Laser Heating System

L16490-343

Laser heating system that consists of an optimum light source (SPOLD® LD irradiation light source), fiber and lens for plastic welding. It is possible to obtain welding strength up to the extent of base metal fracture, and uses a proven light source for automotive applications. The adhesive-free bonding technology is also highly recyclable and environmentally friendly.

Advantages of plastic welding

Laser plastic welding - Penetration welding method

*Sample courtesy: Asahi-Kasei Corporation

Laser plastic welding - Penetration welding method

*Sample courtesy: DuPont  (renewable resource material Sorona®)

Laser plastic welding - Penetration welding method (Laser absorber)

*Sample courtesy: Orient Chemical Industries Co., Ltd.

Improvement of process efficiency

  • Reduction of parts due to no O-rings and no adhesives
  • Simplification of process due to bonding and waterproofing by laser irradiation only.
  • High speed bonding
  • Stabilization of processes due to no wear and consumables
  • Easy full automation

 

Higher value-added products

  • High strength bonding enabling the same bonding strength as the base metal
  • Reduction of internal impacts due to vibration-free and local heating
  • Improvement of appearance by melting only the interface

Applications

Automotive plastic parts

Various containers (liquid sealing, easy peeling)

OA equipments

Specification

Parameter Specification
Main laser light
(at maximum current setting)
Radiant power ≧30 W 
Oscillation type CW
Peak emission wavelength 940 nm ± 20 nm
Red guide light
(ato maximum current setting)
Radiant power < 0.001 W
Peak emission wavelength 650 nm ± 50 nm
Dimensions (W x H x D) Approx. 360 mm × Approx. 230 mm × Approx. 360 mm
Weight 17 kg
Fiber length Approx. 5 m (length excluding fiber inside of the laser light source: approx. 4.5 m)
Spot size φ0.2 mm , φ0.8 mm

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