P.18 A size for hub processing is available!!
Further reduces resistance with overlap thinning, suppressing wear in hub drilling. Excellent for shallow holes L/D=2 sizes only
D Application Example: Hole for Press-fitting Bolt in Inner Shaft of Hub
欠損
Conventional Product B
MDE Type
Chipping
After drilling 1,000 workpieces (5 holes per workpiece)
After drilling 2,500 workpieces (5 holes per workpiece)
Work Material: equivalent to S55C, Machine: Vertical machining centre Tool: MDE 1397S14E02H (ø13.97mm×2D) Cutting Conditions: v c =75m/min, f =0.2mm/rev, H =15mm (through), external coolant supply (water solube)
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