Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 607)

Cylindrical Grinding Fixed Cycles
Chapter 17
17-33
Figure 17.10
G89 Multi-Step Plunge with Blend
Part
@F
@E
@,F
@,E
R
I
Q
Rapid Moves
K
Start Point
Part
@F
@E
@,F
@,E
R
I
Q
K
Start Point
Angled-Wheel Grinders in Two Step Grinding Mode (G16.4)
Non-Angled Wheel Grinders or
Angled-Wheel Grinders in Normal Grinding Mode (G16.3) or
G15 Mode in Selected Plane
Table 17.I
G89 Cycle Parameters
Parameter: Definition: Default Value: Possible Value:
X 1 (plane axis 1) plunge end point value must be programmed abs. or inc.
Z 1 (plane axis 2) shoulder end point modal while in cycle/value must be
programmed abs. or inc.
R 3 clearance plane modal while in cycle/zero if not programmed incremental, unsigned,
radius or diameter value
I 3 medium plunge distance modal while in cycle/zero if not programmed incremental, unsigned,
radius or diameter value
Q 3 fine plunge distance modal while in cycle/zero if not programmed incremental, unsigned,
radius or diameter value
K 2 3 blend distance modal while in cycle/zero if not programmed incremental, signed,
radius or diameter value
F 2 coarse plunge feedrate last feedrate programmed valid F word
E 3 medium plunge feedrate modal while in cycle/zero if not programmed valid F word
,F 3 fine and micro-feed feedrate modal while in cycle/zero if not programmed valid F word
,E 3 blend feedrate modal while in cycle/zero if not programmed valid F word
L 3 number of spark-out revolutions in IPR
mode, seconds in IPM mode, or V/D mode must be programmed integer from zero to 999
P 3 for G89 2 for G89.1 dress program number from last cycle programmed valid program number
1 must be programmed 2 must have been programmed in some previous block if omitted 3 optional