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| NK Ring |
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| ■Bearing steels(SUJ2, SAE52100) |
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■Manufacturing range
The range where the SUJ2 ring can be manufactured
is a figure below. |
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■Size accuracy
The size accuracy of “cold forging products” and
“cold forging + both ends processing products” is shown as blow
table. |
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Outer
diameter |
Inner
diameter |
Length |
Chamfering |
Circularity |
Cylindricity |
Thickness
diviation |
Perpendicularity |
| cold
forging |
±0.05 |
±0.05 |
±0.15 |
- |
≦0.03 |
≦0.04 |
≦0.04 |
- |
| Cold
forging + both ends processing |
±0.05 |
±0.05 |
±0.05 |
±0.15 |
≦0.03 |
≦0.04 |
≦0.04 |
≦0.04 |
Note) The range and accuracy are are general.
Please consult about the range and accuracy that exceeds the above-mentioned
value. |
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| Additionally,
precise cold forging products |
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| ■High strength special alloy and another |
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| Multistep
former |
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Both
ends processing automatic machine |
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CNC
single function
machine |
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