Tooling Solutions for EV
Differential Case
Ductile Cast Iron
SumiReamer SSR Series Machined Portion
High-efficiency Drills Machined Portion
SumiReamer SSR Series* *This is a special / custom item
For Ring Gear Mounting Hole Drilling High-Efficiency Drills
Diameter: ø.118 to .551” (ø3.0 to 14.0mm)
Diameter: ø.117 to .472” ( ø2.97 to 12.0mm)
2x conventional feed rate f = .0157 to .0197 IPR ( .4 to .5 mm/rev) is possible
1.8μm 2.3μm
R a 0.1
· A balanced design that combines sharpness and cutting edge strength, to achieve high feed rate of f= .0630 IPR ( 1.6mm/rev) .
· Our proprietary low-resistance cutting edge design achieves high-efficiency drilling. · High efficiency reduces power consumption by about 40%, contributing to energy savings toward SDGs.
Reaming Internal Diameter Finishing ¢ SumiReamer SR Series
Turning
Roughing ¢ Cast Iron Turning Grades AC4000K Series
Coated CBN - BNC500 ¢ For Ductile Cast Iron Turning Finishing
Diameter: ø.4685 to 5.5354” (ø11.9 to 140.6mm)
AC4010K AC4015K AC420K
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