KNECHT A 95 Operating Instructions Manual Download Page 1

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Operating Instructions

Circular and Sickle Knife Grinding Machine

Status 05.2018

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Version 1.5 | Translation

A 95

Summary of Contents for A 95

Page 1: ...Operating Instructions Circular and Sickle Knife Grinding Machine Status 05 2018 Version 1 5 Translation A 95...

Page 2: ...f issue of the operating instructions May 28 2018 Copyright The copyright for these operating instructions as well as other documents for the machine operator is held by KNECHT Maschinenbau GmbH These...

Page 3: ...12 2 4 Safety regulations 13 2 4 1 Organizational measures 13 2 4 2 Protective devices 13 2 4 3 Informal safety measures 13 2 4 4 Selection and qualifications of the personnel 13 2 4 5 Machine contro...

Page 4: ...1 7 2 1 Loading the grinding program 31 7 2 2 Clamping the knife 33 7 3 Adjusting the polishing unit optional 36 7 4 Dressing the front rear grinding wheels 37 7 5 Changing the front rear grinding whe...

Page 5: ...e grinding wheel slide 59 9 4 Greasing the angle adjustment slide 59 9 5 Greasing the serrating unit optional 60 9 6 Greasing the polishing unit optional 60 9 7 Greasing the compound slide rest 61 10...

Page 6: ...7 Table of Contents 13 Appendix 68 13 1 EC Declaration of Conformity 68...

Page 7: ...tion including fault elimination in the process flow as well as servicing maintenance repair In addition to the operating instructions and the binding accident prevention regulations applica ble in th...

Page 8: ...out servicing maintenance and repair jobs on it CAUTION RISK OF INJURY FROM ABRASIVE PARTICLES DURING DRESSING warning notice on the dressing device Dressing the grinding wheel gives rise to abrasive...

Page 9: ...n in a figure then a figure or item number is add ed in brackets after the machine component Example 6 1 1 denotes figure number 6 1 item 1 Open the safety doors Set the coolant hose 6 1 1 as illustra...

Page 10: ...s particularly the Safety section and have read and understood the warning notes They have given a signed confirmation of this in writing Checks are also carried out at regular intervals to ensure tha...

Page 11: ...in such cases Use as intended includes the observance of all the instructions in the operating instructions The grinding machine is being used improperly if e g knives are sharpened without holder pla...

Page 12: ...f sub components are supplied the protective equipment must be correctly attached by the operator according to the instructions 2 4 3 Informal safety measures The operating instructions must be perman...

Page 13: ...estarting Before switching on the grinding machine ensure that no one is exposed to any risk from the start up of the machine If there are any functional faults stop the machine immediately and secure...

Page 14: ...fect condition Use only original replacement and wear parts If parts are purchased from external suppliers it cannot be guaranteed that they will be constructed and manufactured to withstand the stres...

Page 15: ...the operating instructions attachment points for hoisting equipment etc Only use suitable transport vehicles with sufficient load bearing capacity Attach the load securely Use suitable attachment poin...

Page 16: ...800 kg Voltage supply 3x 400 V Mains frequency 50 Hz Output 9 kW Power consumption 11 kW Energy consumption 14 A Back up fuse 32 A Control voltage 24 V DC Compressed air 6 5 bar 50 l min Measured A ev...

Page 17: ...ith a radius up to 600 mm in an automatic process Optionally they can also be used to measure knives for radial runout serrate re serrate knives as well as polish knife blades The knife is clamped ont...

Page 18: ...uring device optional 2 Laser pivoted 3 Front and rear grinding unit 4 SP 195 holder plate with X axis Z axis and B axis 5 Water tray 6 Adjustable machine feet 7 Polishing unit optional 8 Safety doors...

Page 19: ...angle adjustment concealed 4 Rear grinding wheel 5 Front grinding wheel 6 Scale for front angle adjustment 1 Laser button optional 2 X axis 3 B axis 4 Z axis 5 Profiling wheel optional 6 SP 195 holde...

Page 20: ...r 4 Rear grinding wheel pressure reducer 4 bar 5 Pressure monitoring 6 Front grinding wheel pressure reducer 4 bar 7 Coolant tap 1 Coolant pump concealed 2 Star knob 3 Description Figure 3 6 Water tra...

Page 21: ...al lamp yellow control on green automatic mode blue setting mode 2 Main switch 3 Cooling system Turning the main switch from 0 to I switches on the grinding machine Turning the main switch from I to 0...

Page 22: ...estart the machine continues the grinding program from the point where it was interrupted 6 Abort Program button Aborts a running program 7 RESET Error button Resets the machine control unit knife typ...

Page 23: ...s the grinding program same as the STOP button 3 8 5 9 F3 STOP after Cycle 10 F4 Home Position Holder plate moves to the home position specified in the machine data varies according to machine 11 F5 C...

