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M670

High-accuracy finishing of straight profile gears and splines

Application example: machining of a larger module

Component:Internal ring gear, Mn: 6.0, zn: 92
Workpiece material:18CrNiMo 6-7
Operation:Parallel deburring
Machine:DMU 80FD

Sandvik Coromant
ToolM670 deburring tool
Insert5MCN10NX-087133 1135
DC, mm (inch)27 (1.063)
Tool length, mm (inch)184.1 (7.248)
zn7
n, rpm (spindle)1774
n, rpm (workpiece)135
vc, m/min (ft/min)150.5 (493.8)
vf, mm/min (inch/min)0.945 (0.037)


fz, mm/z (inch/z)0.007 (0.0003)
hex, mm (inch)0.005 (0.0002)
Time in cut (min):6 (3 + 3)
Result: The total machining time for front and back deburring (plus tool rotation) is six minutes.
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