Trademaster BM-20 Plus, Operator'S Manual

Page: 3 / 21

BM-20 PLUS Operator’s Manual 3
1. GENERAL INFORMATION
1.1. Application
The BM-20 is a bevelling machine designed to mill plates made of carbon steel at the
angle of 15–60° and with the bevel width up to 21 mm (13/16’’).
Using accessories will allow facing plates as well as bevelling pipes with outer
diameters of 150–300 mm (6–12’’) or 300–600 mm (12–24’’).
1.2. Technical data
Voltage
1~ 220–240 V, 50–60 Hz
1~ 110–120 V, 50–60 Hz
Power
1600 W (for 50 Hz)
1800 W (for 60 Hz)
Rotational speed
2780–3340 rpm (at 230 V)
2740–3290 rpm (at 115 V)
Protection level IP 20
Protection class I
Milling speed
550 m/min (1800 ft/min, for 50 Hz)
650 m/min (2200 ft/min, for 60 Hz)
Maximum bevel width ( b ) 21 mm (13/16’’, Fig. 1)
Bevel angle ( ß ) 15–60° (Fig. 1)
Vibration level
Machine harmful for health. Take
periodic breaks during operation.
Weight 20.5 kg (45 lbs)
Fig. 1. Bevel dimensions; maximum bevel width depending on the angle
ȕ
15° 30° 45° 60°
b 21 mm 20.5 mm 21 mm 20.5 mm