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| 1. Durability |
| Thanks to GROB spline method, our hardness of the surface is getting harder ( more than Hv250 ) and its roughness is less than 0.7μＲmax, very smooth condition. The sliding movement of nut is excellent. |
| ２．Mechanical Property |
Fiber flow inside the shaft remains along the teeth profile . The micro structure of teeth bottom becomes dense. This feature gives the spline the strong fatigue strength.
The fiber, remained un-cutted, makes the mechanical property stronger. |
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Spline section
The fiber, remains un-cutted, makes it stronger |
| ３．GROB method |
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| ４．Spline accuracy |
| we supply the very excellent accuracy spline shafts |
| ５．Power transfer |
| The power transfer is very smooth using our spline and nut. |
| ６．Our products |
・Square spline（Φ8～Φ100）
・Involute spline
・Spline at the end of the parts
1 We can arrange the spline according to the order
2 We welcom a tailormade order
3 We offer according to the requirement |
| 7. Application |
| ・ machine industry, health machine and other machine and equipment |
