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Manufacturing method of integral flange

A manufacturing method and integral flange technology, applied in building elements, metal material coating process, etc., can solve the problems of wasting materials and equipment occupation, and achieve the effect of saving occupation, good coaxiality, and improving strength

Inactive Publication Date: 2018-02-02
WUXI NANLIGONG TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are also a small number of flanges on the market that are integral, but these integral flanges are formed by cutting and processing large pieces of material, which wastes a lot of materials and occupies a relatively high amount of equipment.

Method used

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  • Manufacturing method of integral flange

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Embodiment

[0031] Example: such as figure 1 As shown, the size of the finished integral flange is 49mm in total length, and the outer diameter of the flange is 130mm, 70mm, and 55mm in order from large to small. The manufacturing method of the integral flange specifically comprises the following steps:

[0032] (1) Blanking and upsetting: the round steel is cut by a band sawing machine, and the round steel is cut into a bar-shaped blanking piece; the size of the blanking piece is φ130mm, and the length is 49mm; the blanking piece is cut by a mechanical automatic feeding device The parts are put into the high-frequency induction heating furnace, and the heating temperature is 1000~1100℃. The heated parts are pre-upset and formed by a 200T hydraulic press; first, the parts are placed on the lower head of the first press, and the press Under the application of pressure, the upper heading head presses down to divide the material and remove the oxide scale generated during heating, and upset...

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Abstract

The invention discloses a manufacturing method of an integral flange. The manufacturing method specifically comprises the following steps: (1), blanking and upsetting, round steel is blanked through aband sawing machine, and the round steel is made into a rod-shaped blanking piece; (2), turning machining, a pre-upsetting piece obtained in the step (1) is subjected to drilling, then rough turning,semi-finish turning and finish turning are sequentially carried out to obtain a turning piece, and the turning piece is sequentially subjected to first annealing treatment, first surface passivationtreatment and first lubrication treatment process; (3), grinding machining, the turning piece obtained in the step (2) is sequentially subjected to rough grinding and fine grinding to obtain a grinding piece, and then the grinding piece is sequentially subjected to second annealing treatment, second surface passivation treatment and second lubrication treatment process; (4) milling, the grinding piece obtained in the step (3) is subjected to milling through a milling machine to obtain a milling piece; (5), drilling is carried out; and (6), heat treating, a workpiece obtained in the step (5) issubjected to carburizing and quenching.

Description

technical field [0001] The invention belongs to the technical field of precision forging, and in particular relates to a method for manufacturing an integral flange. Background technique [0002] At present, most of the flanges on the market are split, and the connecting sleeve and the disc body are connected by welding. There are also a few parts that are integral, but those that are integral are all cut from large pieces of material. [0003] Because there are always defects in welding, and the coaxiality of the two products is not good. In the process of use, there will be breakage, and the machine shakes badly when it is working. At present, there are also a small number of integral flanges on the market, but these integral flanges are formed by cutting and processing large pieces of material, which wastes a lot of materials and takes up a lot of equipment. [0004] Therefore, it is necessary to develop a manufacturing method for making integral flanges, so that the f...

Claims

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Application Information

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IPC IPC(8): B23P15/00C21D1/18C21D1/26C23C8/22C23C22/34C23C22/78F16S5/00
Inventor 何非张荣生
Owner WUXI NANLIGONG TECH DEV
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