Method and apparatus for in situ assemblage of a strain sensor i

Details Method and apparatus for in situ assemblage of a strain sensor i Method and apparatus for in situ assemblage of a strain sensor i

1987-10-07

1989-03-21

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408 72R, 408 75, B23B 3500, B23B 4902

Patent

active

048138207

ABSTRACT:
A method and apparatus for in situ drilling of a precise hole in an erected structural element and inserting in such hole in pressed-fit relationship a cylindrical strain gauge. A guide block is provided having a precision hole corresponding to the diameter of the hole desired in the structural element. The guide block has unthreaded bolt holes for attachment of the guide block to the structural element and guides a reamer to produce a precise hole in the structural element. The guide block also has threaded holes for advancing a push plate against a force-transmitting bushing which is insertable through the precision hole in the guide block into abutting relationship with an end face of a cylindrical strain gauge to force the gage into press-fit relationship with the precise hole in the erected structural element.

REFERENCES:
patent: 861891 (1907-07-01), Plant
patent: 3126776 (1964-03-01), Whistler, Sr. et al.
patent: 3381551 (1968-05-01), Lavering et al.

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