Shape correction method for long-straight-strip-shaped armored pieces with arc sections and deformed after quenching
A technology of armor parts and arc shape, which is applied in the field of shape correction of armor parts after quenching, which can solve problems such as difficult shape correction, and achieve the effect of convenient operation and simple structure
Inactive Publication Date: 2014-04-02
CHONGQING TIEMA IND GRP
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[0004] The present invention proposes a method for correcting the deformation of armor parts with arc-shaped and long straight strips after quenching, which solves the deficiencies in the prior art. The twisted deformation of armor parts after quenching, and this method is a non-molding simple shape correction method, not only the structure of the correction fixture used is simple, but also easy to operate, effectively changing the arc-shaped and long straight armor parts quenching Post-deformation is difficult to correct the problem
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[0027] The technical solutions in the present invention are clearly and completely described below, obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0028] Such as Figure 1 to Figure 5 Shown:
[0029] The size of the armor piece 1 whose cross section is arc-shaped and in the shape of a long straight strip according to the present invention is: long ≥ 300mm, the arc chord length is 15-30mm, and the thickness is 4-8mm. In the present embodiment, the size of the armor piece 1 The length is 400mm, the arc chord length is 25mm, and the thickness is 6mm:
[0030] A method for rectifying the deformation of an armor piece with an arc-shaped cross-section and a long straight strip after quenching, comprising the fol...
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Abstract
The invention provides a shape correction method for long-straight-strip-shaped armored pieces with arc sections and deformed after quenching. The method includes the following steps: (1) first binding the armored pieces in an overlapping mode and then conducting quenching and tempering on the armored pieces; (2) unbinding the armored pieces after quenching and tempering and then removing straightness deformation of the armored pieces; (3) finally removing torsion deformation of the armored pieces to finish the shape correction. Compared with the prior art, the method has the advantage that the torsion deformation of the long-straight-strip-shaped armored pieces with arc sections and deformed after quenching is reduced, the method is a non-die-pressing simple shape correction method, a utilized correction clamp is simple in structure and convenient to operate, and the problem that the long-straight-strip-shaped armored pieces with arc sections and deformed after quenching are difficult to correct is effectively solved.
Description
technical field [0001] The invention relates to a shape correction method, in particular to a shape correction method for an arc-shaped and long straight armor piece deformed after quenching. Background technique [0002] In the prior art, in order to ensure the shape and size of the parts after quenching, the general method is: [0003] If the armor piece is straight, use a hydraulic press to reverse deformation correction; if the armor piece is shaped (such as a semi-circular arc), mold press quenching is used to prevent quenching deformation. Generally speaking, forming (such as semi-circular arc) armor parts is difficult to use hydraulic presses to reverse deformation and correct the shape. At the same time, the cost of manufacturing press quenching molds is relatively high, and it brings inconvenience to the operation during the production process. Therefore, there is a need for a non-molded and simple shape correction method that can reduce the deformation of armor pa...
Claims
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IPC IPC(8): B21D1/10
Inventor 张晓东马晓东许平殷永梅
Owner CHONGQING TIEMA IND GRP