5.2.9 Reaming 2 (boring 5) CYCLE89

Programming:

CYCLE89 (RTP, RFP, SFD, DEP, RDP, DTB)

Parameters:

Fig.5.10 CYCLE89

Function:

The tool drills at the programmed spindle speed and feedrate to the entered final drilling depth. When the final drilling depth is reached, a dwell time can be programmed.

Sequence:

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

2. Traversing to final drilling depth with G01 and the feedrate programmed prior to the cycle call

3. Dwell time to final drilling depth

4. Retraction up to the reference plane brought forward by the safety clearance using G01 and the same feedrate value

5. Retraction to the retraction plane with G00

Explanation of the parameters:

1. For parameters 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.

Example:

CYCLE89 is used for reaming 2. The drilling axis is the Z axis. Programming zero point is the center of end face. Dwell time is 1 second.