Cycles
9.8 3-stage surface grinding (roughing, finishing and fine-finishing) - CYCLE409
Surface grinding
174 Programming and Operating Manual, 11/2012, 6FC5398-5CP10-3BA0
Programming example
Machining sequence:
● Grind surface at a grinding wheel peripheral speed of 20 m/s.
● In part program block N30: air allowance of 0.05 mm and roughing allowance of 0.05 mm,
finishing allowance of 0.025 mm, and fine-finishing allowance of 0.005 mm.
● Infeed of 0.03 mm per stroke with acoustic emission sensor and 0.02 mm infeed for
roughing, 0.01 mm infeed for finishing, and 0.001 mm infeed for fine-finishing.
● 1 sparking-out stroke following roughing, 2 strokes following finishing, and 3 strokes
following fine-finishing.
● Single-stroke dressing for finishing and fine-finishing respectively.
● 2 strokes prior to finishing, 1 stroke prior to fine-finishing.
● Off-loading value of 0.03 mm following roughing and 0.015 mm following finishing.
● With roughing, infeed is performed continuously in Z.
● With finishing and fine-finishing, infeed is performed intermittently.
N10 T2D1
N20 CYCLE446( 20)
N30 CYCLE409( 0, 100, -350, 0, -150, 10, 0, 1, 1, 0, 0.05, 0.05, 0.025, 0.005, 0.03,
0.02, 0.01, 0.001, 1, 2, 3, 0, 2, 1, 0.03, 0.015, 30000, 29000, 28000, 40, 35, 30,
3000)
N40 M30
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