Machining method for closed-end thin-wall component

Abstract

The invention relates to the technical field of deep drawing of a hydraulic machine, in particular to a machining method of a closed-end thin-wall component. The machining method comprises the steps that a male mould moves downwards idly, and starts to decelerate when the male mould is about to be in contact with a plate material, so that the male mould starts to draw the plate material with a constant speed of a number of millimeters per minute; the male mould is in contact with the plate material at a constant speed and stops till the male mould reaches a deepest point; the male mould maintains static for 10-30 minutes at the deepest point; the male mould moves upwards to an initial position; the drawn thin-wall component is rotated horizontally for 90 degrees; the male mould moves downwards idly, and stops till reaching the deepest point; the male mould maintains static for 5-10 minutes at the deepest point; and the male mould move upwards to the initial position, so that plate material pressing is finished. When the male mould moves downwards to the lowest position, two times of pressure maintaining are performed, so that the phenomenon of plate material rebounding is reduced to the greatest extent; and two drawing processes are performed at different angles, so that deformity uniformity of the plate material is ensured.

Description

technical field [0001] The invention relates to the technical field of hydraulic press deep drawing, in particular to a processing method for a thin-walled member of a head. Background technique [0002] For the processing technology of the thin-walled components of the head, there are currently many processing methods, mainly deep drawing forming, most of which are finished after the punch is pressed once, resulting in serious springback of the thin-walled components of the head, reaching It is less than the design requirements, so there is an urgent need for an effective processing method for the thin-walled components of the head. Contents of the invention [0003] In order to overcome the problem that the existing stretching method is easy to cause severe sheet rebound, the invention provides a processing method for the thin-walled member of the head, which solves the problem by holding the pressure twice. [0004] The technical solution adopted by the present inventi...

AI Technical Summary

Problems solved by technology

[0002] For the processing technology of the thin-walled components of the head, there are currently many processing methods, mainly deep drawing forming, most of which are finished after the punch is pressed once, resulting in serious springback of the thin-walled components of the head, reaching It does not meet the design requirements, so there is an urgent need for an effective processing method for thin-walled components of the head