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9.  Care and maintenance 

9.3  Maintenance plan (one-shift operation)

Cycle

Assembly

Maintenance task

Daily

Polishing pastes

Check paste length. Replace if below 80 mm or if 
the corresponding message has appeared.

Polishing / deburring  unit

Set ring distance. Replace if the diameter is less 
than 165 mm.

Knife magazine

Dismantle and clean knife magazine.

Machine interior

Clean thoroughly using a brush or cloth.

Coolant unit

Drain water out, clean trough.

Weekly

Grinding belt drive

Open belt protection hood and clean the area of 
the grinding belt.

Suction unit

Empty suction unit tray.

Check filter cartridge, remove and clean or replace 
as needed.

 

Clean interior and exterior of machine. Attention! 
The polishing / deburring rings cannot be wet.

Monthly

Gripper

Unscrew gripper and clean seal surface.

Semi-annually

Grinding belt drive

Remove and clean flow gauge.

Annually

Contact service department of KNECHT Maschinen-
bau GmbH.

Summary of Contents for E 50 R

Page 1: ...Status 02 2020 Version 1 0 Translation Operating Instructions E 50 R Fully Automatic Hand Knife Sharpening Machine...

Page 2: ...Date of issue of the operating instructions February 14 2020 Copyright The copyright for these operating instructions as well as other documents for the machine operator is held by KNECHT Maschinenbau...

Page 3: ...2 3 Warranty and liability 12 2 4 Safety regulations 13 2 4 1 Organizational measures 13 2 4 2 Protective equipment 13 2 4 3 Informal safety measures 13 2 4 4 Selection and qualification of personnel...

Page 4: ...justing the wet grinding belt 33 7 3 Changing the polishing deburring rings and polishing paste 36 7 4 Adjusting the polishing deburring ring 38 7 5 Changing the test medium of the sharpness testing d...

Page 5: ...sembly 53 10 2 Disposal 53 11 Service spare parts and accessories 54 11 1 Postal address 54 11 2 Service 54 11 3 Spare parts 54 11 4 Accessories 55 11 4 1 Abrasives used etc 55 12 Annex 56 12 1 EC Dec...

Page 6: ...llation commissioning operation including error rectification during operation as well as servicing maintenance repair Recognized technical standards for safe and professional work must be observed in...

Page 7: ...e grinding machine must be separated from the mains supply before carrying out servicing maintenance and repair work on it 1 3 2 General mandatory signs The following general mandatory signs must be f...

Page 8: ...The rating plate is located on the right side of the machine behind the switch cabinet The machine serial number is located on the rating plate and on the gripper 1 Important notes Figure 1 1 Rating p...

Page 9: ...number will be given in parentheses Example 7 18 1 means Figure number 7 18 position 1 To replace the polishing pastes loosen the four star han dles 7 18 1 on the side and remove the cover 7 18 2 The...

Page 10: ...ad and understood the operating instructions in particular the section entitled Safety and the warning notes and have provided signed confirmation of this The safety related work of personnel will be...

Page 11: ...e notes in the operating instructions The grinding machine is being used improperly if for example fixtures are not properly attached knives are sharpened polished in the opposite direction of the cut...

Page 12: ...art When subcomponents are provided the protective equipment must be attached by the operator as stipulated 2 4 3 Informal safety measures The operating instructions must be permanently available at t...

Page 13: ...n the grinding machine and secure it against restart Before activating the grinding machine ensure that no one will be injured by the start up of the machine In the event of a malfunction immediately...

Page 14: ...e not in a serviceable state Use only original replacement and wear parts When using external parts it cannot be guaranteed that they are constructed and manufactured to be suitable and safe 2 4 11 Cl...

Page 15: ...the operating instructions attachment points for load suspension devices etc Use only a suitable transport vehicle with sufficient carrying capacity Secure loads safely Use suitable attachment points...

Page 16: ...rature 10 35 C Allowable air humidity 20 80 Weight 1200 kg Current supply 3x 400 V Mains frequency 50 60 Hz Output 8 KW Energy consumption 11 A Back up fuse 25 A Control voltage 24 V DC Measured A eva...

