KAH-412 LA Auto Feed Weld Head

Automatic Stud Welding Head with Digital Display for CD or ARC stud welding with automatic stud feeding according to current standards.

KAH 412 LA Spec Sheet


Welding range #4 to 5/16″

  • Process variants: contact welding, gap welding, short cycle drawn arc welding, and drawn arc welding
  • Rigid casing made of metal
  • Zero-play ball linear bearing for guiding the welding piston, to ensure maximum precision for welds
  • Integrated lift and spring-loaded adjustment
  • Direct reading for the adjusted plunge and lift dimension
  • Torsion-resistant aluminum-casing to accommodate all function elements (e.g. ball bearing guide) and accessories
  • Sealed welding piston guidance
  • Compact dimensions
  • Stud length is freely adjustable (up to 40 mm; other lengths available on request)
  • Digital display (1/100 mm) for the position of the welding piston using integrated measuring system
  • Infinitely adjustable spring-loaded adjustment can be read off the scale directly
  • Prisma clamping system for fast exchange of the complete stud welding head
  • Push button detect system to facilitate changing the feeding tube
  • Mechanical structure tested in production
  • Electronically controlled
  • Lock-in spring adjustment
  • Lock-in lift adjustment
  • Reproducible piston movement with minimized rebound effect for optimum welding quality via lift damper
  • High level of security to prevent the selected settings being changed inadvertently
  • Guidance system protected against spatters
  • Individual adjustment options for optimum welding results
  • Welding on painted sheets possible (clean, smooth and flat surfaces and grounding required)
  • Possible to match with special welding elements
  • Manual or fully automatic stud feed possible (welding element is automatically pushed through the feed tube in the chuck)