Drilling cycle G88 <W5DBore8>


Drilling cycle type <W5DBore8(488)> (G88) drills holes with rapid approach to the safe level, dwell at hole bottom level, spindle stop and manual retract to the safe plane level.

 

G88

 

Drilling cycle G88 consist of the following steps:

  • Rapid tool motion to the hole center at the <Z return> level.
  • Rapid descend to the <Z safe> level.
  • Work feedrate motion to the <Z min> level.
  • <Dwell> at the <Z min> level.
  • <Spindle stop>.
  • Manual tool retract to the <Z return> level.
  • Restore the spindle rotation direction and speed.

 

Parameters:

CLD array

Description

CLD[1]

CLD.SubCmd

Command type:

ON(71) – canned cycle on,

CALL(52) – canned cycle call,

OFF(72) – canned cycle off.

CLD[2]

CLD.SubType

Canned cycle type identifier: W5DBore8(488) (G88).

CLD[3]

CLD.CLParams(1)

Nx, X coordinate of the tool normal vector

CLD[4]

CLD.CLParams(2)

Ny, Y coordinate of the tool normal vector

CLD[5]

CLD.CLParams(3)

Nz, Z coordinate of the tool normal vector

CLD[6]

CLD.CLParams(4)

Sf, Normal distance from current tool position to the safe plane level

CLD[7]

CLD.CLParams(5)

Tp, Normal distance from current tool position to the hole top level

CLD[8]

CLD.CLParams(6)

Bt, Normal distance from current tool position to the hole bottom level

CLD[9]

CLD.CLParams(7)

Work feed measurements:
0 – mm/rev,

1 – mm/min

CLD[10]

CLD.CLParams(8)

Work feed value

CLD[11]

CLD.CLParams(9)

Approach feed measurements:
0 – mm/rev,

1 – mm/min

CLD[12]

CLD.CLParams(10)

Approach feed value

CLD[13]

CLD.CLParams(11)

Return feed measurements:
0 – mm/rev,

1 – mm/min

CLD[14]

CLD.CLParams(12)

Return feed value

CLD[15]

CLD.CLParams(13)

Delay at the bottom level in seconds

CLD[50]

CLD.CLParams(48)

What spindle is used to machining:

1 - driven tool,

2 - workpiece spindle (lathe).

 

 

 

 

See also:

Technology commands description

Extended cycle <EXTCYCLE>