Page 17: ...from the company Dick was ground 3 3 Functional description The E 50 R fully automatic hand knife grinding machine is used to grind deburr and polish hand knives The hand knives are inserted into the...

Page 18: ...n 3 4 Description of components 1 Protection doors 2 Knife magazine 3 Magazine trolley 4 Controller and switch cabinet 5 Water tray 6 Adjustable machine feet 1 2 3 6 5 1 4 Figure 3 2 Overall view of g...

Page 19: ...20 3 Description 1 Robot 2 Knife gripper 3 Sharpness testing device optional 4 Polishing unit 5 Suction unit 6 Measuring device 7 Deburring unit 8 Grinding unit Figure 3 3 Interior 4 5 3 1 7 6 8 2...

Page 20: ...B port 7 Servicing on off key switch position 1 for setup mode position 0 for automatic mode 8 ON OFF main switch 9 Lockout tagout only on machines for the USA 3 4 2 Switching the grinding machine on...

Page 21: ...activated deactivated 8 Grinding belt number of cycles and grinding time wet grinding belt rotated 9 Gripper Tapping the gripper symbol opens closes knife gripper 10 Processing duration current and l...

Page 22: ...e back 26 Cancel program cancel current knife program and begin grinding process from beginning 27 Product data load different grinding program for product file loaded see 3 6 2 28 Back switch to prev...

Page 23: ...after unloading when accepting delivery notify KNECHT Maschinenbau GmbH and the forwarding agent immediately Refer directly to an independent specialist as needed Remove the packaging and shipping st...

Page 24: ...g machine see section 3 2 The machine may only be stored or operated in dry rooms The temperature must be between 10 C and 35 C 5 3 Supply connections The grinding machine can be connected upon delive...

Page 25: ...l protective equipment checked by authorized trained personnel before commissioning the machine No work on the machine is to be performed unless by trained personnel Observe the locally applicable saf...

Page 26: ...Do not use any coolant additives Connect power plugs CEE plugs with the on site outlet 3x 400 V 32 A Plug in the compressed air hose at the compressed air connection 6 2 1 Hang pump in water trough an...

Page 27: ...ATTENTION In manual mode switch on the polishing unit see section 8 1 Under no circumstances should the grinding program be activated using the Start Stop button 3 4 4 Check the direction of rotation...

Page 28: ...ding program begins here ATTENTION The hand knives must be cleaned before they are placed in the knife magazine The cutting edge must face away from the machine in the direction of the operator The kn...

Page 29: ...rinding program starts automatically The machine picks up one hand knife after the other measures the blade profile grinds the left and right knife flank respectively polishes the blade checks the sha...

Page 30: ...old grinding belts 7 5 1 and then attach the new ones Press the Replace belt touchpanel button 3 6 23 again in order to have the gripper close the belt protection hood The grinding belts are tightene...

Page 31: ...on the main screen near the grinding time 7 8 1 NOTICE After the wet grinding belts have been replaced or rotated perform a trial run If the machine behaves unusually take it out of service and corre...

Page 32: ...e To adjust the left wet grinding belt set the provide star handle 7 11 1 onto the pivot rod 7 11 2 Then rotate until the left wet grinding belt runs approx 3 mm in front of the contact disc Remove th...

Page 33: ...ngs touchpanel button 7 12 1 on the main screen Switch to the Manual functions view 7 14 using the Manual functions touchpanel button 7 13 1 Press the Grinding belt touchpanel button 7 14 1 to access...

Page 34: ...manual functions 7 Operation 1 2 Switch on the right wet grinding belt Grinding belt right CW via the On touchpanel button 7 15 1 Switch on the left wet grinding belt Grinding belt right CCW via the...

Page 35: ...anner 7 17 2 NOTICE After replacing the polishing deburring ring perform a trial run If the machine behaves unusually take it out of service and correct the cause ATTENTION The left shaft 7 17 3 has a...

