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Conair SC-5 manual Product Quality Problems, Hairs or strings, Blade speed is too low, Symptom

Models: SC-5

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PRODUCT

PRODUCT

QUALITY

PROBLEMS

Look in this section when the final product does not meet standards: has strings, burrs, cracks, or is misshaped.

Symptom

Possible cause Solution

◆ Hairs or strings.

Blade speed is too low.

Increase the blade speed or decrease the blade cut path area (blade width)

The blade is too thick.

Excessive blade thickness can cause frictional heat. Use a thinner blade.

The blade is wrong for the application.

Change angle of the blade attack or the blade style to decrease the cut path area.

Material is building up on the blade and wiping off on the cut site.

There are imperfections on the blade.

Use blade lubrication (water, etc.) or change lubricants. Consider a blade wiping sys- tem.

The cutting edge should not have grind marks, burrs or other imperfections. Check the blade and replace if necessary.

A hole or slot in the blade Change blade design. cut path is causing a

‘cheese grater’ effect.

The extrudate is too cold. If the extrudate is too cold, it can fracture during cutting. Raise the extrudate's tempera- ture.

6-8

TROUBLESHOOTING SC-5 SURE CUT Servo Knife Cutter

UGE059/1003

Image 86

Conair SC-5 manual Product Quality Problems, Hairs or strings, Blade speed is too low, The blade is too thick, Symptom

