HUST CNC H6D-T - Page 119

3 G/M Codes
3 - 57
A
Fig. 3-43 Cutting Path of G75 Traverse Grooving Canned Cycle
Example 1 : (without tool feed in the Z direction
)
N10 G0 X80.0 Z0.O Moves tool quickly to the home position of
workpiece X80. Z0.
N20 M03 S2000 Spindle CW, speed 2000(rpm).
N30 G75 R1. R1. indicates a 500( m) tool retraction after each
drilling depth of 2500( m).
N40 G75 X60. P5. F0.5 Drilling cycle: “Z60.” Indicates end of drilling
cycle is at absolute coordinate 60. in the
Z-direction. P5. stands for 2500 ( m) per drilling.
(Diameter specification)
N50 M5 S0 Spindle stops.
N60 M2 End of program.
Example 2 : (with tool feed in Z direction)
N10 G0 X80.0 Z0.O Quickly move tool to X80. Z0 position relative to
the work origin
N20 M03 S2000 Positive rotation of spindle, speed 2000(rpm).
N30 G75 R2. R2. stands for a tool retraction of 1000( m) after
each drilling depth of 2500 ( m).
N40 G75 X60.Z3.P5. Q500 R1.F0.5
Z
X
Tool
D
k/2
U/2
X/2
Tool width (AD) must be acquired to
determ ine the position of D.
C
k/2
k/2
A