Method and apparatus for inserting pins into holes in perforate

Details Method and apparatus for inserting pins into holes in perforate Method and apparatus for inserting pins into holes in perforate

1987-11-25

1989-05-02

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

29739, 29842, H01R 928, B23P 1900

Patent

active

048255386

ABSTRACT:
Inserting pins into a printed circuit board by supporting the board on a vertically adjustable platen and adjusting the height of the platen relative to the lower end of pin insertion strokes so as to control the pin height. A downward load is applied to the board to eliminate warpage and the height of each pin above the board is monitored, any variation in monitored height controlling vertical movement of the platen to make any height adjustment necessary.

REFERENCES:
patent: 3735466 (1973-05-01), Jensen
patent: 3737998 (1973-06-01), Byrd
patent: 3768134 (1973-10-01), Reda et al.
patent: 3812569 (1974-05-01), Kufner et al.
patent: 3924325 (1975-12-01), Kufner
patent: 4467523 (1984-08-01), Chisholm
IBM Tech Disclosure Bull vol. 22, No. 9 Feb. 1980, pp. 3998-3999 by F. W. Chapin et al.

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