Notes of Tungsten Carbide Cutting Tools Hand Sharpening

Tungsten carbide cutting tools hand sharpening is an effecitive way to avoid tungsten carbide cutting tools hot cracking. In order to more effectively prevent hot cracking of tungsten carbide cutting tools, master notes of tungsten carbide cutting tools hand sharpening is needed. In summary, notes of tungsten carbide cutting tools hand sharpening are the following aspects :

1. When use the method of tungsten carbide cutting tools hand sharpening, rotating the wheel pressure should be appropriate, not too big, do not press the wheel in a prolonged contact, should be interrupted from time to time, the tool has more cool down.

2. When use the method of tungsten carbide cutting tools hand sharpening,the force should be light, otherwise, due to increased friction, rapid temperature rise, the emergence of local high temperature, resulting in thermal cracking. We should try to increase the contact area between the tool and the grinding wheel to prevent excessive grinding heat caused by cracks.

3. When use the method of tungsten carbide cutting tools hand sharpening, coolant should not be used. In the grinding process, in order to reduce the temperature of the dry heat of the tool wear immersion in cold water can make tungsten carbide cutting tools due to the high temperatures encountered in quenching temperature difference mutation shrinkage stress is too large and thermal cracking. So tungsten carbide cutting tools hand sharpening should interrupt from time to time and air-cooled so as to make the tool has more time to cool down

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