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Alloy flange and machining method thereof

A processing method and technology of alloy method, applied in the field of precision forging, can solve the problems of high equipment occupation and waste of materials, and achieve the effects of good coaxiality, saving occupation, saving materials and manpower

Inactive Publication Date: 2018-02-16
WUXI NANLIGONG TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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

Method used

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  • Alloy flange and machining method thereof

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Embodiment

[0032] Example: such as figure 1 As shown, the size of the finished alloy 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 alloy flange includes the following components: carbon 0.5~0.8wt%, manganese 0.6~1.0wt%, phosphorus 0.1~0.2wt%, nickel 0.06~0.1wt%, copper 1.5~2.0wt%, aluminum 5.0~6.0wt% , molybdenum 0.7~1.0 wt%, boron 0.5~0.7 wt%, chromium 0.3~0.4 wt%, vanadium 15~20 wt%, the balance is iron;

[0033] The processing method of the alloy flange specifically includes the following steps:

[0034] (1) Smelting and forging: weigh the above raw materials in proportion and put them into the smelting equipment, preheat the smelting equipment to 550°C for 20 minutes, then raise the temperature to 900°C and preheat for 30 minutes, then raise the temperature to 1400°C Preheat for 1 hour, forge after coming out of the furnace, and obtain a round alloy material by forging; the initial forging temperature...

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Abstract

The invention discloses a machining method for an alloy flange. The alloy flange comprises the following components of, in percentage by weight, 0.5-0.8% of carbon, 0.6-1.0% of manganese, 0.1-0.2% ofphosphorus, 0.06-0.1% of nickel, 1.5-2.0% of copper, 5.0-6.0% of aluminum, 0.7-1.0% of molybdenum, 0.5-0.7% of boron, 0.3-0.4% of chromium, 15-20% of vanadium and the balance ferrum. The machining method for the alloy flange specifically comprises the following steps of (1), smelting and forging; (2), blanking and heading blanks; (3), lathe machining, specifically preheaded blank parts obtained inthe step (1) are drilled, the rough lathing, semi-finish lathing and finish lathing are performed in sequence, then lathed parts are obtained; (4), grinding machining; (5), milling machining; (6) drilling machining; (7), heat treating, specifically workpieces in the step (6) are quenched by carburizing.

Description

technical field [0001] The invention belongs to the technical field of precision forging, and in particular relates to a processing method of an alloy 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 flanges on the market that are integral, but these alloy 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. [0004] Therefore, it is necessary to develop a processing method for making alloy flanges, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00C21D6/00C22C38/00C22C38/04C22C38/06C22C38/42C22C38/44C22C38/46C22C38/54C23C8/22
Inventor 何非张荣生
Owner WUXI NANLIGONG TECH DEV