Metal deforming – With cleaning – descaling – or lubrication of work or product – Lubricating
Patent
1995-10-03
1998-01-13
Larson, Lowell A.
Metal deforming
With cleaning, descaling, or lubrication of work or product
Lubricating
252 45, B21B 4502
Patent
active
057066841
ABSTRACT:
There is provided a metalworking process, such as for example a punching process, wherein a shaping tool (eg. punch) contacts and applies a non-chip forming shaping force to a metallic workpiece (eg. blank) and there is supplied to the interface between the shaping tool and the metallic workpiece an aqueous fluid composition, having an alkaline pH, comprising water, a tall oil fatty acid, sulfurized lard oil, a sulfurized olefin, an oxyethylene/oxypropylene random or block copolymer diol having an average molecular weight in the range of from about 1000 to 8000 and an organic phosphate ester such as for example poly (1,2-ethanediyl) alpha-isodecyl-omega hydroxy phosphate. Reduced forces, lower friction and improved tool life are observed.
REFERENCES:
patent: 3833502 (1974-09-01), Leary
patent: 5141658 (1992-08-01), DiBiase
patent: 5286300 (1994-02-01), Hnatin et al.
patent: 5368758 (1994-11-01), Gapinski
patent: 5391310 (1995-02-01), Krueger et al.
Gong Deli
Tucker Kevin H.
Butler Rodney A.
Cincinnati Milacron Inc.
Dunn Donald
Gregg John W.
Larson Lowell A.
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