ZGTEK offers fully-automatic ring forming and welding machines. the company also supplies simple machines which only form the rings, the welding needs to be done on a separate butt welder.

Automatic snap band making machine for filter bags, or snap band riveting machine, this machine is the fully automatic solution for the production of snap bands.

Based on different mesh sizes, wire thicknesses and aperture sizes, ZGTEK offers different solutions.

> Products > Top Collar Welder for Oval Cages
Product Picture


  • Model: D6S-80B
  • Input voltage: 380V (2-phase) or specified by customer
  • Power freq.: 50/60Hz
  • Power capacity: 80KVA
  • Instant power in sync mode: 20KVA
  • Air flow: 300L/min
  • Air pressure: 0.6-0.8MPa
  • Cooling method: Natural cooling
  • Insulation grade: F
  • Weight: 600KG


  • This machine is used to fix the top collar to the oval cage
  • When welding, D6S-80B uses the hanging surface as reference, which is exactly the way cages are mounted in the baghouses, also the top collar will be locked during welding, so it's much eaiser to achieve good perpendicularity
  • Specifically designed cyclinder ensures stable air pressure and welding speed
  • The newest version adopts touch screen controller, easy to operate
  • Top support locating flange and adjustable stand ensures the perpendicularity between the support and cage axis