Page 24: ...n The knife to be processed is selected 18 F12 Back For going back to the previous screen NOTICE The assignment of the touch panel buttons varies according to the current display screen The respective...

Page 25: ...llowing unloading after acceptance of the delivery inform KNECHT Maschinenbau GmbH and the freight forwarder about it immediately If required consult an independent expert immediately Remove the packa...

Page 26: ...rooms 5 3 Supply connections The grinding machine is delivered ready for connection with the appropriate connection cable Have a qualified electrician on site install the current supply Have the comp...

Page 27: ...e water level on the respective guide rails Dismantle all the handling devices on the machine Ensure that all the axes can be moved freely Have a qualified electrician on site install the current supp...

Page 28: ...lant hose 6 1 1 as illustrated in the figure The distance between the rear grinding wheel 6 1 2 and the front grinding wheel 6 1 3 should be approx 5 cm The coolant hose must not touch the grinding wh...

Page 29: ...ntrol unit with the Control ON button 6 3 1 ATTENTION Do not press the START button 3 8 4 under any circumstance Check the direction of rotation of the coolant pump The direction arrow 6 4 1 indicates...

Page 30: ...signal lamp 3 7 1 illuminates in yellow Press Control ON button 3 8 3 then turn key switch 3 8 9 to 0 position automatic mode 7 2 Grinding the knives 7 2 1 Loading the grinding program Press the F11...

Page 31: ...Name row 7 2 1 Check the knife image 7 2 3 abrasives used 7 2 4 7 2 5 7 2 6 7 2 7 serration tooth shape 7 2 8 and change as necessary Images and data must match the abrasives used NOTICE The number of...

Page 32: ...7 3 1 as shown in the figure ATTENTION Grease the thread since it will be damaged otherwise Only use knife that matches the holder plate compare labels Using an incorrect holder plate can damage the...

Page 33: ...fe 7 6 1 with the knife guard 7 6 2 on Never mount the knife without blade guard This can result in serious injuries CAUTION Screw on the knife with the centering screw 7 7 1 7 Operation Figure 7 6 Mo...

Page 34: ...clamping flange Place the clamping flange 7 8 1 on top and fix with the hexagon head screw 7 8 2 provided for the purpose Then tighten with the SW19 socket wrench 7 9 1 provided for the purpose Remov...

Page 35: ...ty doors 3 2 8 Open coolant tap 3 5 7 Press the START button 7 11 1 The grinding process starts 7 3 Adjusting the polishing unit optional Turn the knurled nut to adjust the polishing unit optimally to...

Page 36: ...via the F9 Manual Functions 3 9 15 main menu Move the grinding wheels to dressing position by pressing the Start button 7 13 1 on the touch panel ATTENTION Turn the Setting Mode key switch 3 8 9 to 1...

Page 37: ...ition by pressing the Start button 7 16 1 on the touch panel Open the safety doors ATTENTION Turn the Setting Mode key switch 3 8 9 to 1 position 1 h Use SW6 Allen wrench to loosen and remove the scre...

Page 38: ...ith an M8x40 screw NOTICE Two connection flanges with corresponding screws are included in the accessories ATTENTION Use only original grinding wheels Using other than original grinding wheels can cau...

Page 39: ...rning it counter clockwise with SW22 and SW10 flat wrenches Remove the profiling wheel and mount the new one in reverse sequence of steps Attach the protective hood ATTENTION Use only original profili...

Page 40: ...y in manual mode 4 F4 Reset Processing Period The processing period is reset 5 F5 Grinding Data For setting grinding data according to the knife 6 F6 Machine Data For displaying editing machine data t...

Page 41: ...errate 8 4 via F8 Settings 3 9 14 Activate Measure with F3 Enable Disable 8 4 6 and Serrate with F7 Enable Dis able 8 4 9 After activation the program is started with F1 Automatic START 3 9 7 The lase...

Page 42: ...e with F7 Enable Disable 8 4 9 The program traces the complete knife and measures the teeth in doing so The gage stops at the lowest first point Determine the grinding depth with the help of F1 PLUS 8...

Page 43: ...parameter Start At 8 4 13 the knife can be ground from a particular tooth onwards After F1 Automat ic START 3 9 7 the machine moves to this tooth and then waits for the manual setting of orientation...

Page 44: ...left of the Axes sub menu 1 F1 Moving the selected axes in direction backwards 2 F2 Activating in the respective direction in combination with F1 or F3 Rapid Traverse 3 F3 Moving the selected axes in...

Page 45: ...ate is the B axis 8 6 1 The master axis is a virtual axis and cannot be controlled manually The angle movement of the rear grinding wheel is called Grinding back 8 5 11 The angle move ment of the fron...