Contents

Instant Access Parts and Service SC-5 Servo ModelInstallation Operation Maintenance Troubleshooting Sure Cut Rotary Knife CutterDocument Number Serial numbers Model numbers Power Specifications Amps Volts PhaseDate CycleINTRODUCTION INSTALLATIONTABLE OF CONTENTS DESCRIPTIONPARTS/DIAGRAMS MAINTENANCETROUBLESHOOTING APPENDIXPurpose of the User Guide How the User Guide is organized no one gets hurt How to Use the Lockout DeviceINTRODUCTION Your Responsibilities as a User ATTENTION Read this soYOUR RESPONSIBILITY AS A USER PURPOSE OF THE USER GUIDEHOW THE USER GUIDE IS ORGANIZED DANGER Sharp blades READ THIS SO NO ONE GETS HURTREAD 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 WARNING Electrical hazard HOW TO USE THE LOCKOUT DEVICEelectrical power 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 SC-5 SURE CUT? WHAT IS THEMechanical Features FlywheelSC-5 SURE CUT? CONTINUEDWHAT IS THE DESCRIPTIONTYPICAL APPLICATIONS Cutting from Below the Bushing HolderHOW THE SC-5 SURE CUT WORKS DESCRIPTION HOW THE SC-5 SURE CUT WORKSCONTINUED The SC-5 Sure Cut Servo Cutter features FEATURESSPECIFICATIONS SC-5Blade Wipe OPTIONAL EQUIPMENTSlide Base Custom Bushing Holder Sizes AvailableLeft to Right Machine Operation Discharge ConveyorIsolation Transformer Special Paint Type or ColorPage Sure Cut Connecting the Main Power Source Installing the Encoder INSTALLATIONUnpacking the Boxes Preparing for Installation Positioning the SC-5 Installing the Cutter Blades Mounting the Cutter BushingsCAUTION Lifting You are now ready to begin installationUNPACKING THE BOXES Carefully uncrate the cutter and its compo- nentsPREPARING FOR INSTALLATION 1 You need these tools for installationCAUTION Lifting POSITIONING THE SERVO CUTTERDetermine the best distance from the belt puller to Measure the centerline height of the extrudate as Adjust the cutters floorlock/caster assemblyAlign the cutter with the extrusion line POSITIONING THE SERVO CUTTERCONNECTING THE MAIN POWER SOURCE WARNING Electrical hazardINSTALLING THE ENCODER CAUTION Handle with careDANGER Sharp blades INSTALLING THE CUTTER BLADESInstalling the Cutter Blades TIP We recommend that you INSTALLING THE CUTTER BLADESCONTINUED MOUNTING THE CUTTER BUSHINGS Installation of the bushing7 Tighten the two screws in the housing to lock in the bushings 3-10CHECKING THE ALIGNMENT OF THE BUSHINGS Close the safety coverTurn on the Power Rotary main disconnect Checking the Alignment of bushing to bladeType of Cutter CHECKING REPEATABILITY3-12 Repeatability TimeMake sure all components are installed according TESTINGTESTING THE Check that all wiring conforms to electricalPage Maintenance Area Encoder Area Unit of Measure Scale Distance Homing The Cutter Control Before Starting Powering Up Main ScreenTotal Screen Batch Screen Length Screen Preset to Run Time Preset Offset Example Preventative Maintenance Power On TimeNumeric keys OPERATOR CONTROL FEATURESSoft Keys Fixed Function Keys at BottomBEFORE STARTING POWERING UPMake sure that the Cut Enable is Off Make sure the E-Stop button is in the out, extended positionCONTINUED Power UpEdictVerSequence.-975.05Runtime.134POWERING UP OPERATOR CONTROL INSTRUCTIONS MAIN SCREEN Active PresetParts1ENC00000Off.000in MAIN SCREENCONTROL INSTRUCTIONS TOTAL SCREEN Parts TotalSelectSELECTAreaExitPARTSScreenAREABatchCONTROL INSTRUCTIONS TOTAL SCREENCONTROL INSTRUCTIONS TOTAL SCREEN CONTINUED Reset Softkey3CONTROL INSTRUCTIONS BATCH SCREEN BATCH SCREENCONTROL INSTRUCTIONS BATCH SCREEN PRESETExit000,000pcsBatch Preset Screen Batch Select Area ScreenLENGTH SCREEN Batch Pre-Alarm Preset ScreenCONTROL INSTRUCTIONS LENGTH SCREEN Enter or Delete?4-10 CONTROL INSTRUCTIONS PRESET TO RUN SCREENPRESETS TO RUN SCREEN CONTROL INSTRUCTIONS LENGTH SCREENCONTROL INSTRUCTIONS PRESET TO RUN SCREEN CONTROL INSTRUCTIONS TIME SCREENTIME SCREEN CONTINUEDHOLD-OFF TIME SCREEN CONTROL INSTRUCTIONS HOLD-OFF SCREEN4-12 Holdoff00000Exit.500secBLADE SPEED SCREEN SPEED0750.0rpmCONTROL INSTRUCTIONS BLADE SPEED SCREEN CONTROL INSTRUCTIONS HOLD-OFF SCREENBLADE COUNT SCREEN CONTROL INSTRUCTIONS BLADE COUNT SCREEN4-14 CONTROL INSTRUCTIONS BLADE SPEED SCREENBLADE COUNT CONTROLINSTRUCTIONS SCREEN4-16 CONTROL INSTRUCTIONS FUNCTION AREASCONTROL INSTRUCTIONS TEST Reset Softkey3CONTINUED Reset Softkey3CONTROL INSTRUCTIONS TEST On/Off Softkey1CONTROL INSTRUCTIONS CUT MODE 4-18CONTROL INSTRUCTIONS MINIMUM MEASUREMENT MAINTMaint. AREASELECT.MENUAREAFactoryMin SoftkeyIS00000CURRENTMINTIME.150sec AREA4-20 Maint. SoftkeyENTERPASSWORDCONTROL INSTRUCTIONS ENCODER AREA Factory SoftkeyDIRECTION SOFTKEY tion. INCORRECTCOUNTDIRECTIONISCONTROL INSTRUCTIONS ENCODER DIRECTION Change SoftkeyCONTROL SETTING THE SCALE FACTOR4-22 INSTRUCTIONS UNITENTERDISTANCEPERPER CONTROL INSTRUCTIONS SCALE DISTANCEDISTANCE SOFTKEY Numeric keysCOUNTS SOFTKEY CONTROL INSTRUCTIONS SCALE COUNTS4-24 Numeric keysHOMING CONTROL INSTRUCTIONS HOMINGCONTROL INSTRUCTIONS HOME OFFSET HOME OFFSET SCREENHOME OFFSET EXAMPLE