A method of forming and machining a near-closed thin-wall snap ring

Abstract

The application provides a forming and machining method of a near-closed thin-wall snap ring, which comprises the following steps: firstly, designing the size of a process retaining section according to the size of a part; secondly, machining the process retaining section according to the size of the part; thirdly, cutting a material plate according to the size of the part body; fourthly, rounding the material plate according to the product diameter; fifthly, welding the process weld to obtain a cylinder for preparing the flanging forming; sixthly, in order to form a near-closed groove, the process needs to be realized in steps, that is, firstly, adopting a pre-formed U-shaped groove, and then adopting a flanging forming process; seventhly, supporting the process section in the process of flanging forming, and adopting a rolling forming method to form the product; eighthly, removing the excess material to ensure the width of the notch, and keeping the process section, which avoids the vibration of the cutter in the process of machining the thin-wall part, and better controls the deformation in the process of machining, so that good forming and machining sizes can be obtained; and ninthly, removing the process section, and forming the product in two steps, which realizes the economic and efficient machining of the near-closed thin-wall snap ring.

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