Page 46: ...a are saved in a file and can be loaded again from the file ATTENTION Changing the grinding data can cause mal functions and machine damage Changes may only be made under the supervision of KNECHT tec...

Page 47: ...are set in the settings under F7 Holder Data 8 1 7 Processing speed Processing speed at which the knife rotates during the grinding process mm s Front speed Rear speed Knife thickness Thickness of the...

Page 48: ...fe distance from profiling wheel while rotating Speed while approaching the knife Speed at which the knife is approached Speed during serration Speed at which serration is carried out Waiting time aft...

Page 49: ...z 2 rear Distance at which the rear grinding wheel is applied on the knife at contour start End Offset Wkz 2 rear Distance at which the rear grinding wheel is applied on the knife before contour end Y...

Page 50: ...ION Buttons highlighted in green are enabled Buttons highlighted in gray are disabled NOTICE Manual functions are not needed in normal operation During maintenance work e g when changing the grinding...

Page 51: ...4 Polishing Unit see Chapter 8 5 5 13 F10 Save For saving changes 14 F11 Mode 15 F12 Back For going back to the previous screen 8 5 2 Front grinding wheel 1 Switch front grinding wheel drive On Off 2...

Page 52: ...rofiling wheel drive On Off 2 Switch counter clockwise rotation of profiling wheel drive On Off 3 Move contour scanner to measuring position 4 Move contour scanner to home position 5 Switch minimum qu...

Page 53: ...rrors that are hindering the operation of the machine at a particular moment Furthermore the sub menu informs as to which errors have occurred and since when they have been active NOTICE No settings c...

Page 54: ...Grinding Wheel Shows the start end offset of the contour relative to the front grinding wheel 5 F7 Rear Grinding Wheel Shows the start end offset of the contour relative to the rear grinding wheel 6 F...

Page 55: ...e Limits 3 F12 Back For going back to the previous screen 8 9 Knife selection The Open dialog box 8 25 from Windows ap pears The folder C Product is displayed auto matically The grinding programs for...

Page 56: ...s of the machine change software settings and install or edit new grinding programs Team Viewer the program pre installed on your machine is needed for setting up the internet connection An active int...

Page 57: ...rim The water tray can be pulled out in front for filling and cleaning 9 1 1 Coolant additive Do not add any coolant additives to the coolant ATTENTION Do not allow the laser to come into contact with...

Page 58: ...angle adjustment slide To grease the slide open the safety doors of the machine Place grease gun on the two front lubrication points 9 3 and lubricate the slide Place grease gun on the two rear lubri...

Page 59: ...r customary make Press one round of grease into the lubrication point once a month 9 6 Greasing the polishing unit optional To grease the polishing unit open the safety doors of the machine Place grea...

Page 60: ...ts 9 9 and lubricate the compound slide rest from the side Place grease gun on the three lubrication points 9 10 and lubricate the compound slide rest from below We recommend OEST Multi Purpose Grease...

Page 61: ...ns on the knife after the honing wheel Have the program run in the other direction of rotation or add a second step only honing Grinding wheel no longer touches the knife Change Y axis offset in the p...

Page 62: ...ta 10 1 4 Serrating Malfunction Fault Remedy Tooth shape is not pronounced Wrong profiling wheel is mounted too thin Check profiling wheel Profiling wheel is worn out Change profiling wheel Tooth shap...

Page 63: ...been displaced Re align the laser limit stop via the adjusting screw and check on empty holder plate Holder plate has twisted Check position with setting gage Serration is not uniform throughout Lase...

Page 64: ...d out by a qualified specialist company 11 2 Disposal At the end of the machine service life it must be disposed of by a qualified specialist company In exceptional cases and in agreement with KNECHT...

Page 65: ...u need spare parts please use the spare parts list provided with the machine Please place your order as shown below Please always include the following information Example Machine type A95 Machine ser...

Page 66: ...g wheel EK d 100x60xd 40 K320 412B 80 0798 Grinding wheel EK brown d 100x60xd 40 K320 412B 80 0825 Grinding wheel EK d 100x60xd 40 K800 412B 80 0800 25 Grinding wheel EK d 100x60xd 40 K800 412B 80 080...

Page 67: ...out our consent Designation of the machine Circular and Sickle Knife Grinding Machine Type designation A 95 Applicable harmonized standards DIN EN ISO 12100 1 in particular DIN EN ISO 12100 2 DIN EN 6...

Page 68: ...KNECHT Maschinenbau GmbH Witschwender Stra e 26 88368 Bergatreute Germany T 49 7527 928 0 F 49 7527 928 32 mail knecht eu www knecht eu...

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KNECHT A 95, Operating Instructions Manual

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