Method for producing bent spring rails from an endless...

Details Method for producing bent spring rails from an endless... Method for producing bent spring rails from an endless...

2006-10-03

2006-10-03

Suhol, Dmitry (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

With cutting of work or product

C072S324000, C072S342500, C072S380000, C072S335000, C072S130000, C072S129000, C072S132000, C072S702000, C029S03300H, C029S417000, C029S896900

Reexamination Certificate

active

07114359

ABSTRACT:
The invention relates to a method for producing bent spring rails from an endless spring band. The method is characterized by the following steps: continuous bending of a section of spring band; cutting the bent section of spring band into a spring rail; discontinuous reverse bending to reduce the internal stresses of the bent, cut-to-length spring rail by subjecting the spring rail to at least one reverse bending force and/or heat-treating the cut-to-length spring rails, the heat treatment being a low-temperature treatment in this case, preferably at a temperature of less than 200 *C.

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