Butt welding machine for plastic sheets

METAL WORKING CZ SP 4000 CNC

The WORK SP 4000 CNC butt welding machine for plastic sheets is manufactured by the Czech company METAL WORKING CZ, s.r.o. It was produced in 2014, is in excellent condition, and comes with a spare Teflon coating. This is a high-tech industrial machine with CNC control, designed for the precise welding of thermoplastic sheets and panels.

The main technical parameters and features of this machine series include:

Main technical parameters:
Maximum working width (welding length): 4000 mm, allowing for the processing of very large plastic sheets.
Thickness of materials to be welded: Typically in the range of 2 mm to 25–30 mm (depending on the specific modification and type of plastic).
Compatible materials: Thermoplastic sheets made of PE (polyethylene), PP (polypropylene), PVDF (polyvinylidene fluoride), and PVC (polyvinyl chloride).
Welding type: Butt-welding with a heating element, using the heated element / hot plate welding method.
Control and CNC functionality:
Fully automatic cycle: The CNC control precisely manages all phases of the welding process: preheating, transfer time, welding pressure creation, and cooling time.
Material database: A system with pre-set welding parameters according to international standards (e.g., DVS standards for welding plastics).
Data logging: Automatic generation and recording of welding protocols for quality control (containing information on pressure, temperature, and cycle duration).
Advantages of the design:
High mechanical stability: A massive steel frame ensures even distribution of pressure along the entire length of the 4-meter sheet.
Hydraulic system: Precise adjustment of the clamping force, guaranteeing a homogeneous weld seam without internal stresses.
Teflon coating: The heating element is equipped with a high-quality non-stick coating for easy cleaning and to prevent material burning.

Length: 5700 mm
Width: 1330 mm
Height: 1300 mm
Weight: 2850 kg
Working length: 4100 mm
Working height of the machine: 950 mm
Minimum thickness of the plastic sheet: 4 mm
Maximum thickness of the plastic sheet: 40 mm
Machine power: 8 kW
Operating voltage - electrical circuits: 3 PEN 50Hz 400/230V
Air consumption: 0.8 m³/h
Minimum pneumatic pressure: 0.8 MPa
Maximum pneumatic pressure: 1.0 MPa
Standard for electrical equipment: EN 60204-1
Applicable basic and technical standards: See Chapter 3.3 of the manual
Maximum noise level at the workstation: 70 dB

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