Metal tools and implements – making – Blank or process – Saws
Patent
1991-02-04
1991-08-20
Parker, Roscoe V.
Metal tools and implements, making
Blank or process
Saws
B23D 112
Patent
active
050404369
ABSTRACT:
Wear-resistant tips, preferably comprising preformed pellets of Stellite in square configuration, are welded, cooled and subsequently annealed to a saw tooth at a single machine station in rapid succession. A head assembly manipulates the individual pellets and positions them properly on the saw blade for forging thereto. The square configuration of the pellets permits their reliable manipulation and orientation by the automated equipment. The duration of the pellet welding phase is determined by the displacement of the pellet into the saw blade, rather than by reliance on a predetermined time period. After cooling, the annealing is accomplished by using the same electrical power supply as is employed for the welding. The duty cycle of this power supply, however, is regulated to produce the amount of annealing heat required for the particular steel being worked. After the welding, cooling and annealing operations are performed on one tip on one saw tooth, the saw is indexed to bring the next tooth into position for processing.
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Original Vollmer Brochure, "GWA 11 U, Automatic Machine for the Stellite Tipping of Tooth Tips of Band, Gang and Circular Saw Blades".
Alligator Brochure, "Depomatic Plasma PS, Automatic Stellite Tipping Machine".
H. S. International Brochure, "The ISELI Sawblader Tipping System".
Chaston Industrial Saw Ltd. Brochure, "ISELI Type SAA Automatic Saw Tipping Machine".
Original Vollmer Brochure, "GF 10 U, Machine for the Stellite Tipping of Band Saws, Gang Saws and Circular Saws".
Armstrong Manufacturing Company
Parker Roscoe V.
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