Method and system for forming a three-dimensional frame structur

Details Method and system for forming a three-dimensional frame structur Method and system for forming a three-dimensional frame structur

1989-08-03

1991-01-08

Ramsey, Kenneth J.

Metal fusion bonding

With means to handle work or product

414356, 4147459, 228155, B23Q 4102

Patent

active

049828916

ABSTRACT:
A method and a system for forming a rod-like member into a three-dimensional frame structure, involving a work feed station for individually feeding a rod-like member, a bending station for bending the rod-like member having a prescribed length into a two-dimensional frame structure, a welding station for welding two mutually abutting ends of the two-dimensional frame structure of the rod-like member; and a forming station for plastically forming the two-dimensional frame structure into a three-dimensional frame structure. Typically, the two dimensional structure comprises a loop structure formed by joining two opposite ends of the rod-like member by welding, and the rod-like member consists of a pipe member. Thus, by welding the mutually abutting parts of the rod-like member together when it is formed into a two-dimensional frame, retaining the rod-like member for the welding is simplified as it involves the retaining of the rod-like member against its positional variations only in one direction. Further, by stamp forming or otherwise plastically forming the two dimensional frame structure including a loop, a three-dimensional structure having a high dimensional accuracy can be produced.

REFERENCES:
patent: 4388039 (1983-06-01), Schwarze

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