The Mackma RB50ee ring roller machine is a small-sized professional electric machine. It has three motorized rollers and a 8 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 electric version, the positioning of the central roller takes place at a precision electric 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 | 320 mm |
| Shaft Diameter Top | 50 mm |
| Shaft Diameter Bottom | 50 mm |
| Roller Diameter Top | 170 mm |
| Roller Diameter Bottom | 170 mm |
| Speed | 6 m/min |
| Motor | 1,5 Kw |
| Voltage | 400 V 50Hz |
| Operating Position | Vert./Hor. |
| Posit.Centre Roll | electric with foot pedal |
| Antitwist Side-Rollers | Manual |
| Display | Digital |
| Number of Programs | 99 |
| Activation | foot pedal |
| Noise Level | < 70 db |
| Dimensions | 800x1100x1500h |
| Weight | 375 kg |
BENDING PERFORMANCES PROFILE TYPE STANDARD
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 | 25 x 25 | 250 |
 | 60 x 15 | 300 |
 | 40 x 10 | 400 |
 | 50 x 50 x 6 | 450 |
 | 50 x 50 x 6 | 400 |
 | 50 x 50 x 6 | 420 |
BENDING PERFORMANCES PROFILE TYPE OPTIONAL
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 | 30 x 30 x 3 | 600 |
 | 30 x 15 x 2 | 550 |
 | Ø 35 | 300 |
 | Ø 48,3 X 3 | 500 |
 | Ø 42 X 2,5 | 600 |
 | 40 x 40 x 4 | 500 |
 | 40 X 40 X 4 | 500 |
