Advanced welding          processes

Selection of best process parameters for advanced welding processes  is very important for mass production.
Guide parameters for Friction welding

1. Friction welding of Low carbon steels

dia 25 mm: typical parameters

Spindle speed : RPM  1000-1500
Friction or heating pressure  3-5 kgf/sq.mm

Forging pressure  6-8 kgf/sq.mm

Friction time  6 sec

Forging time  4 sec

2.Friction welding of austenitic stainless steel

dia 25 mm

RPM  1125

Friction pressure 5-7kgf/sq.mm

Friction time  9-12 sec

Forging pressure  10- 12 kgf/sq.mm

Forging time   5-7sec

Welding Research

Propeller shaft friction welding machine

Guide parameters for Electron beam welding
1.Electron beam welding of Low carbon steels

Thickness 100 mm

Beam power :33kW

welding speed :2mm/sec

single pass weld

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