CONTROL INSTRUCTIONS OFFSET EXAMPLE4-26 CONTROL INSTRUCTIONS HOME OFFSETInputsSELECTTimeP/MAREACycles CONTROL INSTRUCTIONS PREVENTIVE MAINTENANCEPREVENTIVE MAINTENANCE SOFTKEY Cycles SoftkeyMACH.CYCLES00000000Exit TIME SOFTKEYPOWERONExit00000.0HrsCONTROL INSTRUCTIONS POWER ON TIME 4-28STARTING THE SC-5 CUTTERCHECKING CUT QUALITY Insert a piece of extrudate through the cut- ter bushingsIn Flywheel mode, adjust blade speed MAKING ADJUSTMENTS DURING OPERATIONIn Encoder and Follower modes, adjust the length Adjust blade speed in all modes except FollowerWARNING Never stop the servo cut- ter by opening the knife guard 4 Disconnect the power cord if it is equipped withSTOPPING THE 1 Press Cut On/Off soft key to stop cutting soft keyPage Preventative Maintenance Schedule Checking the Blades MAINTENANCEMaintenance Features Warnings and Cautions Maintenance Overview Cleaning the Blade Tray Lubricating the Slide Rail SystemMAINTENANCE FEATURES WARNINGS AND CAUTIONS WARNING Voltage Hazard WARNINGS AND CAUTIONSLOCKOUT/TAGOUT DANGER Sharp bladesDaily MAINTENANCE OVERVIEWPREVENTATIVE MAINTENANCE SCHEDULE Checking cutter bladesClean the clear blade guard window Cleaning the blade lubrication tray if the cutterthis option. See Cleaning the Blade Tray WeeklyCHECKING BLADES DANGER Sharp bladesINSPECTING CUTTER BUSHING SCREWS CHECKING THE KNIFE GUARDCLEANING THE BLADE TRAY OPTIONAL LUBRICATING THE SLIDE RAIL SYSTEM OPTIONALCheck the depth of the proximity switch ADJUSTING THE PROXIMITY SWITCHESBe sure the main power is disconnected and the Remove the cutter bushingsMain power safety disconnect CHECKING ELECTRICAL CONNECTIONS5-10 WARNING Electrical hazardCHECKING ELECTRICAL CONNECTIONS 3 Open the electrical enclosure5 Close the electrical enclosure door INSTALLATION INSTALLATION AND REMOVAL INSTRUCTIONS FORB-LOC LOCKING ASSEMBLY SERIES B112 INSTALLATION OF B-LOC LOCKING ASSEMBLIES OVER SHAFT KEYWAYSReplacing Safety and Proximity Switches Checking the Servo Amplifier TROUBLESHOOTINGCause of a Problem Electrical Problems Product Quality Problems Adjusting the Proximity Switches Checking the EncoderTROUBLESHOOTING SC-5 SURE CUT Servo Knife Cutter BEFORE BEGINNINGA FEW WORDS OF CAUTION WARNING Electrical hazardA FEW WORDS OF CAUTION IDENTIFYING THE CAUSE OF A PROBLEMThe main problems you will see with the servo cutter are DANGER Sharp bladesPossible cause Solution ELECTRICAL PROBLEMSSymptom The green start button does not illuminate when pressedMaster safety Symptom Possible cause Solutionty switch failed or the switch if needed. connection to it is loose Guard switch is badThere is a loose connec- tion There is an anti-jam cir- cuit signal There is a problem with the cutter controlThere is a problem with the servo amplifier There is a problem with the home proximity switchCutter mode selec- tion does not change cut mode Check for wiring for loosereducer assembly, Section There is a communicationBlade speed is too low PRODUCT QUALITY PROBLEMSHairs or strings The blade is too thickQUALITY PROBLEMSPRODUCT Burrs at cut siteCracks at cut site If using Nylon, it may be6-10 The extrudate is too coldThe knife bevel is not symmetric Cut is not square. The blade speed is too lowThe blade is misaligned The cutter bushings are not properly gapped For rigid products the puller is too close to the cutterProximity Switches REPLACING SAFETY AND PROXIMITY SWITCHESSafety Switch Check for loose or damaged wiresDANGER Sharp blades 1 Open the flywheel clear guard windowADJUSTING THE PROXIMITY SWITCHES Check all connections Check the connector that attaches the cable toCHECKING THE ENCODER 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 mode TESTING REPEATABILITYPlace the cutter in any mode except follower Press the Cut On/Off button the cutter is activatedPage APPENDIX A-1 WE’RE HERE TO HELPFrom outside the United States, call HOW TO CONTACT CUSTOMER SERVICEEQUIPMENT GUARANTEE PERFORMANCE WARRANTY WARRANTY LIMITATIONS APPENDIX A-2APPENDIX B-1 CUTTER BLADE SELECTION AND USEBlade materials CUTTER BLADE SELECTION AND USE Blade DesignB-2 APPENDIX Improving cut quality by adding heat to certain materials Blade thicknessOptimizing blade speed APPENDIX B-3CUTTER BLADE SELECTION AND USE Calculating Blade InterruptionB-4 APPENDIX APPENDIX B-5 CUTTER BLADE SELECTION AND USECONAIR CUTTER BLADES CONAIR CUTTER BLADESB-6 APPENDIX 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 C-4 APPENDIX Cutter bushing lengthCAUTION Blade hazard ALL ABOUT CUTTER BUSHINGSALL ABOUT CUTTER BUSHINGS Adjusting the cutter bushing gapAPPENDIX C-5 Friction and heat during cutting BLADE AND BUSHING LUBRICATIONDescription of the cutting process D-1 APPENDIXAPPENDIX D-2 Common cutting lubricantsLubrication systems BLADE AND BUSHING LUBRICATIONBLADE AND BUSHING LUBRICATION Benefits of using lubricantsD-3 APPENDIX ENCODER MODE OPERATOR DISPLAY OVERVIEW ExitEND 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 MAINTAINENCE AREA DISPLAY OVERVIEW 12.000 in. EQUALS