Submersible electric pump flow-passing part casting technology
A technology of over-current components and casting process, which is applied in the field of submersible pump over-current components casting process, to achieve the effects of improving speed and quality, long solution period and flexible product design
Inactive Publication Date: 2018-03-27
SHANXI TIANHAI PUMP IND CO LTD
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Problems solved by technology
After the mold is made, if you want to change it, you have to start from the mold making, and the results cannot be tested in a short time
Method used
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[0011] figure 2 It is a flow chart of the casting process of submersible pump over-current components of the present invention. The casting process of submersible electric pump over-current components of the present invention is characterized in that: product design is carried out according to customer needs, according to the corresponding hydraulic model, machining allowance, 3D design by reducing the amount of shrinkage; 3D print out the model; the model is handed over to the precision casting workshop for bonding and casting, and the shell is made; in the process of shell making, the traditional process of using many layers of back layers to strengthen the strength of the shell is eliminated, and only one surface layer is made. One layer, one transition layer, and two back layers greatly shorten the trial production cycle; after sealing the slurry, there is no need to enter the dewaxing kettle for dewaxing; before pouring, the 3D plastic model is burnt out in the roasting ...
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The invention provides a submersible electric pump flow-passing part casting technology. The technology is characterized in that product design is carried out according to needs of customers, and three-dimensional design is carried out according to corresponding hydraulic model, machining allowance and release-take shrinkage amount; a model is printed in a 3D manner; the model is transported to aprecision casting shop to be subjected to bonding sintering and shell making; according to the shell making process, one face layer, one transition layer and two back layers are made; the model entersa calcinatory, the 3D plastic model is burned up, a mold shell is made and buried into a sand box, vibration compaction is carried out, and casting is carried out after stability is achieved. The technology has the beneficial effects that after the technology is used, the trial-product period is shortened by about 15 days, moreover, the product design is flexible, different schemes can be compared fast by means of one-time trial production, the speed of product design is increased greatly, the quality is improved greatly, and the casting technology well solves the problems that the traditional precision casting period is long, and strength and withstand pressure of 3D printed parts are insufficient.
Description
technical field [0001] The invention relates to a casting process of a submersible electric pump over-current component. Background technique [0002] With the development of the economy, users have higher and higher requirements for the performance, material requirements, and delivery date of electric pumps. Using the traditional silica sol medium temperature wax precision casting process, the trial production cycle of new products is long, and the cost of mold production is high. Poor flexibility. Submersible electric pumps need to be quickly verified after the hydraulic model is designed to shorten the product trial production cycle as much as possible. The existing rapid prototyping technology parts can not meet the test requirements of the submersible electric pump. After the mold is made, if you want to change it, you have to start from the mold making, and the results cannot be tested in a short time. Contents of the invention [0003] The purpose of the present ...
Claims
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IPC IPC(8): B22C9/04
CPCB22C9/04
Inventor 董云霞鱼照辉马鹏飞
Owner SHANXI TIANHAI PUMP IND CO LTD