Vertical broaching machine with multiple broaches

Details Vertical broaching machine with multiple broaches Vertical broaching machine with multiple broaches

1992-06-25

1993-02-09

Briggs, William

Tool changing

Including machine tool or component

Reciprocating tool machine tool

409265, 409272, B23Q 3155, B23D 4100

Patent

active

051849852

ABSTRACT:
A vertical broaching machine with multiple broaches, particularly for forming tube plates for steam generators, includes a support for supporting a perforated plate in a horizontal position, a broach-holder disposed above the support and movable vertically relative thereto, a pulling unit for the broaches which is disposed below the support and movable vertically relative thereto in alignment with the broach-holder, and means for causing relative movements of the plate and the broaches along two mutually perpendicular horizontal axes in order to align the broaches vertically with successive holes in the plate. The support for the plate is movable along only one of the perpendicular axes and the broach-holder and the pulling unit are movable along the other horizontal axis.

REFERENCES:
patent: 3526956 (1970-09-01), Fulks
patent: 4367992 (1983-01-01), Soroka

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