Control method for quenching buckling distortion of elongated metal shear-blade

Abstract

The invention discloses a quenched bend and deformation control method for long metal shear blades, particularly relating to a control method to decrease deformation of long parts after heat treatment. The invention is characterized in that shear blade forging stocks are annealed after full spheroidization; distressing temper is carried on before shear blade quenching; the shear blade is processed to the size before quenching; the shear blades are vertically suspended on quench hangers and are putted into heating furnace; the second or the third stage is heating up and thermally insulation, and whole quenching and tempering work is completed. Application of the method lessens bend and deformation after axially asymmetalal long shear blades are quenched and tempered, economizes correcting process and improves processing efficiency.

Description

Control Method of Quenching Bending Deformation of Long Metal Shearing Blade technical field The invention relates to a method for controlling the quenching and bending deformation of long metal shear blades, in particular to a control method for reducing heat treatment distortion of long parts. Background technique The traditional methods to reduce the heat treatment bending deformation of long metal shearing blades are: adding a stress relief tempering process before the blade is quenched; The disadvantage of the above method is that the vertical suspension of the blade does not indicate that the blade with asymmetric axis will produce bending deformation when heated, and the bending will remain after cooling. Contents of the invention The technical problem to be solved by the present invention is to reduce the bending deformation of long metal shearing blades with asymmetric axes when quenching and heating, and to provide a method for controlling the bending deformat...

AI Technical Summary

Problems solved by technology

The technical problem to be solved by the present invention is to reduce the bending deformation of long metal shearing blades with asymmetric axes during quenching and heating, and to provide a method for controlling the bending deformation of long metal shearing blades during quenching