Contact Equipment For Submerged Arc Welding - ESAB A2 TF Instruction Manual

GB
4.4

Contact equipment for Submerged arc welding

4.4.1 For single wire 1.6 - - 4.0 mm. Light duty (D20)
Use automatic welding machine A2 TF (UP) where
the following are included:
Wire feed unit (1),
S
Connector D20 (2)
S
Contact tip (3) (M12 thread).
S
Tighten the contact tip (3) with a key in order to
ensure that a good contact is achieved.
4.4.2 For twin wires 2 x 1.2 - - 2.0 mm, Light Twin (D35)
Use automatic welding machine A2 TF (UP, Twin)
where the following are included:
Wire feed unit (1),
S
Connector Twin D35 (2)
S
Contact tip (3) (M6 thread).
S
Fine--Wire feed unit (5)
S
Guide tubes (4, 6).
S
Tighten the contact tip (3) with a key in order to
ensure that a good contact is achieved.
Adjustment of the wires for Twin- -arc welding:
Position the wires in the joint so as to achieve optimal weld quality by rotating the
S
connector. The two wires can be rotated so that they are positioned one after the
other along the line of the joint, or in any position up to 90° across the joint, i.e.
one wire on each side of the joint.
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