CUTTER BLADESInstalling the Cutter Blades TIP We recommend that you INSTALLING THE CUTTER BLADESCONTINUED 7 Tighten the two screws in the housing to lock in the bushings Installation of the bushingMOUNTING THE CUTTER BUSHINGS 3-10Turn on the Power Rotary main disconnect Close the safety coverCHECKING THE ALIGNMENT OF THE BUSHINGS Checking the Alignment of bushing to blade3-12 CHECKING REPEATABILITYType of Cutter Repeatability TimeTESTING THE TESTINGMake sure all components are installed according Check that all wiring conforms to electricalPage Total Screen Batch Screen Length Screen Preset to Run Time Preset The Cutter Control Before Starting Powering Up Main ScreenMaintenance Area Encoder Area Unit of Measure Scale Distance Homing Offset Example Preventative Maintenance Power On TimeSoft Keys OPERATOR CONTROL FEATURESNumeric keys Fixed Function Keys at BottomMake sure that the Cut Enable is Off POWERING UPBEFORE STARTING Make sure the E-Stop button is in the out, extended positionCONTINUED Power UpEdictVerSequence.-975.05Runtime.134POWERING UP Parts1ENC00000Off.000in Active PresetOPERATOR CONTROL INSTRUCTIONS MAIN SCREEN MAIN SCREENCONTROL INSTRUCTIONS Parts TotalSelectSELECTAreaExitPARTSScreenAREABatchCONTROL INSTRUCTIONS TOTAL SCREEN TOTAL SCREENCONTROL INSTRUCTIONS BATCH SCREEN Reset Softkey3CONTROL INSTRUCTIONS TOTAL SCREEN CONTINUED BATCH SCREENBatch Preset Screen PRESETExit000,000pcsCONTROL INSTRUCTIONS BATCH SCREEN Batch Select Area ScreenCONTROL INSTRUCTIONS LENGTH SCREEN Batch Pre-Alarm Preset ScreenLENGTH SCREEN Enter or Delete?PRESETS TO RUN SCREEN CONTROL INSTRUCTIONS PRESET TO RUN SCREEN4-10 CONTROL INSTRUCTIONS LENGTH SCREENTIME SCREEN CONTROL INSTRUCTIONS TIME SCREENCONTROL INSTRUCTIONS PRESET TO RUN SCREEN CONTINUED4-12 CONTROL INSTRUCTIONS HOLD-OFF SCREENHOLD-OFF TIME SCREEN Holdoff00000Exit.500secCONTROL INSTRUCTIONS BLADE SPEED SCREEN SPEED0750.0rpmBLADE SPEED SCREEN CONTROL INSTRUCTIONS HOLD-OFF SCREEN4-14 CONTROL INSTRUCTIONS BLADE COUNT SCREENBLADE COUNT SCREEN CONTROL INSTRUCTIONS BLADE SPEED SCREENINSTRUCTIONS CONTROLBLADE COUNT SCREENCONTROL INSTRUCTIONS TEST CONTROL INSTRUCTIONS FUNCTION AREAS4-16 Reset Softkey3CONTROL INSTRUCTIONS TEST Reset Softkey3CONTINUED On/Off Softkey14-18 CONTROL INSTRUCTIONS CUT MODEMin SoftkeyIS00000CURRENTMINTIME.150sec MAINTMaint. AREASELECT.MENUAREAFactoryCONTROL INSTRUCTIONS MINIMUM MEASUREMENT AREACONTROL INSTRUCTIONS ENCODER AREA Maint. SoftkeyENTERPASSWORD4-20 Factory SoftkeyCONTROL INSTRUCTIONS ENCODER DIRECTION tion. INCORRECTCOUNTDIRECTIONISDIRECTION SOFTKEY Change Softkey4-22 SETTING THE SCALE FACTORCONTROL INSTRUCTIONS UNITDISTANCE SOFTKEY CONTROL INSTRUCTIONS SCALE DISTANCEENTERDISTANCEPERPER Numeric keys4-24 CONTROL INSTRUCTIONS SCALE COUNTSCOUNTS SOFTKEY Numeric keysCONTROL INSTRUCTIONS HOME OFFSET CONTROL INSTRUCTIONS HOMINGHOMING