How to sharpen the nail knife?

There are two kinds of nail knifes,one kind is with steel head,which needs grinding every 2-3 days and can be used for many times,the other is with alloy head,which can be used for about 15 days and can not be grinded again to use for second time.

The nail making machine cuts the steel wire into different length nails using a nail knife,when the nail knife is blunt ,then it needs to be grinded through the nail knife grinder.

The process to grind the nail knife

Step 1,Refer to the shape of well grinded nail knife to grind when the workers are not experienced.

nail knife shape
 

Step 2:Grind the head to a even cover like this.

how to grind the nail knife of nail making machine?
 

Step 3:Grind the frontal groove.
nail knife grinder
 

Step 4:Grind the side groove.
nail knife

Step 5:Grind the back of the nail knife.

 grinding nail knife

Now it is done. After finishing these five steps,the nail knife will be absolutely new and will be very sharp again.

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