MRM 1550 Series • Motorised Plate Rolls
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The MRM 1550 Series comprises heavy-duty motorised three-roll plate rolls with a 1550mm bending length and mild-steel capacities from 6.0mm to 9.0mm, depending on model. The range is suited to general fabrication, curved sheet-metal components, machine covers, HVAC ducting, advertising panels and aluminium work.
The asymmetrical initial-pinch roll arrangement provides efficient rolling and pre-bending. Upper and lower rolls are directly driven through a hardened gear system to provide positive material feed, while the motorised rear roll with mm counter supports controlled, accurate adjustment. Each machine includes a manual drop-end top roll for easy removal of finished work, a mobile three-position foot pedal with emergency stop, a conical bending device and a heavy-duty brake motor.
The MRM 1550 Series Plate Rollers boast robust construction with solid steel gable-ends and a modern, clean surface design. These machines handle sheet sizes up to 1550 mm in width and up to 9.0 mm in thickness for mild steel. Featuring an independently mounted three-roll design, they provide high productivity with easy roll adjustments. Both upper and lower rolls are driven to prevent material marking through slipping, and the high-polish finish protects pre-finished components, even those made from highly sensitive materials.
Key features include the easy removal of the finished tube by swinging out the top roll, motorized adjustment of the back roll, and a mobile control panel with a three-position foot pedal, including an emergency stop.
Technical Specifications
- Working Length: 1550 mm
- Mild Steel Capacity: 6.0 mm to 9.0 mm
- Pre-Bending Capacity: 5.0 mm to 8.0 mm
- Minimum Bending Diameter: 195 mm to 285 mm
- Roll Diameter: 130 mm to 190 mm
- Roll Speed: 6.0 m/min
- Motor Power: 2.20 / 1.1 kW to 3.75 / 1.5 kW
- Overall Dimensions: 2720 × 660 × 1050 mm to 3020 × 800 × 1200 mm
- Weight: 1450 kg to 2530 kg
Features
- Asymmetrical Initial-Pinch Rolls: Three-roll arrangement for efficient rolling and pre-bending.
- Dual Driven Rolls: Upper and lower rolls driven directly through a hardened gear system.
- Polished Alloy-Steel Rolls: Helps protect pre-finished and sensitive materials.
- Motorised Rear Roll: Adjustment with mm counter for controlled, repeatable settings.
- Manual Drop-End Top Roll: Allows straightforward removal of completed cylindrical workpieces.
- Mobile Foot Pedal: Three-position foot pedal including emergency stop.
- Conical Bending Device: Included for rolling conical components.
- Heavy-Duty Brake Motor: Supports precise and controlled rolling.
- CE Marked: Built to comply with current EC Safety Directives.
Optional Equipment
- Digital Read-Out: For rear-roll position.
- Hardened Rolls: For applications requiring increased roll wear resistance.
MRM 1550 Series Model Comparison
| Specification | MRM 1550-130 | MRM 1550-150 | MRM 1550-170 | MRM 1550-190 |
|---|---|---|---|---|
| Article Number | 14110740 | 14110750 | 14110760 | 14110770 |
| Working Length | 1550 mm | 1550 mm | 1550 mm | 1550 mm |
| Mild Steel Capacity | 6.0 mm | 7.0 mm | 8.0 mm | 9.0 mm |
| Pre-Bending Capacity | 5.0 mm | 6.0 mm | 7.0 mm | 8.0 mm |
| Minimum Bending Diameter | 195 mm | 225 mm | 255 mm | 285 mm |
| Roll Diameter | 130 mm | 150 mm | 170 mm | 190 mm |
| Roll Speed | 6.0 m/min | 6.0 m/min | 6.0 m/min | 6.0 m/min |
| Motor Power | 2.20 / 1.1 kW | 3.75 / 1.1 kW | 3.75 / 1.1 kW | 3.75 / 1.5 kW |
| Overall Dimensions L × W × H | 2720 × 660 × 1050 mm | 2720 × 680 × 1080 mm | 2820 × 700 × 1100 mm | 3020 × 800 × 1200 mm |
| Weight | 1450 kg | 1650 kg | 1830 kg | 2530 kg |
How to Choose a Plate Roll
Choose a plate roll by considering the material, maximum sheet thickness and bending length first. Then check the minimum bending diameter required, together with whether the work is occasional, regular or production use. Capacity figures should always be assessed against the actual material grade and whether the application requires rolling or pre-bending.
1. Material and Thickness
Select a machine based on the thickest material you need to roll, not the material you handle most often. Mild-steel capacity is the normal reference point; stainless steel generally requires a larger machine, while aluminium may allow a higher capacity. For consistent production work, allow a sensible margin rather than operating continually at the machine’s stated maximum.
2. Bending Length
The bending length must accommodate the widest sheet or component you need to form. Allow clearance beyond the finished part width where practical, particularly if workpieces need to be positioned accurately or repeatedly.
3. Minimum Bending Diameter
The minimum bending diameter is determined mainly by roll diameter and machine geometry. Smaller rolls can produce tighter diameters, while larger rolls are normally better suited to heavier material. Confirm the required finished diameter before selecting a machine.
4. Pre-Bending Requirement
Pre-bending reduces the flat section left at the leading and trailing edges of a rolled sheet. If you need cylinders, cones or curved components with minimal flat ends, choose a machine with suitable pre-bending capacity rather than relying only on its maximum rolling capacity.
5. Manual or Motorised Operation
Manual slip rolls suit lighter-duty work, thinner material and occasional use. Motorised plate rolls provide more controlled, repeatable rolling for heavier sheet, wider material and regular fabrication. Motorised rear-roll adjustment is particularly useful where settings need to be repeated between parts.
6. Finished Part and Production Requirement
Consider the full application: material type, sheet thickness, bending length, finished diameter, quantity of parts and required edge quality. This gives a better basis for machine selection than choosing only by nominal capacity.
Need help selecting a plate roll? Send us the material grade, thickness, bending length, finished diameter and expected quantity, and we will recommend a suitable machine.
Plate Rolls and Slip Rolls Frequently Asked Questions
Find answers to common questions about plate rolling capacity, roll diameters, pre-bending, materials, machine selection, installation and servicing.
The MRM 1550 Series provides a choice of four heavy-duty motorised plate rolls for 1550mm-wide mild-steel sheet. Models are available with capacities from 6.0mm to 9.0mm and roll diameters from 130mm to 190mm.
Designed for general fabrication, HVAC ducting, covers and curved sheet-metal components, the range uses an asymmetrical initial-pinch three-roll arrangement with directly driven upper and lower rolls. The motorised rear roll with mm counter provides controlled adjustment, while the manual drop-end top roll allows straightforward removal of completed cylindrical workpieces.
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