18 December 2024

Press brake 330/4000 for ZVVZ

ZVVZ is a major group based in the Czech Republic, operating in the fields of flue gas purification, separation and filtration, fans, nuclear power, pneumatic conveying, silo and tank production. For this customer we built a hydraulic press brake with SuperCustom design, a capacity of 330 tonnes and a table length of 4100 mm. The open height is 600 mm, with a stroke of 400 mm.

Main features

This 330/4000 is equipped with the wedge crowning system with microregulation and the E-Reflex deformation compensation system, which monitors the bending of the structure via a network of sensors in the press brake and hydraulic system. The error is measured and compared with the crosshead position and oil pressure.

CNC and software offline

The CNC is the Delem DA-66S, with Delem Profile Lite SL 2D offline software.

DA-66S features:

  • High resolution 24’ touch screen (16:9)
  • 3D visualisation of bending sequence
  • 2D programming
  • DXF file import
  • 3D visualisation of offline programme
  • Offline software included: Profile-SL

The device is applied on a mobile console.

Safety system

The DSP-AP laser safety system with PLC allows the speed change point to be reduced by up to 4 mm from the sheet. This allows the upper beam to operate at high speed for longer, limiting the stretch where speed slows during the bending sequence to a minimum. The time advantage over a light curtain or other guarding is approximately 1.2 seconds per bend. In addition, the DSP-AP laser includes an auto-blanking function, which automatically recognises boxes and profiles with side walls, ensuring optimal protection and increased productivity.

Clamping system

The upper and lower clamping systems are hydraulic.

The lower clamping also allows the use of Promecam tools (60 mm) and Wila dies (13×20).

Backgauge

The backgauge is configured on 6 axes (X-R-Z1-Z2-X5-X6) fully controlled by the CNC, with an additional stop for precision positioning.

The system also features an increased X-axis stroke of 800 mm (with a 1000 mm support surface).

Front sheet lifter

This press brake is equipped with a front sheet lifter. This is a movable sheet metal support placed at the front of the machine, at the height of the bending line (lower tool). Controlled by the CNC, it supports the sheet metal during the bending process.

Other systems and accessories

In addition, this X-press has been implemented with:

  • ECO energy-saving package
  • 1 wireless sliding foot pedal
  • 1 additional sliding support
  • Provision for Tele-Link remote assistance
  • LED work area lighting

The electrical cabin has been moved to the left side.

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