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Knife Grinder Instruction Book
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Knife Grinder Instruction Book

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SHANDONG MINGHUNG WOOD MACHINERY CO.,LTD

INSTRUCTION KNIFE GRINDER               

                   Contact: 0086 18769900191

Website:  www.plywoodmachineline.com

SHANDONG MINGHUNG WOOD MACHINERY CO.,LTD

knife grinder machine

Adjust Machine

After adjusting and tightening each part, start to connect the power cord, first introduce the three-phase four-wire power cord from the outside and connect it to the wiring terminal at the lower right corner of the electric control box IMG_20220303_111910IMG_20220303_111746

After connecting the power cord, close the power switch, tuwards  the right, turn on the emergency stop button main switchMINGHUNG knife grinder Instruction Book1,press the fast elevator buttonMINGHUNG Knife Grinding MachineInstruction Book,Confirm whether the direction of the power cord of the machine tool is correct, and then proceed to the next step. (If the operating direction of the machine tool is inconsistent with the direction of the button mark, immediately press the emergency stop button and cut off the external mains power supply. Change any two adjacent live wires of the three-phase 380V live wire to ensure that the button mark is consistent with the direction of the machine.)


Operation Steps


Keep the electromagnetic chuck workbench level and clean, put knife on it, and require that the distance between the knives at both ends of the blade protruding from the front edge of the electromagnetic chuck is equal (usually 20mm).


After adjust knife position, turn right of “the emergency stop” main switch, MINGHUNG knife grinder Instruction Book1. then open the rotary switch of electromagnetic chuckMINGHUNG grinder knife Instruction Book, after the electromagnetic chuck is energized, the blade will be firmly attached to the workbench. Adjust the required angle of workbench according to your needs (there is a scale on the left side of the machine)MINGHUNGKnife Grinder Machine Instruction Book.

Decline the grinding head by fast Elevator button MINGHUNG Knife Grinding MachineInstruction Book until close to knife, then press the walk button minghung knife grinding machine Instruction Book, machine head will start move, then open the pump button MINGHUNG Knife grinding machine Instruction Book (2), machine cooling pump will start have water, then open the grinding wheel start buttonInstruction Book, the grinding wheel of grinding head will start running, shake the hand wheel make the grinding wheel touch the knife, setting up the automatic grinding size, and make it automatic, then the machine will automatic cycle grinding knife.

Please note: when grinding, the automatic grinding size can not too big, avoid burn the knife.

When there has burr on the knife edge,that mean the knife finish grinding(according to the use condition of knife, deciding how much grinds), this time should not grinding again, let the machine continue working for polishing the knife edge. Using oilstone clear away the burr, thus the whole grinding process finish.


Lubrication and maintenanceIMG_20220303_113054

The guide and the up & down forked tail of slicing plate should inject hj-30 machine oil per shift.

Instruction Book (3)Instruction Book (4)Instruction Book (2)IMG_20220303_112944


Feeding screw of up&down sliding plate, worm and gear, and Turbine box should inject hj-30 machine oil every week.

Instruction Book (5)Instruction Book (6)IMG_20220303_113715


The gearbox should change gear oil every three months.

Instruction Book (7)IMG_20220303_111858


The bottom of cooling water pump should clean often for keep common water yield and life span.


Since the electromagnetic chuck is used in harsh conditions, it is necessary to pay more attention to the anti-rust treatment. The surface of the disk should be wiped clean every time before grinding and after grinding. And wear anti-rust oil.  (the  electromagnetic chuck should grounding so as not to hurt people due to leakage).


Regularly check the flatness of the workbench. If the parallelism is not achieved, should grinding the workbench surface until the parallelism between the electromagnetic workbench and the travel guide is not less than 0.02/1000mm

Regularly check whether the electrical component contacts are firm and not loose


Problems and Solutions

Problem

Reason

Solution

Appear rippel on knife, especially two side of knife

The bearing gap of the grinding head motor is too large, and the motor spindle moves up and down.

Loose the stop ring of grinding head spindle, then using wrench tight the nut, then tight the stop ring

The whole knife has rippel

The bearing damage below the big plate

Change new bearings( advise change 4pcs at the same time)

Off the knife

Screw nut is loose



Tight the nut

4.Grinding knife not level, appear bend

Surface deformation of sucker



Grind the surface of the sucker



5.The sucker table has difficulty in rotating



The pedestal of sucker table rusted

Open the cover of the support and clean it and apply anti-rust oil



Has noise when running

The gearbox damage

Check if it lacks oil or change new gearbox

It can not running, press by hand, it will running, not press, then stop

The travel contactor or the upper F4-11 auxiliary contact is broken



Change travel contactor and F4-11 auxiliary contact

8.open the grinding motor, it stop right now

Excessive current protector power off



Check circuit problems before adjusting protector current



9E9. the electromagnetic suckers have no suction



The supply voltage or rectifier is out of order



Check the power supply, change the rectifier



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Shandong MINGHUNG Wood Machinery Co.,Ltd is one famous manufacturer of plywood machine in China, located in Linyi city. 

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 +86-18769900191 / +86-15589105786
 
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