3 step feed (step), 4 handle feed (handle) – Yaskawa Yasnac PC NC User Manual

Page 34

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YASNAC PC NC Operating Manual

Chapter 2: PC NC System Outline

2 - 13

Feedrate can be selected from 32 steps, with actual feedrates of individual setting posi-
tions set for parameters pm2400 to pm2431. The actual number of steps and feedrates
selectable by the JOG FEEDRATE switch vary depending on the machine model. For
details, refer to the manuals published by the machine tool builder.

Press the JOG switch corresponding to the axis to be moved and the required axis move direc-
tion.

The axis moves at the selected feedrate while the JOG switch is held pressed.

2.4.3

Step Feed (STEP)

Manual step feed operation is possible. Follow the procedure indicated below.

Select the step mode by placing the MODE SELECT switch on the machine operation panel
in the STEP position.

Select the feed distance per step with the MANUAL PULSE MULTIPLY switch on the
machine operation panel.

Metric system: 0.001, 0.01, 0.1, 1.0, 10.0, 100.0 mm (per step)

Inch system: 0.0001, 0.001, 0.01, 0.1, 1.0, 10.0 inch (per step)

Press the JOG switch corresponding to the axis to be moved and the required axis move direc-
tion.

Each time the JOG switch is pressed, the selected axis moves in the selected direction by the
set feed distance per step.

2.4.4

Handle Feed (HANDLE)*

When the NC is equipped with a manual pulse generator, pulse handle feed operation is possible.
Follow the procedure indicated below.

Select the handle mode by placing the MODE SELECT switch on the machine operation
panel in the HANDLE position.

Select the axis to be moved by the HANDLE AXIS selection switch on the machine operation
panel.

With the MANUAL PULSE MULTIPLY switch on the machine operation panel, select the
axis feed distance per pulse (one division of the pulse handle).

Clockwise rotation: In the positive direction

Counterclockwise direction: In the negative direction

Metric system: 0.001, 0.01, 0.1 mm (per division)

Inch system: 0.0001, 0.001, 0.01 inch (per division)

Turn the pulse handle. The axis moves in the positive or negative direction according to the
direction in which the pulse handle is turned.

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