Page 36: ...n the four star handles 7 18 1 on the side and remove the cover 7 18 2 The used paste can now be replaced with new paste Mount the cover again and tighten the four star handles Figure 7 18 Replacing t...

Page 37: ...ded with the accessories Replace polish ing deburring rings with a of 165 mm The Allen screw has a right hand thread Clockwise rotation the rings move away from one another Counterclockwise rotation t...

Page 38: ...s testing device Open the doors to the sharpness testing device 7 20 on the left side of the machine Turn the locking screw 7 21 1 counterclockwise and remove Remove the used test medium 7 21 2 Insert...

Page 39: ...d the pipe in the rear of the water trough horizontally for emptying Use clean tap water without additives for the coolant ATTENTION Do not operate the machine without coolant This may damage the hand...

Page 40: ...an be run individually ATTENTION Buttons highlighted in green are enabled Buttons highlighted in gray are disabled NOTICE No function can be enabled if the protection doors are not closed The Settings...

Page 41: ...42 Figure 8 3 Manual functions Functions in manual mode can be switched on or off via the On or Off buttons Use the bottom touchpanel buttons to select the various options 8 Control...

Page 42: ...8 4 1 switches to the Settings view 8 5 The Options touchpanel button 8 5 1 switches to the Options view 8 6 The Language touchpanel button 8 6 1 switches to the Language view 8 7 8 Control Figure 8...

Page 43: ...44 1 8 Control Select the desired language Press the back touchpanel button 8 7 1 to return to the main menu Figure 8 7 Language...

Page 44: ...y lead to machine and or knife damage Switch to the Product data view 8 9 using the Product data touchpanel button 8 8 1 After switching on the product from the last process will be activated automati...

Page 45: ...hine and or knife damage The Settings touchpanel button 8 10 1 switches to the Settings view 8 11 The Product data touchpanel button 8 11 1 switches to the Product data view 8 12 Select the desired pa...

Page 46: ...oftware settings and load or edit new grinding programs An active internet connection is required to estab lish the connection NOTICE During commissioning configure the VPN router according to the spe...

Page 47: ...aintenance 9 1 Lubrication 9 1 1 Lubrication schedule and lubricant table one shift operation Lubrication work Cycle OEST SHELL EXXON Mobil Lubricate motor for abrasive belt drive Monthly Multi purpos...

Page 48: ...and clean container ATTENTION The polishing and deburring rings cannot be wet as they can only accept the polishing paste and properly deburr the knife when dry The cross table parts cannot become wet...

Page 49: ...ge may be cleaned with water ATTENTION Do not spray filter cartridge with the high pressure washer Insert the filter cartridge only when dry Do not continue to use damaged filter car tridges The flow...

Page 50: ...agazine daily and clean with a steam jet outside the machine To disman tle loosen the star handles 9 6 1 and turn the magazine upside down The metal sheet can now be removed To install perform this op...

Page 51: ...nterior Clean thoroughly using a brush or cloth Coolant unit Drain water out clean trough Weekly Grinding belt drive Open belt protection hood and clean the area of the grinding belt Suction unit Empt...

Page 52: ...a qualified specialist 10 2 Disposal After the machine has reached the end of its service life it must be disposed of by a qualified specialist In certain situations and after consultation with KNECHT...

Page 53: ...n need of spare parts please use the spare parts list provided with the machine Please make your order using the format provided in the following When ordering please always provide example Machine mo...

Page 54: ...ing right HT polishing ring d 180x6xd 32 412N 05 0180 Installed on delivery RAPID polishing paste 50x60x250 412R 05 0825 Installed on delivery ATTENTION Do not use any other abrasives without the appr...

Page 55: ...e designation Fully Automatic Hand Knife Sharpening Machine Model designation E 50 R Applicable harmonized standards DIN EN ISO 12100 in particular DIN EN ISO 13849 1 DIN EN ISO 13857 DIN EN ISO 16089...

Page 56: ...KNECHT Maschinenbau GmbH Witschwender Strasse 26 88368 Bergatreute Germany T 49 7527 928 0 F 49 7527 928 32 mail knecht eu www knecht eu...

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