The Mackma RB100i ring roller machine is a small-sized professional hydraulic machine. It has three motorized rollers and a 25 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 | 25 ton |
| Distance Between Shafts | – |
| Shaft Diameter Top | 315 mm |
| Shaft Diameter Bottom | 315 mm |
| Roller Diameter Top | 100 mm |
| Roller Diameter Bottom | 100 mm |
| Speed | 7 m/min |
| Motor | 7,5 Kw |
| Voltage | 400 V 50Hz |
| Operating Position | Vert./Hor. |
| Posit.Centre Roll | Hydraulic with control |
| Antitwist Side-Rollers | Manual |
| Display | Digital |
| Number of Programs | – |
| Activation | digital control |
| Noise Level | < 70 db |
| Dimensions | 2000x1450x1700h |
| Weight | 3650 kg |
BENDING PERFORMANCES PROFILE TYPE STANDARD
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 | 60 x 60 15 x 15 | 750 400 |
 | 100 x 20 30 x 10 | 800 400 |
 | 200 x 30 160 x 35 80 x 5 | 1200 800 400 |
 | 100 x 11 30 x 4 | 1000 400 |
 | 100 x 11 30 x 4 | 1000 400 |
 | 90 x 10 30 x 4 | 1000 400 |
BENDING PERFORMANCES PROFILE TYPE OPTIONAL
| PROFILE TYPE | MAX CAPACITY mm | MIN Ø mm |
 | 80 x 80 x 5 25 x 25 x 2 | 1500 450 |
 | 1000 x 40 x 4 25 x 15 x 2 | 1300 400 |
 | Ø 75 Ø 15 | 800 450 |
 | 125 X 2,5 15 X 1 | 1400 450 |
 | 4X 6,02 1/2X 2,77 | 1000 450 |
 | 100 X 100 X 12 40 X 40 X 4 | 1000 700 |
 | 100 X 100 X 10 40 X 40 X 4 | 1000 550 |
