General Information; Application; Technical Data - Promotech BM-21S Operator's Manual

1. GENERAL INFORMATION

1.1. Application

The BM-21S is a bevelling machine designed to bevel materials made of stainless steel.
The machine can bevel plates, as well as pipes with outer diameters of 150–300 mm
(6–12''), at an angle of 0–60° and with the bevel width of up to 21 mm (13/16'').
Additionally, the machine contains dampers to reduce vibrations.
When equipped with an optional guide, the machine can bevel pipes with outer
diameters of 300–600 mm (12–24'').

1.2. Technical data

Voltage
Power
Rotational speed
Protection level
Protection class
Milling speed
Maximum bevel width (b)
Bevel angle (ß)
Weight
Fig. 1. Bevel dimensions; maximum bevel width depending on the angle
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1~ 220–240 V, 50–60 Hz
1~ 110–120 V, 50–60 Hz
1600 W (for 50 Hz)
1800 W (for 60 Hz)
1360–1630 rpm (at 230 V)
1300–1560 rpm (at 115 V)
IP 20
I
270 m/min (900 ft/min, for 50 Hz)
320 m/min (1050 ft/min, for 60 Hz)
21 mm (13/16'', Fig. 1)
0–60° (Fig. 1)
23 kg (51 lbs)
β 0°
b 21 mm
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3
30° 45°
18.5 mm 21 mm
BM-21S
60°
18.5 mm