Method and apparatus for welding ring bandknife

Method and apparatus for welding ring bandknife

  • CN 1,025,534 C
  • Filed: 07/01/1992
  • Issued: 07/27/1994
  • Est. Priority Date: 07/01/1992
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of welding process that is used for annular belt knife is welded into bar shaped steel band two ends butt joints and can cuts the annular belt knife that plastics, belt, paper, cloth are used, and it is characterized in that may further comprise the steps:

  • (a) from thickness at 0.3-1.2mm, carbon content is cut homogeneous material as welding wire on the high-carbon steel band of 0.5%-1.0%;

    (b) with thickness at 0.3-1.2mm, carbon content flattens opposite joint and fixing at the high-carbon steel band two ends of 0.5%-1.0%, and the steel band two ends are preheated to 250 degree-450 degree;

    (c) put the steel band two ends in argon gas, usefulness tungsten electrode pulse high-frequency argon arc welding machine, welds it as welding wire with homogeneous material;

    (d) weld seam is carried out tempering immediately, tempering time 1-15 minute, tempering temperature 600 degree-1500 degree.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×