Process for fabricating a moldboard blade

Details Process for fabricating a moldboard blade Process for fabricating a moldboard blade

1990-07-24

1991-11-19

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

B21K 1900

Patent

active

050656465

ABSTRACT:
A process for forming a moldboard blade for a grader by inducing beneficial residual stresses during fabrication. This increases the strength of the blade without adding additional material and weight. The blade is first bowed towards its supporting structure surface. The supporting structure is welded to the blade and the blade is released. The blade is then bent in the opposite direction towards its working surface and released. The blade is then checked to determine if it is straight. If the blade is not straight it is bent again until it is straight.

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