user manual

3. BASIC OPERATIONS
2) Halve the preset value for the X-axis.
• Halve the preset value, 469.000.
IMPORTANT
• The value displayed at the time of the axis designation during the preset operation is the
previous preset data.
• The data entered with this operation is saved in the counter as preset data.
3.2.10 Bolt-hole circle machining
This function is available exclusively with both 2- and 3-axis counters. (In case of using
3-axis counter, this function is available with X- and Y-axis settings.)
The bolt-hole circle machining function is used to perform bolt-hole circle machining.
By setting the center position, diameter, number of divisions and offset angle of the circle,
the bolt-hole circle machining function calculates the positions around the circumference
for boring holes, and displays the target coordinate value for each machining point.
When boring a hole, displace the machine table to the position so the display becomes
zero. The position of the tip of the cutting tool at the time of data setting is taken as the
center for the circle to be calculated. The position for boring the first hole is the point offset
by the offset angle (Ang) in the positive direction of the X-axis (see the figure below), and
the location of the holes to be bored successively at equal interval is determined along the
circumference of the circle having the diameter (d) and divided by the number of divisions
(n).
No. 99MBE032A
3-17