Process for pre-setting mounting holes for cutting and ejection

Details Process for pre-setting mounting holes for cutting and ejection Process for pre-setting mounting holes for cutting and ejection

1982-02-03

1985-04-16

Moon, Charlie T.

Metal working

Method of mechanical manufacture

With separating, localizing, or eliminating of as-cast...

29407, 29465, 29558, 33174G, 76107C, 409 3, 493342, B23P 1900

Patent

active

045106673

ABSTRACT:
A method and apparatus for pre-setting the mounting holes for cutting and ejection tools characterized by a template which has a pattern of holes including centering holes and an arrangement for positioning both a cutting form and an ejection board whether it is the first or second ejection board relative to the cutting form. In the method, the cutting form is placed on the template and the centering holes are formed. Then with a pin received in each of the centering holes formed in the board the mounting holes are formed utilizing the holes of the template for guiding a drill, then an ejection board such as the second ejection board is aligned on the template with the cutting form and has centering holes formed using the centering holes of the template and the cutting form to guide and locate the drill bit. Additional mounting holes can be formed after providing the centering holes. Next, the second board is replaced by the first board, which has its centering holes formed utilizing the centering holes of the template and the cutting form to guide the drill and then after removal of the cutting form additional mounting holes which are arranged in at least two separate groups are formed.

REFERENCES:
patent: 1995711 (1935-03-01), Irmis
patent: 2939347 (1960-06-01), Tobey
patent: 3062083 (1962-11-01), Strnad
patent: 3170342 (1965-02-01), Downie
patent: 3249272 (1966-05-01), Scarpa
patent: 3653304 (1972-04-01), Lenoir
patent: 4015495 (1977-04-01), Yerly
patent: 4112827 (1978-09-01), Kang

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