The Mackma RB40i 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.
Made in Italy
Warranty
| CentralRoll Force | 6 Ton. |
| Distance Between Shafts | 300 mm |
| Shaft Diameter | 40 mm |
| Useful Shaft Length | 120 mm |
| Roll Diameter | 180 mm |
| Centre Roller Stroke | 120 mm |
| Shaft Speed | 9 rpm |
| Motor | 3×0,55 |
| Operating Voltage | 380/400 |
| Operating Position | Vert. / Horiz. |
| Posit.Centre Roll | Manual with footpedal |
| Antitwist Side-Rollers | Manual |
| Display | Digital |
| Number of Programs | 1 |
| Activation | With Selector |
| Noise Level | < 70 db |
| Dimensions | 800x1200x1600h |
| Weight | 290 kg |
BENDING PERFORMANCES PROFILE TYPE STANDARD
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 | 18 x 18 | 250 |
 | 35 x 8 | 300 |
 | 50 x 12 | 400 |
 | 35 x 35 x 5 | 400 |
 | 30 x 30 x 5 | 300 |
 | 35 x 35 x 5 | 300 |
BENDING PERFORMANCES PROFILE TYPE OPTIONAL
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 | 25 x 25 x 2 | 450 |
 | 30 x 15 x 2,5 | 500 |
 | Ø 22 | 200 |
 | Ø 33,7″ X 2,3 | 400
200 |
 | Ø 40 X 1,5 | 500 |
 | 35 x 35 x 5 | 400 |
 | 30 X 30 X 4 | 550 |