Page 362 - Carbide drills I Thread cutting tools 2023

Technical notes regarding use of thread milling cutters

Thread milling cycle for M10 in ISO-code as an example

00 G0 G90 X0 Y0 Z+10 Tool moves to drill-hole and positions itself above it 10 G1Z-15,75 F500 M3 M8 Axial entry into the drill-hole 20 G41 Y-3,9 Start-up procedure 30 G3 X0 Y+5 Z-15 I0 J+0,55 Radial plunging via tangential arc 40 G3 X0 Y+5 Z-13,5 I0 J0 360° circle interpolation 50 G3 X0 Y-3,9 Z-12,75 I0 J+0,55 Radial withdrawal via tangential arc 60 G1 G40

Meaning of the G and M commands used

G0 G1 G3 G40 G41 G90 G91 M3 M5 M8 M9

Linear Linear Circular Cancel Tool- Absolute- Sequential- Spindle Spindle Cooling Cooling
motion motion arc inter- too-radius radius measure- measure- on (right- off on off
at high with feed polation correction correction ment pro- ment pro- handed
speed F in with (tool to gramming gramming motion)
mm/min mid-point left of
(I, J) contour)

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