Precautions in the Operations of Tungsten Carbide AnvilsⅡ

4.Requirements for related raw materials of tungsten carbide anvils
It is advisable to use steel rings of 45NiCrMoVa steel, since it has a suitable hardness after heat treatment, and a good finish of the inner surface is required with no deformation. The precision of big and small machined pads must meet the requirements and the surfaces of the pads must be even and smooth and the material for the pads is GCr15 steel with a moderate hardness.Pyrophyllite shall not have too much water and the baking temperature and time must be moderate in order to prevent air bleeding or air blasting in the synthesization due to the moisture and the bad pressure transfer of pyrophyllite. Baked pyrophyllite must be stored in a thermostat chamber. The sealing electric conducting steel rings must be of good quality without any rust and they are to be baked at 150oC and stored without any contact with moisture.

5.Requirements for the synthesizing process
The tungsten carbide anvils require a synthesizing process that is compatible with cavities for synthesization.

Suggestions for reducing the consumption of tungsten carbide anvils
A non-continuous operation should be avoided. Some small tests must be done when optimizing and adjusting the process.
When the process of a single piece of equipment is stable, then it can be applied to other equipment. Various methods should be adopted to reduce the pressure and temperature in the system. Measures should be taken to improve the cooling efficiency of the carbide anvils and the heating system to reduce the temperature of the anvils. And operations are to be improved as well.

Handling and storage of tungsten carbide anvils
Anvils are easy to be damaged by collision and as a result after unpacking they should be individually placed in strong wooden cases or in wooden cases with partitions with one in each partition during inspection , machining and storage. They should be stored separately without any overlapping or contact with each other during assembling and installation. In the operations above precautions should be taken to avoid injuries from impact or squashing. Contamination and moisture should be avoided.


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