Seiko Instruments Inc. Precision Machinery Division

SEIKO

Machine Tools Internal Grinder Products

An example of bearing process

This page introduces example of general miniature/small bearing manufacturing process.

  1. Outer: After heat-treating
  2. Inner: After heat-treating

Outer: After heat-treating

No. Process Fig. Machine Model
1 Both Face Grinding Both Face Grinding ----
2 O.D. Grinding O.D. Grinding ----
3 O.D. Super Finishing O.D. Super Finishing ----
4 Groove Grinding Groove Grinding SG1-OR
SIG02αⅡ
SIG03α
5 Groove Super Finishing Groove Super Finishing ----

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Inner: After heat-treating

No. Process Fig. Machine Model
1 Both Face Grinding Both Face Grinding ----
2 O.D. Grinding O.D. Grinding ----
3 O.D. Super Finishing O.D. Super Finishing ----
4 Groove Grinding Groove Grinding SG1-IR
SG03α-IR
5 I.D. Grinding I.D. Grinding SG1-IB
SIG02αⅡ
SIG03α
6 Groove Super Finishing Groove Super Finishing ----

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