FE 150 RLX
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18
3.7. Drilling
Set the speed 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
22–37
0.87–1.46
200–300
38–72
1.50–2.83
100–150
73–130
2.87–5.12
55–85
TCT annular cutter
12–27
0.47–1.06
350–520
28–47
1.10–1.85
200–300
48–85
1.89–3.35
100–150
86–150** 3.39–5.91
55–85
Twist drill bit
15–22
0.59–0.87
200–300
22–32
0.87–1.26
100–150
32–47
1.26–1.85
55–85
* 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).
**
If more than 130 mm (5.12″), use only a cutter with the drilling depth of up to 50 mm and be careful. A
too high
feed speed or rotational speed can result in excessive vibrations, machine overload, incorrect arbor operation, or
cutter damage.
