Orbital welding apparatus

Details Orbital welding apparatus Orbital welding apparatus

1990-10-31

1992-08-04

Shaw, Clifford C.

Electric heating

Metal heating

Of cylinders

21912511, B23K 912

Patent

active

051361345

ABSTRACT:
An orbital welding apparatus comprising a modular weld head unit including a circular rotor carrying a welding electrode for rotation about an axis for welding abutting ends of tubular members positioned in alignment on the axis. A drive assembly for driving the rotor includes a motor unit carried in a separate modular housing for ready manual connection and disconnection from the weld head unit. In the preferred form a transmission module is connected with the motor unit and connects to the weld head unit by a flexible drive shaft assembly to allow the motor unit to have substantially any desired orientation relative to the weld head unit. There is also disclosed a separate clamping assembly for holding the tubular members relative to the weld head unit.

REFERENCES:
patent: 3225171 (1965-12-01), Tinnes
patent: 3636294 (1972-01-01), Peyrot
patent: 4199673 (1980-04-01), Theibaut et al.

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