PVB shaping or stretching

 

Purpose

PVB SHAPING OR STRETCHING prepares PVB interlayer sheets for the production of windscreens. It gives both commercial and economical benefits to the windscreen producer.
  •  increases the aesthetic and comfort values of top-shaded windscreens
  • gives savings of 15-25 % with top-shaded PVB and 10 % with uniformly coloured PVB

Application

Clear, tinted and top-shaded PVB can be processed. The line is well adapted for shaping both refrigerated and interleaved PVB. It is equipped with automatic interleaf rolling-out system.

The machinery can be used for :

  • shaping top-shaded or uniformly coloured PVB with the minimum radius of 2100 mm
  • stretching PVB to optimal thickness within quality requirements
  • cutting clear and tinted interlayer at any desired angle between 0-25º
  • shaping, stretching and cutting machines can also be operated individually

Production Capacity

  • Shaping: The operating speed for shaper SMF 3: 3m/min, for SMF 6: 6m/min
  • Cutting: Max. speed for FCM cutter is 6 m/min; When used as a part of the line the cutting machine is synchronised with the shaper or relaxation module.
Savings

In optimal use, the line

  • minimises waste
  • offers considerable savings by more efficient use of PVB
  • decreases stock items
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