HUST CNC H6D-T Manual
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N120 M02
Ex 3 : Multi-stage continuous thread cutting
G00 Z0.
M03 S3000 Quick positioning to start point
G32 Z50.F1. Thread of first stage
G32 Z100.F2. Thread of second stage
G32 Z150.F3. Thread of third stage
M05
M30
If set as above, the thread cutting process will have no stop in the Z-axis during thread
cutting, therefore the cut threads are smooth and continuous.
3.15 G33 Tapping Cutting Canned Cycle
Purpose and Function:
Rigid thread cutting
Command Format:
G33 Z(W)_________ F______
G33 X(U)_________ F______
Z(W) X(U) : End-point coordinate or length of thread cutting
F : Pitch
Details: Execution process of Z/X-axis thread cutting
1. Z/X Axis feed of thread cutting
2. Switch off spindle
3. Wait until the spindle fully stops
4. Reverse the spindle (in the opposite direction of the original rotation)
5. Z/X-axis tool retracts
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