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20° Involute
30° Spline
45° Serration
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Master Gears

Master Gears
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Tru-Volute Hobs are known for their consistent performance.Our exclusive class AAA Hobs are finished with CNC Grindingmachines developed by Ogasawara Precision Hob Lab. Ltd.

You are able to realize the same level of gear accuracy as grinding with Dry/High Speed/Hard Hobbing under optimummachine conditions, and with our precise hobs.

- Hobbing Examples -

Dry Hobbing :
Hob Speed 1640sfm (500m/min) approx.
Hob Surface Treatment : TiAln, TiN, AlTiN, etc..

High Speed Hobbing Wet :
Hob Speed 1150sfm (350m/min max)
Hob Surface Treatment : TiN, TiCN, TiALN, etc..

Hard Hobbing / Dry or Wet
Hobbing Methods :
Hard Solid Hobbing / Heat Treated
Hard Re-Hobbing / Heat treated after rough hob
Material Hardness : 60 Hrc max.
Hob Surface Treatment : TiN, TiCN, TiALN, AlTiN etc..

Contact our sales and engineering support team to improve your methods.

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