Technology
MRBSH230SF Gear & Gear Sample
![](/en/technology/case/sample77/img/sample77.png)
Work material: HAP72 (70HRC)
Work size: φ40 (Base 50x45mm)
Machining depth: 6mm
Coolant: Oil mist
Machining time: 11hr 33min
Tool
MRBSH230SF
●Realize stable cutting performance even for 70 HRC hardened steels.
●Developed new MUGEN COATING PREMIUM Plus to upgrade oxidation resistance and abrasion resistance.
●Adopt optimized new tool material and tool design to reduce cutting load.
●R accuracy is ±0.003mm (R accuracy is based on a half value of actual diameter).
●Shank diameter tolerance, high accuracy type, is - 0.001mm / - 0.003mm.
Cutting condition
![](/en/technology/case/sample77/img/Cutting-conditions.jpg)
Result
![](/en/technology/case/sample77/img/Surfaceroughness.jpg)