HOME OFFSET SCREEN4-26 CONTROL INSTRUCTIONS OFFSET EXAMPLEHOME OFFSET EXAMPLE CONTROL INSTRUCTIONS HOME OFFSETInputsSELECTTimeP/MAREACycles CONTROL INSTRUCTIONS PREVENTIVE MAINTENANCEPREVENTIVE MAINTENANCE SOFTKEY CONTROL INSTRUCTIONS POWER ON TIME TIME SOFTKEYPOWERONExit00000.0HrsCycles SoftkeyMACH.CYCLES00000000Exit 4-28CHECKING CUT QUALITY SC-5 CUTTERSTARTING THE Insert a piece of extrudate through the cut- ter bushingsIn Encoder and Follower modes, adjust the length MAKING ADJUSTMENTS DURING OPERATIONIn Flywheel mode, adjust blade speed Adjust blade speed in all modes except FollowerSTOPPING THE 4 Disconnect the power cord if it is equipped withWARNING Never stop the servo cut- ter by opening the knife guard 1 Press Cut On/Off soft key to stop cutting soft keyPage Maintenance Features Warnings and Cautions Maintenance Overview MAINTENANCEPreventative Maintenance Schedule Checking the Blades Cleaning the Blade Tray Lubricating the Slide Rail SystemMAINTENANCE FEATURES WARNINGS AND CAUTIONS LOCKOUT/TAGOUT WARNINGS AND CAUTIONSWARNING Voltage Hazard DANGER Sharp bladesPREVENTATIVE MAINTENANCE SCHEDULE MAINTENANCE OVERVIEWDaily Checking cutter bladesthis option. See Cleaning the Blade Tray Cleaning the blade lubrication tray if the cutterClean the clear blade guard window WeeklyDANGER Sharp blades CHECKING BLADESCHECKING THE KNIFE GUARD INSPECTING CUTTER BUSHING SCREWSLUBRICATING THE SLIDE RAIL SYSTEM OPTIONAL CLEANING THE BLADE TRAY OPTIONALBe sure the main power is disconnected and the ADJUSTING THE PROXIMITY SWITCHESCheck the depth of the proximity switch Remove the cutter bushings5-10 CHECKING ELECTRICAL CONNECTIONSMain power safety disconnect WARNING Electrical hazardCHECKING ELECTRICAL CONNECTIONS 3 Open the electrical enclosure5 Close the electrical enclosure door B-LOC LOCKING ASSEMBLY SERIES B112 INSTALLATION AND REMOVAL INSTRUCTIONS FORINSTALLATION INSTALLATION OF B-LOC LOCKING ASSEMBLIES OVER SHAFT KEYWAYSCause of a Problem Electrical Problems Product Quality Problems TROUBLESHOOTINGReplacing Safety and Proximity Switches Checking the Servo Amplifier Adjusting the Proximity Switches Checking the EncoderA FEW WORDS OF CAUTION BEFORE BEGINNINGTROUBLESHOOTING SC-5 SURE CUT Servo Knife Cutter WARNING Electrical hazardThe main problems you will see with the servo cutter are IDENTIFYING THE CAUSE OF A PROBLEMA FEW WORDS OF CAUTION DANGER Sharp bladesSymptom ELECTRICAL PROBLEMSPossible cause Solution The green start button does not illuminate when pressedty switch failed or the switch if needed. connection to it is loose Symptom Possible cause SolutionMaster safety Guard switch is badThere is a problem with the servo amplifier There is a problem with the cutter controlThere is a loose connec- tion There is an anti-jam cir- cuit signal There is a problem with the home proximity switchreducer