G89 drilling cycle <CYCLE BORE9(213)>


G89 boring canned cycle performs rapid approach to the safe level, work feedrate boring with dwell at the hole depth level and work feedrate retract to the safe plane level.

 

Img5_4_31_10

 

G89 cycle includes:

  • Rapid approach to the <Z safe> level.
  • Work feedrate travel to the <Z min> level.
  • <Dwell>.
  • Work feedrate retract to the <Safe plane> level.

 

Command:

CYCLE BORE9(213), A a, MMPM(315), N nm, F f, P p, DWELL(279) h, T t

or

CYCLE BORE9(213), A a, MMPR(316), M nm, F f, P p, DWELL(279) h, T t

 

Parameters:

Parameter

CLD array

Description

BORE9(213)

CLD[1]

CLD.Type

Cycle type 212 (BORE8).

a

CLD[2]

CLD.A

Hole depth in current measure units (mm or inches).

MMPM(315)

MMPR(316)

CLD[3]

CLD.MMPM

Feedrate measure units:

315 (MMPM) – mm per minute (inches per minute),

316 (MMPR) – mm per revolution (inches per revolution).

nm

CLD[4]

CLD.NM

Work feedrate value.

f

CLD[5]

CLD.F

Safe level.

 

CLD[6],

CLD[7]

 

Reserved.

p

CLD[8]

CLD.P

Safe plane level.

DWELL

CLD[9]

CLD.DWELL

Dwell time keyword.

h

CLD[10]

CLD.H

Dwell time in seconds.

t

CLD[11]

CLD.Top

Hole top level.

 

 

 

See also:

Hole machining cycles <CYCLE>