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Introduction to Bearings
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Introduction to Bearings

How to Produce Bearing Balls?

How to Produce Bearing Balls?

  • 2020/07/08


1.Heading: In the first step, heading machines cut wire into short lengths and form it into spherical shapes between dies.


Deflashing: The flash line, a ridge left by the forming dies, is removed as balls roll between heavy, cast iron plates.


2.Soft Grinding: Similar to deflashing, except that a grinding stone is used to improve precision.


3.Heat-treating: Carbon steel balls are next carburized and hardened. Heat treatment imparts the desired hardness and case depth.


4.Descaling: This step removes the residues and by-products from the heat-treating process.


5.Hard Grinding: Slow, meticulous grinding assures proper sizing and sphericity, with tolerances as close as ±.0001".


6.Lapping: Several proprietary lapping processes can bring balls to the requirements of ISO 3290 Grade 10 - 48.


7.Finishing: Proprietary chemical and mechanical processes give the balls their final micro-smoothed finish, for increased wear resistance and product longevity.


8.Inspection: All products pass through at least two 100% inspection stages, using proprietary, automated inspection processes.

We can produce different dimension with stainless steel bearing balls, ceramic bearing balls, Plastic Balls ,Glass Balls.

For more infomations ,pls contact with us at info@bearings-factory.com

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