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Machining method for special-shaped part

A technology for machining and parts, applied in the field of machining special-shaped parts, can solve the problems of difficult alignment, low processing efficiency, and high processing difficulty, and achieve the effect of reducing the requirements of production equipment and personnel skills, and low processing costs.

Inactive Publication Date: 2018-05-08
成都龙泉马龙机械厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a machining method for special-shaped parts aiming at the problems of difficulty in alignment processing, high processing difficulty and low processing efficiency in the processing of existing special-shaped parts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for machining special-shaped parts, comprising the following steps:

[0025] The first step is to position the special-shaped parts to be processed through the fixture to keep them accurately positioned;

[0026] The second step is to rough the fixed parts, firstly carry out rough boring of the inner hole, and then perform semi-finishing of the outer circle;

[0027] In the third step, after the turning process is completed, use an abrasive belt to grind the surface of the workpiece after turning;

[0028] The fourth step is polishing and repairing the center holes at both ends of the rough boring and polishing the whole part;

[0029] In the fifth step, the polished workpiece is placed in a chemical solution, and a layer of anti-corrosion film is coated on the surface of the workpiece through chemical action.

[0030] In use, diamond boring machines are used in each process to process the special-shaped parts, and the special-shaped end face contour and cham...

Embodiment 2

[0032] Based on Embodiment 1, a machining method for special-shaped parts comprises the following steps:

[0033] The first step is to position the special-shaped parts to be processed through the fixture to keep them accurately positioned;

[0034] The second step is to carry out rough machining on the fixed parts, first carry out rough boring of the inner hole, and then carry out semi-finishing of the outer circle, on the boring machine, with the center line as the standard, make two planes and two center holes, and then clamp on the lathe noodle;

[0035] In the third step, after the turning process is completed, use an abrasive belt to grind the surface of the workpiece after turning;

[0036] The fourth step is polishing and repairing the center holes at both ends of the rough boring and polishing the whole part;

[0037] In the fifth step, the polished workpiece is placed in a chemical solution, and a layer of anti-corrosion film is coated on the surface of the workpie...

Embodiment 3

[0039] Based on Embodiment 2, a machining method for special-shaped parts comprises the following steps:

[0040] The first step is to position the special-shaped parts to be processed through the fixture to keep them accurately positioned;

[0041] The second step is to carry out rough machining on the fixed parts, first carry out rough boring of the inner hole, and then carry out semi-finishing of the outer circle, on the boring machine, with the center line as the standard, make two planes and two center holes, and then clamp on the lathe On the surface, on the boring machine, straighten the broaching knives in the 4 holes with a diameter of 33mm to a diameter of 32mm, and punch the center holes at both ends with a margin of 0.7mm;

[0042] In the third step, after the turning process is completed, use an abrasive belt to grind the surface of the workpiece after turning;

[0043] The fourth step is polishing and repairing the center holes at both ends of the rough boring a...

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Abstract

The invention relates to the field of machining methods, and discloses a machining method for a special-shaped part. The machining method for the special-shaped part is characterized in that the to-be-machined special-shaped part is positioned through a fixing device, and is made to be kept accurately positioned; rough machining is performed on the fixed part, heavy boring of an inner hole is firstly performed, and then half finish turning of the outer circle is performed; after turning is completed, an abrasive belt is used for grinding the surface of a turned workpiece; polishing and repairing and filing are performed on two end center hole lugs in heavy boring, and the whole piece is polished; The problems that during machining of an existing special-shaped part, alignment machining isdifficult, the machining difficulty is high, and the machining efficiency is low are solved.

Description

technical field [0001] The invention relates to the field of machining methods, in particular to a machining method for special-shaped parts. Background technique [0002] Machining refers to the process of changing the shape or performance of a workpiece through a mechanical device. Mechanical thermal processing and cold processing can be divided into cutting processing and pressure processing according to the difference in processing methods. Common thermal processing includes heat treatment, forging, casting and welding. With the rapid development of modern mechanical processing and the rapid development of mechanical processing technology, many advanced mechanical processing technology methods have gradually emerged. [0003] Currently, for some special workpieces, the workpiece itself is a non-standard special-shaped workpiece. When it is necessary to drill a hole on the workpiece, the processing is very large, and the clamping of the workpiece is a problem, or some wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 李成
Owner 成都龙泉马龙机械厂
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