The Mackma RB50i ring roller machine is a small-sized professional hydraulic machine. It has three motorized rollers and a 6 ton central roller thrust. The digital display is simple and easy to use, and the noise level is almost zero at less than 70 db. In this hydraulic version, the positioning of the central roller takes place at a precision hydraulic movement. The peculiarity of this bending machine is the easy tilting that allows to work comfortably vertically or horizontally.
Main technical data
| CentralRoll Force | 8 Ton |
| Distance Between Shafts | – |
| Shaft Diameter Top | 50 mm |
| Shaft Diameter Bottom | 50 mm |
| Roller Diameter Top | 162 mm |
| Roller Diameter Bottom | 162 mm |
| Speed | 4,5 m/min |
| Motor | 1,1 Kw |
| Voltage | 400 V 50Hz |
| Operating Position | Vert./Hor. |
| Posit.Centre Roll | Hydraulic with joystick |
| Antitwist Side-Rollers | Manual |
| Display | Digital |
| Number of Programs | – |
| Activation | joystick |
| Noise Level | < 70 db |
| Dimensions | 810x950x1500h |
| Weight | 500 kg |
BENDING PERFORMANCES PROFILE TYPE STANDARD
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 |
35 x 35
15×15 |
600
300 |
 |
60 x 10
20 x 10 |
600
300 |
 |
100 x 15
50 x 10 |
600
300 |
 |
60 x 7
30 x 4 |
800
500 |
 |
60 x 7
30 x 4 |
800
500 |
 |
50 x 6
30 x 4 |
800
400 |
BENDING PERFORMANCES PROFILE TYPE OPTIONAL
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 |
50 x 50 x 3
20 x 20 x 2 |
1600
400 |
 |
70 x 30 x 3
30 x 15 x 2 |
1500
400 |
 |
Ø 35
Ø 20 |
600
300 |
 |
2″ X 2,9
1/2″ X 2,3 |
1000
300 |
 |
70 X 2
25 X 1,5 |
1200
400 |
 |
50 X 50 X 6
30 X 30 X 3 |
600
400 |
 |
50 X 50 X 6
30 X 30 X 3 |
900
600 |
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