5.2.2 Drilling, counterboring CYCLE82

Programming:

CYCLE82 (RTP, RFP, SFD, DEP, RDP, DTB)

Parameters:

RTP

Real

Retraction plane (absolute)

RFP

Real

Reference plane (absolute)

SFD

Real

Safety clearance (enter without sign)

DEP

Real

Final drilling depth (absolute)

RDP

Real

Final drilling depth relative to the reference plane (enter without sign)

DTB

Int

Dwell time at final drilling depth (chip breakage) (s)

                                                   Fig.5.2 CYCLE82

Explanation of the parameters:

1. RTP,RFP,SFD,DEP,RDP, see CYCLE81;

2. DTB(dwell time): The dwell time to the final drilling depth (chip breakage) is programmed under DTB in seconds.

Function:

The tool drills at the programmed spindle speed and feedrate to the entered final drilling depth. A dwell time can be allowed to elapse when the final drilling depth has been reached.

Sequence:

1. Approach of the reference plane brought forward by the safety clearance by using G00

2. Traversing to the final drilling depth with the feedrate (G01) programmed prior to the cycle call;

3. Dwell time at final drilling depth

4. Retraction to the retraction plane with G00

Example:

The program machines a single hole with cycle CYCLE82. The drilling axis is always the Z axis. Programming zero point is the center of end face. Dwell time is 1 second.

N10 G00 G90 G17 G40 T1 D1 S400 M03

Specification of technology values

N20 G95 G01 Z10 X0 F0.2

Approach drilling cycles starting position

N30 CYCLE82(10, 0, 1, -5, 5, 1)

Cycle call

N40 G00 Z10

Next position

N50 M02

End of program

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