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BASIC THEORY
G94 sample program:
O0003;
G00 X130 Z5 M3 S1
G94 X0 Z0 F200 face cutting
X120 Z-110 F300 outer circleΦ120 cutting
G00 X120 Z0
G94 X108 Z-30 R-10
X-56 R-20
X-84 R-30 C→B→A, Φ60
cutting
X-72 R-40
Note：Please follow the specified
structures when programming！
G73 closed cutting cycle
Programming structures:
G73 U(Δi)—W(Δk)—R(d);
G73 P(ns)—Q(nf)—U(Δu)—W(Δw)—F—S—T;
N(ns)…
…
…
N(nf); P(ns) / Q(nf): Indicating start/end point of
finishing program block path
G73 sample program:
O0006;
G99 G00 X200 Z10 M3 S500
G73 U1.0 W1.0 R3
; tool retraction at X axis 0.2 mm,
at Z axis 1 mm
G73 P14 Q19 U0.5 W0.3 F0.3
; roughing, keep 0.5 mm finishing
allowance at X axis
and 0.3 mm at Z axis
N14 G00 X80 W-40
G01 W-20 F0.15 S600
X120 W-10 finishing
W-20 block
G02 X160 W-20 R20
N19 G01 X180 W-10
G70 P14 Q19 ; finishing
M30
Note：Please follow the specified structures when programming！
G70 finishing cycle
Programming structures:
G70 P(ns)—Q(nf); P(ns) / Q(nf)：Indicating start/end point of
finishing program block path
Note: T / S / F used in G70 must be specified in G71/G72/G73 fixed cycles be-
fore G70.
G94 radical cutting cycle
Programming structures:
Face cutting
G94 X / U—Z / W—F;
Cone face cutting
G94 X / U—Z / W—R—F;
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