Bernardo MTR 2560 × 4 mm NCC Motorized Guillotine Shear with Pneumatic Support
Bernardo MTR 2560 × 4 mm NCC Motorized Guillotine Shear with Pneumatic Support is backordered and will ship as soon as it is back in stock.
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Bernardo MTR 2560 × 4 mm NCC Motorized Guillotine Shear with Pneuma...
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Description
The Bernardo MTR 2560 × 4 NCC motorized guillotine shear cuts sheet metal up to 4 mm (400 N/mm²) over 2520 mm in length, with a cutting angle of 1°30', 31 strokes/min, motorized NC backgauge 0–750 mm, working height 800 mm, and a 7.5 kW motor. Weight 3500 kg. Distributed in Italy by Krollit as the official Bernardo distributor since 2007.
- Cutting length: 2520 mm
- Max. sheet thickness (400 N/mm²): 4 mm
- Cutting angle: 1°30'
- Strokes/min: 31
- Working height: 800 mm
- Backgauge: 0–750 mm (motorized NC)
- Table width: 450 mm
- Motor: 7.5 kW
- Weight: 3500 kg
Who uses the MTR 2560 × 4 NCC and for what
The Bernardo MTR 2560 × 4 NCC is a motorized guillotine shear with pneumatic sheet support (MTR series) for industrial cutting of sheet metal in continuous production. With 31 strokes/min over 2520 mm in length and a motorized NC backgauge, it is sized for cutting centers, sheet metal fabricators, and metal structure manufacturers who work with sheet metal in series with consistent quality and repeatability. The MTR series adds pneumatic sheet support: pneumatic pins lift the sheet from the table during positioning, reducing friction and allowing heavy sheets to be moved with less effort — essential for lengths over 2,000 mm or thick sheets. In Krollit's customers' workshops, it is used by sheet metal cutting centers, metal roofing manufacturers, and sheet metal component manufacturers.
Who is the Bernardo MTR 2560 × 4 NCC for
| Profile | Compatibility | Reason |
|---|---|---|
| Hobbyist / light artisan | Not suitable | Industrial shear weighing 3500 kg with NC control. Not suitable for non-professional use. |
| Cutting center / sheet metal fabricator | Ideal | 2520 mm × 4 mm, 31 cpm, NC backgauge: for continuous production with industrial quality and repeatability. |
| High-volume industrial production | Ideal | The motorized NC backgauge and 31 strokes/min ensure the productivity needed for large cutting volumes. |
Not suitable for: sheets over 4 mm; low-volume artisanal use (manual PTS or HSG shears have a much lower cost); installations without adequate space for 3500 kg and 3225 mm length.
Technical specifications
| Specification | Value |
|---|---|
| Cutting length | 2520 mm |
| Max. sheet thickness (400 N/mm²) | 4 mm |
| Cutting angle | 1°30' |
| Strokes per minute | 31 |
| Working height | 800 mm |
| Backgauge | 0–750 mm (motorized NC) |
| Table width | 450 mm |
| Motor power | 7.5 kW |
| Pneumatic sheet support | Yes (MTR series) |
| Dimensions (L × W × H) | 3225 x 2250 x 1400 mm |
| Weight | 3500 kg |
Compliance and safety
| Specification | Value |
|---|---|
| Marking | CE |
| Directive | Machinery Directive 2006/42/EC |
Logistics
Bernardo shipping: 5–9 business days (7 days to the South). With 3500 kg, delivery requires appropriate unloading equipment: coordinate with Krollit before delivery. Original spare parts available with 3–5 business day shipping. Customer support available in Italian.
Frequently Asked Questions
What is the difference between the MTE series and the MTR series?
Both have a motorized NC backgauge, the same number of strokes (31/min), and a similar structure. The MTR adds pneumatic sheet support: pins that lift the sheet during positioning, reducing friction, which is essential for long (over 2,000 mm) or heavy sheets. The MTE does not have this support — the sheet slides directly on the table. For standard production with light sheets, the MTE is sufficient; for heavy sheets or large formats, the MTR significantly facilitates the operator's work.
What is the maximum thickness for stainless steel?
The nominal thickness of 4 mm refers to S235 steel (400 N/mm²). For AISI 304 stainless steel (600 N/mm²), the capacity is reduced by 30–40% (approx. 2.6 mm). Always check with Krollit for specific high-strength materials.
Are the blades reversible?
Yes. The shear blades have 4 cutting edges: when one edge is worn, the blade is rotated to expose the next cutting edge, before complete replacement. Original Bernardo replacement blades are available with 3–5 business day shipping.
Is three-phase power required?
Yes. The 7.5 kW motor requires 400V three-phase power. Verify the availability of the three-phase system at the installation site before ordering.
How much space is needed for installation?
Footprint 3225 x 2250 x 1400 mm. For sheet handling, free space at least equal to the cutting length (2520 mm) is needed in front of and behind the machine. With 3500 kg, coordinate with Krollit for the necessary unloading equipment.
