NCT Group NCT 2000T, NCT 100T, NCT 990T manual Jog Mode, Feedrate Selection

6.2Jog Mode

6.2 Jog Mode

Jogging can only be done upon power-on state of the machine, i.e. when there is no EMG (emergency stop) state in the rightmost field (general NC state) of status bar. After selecting the operation mode in the 2nd field of status bar caption JOG appears.

If the machine is mounted with NCT machine control board the jog mode can be switched on

by pressing the button.

Axis Selection

The movement on axes X, Z can be directly started by pressing and holding down the appropriate jog button.

More axes’ jog buttons can be pressed at a time, therefore more axes can be jogged simultaneously.

In case only jog buttons are held down the appropriate axis is jogged at feedrate. If together with the jog buttons the rapid traverse key

is pressed, the selected axes move at rapid traverse rate.

Feedrate Selection

Rate of feed jogging:

– the modal value F, if the value of parameter 1372 JOGFEED is 0.

–If the value of parameter 1372 JOGFEED is 1 the rate of jogging is independent of the modal value F. In this case the rate is taken into account on the basis of the state of feedrate override switch in accordance with the table beside.

In this case the valid feedrate val- ues can be seen in the 5th (interpolator) field of status bar.

%	G21	G20	rotating axis
	mm/min	in/min	°/min
0	0	0	0
1	2	0.08	0.4
2	3.2	0.12	0.64
5	5	0.2	1
10	7.9	0.3	1.58
20	12.6	0.5	2.52
30	20	0.8	4.0
40	32	1.2	6.4
50	50	2	10
60	79	3	15.8
70	126	5	25.2
80	200	8	40
90	320	12	64
100	500	20	100
110	790	30	158
120	1260	50	252

The rate of rapid traverse jogging is at parameters axis by axis fixed value. Generally the rate differs from (less than) that of G00 rapid traverse rate positioning (by the way it is also fixed at parameters axis by axis).

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