Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – Circle cutter
Patent
1980-01-17
1981-04-28
Rutledge, L. Dewayne
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
Circle cutter
266 57, 266 72, 2940213, 2940208, B23K 710
Patent
active
042640580
ABSTRACT:
A mechanized truck bolster ring renewal system is described for cutting the worn bolster ring from a truck bolster and for welding a new bolster ring onto the truck bolster. A bolster clamp mechanism is pivotally mounted on a frame and includes means for centering the truck bolster as well as clamping the truck bolster thereon. A hydraulic cylinder is provided for pivotally moving the bolster clamp from a horizontally disposed position to a vertically disposed position. Apparatus is provided for permitting the selective rotation of the bolster clamp and the bolster thereon. A cutting torch is mounted on a horizontally movable arm and is moved in place adjacent the bolster ring. The cutting torch is ignited and cuts the ring from the truck bolster as the bolster clamp rotates. After the worn ring has been cut from the truck bolster, the torch assembly is removed from the horizontally extending arm with a ring mandrel being installed thereon. A new bolster ring is positioned on the ring mandrel and is positioned adjacent the truck bolster. The ring is tack welded in position and the horizontal arm is then retracted. The ring mandrel is removed from the horizontal arm and a welding torch is installed. The horizontal is then extended into position with welding torches then welding the inside and outside diameters of the ring to the truck bolster. When the welding is complete, the horizontal arm is retracted and the bolster clamp mechanism is lowered into its horizontal position and is removed therefrom.
REFERENCES:
patent: 974798 (1910-11-01), Jacoby et al.
patent: 1900682 (1933-03-01), Alcott
patent: 4150815 (1979-04-01), Srp
Carl Robert J.
Wear Charles W.
Rutledge L. Dewayne
Sheehan John P.
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