The main application of cold rolling process

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1, according to the application modes generally divided into precision cold rolling and coarse roll two.thin ball bearings
Most abroad by rough rolling. Usually complex sha pe and small size of the ring rolling process by fine more, larger specifications (generally more than 308) basic use coarse rolls, SKF pure rolling is not recommended.
Precision cold rolling advantage is channel, chamfering not transport, disadvantage is mould the demand is high, deformation big influence grinding rate.
Coarse roll advantage is easy to control, do not affect grinding efficiency, simple production layout. Disadvantages is lack of accuracy, the subsequent car processing larger workload.
2, according to the cold roll former blank types are divided into forging cold roll forming and steel pipe ferrule cold roll forming twoSKF bearing
The above process should be based on users actual conditions, economy, finished product requirements of choice, but no matter what technology used for raw material requirements, blank hardness, blank weight control are the same.
3, general c old roll forming the need for the whole diameter, to ensure the precision of the ring.roller bearing co