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OBJ_BUCH-0000000130-002.book Page 19 Monday, November 18, 2013 10:38 AM
Switching the gear setting
(figure 14).
With the gear switch, you can select the
speed and thus the torque.
Adjust the gear setting only when the
machine is at a complete stop or when the
motor is running down.
Set the switch to gear 1 to work at low speed
with high torque. This setting is suitable for
drilling with large drill bit diameters and for
tapping.
Set the switch to gear 2 to work at high speed
with low torque. This setting is suitable for
drilling with small drill bit diameters.
JCM 200 U,
1. Gear
JCM 200 QX,
JCM 200 auto
JCM 256 U
1. Gear
JCM 200 U,
2. Gear
JCM 200 QX,
JCM 200 auto
JCM 256 U
2. Gear
JCM 200 QX
1. Gear
JCM 200 U,
1. Gear
JCM 200 auto
JCM 256 U
1. Gear
Drilling capacity in
Drilling capacity
steel - TCT
in steel - high speed
(core drill bit)
(core drill bit)
27 – 50 mm
1 1/16 in – 2 in
3/16 in – 1 5/8 in
27 – 65 mm
1 1/16 in – 2 5/8 in
1 1/16 in – 1 3/16 in
12 – 26 mm
7/16 in – 1 1/16in
7/16 in – 3/4 in
12 – 26 mm
7/16 in – 1 1/16in
7/16 in – 3/4 in
Max. diameter
Max. diameter for
for reaming
counterboring
≤ 16 mm
≤ 5/8 in
≤ 23 mm
≤ 7/8 in
≤ 25 mm
≤ 1 in
Fig.14
Drilling capacity in
steel - high speed
steel (HSS)
steel (HSS)
(twist drill bit)
21 – 40 mm
16 mm – 23 mm
5/8 in – 7/8 in
21 – 45 mm
16 – 25 mm
5/8 in – 1 in
12 – 20 mm
1,5 – 15 mm
1/16 in – 5/8 in
12 – 20 mm
1,5 – 15 mm
1/16 in – 5/8 in
≤ 31 mm
≤ 1 3/4 in
≤ 50 mm
≤ 2 in
≤ 50 mm
≤ 2 in
en
19
Tapped hole
M6 – M16
1/4 in – 5/8 in
M6 – M20
1/4 in – 6/8 in
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