Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set User Manual

Page 303

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Introduction to Programming

Chapter 10

10-29

G- Code

Type

Function

Modal Group

G86

Boring Cycle (Spindle Stop, Rapid Out)

G87

Back Boring Cycle

G88

Boring Cycle (Spindle Stop, Manual Out)

G88.1

00

Pocket Milling Roughing Cycle

Non--Modal

G88.2

Pocket Milling Finishing Cycle

G88.3

Pocket Milling Roughing Cycle

G88.4

Pocket Milling Finishing Cycle

G88.5

Hemispherical Milling (Roughing Cycle)

G88.6

Hemispherical Milling (Finishing Cycle)

G89

09

Boring Cycle (With Dwell, Feed Out)

Modal

G89.1

00

Irregular Pocket Milling (Roughing Cycle)

1

Non--Modal

G89.2

Irregular Pocket Milling (Finishing Cycle)

1

G90

03

Absolute Mode

Modal

G91

Incremental Mode

G92

00

Coordinate System Offset (Using Tool Positions)

Non-Modal

G92.1

Coordinate System Offset (Cancel)

G92.2

Selected Coordinate System Offsets (Cancel)

G93

05

Inverse Time Feed Mode

Modal

G94

Feed-per-minute mode

G95

Feed-per-revolution Mode

G98

10

Initial Level Return in Milling Cycles

Modal

G99

R-Point Level Return in Milling Cycles

1

Important: The Irregular Pocket Milling Cycles feature (G89.1 and G89.2) is only available prior to system

software release 12.xx. Any attempt to program a G89.1 or G89.2 in release 12.xx or later will result in the error
message, “Illegal G--code”.

A set of default G--codes become effective at power up, when the control is
reset, or an emergency stop condition is reset. These default G--codes are
selected by the system installer in AMP. These default G--codes can be
seen on the status display screen after power up or control reset.

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