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New Edition! - DVS Technical Codes on Plastics Joining Technologies 2015 English Edition. Click here for table of contents.

DVS Technical Codes on Plastics Joining Technologies, 2015 English Edition
Model ST

< Back to Hot Plate / Sheet Butt Welders

The ST Machine range represents the economic alternative to the Wegener butt welding technology. This welding machine, which has a proven track record, is of heavy duty welded steel construction with solid and precision guided machine tables, appropriate for sheet thicknesses of 1/8" to 1" (3 to 25mm) and a working width range of 2 to 6 m(78" - 236").

It goes without saying that the economic model ST is also provided with the patented Wegener parallel mechanism for the machine table drive, thus allowing for a quality and process optimized welding process. The machine controls are easy to operate with the Siemens S7-200 touch screen controller; welding pressures, temperatures and process times are comfortably set manually via the control panel.

To view a comparison of technical data for hot plate/sheet butt welders up to 4 m(157"), please click here.

Model STKey Features

  • Patented mechanical synchronization of the working tables; a novelty to achieve a homogeneous application of pressure in the weld seam area
  • Process forces regulated via proportional valve
  • Siemens S7-200 control system with 5.7" full graphics touch screen
  • Machine design based on a sturdy welded framework construction. All of the machine's components are matched to the relevant load case to ensure the top quality welding of plastics
  • Welding tables in composite construction to eliminate torsion stresses and provide stiffness
  • Pneumatics equipped with maintenance friendly valve clusters of the latest generation
  • Integrated and highly dynamic electronic heating element temperature control
  • Flexibility to end or stop the process times during the welding cycle
  • Robust and in the clamping bar integrated non-rotating clamping feet
  • High quantity of decoupled and anti-twist protected clamping feet in order to match perfectly to each sheet length
  • Highly flexible suspension of clamping feet for secure fixation of sheet adjacent to the welding area
  • Interpretation of the max. machines forces on an 8 bar compressed air supply
  • Ergonomic cleaning position for the heating sword
  • Ergonomic working table height

Options

  • Height adjustable clamping beams ” two steps to process sheet thicknesses ‹ 1” (25mm) PE/PP; twin-wall-sheets up to 2 ” (58mm)
  • Extension arms
  • Automatic locking of clamping beams
  • Material property dataset (parameter) with automated choice of specific welding pressure, temperature and times