MC-Balance User Manual 4.0.UK.00

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7.5 Loadcell calibrationWhen using a MC-Balance for the first time do an initial load cell calibration as follows:• The unit must be mounted horizontally (water leveled)• Avoid vibrations during the load cell calibration. This will influence the calibration.• Do not touch the unit during load cell calibration.• When using a slide the whole unit has to be slid in against the neckpiece and fixed.• Be sure that the Balance load cell is connected to the controller• Go to the LOAD CELL • In this menu it is possible to calibrate the load cell of MC-Balance(500gr. Calibration weight required)• Select YES to start the load cell calibrationLOADCELL CALIBRATION[***][***] = ProgressStatusCalibration busy.Please wait…………..• After a few minutes the following screen appears:LOADCELL CALIBRATION[***]StatusPlace weight, pressSTART when ready.Place calibration weight (500 gr.) on the hopperand press the START button• After approx. 1 minute the load cell calibration is ready, press the MENU button to continue.• To check if the load cell calibration was OK, go to the WEIGHT CHECK WEIGHT CHECKWeight: gr. >
7.6 Material Pre-calibrationThe MC-Balance mainly can be started in two ways:1) Start the unit without pre-calibration of material.After pressing the START button the unit starts dosing on a speed that is based on default curveswhich are pre-programmed in the controller. After start up the unit continues with self calibrating tothe Setpoint.2) Start the unit with pre-calibration of material (OFF-LINE).After pressing the START button the unit starts dosing on an speed that is based on materialcalibrations made by the user which are stored in the controller. After start up the unit continueswith fine tuning to the Setpoint.What is the function of a material Pre-calibration ?With a pre-calibration it is possible to calibrate the unit before production is started, in this way thetime needed to come in spec. can be reduced. The MC-Balance is a gravimetric / loss in weightdosing unit. When starting up the dosing unit for a new production run there is no direct informationavailable about the loss in weight. Of course you want the dosing unit to reach his setpoint with thematching speed of the motor (RPM) as quick as possible. Starting the unit with a speed that isalready most near to the set point will achieve quick regulation. The correct RPM at the start of thedosing unit can be determined automatically with a pre-calibration.The pre-calibration can be done in two ways (see below)1) Unit with option slide frame: 2) Unit without optional slide mechanism:Slide the frame with unit backwards till the “click”Take out the dosing unit and put it on the frame like shown• It is important that during calibration the dosing unit is mounted fixed and horizontally and alsovibration free.• Before starting a material calibration be sure the hopper is filled with material sufficient.• Be sure that the loadcell cable is connected to the MC-Balance controller.Following parameters will be stored with a Material calibration, depending on the configuration:• CONFIGURATION parameters: Cylinder type : type of dosing cylinder or feed screwMaterial Type : Normal or micro-granules• PRODUCTION parameters: Shotwth. : Shot weightcolor% : Color amount (%)dos.time : Dosing time (sec)Ext. cap. : Extruder capacity (kg/h)• CALIBRATION parameters: Material name : Name of calibrated material22MC-Balance manual
Page 1: MC-BalanceUser Manual 4.0.UK.00Soft
Page 4 and 5: 1. IntroductionThank you for purcha
Page 6 and 7: 3. Overview Dosing unit3.1 MC-Balan
Page 8 and 9: 4. Metering principleThe Dosing Cyl
Page 10: All Movacolor dosing units are stan
Page 14 and 15: APPENDIX A SHOWS THE PRINT VIEW WHI
Page 16 and 17: 7.2 Start up & LoginDirectly after
Page 18 and 19: 7.4 ConfigurationFor initial setup
Page 20 and 21: The maximum voltage that can be app
Page 22 and 23: Configuration: DeviationalarmSettin
Page 26 and 27: How to make a material calibration?
Page 28 and 29: INJECTION MOULDINGThe following par
Page 30 and 31: 7.8 Auto/Manual regulation mode & S
Page 32 and 33: 7.10 Filling the hopper.MANUAL FILL
Page 34 and 35: GeneraliThe hopper loader is only a
Page 36 and 37: Recommended settings for ME hopper
Page 38 and 39: WARNINGSAll warnings are self elimi
Page 40 and 41: 7.14 Event LOGSetting changes made
Page 42 and 43: 9. Trouble shootingProblem : The ba
Page 44 and 45: 41MC-Balance manualPOTENTIAL FREE P
Page 46 and 47: APPENDIX D: MC-Bal. Drawings Genera
Page 48 and 49: General dimension MC-Balance + MV25
Page 50 and 51: APPENDIX E: MC-Bal. Decl. of Confor

MC-Balance User Manual 4.0.UK.00

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