assembly, Section Check for wiring for looseCutter mode selec- tion does not change cut mode There is a communicationHairs or strings PRODUCT QUALITY PROBLEMSBlade speed is too low The blade is too thickPRODUCT PROBLEMSQUALITY Burrs at cut site6-10 If using Nylon, it may beCracks at cut site The extrudate is too coldThe blade is misaligned The cutter bushings are not properly gapped Cut is not square. The blade speed is too lowThe knife bevel is not symmetric For rigid products the puller is too close to the cutterSafety Switch REPLACING SAFETY AND PROXIMITY SWITCHESProximity Switches Check for loose or damaged wiresDANGER Sharp blades 1 Open the flywheel clear guard windowADJUSTING THE PROXIMITY SWITCHES CHECKING THE ENCODER Check the connector that attaches the cable toCheck all connections Check the encoder cable for damage. If necesCONTINUED Encoder Mounting and General InformationCHECKING THE ENCODER 1 Open the flywheel clear guard window CHECKING THE MOTOR/REDUCER ASSEMBLY6-16 TROUBLESHOOTING SC-5 SURE CUT Servo Knife Cutter Place the cutter in any mode except follower TESTING REPEATABILITYmode Press the Cut On/Off button the cutter is activatedPage From outside the United States, call WE’RE HERE TO HELPAPPENDIX A-1 HOW TO CONTACT CUSTOMER SERVICEAPPENDIX A-2 EQUIPMENT GUARANTEE PERFORMANCE WARRANTY WARRANTY LIMITATIONSAPPENDIX B-1 CUTTER BLADE SELECTION AND USEBlade materials CUTTER BLADE SELECTION AND USE Blade DesignB-2 APPENDIX Optimizing blade speed Blade thicknessImproving cut quality by adding heat to certain materials APPENDIX B-3CUTTER BLADE SELECTION AND USE Calculating Blade InterruptionB-4 APPENDIX CUTTER BLADE SELECTION AND USE APPENDIX B-5B-6 APPENDIX CONAIR CUTTER BLADESCONAIR CUTTER BLADES PartAPPENDIX C-1 ALL ABOUT CUTTER BUSHINGSCutter bushing bore size ALL ABOUT CUTTER BUSHINGS Cutter bushing bore surface qualityC-2 APPENDIX ALL ABOUT CUTTER BUSHINGS Cutter bushing shear surface qualityAPPENDIX C-3 CAUTION Blade hazard Cutter bushing lengthC-4 APPENDIX ALL ABOUT CUTTER BUSHINGSALL ABOUT CUTTER BUSHINGS Adjusting the cutter bushing gapAPPENDIX C-5 Description of the cutting process BLADE AND BUSHING LUBRICATIONFriction and heat during cutting D-1 APPENDIXLubrication systems Common cutting lubricantsAPPENDIX D-2 BLADE AND BUSHING LUBRICATIONBLADE AND BUSHING LUBRICATION Benefits of using lubricantsD-3 APPENDIX Exit ENCODER MODE OPERATOR DISPLAY OVERVIEWEND SENSE MODE OPERATOR DISPLAY OVERVIEW FLYWHEEL MODE OPERATOR DISPLAY OVERVIEW TIMER MODE OPERATOR DISPLAY OVERVIEW FOLLOWER MODE OPERATOR DISPLAY OVERVIEW AUTO DEMAND MODE OPERATOR DISPLAY OVERVIEW MULTIBLE PRESETS ENCODER MODE EXAMPLE OPERATOR DISPLAY OVERVIEW FUNCTION AREA OPERATOR DISPLAY OVERVIEW accessed by pressing the menu buttonFUNCTION AREA OPERATOR DISPLAY OVERVIEW 12.000 in. EQUALS MAINTAINENCE AREA DISPLAY OVERVIEW