WWW.JEIUK.COM
PRO 132T
This document is protected by copyrights.
Copying, using, or distributing without permission of Ansa Group Ltd is prohibited.
17
3.7. Drilling
Use the gear switches to set the gear based on the table that follows.
Tool
Hole diameter
Rotational speed*
[rpm]
Gear switches
setting
[mm]
[in]
HSS annular cutter
12
–21
0.47
–0.83 350–520 (gear IV)
22
–37
0.87
–1.46 200–300 (gear III)
38
–72
1.50
–2.83 100–150 (gear II)
73
–130
2.87
–5.12
55
–85 (gear I)
TCT annular cutter
12
–27
0.47
–1.06 350–520 (gear IV)
28
–47
1.10
–1.85 200–300 (gear III)
48
–85
1.89
–3.35 100–150 (gear II)
86
–130
3.39
–5.12
55
–85 (gear I)
Twist drill bit
15
–22
0.59
–0.87 200–300 (gear III)
22
–32
0.87
–1.26 100–150 (gear II)
32
–47
1.26
–1.85
55
–85 (gear I)
* For a sharp tool and mild steel with a strength
R
m
< 500 N/mm
2
(70,000 psi), such as St0 (S185), St3S
(S235JR), or St4W (S275JO).
Steel with a strength
R
m
≥
500 N/mm
2
(70,000 psi), such as St5 (E295), 18G2A
(S355N), or 45 (C45), requires lower speeds. If the speed is too high or too low for
the workpiece strength and the type/diameter of the tool, the tool will wear faster or
be unable to drill the hole.
Press
to start the motor. Rotate the handles to the left to put the tool into the
workpiece. Use the speed knob to set a speed sufficient for the actual process condi-
tions. Set the speed knob near the maximum.
When the annular cutter goes through the workpiece, the slug core is
pushed out with a large force.
