Method for machining thin-wall special-shaped part

A processing method and technology for special-shaped parts, which are applied in the processing field of thin-walled special-shaped parts, and can solve problems such as tool routing and so on.

Active Publication Date: 2020-06-19
HARBIN DONGAN ENGINE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The invention provides a processing method for thin-walled special-shaped parts. The problem to be solved is the problem of the cutting line in turning processing, so that the product will not be unqualified due to the deformation of the part in the process of processing the part, and the final size of the product can be guaranteed.

Method used

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  • Method for machining thin-wall special-shaped part
  • Method for machining thin-wall special-shaped part

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Embodiment Construction

[0029] The specific process route method adopted in the present invention is: rough machining→ultrasonic flaw detection→window milling→finishing→finishing→dimension inspection→sulfuric acid anodization→final inspection

[0030] The technical measure adopted in the present invention is to process all the ring grooves in one time of finishing processing, so as to ensure the required shape tolerance and dimensional accuracy after processing.

[0031] 1: Rough machining, rough machining removes the allowance for the part, generally leave an allowance of 3 mm for the part after rough machining, but considering the particularity of the part structure, in order to reduce the turning resistance of the finish car as much as possible, leave The margin is 1mm; when the part is clamped on the machine tool, it belongs to a typical cantilever beam structure. In order to make the overall rigidity of the part better during turning, a 30mm long chuck is reserved for the clamping of the finishin...

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Abstract

The invention relates to a technology for machining a thin-wall special-shaped part and provides a method for machining the thin-wall special-shaped part. The method comprises steps as follows: for apart forming an internally and externally symmetric structure window by milling, an internal and outer diameter ring groove at the front part is subjected to finish turning firstly, clamping force forthe part is increased, and then an internal and outer diameter ring groove at the rear part is subjected to finish turning. The problem of machining deformation of the type of thin-wall special-shaped part is effectively solved, the machining problems caused by part structure are solved by arranging a reasonable process route and selecting a unique moving path, and reference method and basis canbe provided for machining of other parts with the similar structure.

Description

technical field [0001] The technology relates to a processing technology of thin-wall special-shaped parts. Background technique [0002] The structure of the heat exchanger of the engine oil filter assembly is a thin-walled multi-groove special-shaped part, which is installed in the main casing of the oil filter assembly, and is a part that provides the first heat exchange for the pre-filtered fuel and pre-filtered lubricating oil. This part makes full use of the space of the main casing of the oil filter assembly to realize the first heat exchange of fuel oil. [0003] The material of the heat exchanger is 2024, which has high strength and certain heat resistance, and can be used as working parts below 150°C. The formability is better in hot state, annealed state and new quenched state, and the strengthening effect of heat treatment is remarkable. [0004] The heat exchanger is a thin-walled special-shaped part, and its structural feature is a multi-groove part of the ro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/26
CPCB23P15/26
Inventor 刘天龙王春利姚宏军苏海兵张镇山马辉艾国辉邓海成
Owner HARBIN DONGAN ENGINE GRP
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