Lathe drilling cycle G81 <DRILL>



Lathe drilling canned cycle <DRILL(163)> G81 drills axial holes with static tool inside rotated workpiece. The tool approaches the hole at the safe plane level descends at rapid feedrate to the return level, machines the hole at work feedrate, and rapidly retracts to the safe plane level.

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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: DRILL(163).

CLD[3]

CLD.CLParams(1)

The top level of a hole (T).

CLD[4]

CLD.CLParams(2)

The hole depth measured relative to the top level (D).

CLD[5]

CLD.CLParams(3)

The return level (R).

CLD[6]

CLD.CLParams(4)

The Safe level (S).

CLD[7]

CLD.CLParams(5)

Reserved.

CLD[8]

CLD.CLParams(6)

The federate units:

0 – mm/rev,

1 – mm/min.

CLD[9]

CLD.CLParams(7)

The Work feed.

CLD[10]

CLD.CLParams(8)

The Retract feed.


See also:

Technology commands description

Extended cycle &lt;EXTCYCLE&gt;