Rotary expanded grid cutter and related process

Details Rotary expanded grid cutter and related process Rotary expanded grid cutter and related process

1993-11-01

1994-12-27

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

With cutting

29 61, B21D 3104

Patent

active

053754468

ABSTRACT:
In a method of forming expanded metal mesh from a deformable strip which includes the steps of preforming and slitting the strip by intermeshing tooth segments of at least an upper disk and a lower disk with the strip passing therebetween, wherein the tooth segments each include linear leading and trailing surfaces joined at an apex defining a nose angle, and intersecting respective tangents to a radius of the disk at circumferentially spaced locations defining entry and exit angles, respectively, an improvement which includes selecting the exit angle in accordance with the formula: ##EQU1## where R=radius of tooth root;

REFERENCES:
patent: 3760470 (1973-09-01), Felsenthal
patent: 4291443 (1981-09-01), Laurie et al.
patent: 4297866 (1981-11-01), Sakauye et al.
patent: 4315356 (1982-02-01), Laurie et al.
patent: 5093971 (1992-03-01), Hein
patent: 5239735 (1993-08-01), Tanaka et al.

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