G84 drilling cycle <CYCLE TAP(168)>


G84 tapping canned cycle performs rapid approach to safe level, taps the thread on the feedrate retract with reverse spindle rotation.

 

Img5_4_31_5

 

G84 Cycle consist of:

  • Rapid approach to <Z safe> level.
  • Work feed rate travel to <Z min> level.
  • Spindle rotation stop.
  • <Reverse spindle rotation> and work feed rate return to <Z safe> level.
  • Spindle rotation stop.
  • Restore normal spindle rotation and rapid retract to <Safe plane> level.

 

Command:

CYCLE TAP(168), A a, MMPM(315), N nm, F f,

      P p, T t, S s, PS ps, SC sc, FR fr

or

CYCLE TAP(168), A a, MMPR(316), M nm, F f,

      P p, T t, S s, PS ps, SC sc, FR fr

 

Parameters:

Parameter

CLD array

Description

TAP(168)

CLD[1]

CLD.Type

Cycle type 168 (TAP).

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

Feedrate value

f

CLD[5]

CLD.F

Z safe level

L

CLD[6]

CLD.L

Cut in value Zl

i

CLD[7]

CLD.I

Withdrawal value Zi

p

CLD[8]

CLD.P

Safe plane level

DWELL(279)

CLD[9]

CLD.DWell

Dwell time keyword.

h

CLD[10]

CLD.H

Dwell time in seconds.

t

CLD[11]

CLD.Top

Hole top level

s

CLD[12]

CLD.Step

Threading pitch

ps

CLD[13]

CLD.Pos

Spindle start angle

sc

CLD[14]

CLD.Socket

Socket type:

0 – floating,

1 – fixed

fr

CLD[15]

CLD.FR

Return feedrate

 

 

 

See also:

Hole machining cycles <CYCLE>