F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 65/08 (2006.01) B21D 53/34 (2006.01) B23K 11/06 (2006.01)
Patent
CA 2102898
2102898 9220472 PCTABS00017 A drum brake shoe is provided by fine blanking the brake shoe web (50) so that the web (50) has radially extending weld projections (60) at a circumferential edge (52), with a radial recess (62) disposed on each side of a weld projection (60). As a brake shoe rim (40) is fed through a welding and forming mechanism (65), a flat surface (41) of the rim (40) engages a radially extending weld projection (60) and a weld is effected. Welding wheels (90, 100) of the mechanism (65) rotate to bend the rim (40) and engage the rim (40) with the next weld projection as a weld is effected between the rim (40) and web (50). The manufacturing method will provide a more consistent welding process that will result in a higher percentage of quality welds and less scrappage.
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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