Specifications

Drive set-up procedure
14.3.17
Threading
14
-94
14.3.17 Threading
For YS 840DI threading feed, you can select; no spindle position control (mm/rev control.
SPCOF) or the spindle position control (SPCON).
The following data shows the typical mm/rev control.
• MD20650 THREAD_START_IS_HARD
Meaning: Acc./dec. motion when threading
Setting value: 0---linear acc./dec. Jerk setting possible.
1---step acc./dec.
• MD35150 SPIND_DES_VELO_TOL (For each spindle)
Meaning: Spindle speed tolerance. Tolerance for reference speed
Setting value: [percentage]
• MD35200 GEAR_STEP_SPEEDCTRL_ACCEL [n] (For each spindle)
Meaning: Acceleration rate when spindle speed control enabled. Settable for
each gear.
Setting value: [r/sec
2
]
• SD42010 THREAD_RAMP_DISP
Meaning: Threading acc./dec. distance
Setting value: [mm]
-1---MD20650 = 0 motion
0---MD20650 = 1 motion
0 > ---accelerates to reach the specified speed before passing through
the distance of this machine data setting value
14.3.18 Spindle synchronization control
All special processing in relation to the spindle synchronicity control is permitted by CNC.
Following is shown the primary CNC machine data related to the spindle synchronicity con-
trol.
• MD21300 COUPLE_AXIS_1 [0]
Meaning: Number of slave axis
Setting value: Sets the axis number for the spindle to be a slave axis
• MD21300 COUPLE_AXIS_1 [1 ]
Meaning: Number of master axis
Setting value: Sets the axis number for the spindle to be a master axis