Resin bond CBN grinding wheel for gear hob cutter

This type of CBN grinding wheels are specially used for gear hob cutter grinding,
before grinding, we need to use Green silicon carbide grinding wheel dress it, to make sure it has good concentricity.
During grinding, if you find the CBN wheel you are using is a little bit hard, you should slow down the line speed from 40m/s to 30m/s.
The roughness and sharpness are the most important for the CBN wheels.

Gear hobbing cutter is high-speed steel material

So we choose resin bonded CBN grinding wheel.

The first step is to use GC dressing wheel to repair this CBN wheel

To make sure the concentricity is good,

Then grind gear hobbing blade.

During grinding, if you find the CBN wheel you are using is a little bit hard, you should slow down the line speed from 40m/s to 30m/s.

The roughness and sharpness are the most important for the CBN wheels.

Shape	D (mm)	W (mm)	H (mm)	X (mm)	T (mm)	V°
4BT9	100	10	20	1	10	5
4BT9	150	10	50.8	3	10	8
4V4	100	6	20	1	10	10
4C2	150	5	50.8	3	20	—

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