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Pump part production process

A technology of production process and parts, which is applied in the field of production process of pump parts, can solve the problems of low production efficiency and achieve the effects of convenient sand removal, shortened production cycle, and convenient positioning and pumping

Active Publication Date: 2021-11-19
WENLING NEWIMPETUS CASTINGANDMACHINING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to improve the problem of low production efficiency of pump parts, this application provides a production process for pump parts

Method used

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  • Pump part production process
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Embodiment Construction

[0044] The following is attached Figure 1-7 The application is described in further detail.

[0045] The embodiment of the present application discloses a production process of pump parts, including the following steps:

[0046] a. Molding sand mold preparation: According to the size design requirements of the parts drawings, the molding sand upper mold and the molding sand lower mold are prepared, and the molding sand upper mold and the molding sand lower mold are assembled to obtain the molding sand model, and the temperature is raised to 140 ° C. After heating and curing, it is ready for use;

[0047] b. Black sand mold preparation: design and manufacture black sand upper mold and black sand lower mold according to the size requirements of the molding sand model, place the molding sand model in the black sand lower mold, and place the casting filter in the flow channel of the black sand lower mold , and then assemble the black sand upper mold and the black sand lower mold...

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Abstract

The invention relates to a pump part production process, which relates to the field of part production, and comprises the following steps: a, preparing a moulding sand mould; b, preparing a black sand mould; c, performing pouring; d, performing desanding; e, performing recycling; and f, performing surface treatment. According to the production process in the invention, precoated sand and black sand are used for preparing a part; wax melting and roasting processes in an investment casting process are reduced; the process is simplified; the production period is shortened; therefore, the part production efficiency is improved; furthermore, energy consumed by wax melting and roasting is reduced; the effects of energy conservation and emission reduction are achieved; compared with wax, the black sand is not easy to adhere to the surface of the part, so that sand cleaning is more convenient; therefore, the production efficiency of the part is further improved; and mass production of the part is facilitated.

Description

technical field [0001] The application relates to the field of parts production, in particular to a production process of pump parts. Background technique [0002] A pump is a machine that transports fluid or pressurizes the fluid. It transmits the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. The pump is mainly used to transport liquids such as water, oil, acid and alkali liquid, emulsion, suspoemulsion and liquid metal, and can also transport liquid, gas mixture and liquid containing suspended solids. [0003] The pump is composed of impeller, pump body, pump shaft and other parts. The above-mentioned parts are generally made by investment casting process in actual production. However, the investment casting production process is complicated and the production efficiency is low, which is not conducive to the production of parts. Mass produced, room for improvement. Contents of the invention [0004] In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/02B22C9/08B22C9/22B22C21/12B22D31/00
CPCB22C9/02B22C9/22B22C9/082B22D31/002B22C21/12
Inventor 陈涵
Owner WENLING NEWIMPETUS CASTINGANDMACHINING CO LTD
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