Machined parts for automotive transmission system
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Joseph MARTIN guarantees a high precision turning to produce components related to transmission systems, specifically solenoids driving clutches and gear changes.

We manufacture bar turning part for transmission automotive:
- Bronze, peek (glass and carbon fiber filled) bearings
- Armatures (moving cores) in silicon iron with or without chemical nickel coatings
- Pistons in anodized aluminum
- Aluminum plugs
- Flux core made of annealed steel with lapping and nitriding operations to obtain a white layer for better sliding
- Armatures with or without electroless nickel coatings assembled with the Rod
These parts are manufactured in large series (250 000 < parts / year < 11 000 000) on:
- Cam-type lathes renovated in-house
- Tornos AS 14, SAS 16, BS 14, BS 20
- Latest generation CNC lathe
- Index MS 16, MS 22, MS 22-8, MS 32, MS 40
- Tornos MD 20-8, Multi Sigma 1 or 2 counter spindles, Multi Swiss 6-14, Multi Swiss 8-24
- Kadia U-line dual head grinder