Tungsten Carbide Ball V-shaped Groove Grinding Process II

After coarse pestle, it should be fine pestle on vertical steel ball machine. It uses grinding plate as grinding tool and the lower grinding plate opening 90 ° symmetrical V-groove, milled plate installation alignment groove runout less than 0.02mm, which groove also should be pre-grinding by standard ball to ensure the precision.

Afterwards, tungsten carbide ball should be polished by vertical lathe and uses oak plate as grinding tool to turn arc groove with 0.5R. It has grooved boards with four claw chuck clamping, alignment grooves within 0.1mm, with W5 / W7 diamond paste (Old GB model, or about 4000 mesh / 3000 mesh) as a polishing paste, applied to certain pressure on the grinding plate does not move, speed control in 60r / min, the polishing process can be carried out for 4-6 hours, making the ball appear like a mirror.

Finally, cooling tungsten carbide polished ball about 5min. Then use kerosene to remove the stains on the surface and wipe out by clean cloth. Testing and packaging: The amount of change in the diameter of the grant requested diameter ball is detected using a micrometer or ruler for detecting extremely; roundness detected; the surface roughness using observation and comparison assay. It is required soft cushion apart between the balls and the ball use soft cushion apart, to prevent the collision of the balls and the ball, so that it is deformed or worn.

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