Method for processing polycrystalline diamond for diamond processing
A polycrystalline diamond and processing method technology, which is applied in the process of applying ultra-high pressure, can solve the problems of poor self-sharpening performance and low grinding efficiency, and achieves high grinding efficiency, high utilization rate and good self-sharpening performance.
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Embodiment 1
[0022] A kind of processing method of polycrystalline diamond PCD for diamond processing, the detailed steps of described processing method are as follows:
[0023] a, raw material composition: represented by weight percentage, the raw material adopted is composed of diamond powder 60% and nickel Ni 40%; Wherein 60% diamond powder is made of 40% W20 diamond powder, 35% W15 diamond powder and Composed of 25% W5~7 diamond powder;
[0024] B, take by weighing diamond powder and nickel according to the raw material composition described in step a, add the boron B that accounts for 0.3% of total raw material amount in addition after mixing, its raw material and boron are packed in the carbon synthesis mould, then will be equipped with raw material and The carbon synthesis mold of boron is placed in a vacuum furnace for 60 minutes; the vacuum degree in the vacuum furnace is 0.001Pa, and the temperature is 120°C;
[0025] c. Put the semi-finished product obtained in step b into a di...
Embodiment 2
[0029] A kind of processing method of polycrystalline diamond PCD for diamond processing, the detailed steps of described processing method are as follows:
[0030] a, raw material composition: represented by weight percentage, the raw material adopted is composed of diamond powder 58% and nickel Ni 42%; Wherein 58% diamond powder is made of 40% W20 diamond powder, 35% W15 diamond powder and Composed of 25% W5~7 diamond powder;
[0031] B, take by weighing diamond powder and nickel according to the raw material composition described in step a, add the boron B that accounts for 0.28% of total raw material amount in addition after mixing, its raw material and boron are packed in the carbon synthesis mould, then will be equipped with raw material and The carbon synthesis mold of boron is placed in a vacuum furnace for 58 minutes; the vacuum degree in the vacuum furnace is 0.0009Pa, and the temperature is 100°C;
[0032] c. Put the semi-finished product obtained in step b into a ...
Embodiment 3
[0036] A kind of processing method of polycrystalline diamond PCD for diamond processing, the detailed steps of described processing method are as follows:
[0037] a, raw material composition: represented by weight percentage, the raw material adopted is composed of diamond powder 62% and nickel Ni 38%; Wherein 62% diamond powder is made of 40% W20 diamond powder, 35% W15 diamond powder and Composed of 25% W5~7 diamond powder;
[0038] B, take by weighing diamond powder and nickel according to the raw material composition described in step a, add the boron B that accounts for 0.32% of total raw material amount in addition after mixing, its raw material and boron are packed in the carbon synthesis mould, then will be equipped with raw material and The carbon synthesis mold of boron is placed in a vacuum furnace for 62 minutes; the vacuum degree in the vacuum furnace is 0.0012Pa, and the temperature is 150°C;
[0039] c. Put the semi-finished product obtained in step b into a ...
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