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Machining process of damping bowl

A processing technology and damping technology, applied in the field of processing technology of damping bowl, can solve problems such as large error and poor consistency, and achieve the effect of reducing multiple clamping, reducing scrap causes and shortening processing cycle.

Active Publication Date: 2021-02-19
GUIZHOU JINGLI HANGTAI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention intends to provide a processing technology for the damping bowl, so as to solve the problem of large error and poor consistency of the damping bowl processed at present

Method used

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  • Machining process of damping bowl
  • Machining process of damping bowl
  • Machining process of damping bowl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: a kind of processing technology of damping bowl, comprises the following steps:

[0030] a) blanking: blanking with a lathe according to the forged length and diameter of the pre-processed damping bowl, to obtain the processed raw blank;

[0031] b) One-time rough turning: the raw material of rough turning shall be processed according to Type II die forgings, and meet the relevant requirements of GJB5040-2001 to obtain forged parts;

[0032] c) Primary heat treatment (stress annealing): place the forged piece in a well-type furnace for annealing for 1 hour, and the annealing temperature is 570°C;

[0033] d) Secondary heat treatment (stress annealing): place the annealed forged piece in an aluminum alloy furnace for annealing for 1 hour at an annealing temperature of 390°C to obtain a secondary annealed forged piece;

[0034] e) Secondary rough turning: Secondary rough turning forging forged parts, to ensure that the runout tolerance of the outer circle r...

Embodiment 2

[0043] Embodiment 2: a kind of processing technology of damping bowl, comprises the following steps:

[0044] a) blanking: blanking with a lathe according to the forged length and diameter of the pre-processed damping bowl, to obtain the processed raw blank;

[0045] b) One-time rough machining (forging): the raw material of the rough car is processed according to the type II die forgings, which meets the relevant requirements of GJB5040-2001, and the forged parts are obtained;

[0046] c) Primary heat treatment (stress annealing): put the forged part in a pit furnace for 1.5 hours, and the annealing temperature is 600 °C;

[0047] d) Secondary heat treatment (stress annealing): put the annealed forged blank into an aluminum alloy furnace for 1.5 hours, and the annealing temperature is 410°C to obtain a secondary annealed forged piece;

[0048] e) Secondary rough turning: the shape of the forged part is roughed again to ensure that the run-out tolerance of the outer circle re...

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Abstract

The invention discloses a machining process of a damping bowl in the field. The machining process comprises the following steps: a) blanking; b) primary rough turning; c) primary heat treatment (stress annealing); d) secondary heat treatment (stress annealing); e) secondary rough turning, wherein the shape of a forged part is roughly turned again to ensure that the run-out tolerance of the outer circle of the forged part relative to an inner hole is less than or equal to 0.1 mm; f) primary semi-finish turning, wherein a B surface is semi-finish turned and and the hole is bored by positioning an A end surface; g) secondary semi-finish turning; h) tertiary heat treatment; i) first finish turning; j) secondary finish turning; and k) third finish turning. According to the scheme, the size errors of metal thin parts can be reduced, and the consistency of the sizes of the parts is ensured.

Description

technical field [0001] The invention relates to the field of mechanical manufacturing, in particular to a processing technology of a damping bowl. Background technique [0002] In the standard parts of aviation, aerospace, high-speed rail, electronics and other industries, high-precision, high-strength, light-weight damping bowls have become the development trend of future standard parts. As far as the current industry is concerned, the damping bowl made of new materials and new processes requires not only high strength and high precision, but also high quality and light weight. Although traditional parts meet the requirements, but the weight exceeds the standard, the performance cannot be obtained reasonably. It is easy to induce catastrophic brittle fracture under the stress of use, that is, hydrogen embrittlement, and the use of new material thin-walled high-precision metal parts just solves similar problems. [0003] Damping bowls, such as damping bowls, are commonly us...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 张广杨德松谢松武穆仁强陈峰罗晓雅陈晓威华君何永
Owner GUIZHOU JINGLI HANGTAI TECH
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