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On the specific applications of laser processing in the plastics industry

    Core Tip: Since the reform and opening up, the plastic industry as traditional industries have been sustained, rapid and healthy development for over 30 years. But the arrival of the international financial crisis, resulting in various industries around the world have different degrees of contraction in global demand structure is facing change, it will also lead to a re-shuffle of the plastic industry. The plastics industry must reduce manufacturing costs, shorten the development cycle, improve the core competitiveness of the plastics industry in order to completely overcome the global financial crisis, present this once in decades.

     
    The laser processing using a laser beam projected onto the thermal effect of the surface to complete the processing, including laser cutting, laser engraving (laser marking).

    Laser with high brightness, high directionality, high monochromaticity and high coherence of the four characteristics, so give the laser processing of plastic products to bring some of the other common processing methods do not have good features.

    Laser processing in the plastic industry specific applications as follows:

A laser cutting plastic products:

    Plastic laser cutting laser beam is focused on the surface of plastic materials using high-temperature properties of the laser material melting, and the compressed gas of the laser beam to blow away the molten plastic products, and the laser beam and plastic products along a certain trajectory for the relative motion, thereby cutting process to form a certain shape.

    Plastic laser cutting processing advantages:
  
    Specific applications of the laser cutting of plastic products:

    Laser cutting plastic outlet: the quality of laser cutting, belonging to non-contact cutting and trimming a small heat-affected, the basic workpiece thermal deformation, completely avoid the collapse of the edge formed by blanking die, laser kerf smooth, generally do not the need for secondary processing.

    As shown for the laser cutting plastic buttons outlet:

    Laser cutting manufacture new plastic product samples: Laser cutting can improve the speed of new product development: the formation of product drawings, we can immediately after laser processing, and samples of new plastic products in the shortest possible time.

    Figure laser cutting, laser engraving processing acrylic samples:

    Laser cut into the production of plastic products: plastic mold investment savings: plastic laser cutting does not require mold, mold consumption, no need to repair the mold, saving the replacement of mold time, thus saving processing costs, reduce production costs, particularly suitable for large products or the processing of small quantities of plastic products.

    As shown for the laser cutting plexiglass :
     
Second, the plastic products laser engraving:

    Plastic laser engraving process is the use of high energy density characteristics of the laser irradiation to the plastic surface of the product, the product surface material vaporization and laser process to produce a clear pattern.

    Laser engraving concrete application of plastic products:

    The sign of a laser engraving process products: laser engraving products logo, has a very clear and delicate features, but also has the advantage of never wear.
 The pattern of the laser engraving process plastic products: laser engraving process, and can be arbitrarily complex engraving pattern, pattern, crisp and clear, with the incomparable superiority of the other processing methods.