CNC 4-roll bending machine

Schäfer SVRM 3500/12

Schäfer SVRM 3500/12 - CNC 4-Roller Plate Bending Machine

- Siemens CNC control with joystick for roller positioning and digital display (upgraded in 2006)
- Hydraulic tilting of the top roller via control panel
- Rollers made of hardened material with a strength of 900 N/mm²
- Year of manufacture: 1989

Technical Data
- Max. sheet width: 3500 mm
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- Roller barrel length: 3550 mm
- Max. sheet thickness (bending): 12 mm
- Max. sheet thickness (pre-bending) 4xS/3xS: 8 / 6 mm
- Max. yield limit of sheets at 20% cold work hardening: 380 N/mm²
- Top & bottom roller diameter: 360 mm
- Side roller diameter: 290 mm
- Smallest achievable bending radius: 220 mm
- Feed speed, bottom roller: 200 mm/min
- Feed speed, side rollers: 700 mm/min
- Total installed power: 22 kW
- Electrical system: 380 V / 50 Hz / 3 Ph
- Space requirements including control, hydraulics & roller conveyor (WxHxD): approx. 7900 x 3300 x 4600 mm
- Pit depth: 900 mm
- Machine weight: 21,100 kg

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