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Machining process of high-precision metal ultra-thin plate parts

A technology for parts processing and ultra-thin plates, which is applied in the field of high-precision metal ultra-thin plate parts processing technology, can solve problems such as deformation accuracy stability, and achieve the effects of taking into account processing quality, reducing impact force, and reducing production costs

Active Publication Date: 2019-03-19
XIAN AERO ENGINE CONTROLS
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Problems solved by technology

[0005] In order to solve the problems of high-precision metal ultra-thin plate parts after grinding and poor precision stability in the background technology, the present invention provides a high-precision metal plate with high efficiency and can ensure the size and shape accuracy of the thin plate in a large area. Processing technology of ultra-thin plate parts

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Embodiment Construction

[0032]The key to the processing of high-precision ultra-thin plate parts is not only which machining method is used to meet the precision requirements, but also that the parts do not deform after the clamping force is unloaded, resulting in excessive shape and position accuracy. Therefore, the core principle of the preparation of this kind of parts processing technology is to reduce the influence of force and heat on the deformation of parts, so as to achieve and maintain precision. For this reason, the invention provides a kind of high-precision metal ultra-thin plate parts processing technology, comprising:

[0033] 1) Rough machining of parts: use planing or milling to remove the part allowance, ensure that the verticality of the part is less than or equal to 0.2mm, and leave a margin of 1-1.2mm on each side of the part thickness to reduce the diameter-thickness ratio to the final requirement 3 / 5 or lower, improve the rigidity of the parts; the fitter drills the holes and l...

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Abstract

The invention belongs to the field of machining, and relates to a machining process of high-precision metal ultra-thin plate parts. The machining process comprises the following steps that (1) the to-be-machined high-precision metal ultra-thin plate parts are roughly machined; (2) after rough machining is completed, the to-be-machined high-precision metal ultra-thin plate parts are heated; (3) theto-be-machined high-precision metal ultra-thin plate parts are placed on a flexible gasket to be roughly grounded; (5) the to-be-machined high-precision metal ultra-thin plate parts are finely groundaccording to the ultimate precision of a machine tool; (6) the to-be-machined high-precision metal ultra-thin plate parts are ground through a bench worker; and (7) the remaining working dimensions are ground in a small feeding mode with ground faces as the standard, and the high-precision metal ultra-thin plate parts are obtained. According to the machining process of the high-precision metal ultra-thin plate parts, high efficiency is achieved, and the thin plate dimension and form and position accuracy can be guaranteed on a large area.

Description

technical field [0001] The invention belongs to the field of mechanical processing, and relates to a processing technology of ultra-thin plates, in particular to a processing technology of high-precision metal ultra-thin plate parts. Background technique [0002] At present, various thin-plate profile samples, smooth surface length gauges, and disc calipers are widely used in the measurement of aviation products. Some gauges are limited by the structure of the object to be measured, and the ratio of diameter to thickness (the ratio of diameter or length to thickness) is often greater than 20, which is a typical low-rigidity part. According to past experience, there are three main technical difficulties in processing such parts: 1) The amount of heat treatment deformation is large and the bending type and deformation direction are not easy to control; 2) In the flat grinding process, the influence of factors such as grinding force and processing heat is not conducive to elimi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 郭扬强大为贾双良
Owner XIAN AERO ENGINE CONTROLS
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