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Processing method for tiny thin-wall part

A technology of thin-walled parts and processing methods, which is applied in the processing field of tiny thin-walled structural parts, can solve problems such as the inability to accurately process metal tiny thin-walled parts, and achieve the effect of realizing micro-ultra-precision machining and ensuring accuracy indicators

Inactive Publication Date: 2013-08-07
FLIGHT AUTOMATIC CONTROL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiency that the current silicon etching technology and micro electric machining cannot accurately process metal tiny thin-walled parts, the present invention provides a new type of processing method for tiny thin-walled structural parts

Method used

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  • Processing method for tiny thin-wall part
  • Processing method for tiny thin-wall part
  • Processing method for tiny thin-wall part

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Effect test

Embodiment

[0061] The small thin-walled structural parts are small in size, such as figure 2 As shown, the overall size is A×B×C is 3mm×0.6mm×0.08mm, and the thin-walled feature size a×b×c is 200μm×180μm×(10±1)μm. The tiny parts are thin-walled, and there are three difficulties in micro-milling: one is the clamping and positioning of the tiny parts;

[0062] The specific solution steps are as follows:

[0063] (1) Making positioning blocks and parts blanks

[0064] a) Make a positioning block

[0065] Make the positioning block 1, as the positioning surface of the part blank 2, for the clamping and positioning of the part blank 2. The positioning block 1 is a cuboid with a size of 28mm×25mm×(10±0.01)mm, the parallelism of the positioning surface is 0.005mm, the flatness is 0.003mm, and sharp edges are maintained. The positioning block can be processed by precision flat grinding machine to meet the requirements;

[0066] b) Making part blanks

[0067] Precise slow wire cutting is u...

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Abstract

The invention belongs to a fine ultra-precise processing method for a tiny thin-wall structural part and relates to a fine milling processing method for the tiny thin-wall structural part. The invention applies a fine ultra-precise milling processing technique to the tiny thin-wall structural part, provides a processing method for the tiny thin-wall structural part and solves the processing problem of a tiny metallic thin-wall structural part. A 502 glue is utilized to fix a tiny thin-wall part on a positioning block, a tiny milling cutter is used for processing a thin wall and a microscope is utilized to precisely preset the cutter, thereby realizing the fine ultra-precise processing of the tiny thin-wall part and ensuring each precision index designed for the part.

Description

technical field [0001] The invention relates to a processing method, especially a processing method for tiny thin-walled structural parts. Background technique [0002] For small thin-walled structural parts, such as thin-walled parts with an overall size of 3mm×0.6mm×0.08mm, thin-walled grooves with a size of 200μm×180μm×10μm need to be processed on the surface, which cannot be achieved by traditional processing methods. It is realized by microfabrication method. At present, the commonly used micromachining methods include silicon-based etching technology, micromachining and microelectromachining. Among them, silicon etching technology is the most widely used and the most mature technology, but it can only be used for processing silicon-based materials, while silicon etching technology is the most widely used and the most mature technology. It cannot satisfy the processing of non-silicon devices, so it cannot be used in the microfabrication of metal parts; at the same time...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23C3/28
Inventor 谌祖辉范恽仝斌王苏东于桂欣张琳
Owner FLIGHT AUTOMATIC CONTROL RES INST
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