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Choosing a Welding Procedure

9/19/2014

 
Picture
Pendulum Welding (PW) 
  • Slowest welding technique
  • Best for very confined spaces
  • Best for short seams and repair work
  • For plastic as thick as 5-10 mm
  • The operator must ensure the following:
    • Even heating of both plastic and welding rod
    • Vertical orientation of welding rod
    • Sufficient welding force
Picture
Speed Welding (SW) 
  • A.K.A. Draw Welding
  • Faster than PW
  • Allows welding in tight spaces
  • Not suitable for PVC-U welding
  • For plastic as thick as 10 mm
  • Advantages over pendulum welding:
    • Higher welding speed
    • Thicker materials with larger gaps can be welded
Picture
Extrusion Welding (EW) 
  • Faster than SW
  • More space needed due to tool size
  • Better seam quality
  • For plastic as thick as 40 mm

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​944 Zelco Drive Burlington ON L7L 4Y3 | 1-888-438-6324 | [email protected]
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  • Home
  • Equipment Supply
    • Flooring
    • Geomembrane
    • Industrial Fabrics
    • Manufacturing
    • Plastic Fabrication
    • Roofing >
      • Distributors
  • Design Services
    • Design Services
    • Cosmetics
    • Deflashing Systems
    • Drying Bottles & Cans
    • Process Heat Systems
    • Shrinking Labels
  • Repair
    • Repair Service
    • Tech Tips
  • Resources
    • Articles
    • Case Studies
    • System Design Calculations
    • Whitepapers
  • About
    • About Us
    • Technology Providers
  • Contact