PWI
National Academy of Sciences of Ukraine
E.O. Paton Electric Welding Institute

 

MODEL EWS-101
MACHINE FOR BIMETALLIC SAW BLADES STRIP
CONTINUOUS EBW

  • Electron beam source of 120 kV with high power density in a cross over ensures extremely narrow and parallel welds.
  • High-precision strip alignment device mounted on a movable chamber wall reduces the machine idle period at a cleaning/adjustment procedures.
  • Double-reel unwinding-winding system permits immediate changeover of strip coils while welding.
  • Two electron guns (of 60 or 120 kV) are intended for either single weld or two simultaneous welds continuous performance.

 APPLICATIONS

Continuous EB welding of bimetallic strip (high-speed steel+structural alloy steel) for hand saw and band saw blades production.

 MACHINE DESIGN

  • The working chamber of a stripwelder is equipped with vacuum set of so-called air-to-air system, which comprises entry and exit vacuum locks. High-precision strip alignment device is mounted inside chamber on a door, movable along the welding direction. The latter ensures the ease of guiding device adjustment for new strip dimensions, cleaning of chamber as well. The electron guns have an independent turbomolecular pumping systems. The cathode area is isolated by the column vacuum valve to keep the gun under vacuum when working chamber is vented. On a special order the stripwelder is supplied with an automatic seam tracking system and unit for continuous quality testing of welds by Foucault (eddy) current.

 TECHNICAL DATA

Power requirements380V - 10%
Cooling water consumption<25 oC, 20 l/min
Thickness of strips0.6-1.2 mm
Total width of strips up to 40 mm
Welding speedup to 15 m/min

Semi Processed


Final Product


Rated by PING
  Prof. Oleg K. Nazarenko
E.O. Paton Welding Institute
11 Bozhenko St., Kyiv 03680, UKRAINE
Tel/Fax: (380 44) 525-4319
E-mail: nazarenko@technobeam.com.ua
1999– 2008 PWI

About Us | Power Units | Machines | Technologies | Control | News

Webmaster