High hardness boron steel rotary blade

Details High hardness boron steel rotary blade High hardness boron steel rotary blade

1995-09-21

1999-06-29

Melius, Terry Lee

Harvesters

Cutting

Rotating-cutting-disk type

56295, 56DIG17, 29557, 148559, A01D 3482, C21D 0900

Patent

active

059161140

ABSTRACT:
A rotary blade for a mower or cutter is formed from boron steel, such as 10B38 steel, and is heat treated to yield high hardnesses of 48 Rockwell C or above. The blade has increased hardness because of the heat treating, but due to the alloy composition, is still sufficiently tough to perform satisfactorily as a cutting blade, in particular to pass conventional impact tests. Furthermore, the low carbon content of the blade makes cold working of the part practical.

REFERENCES:
patent: 1399044 (1921-12-01), Bellis
patent: 3769784 (1973-11-01), Jones
patent: 3975891 (1976-08-01), Gunther
patent: 4052230 (1977-10-01), Aylward
patent: 4919773 (1990-04-01), Naik
patent: 5093975 (1992-03-01), Masters et al.
patent: 5097727 (1992-03-01), Fischer et al.
patent: 5139006 (1992-08-01), Tendeau
patent: 5139581 (1992-08-01), Grimm et al.
patent: 5171109 (1992-12-01), Arai et al.
patent: 5251514 (1993-10-01), Rhodarmer et al.
patent: 5299414 (1994-04-01), Long
patent: 5456735 (1995-10-01), Ellison-Hayashi et al.
"New Holland Disc Mowers/Sicklebar Mowers," Ford New Holland, Inc., New Holland, Pennsylvania.
"International Standard ISO 5718-1, Harvesting equipment--Flat blades for rotary mowers--Specifications--Part 1: Type vbvbA flat blades," International Organization for Standardization, Switzerland.
"Metallurgy for Non-metallurgists," Fisher Barton Inc., Watertown, WI.
"Mower Blades," Fisher Barton Inc., Watertown, WI.
"Impact Toughness of Mower Blades," Darrel L. Turner, Fisher Barton, Inc., Watertown, WI.
"Austempering Heat Treatment," Fisher Barton, Inc., Watertown, WI.
"Material Standards for OEM Mower Blades," Fisher Barton, Inc.
"Mower Blade Quality--Bend Testing," Fisher Barton, Inc., Watertown, WI.

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