Dye penetrant inspection for appearance quality of impeller castings
Due to the thin and large number of impeller blade castings, in order to further inspect the surface and near […]
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casting impeller
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Research status of casting technology of large impeller
According to the number of blades of this kind of impeller, the complexity of structure and the technical requirements of
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Surface roughness inspection of impeller castings
The surface roughness of cast impeller refers to the micro geometric characteristics composed of micro spacing and peak valley on
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Visual inspection for appearance quality of impeller castings
The surface defects of impeller castings are first inspected by visual observation, in which a 5x magnifying glass is also
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Impeller investment casting – sand casting check the pouring time according to the rising speed of liquid level
According to empirical parameters, when the wall thickness of impeller investment casting sand casting is > 40 mm, the minimum
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Dewaxing of impeller shell in investment casting
Because the investment mold of impeller blade is fixed with rosin wax based mold material and sodium silicate sand sleeve,
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Development of the mould material formula for impeller blade in investment casting
The quality of investment casting directly affects the geometry, dimensional accuracy and surface roughness of investment casting impeller. When investment
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Research status of casting technology of small impeller
a. Research status of casting technology of small and simple impeller For the casting impeller with small size, light weight
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Balance test of casting impeller
1. Selection and determination of detection method As a key part of the pump body, the impeller of desulfurization pump
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Design of impeller blade in lost foam casting
The surface of the blade of the sulfur pump impeller and the surface of the blade are calculated to achieve
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Coating for Impeller Casting
Coating configuration and drying is one of the important links to obtain high quality castings. The role of sand casting
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Casting process of impeller
It is beneficial to obtain castings with clear contour, precise shape, smooth surface and intact internal structure by mastering the
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Casting technology of impeller
Before molding, assemble the core box according to the requirements, pay attention to the assembly sequence and the positioning of
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Design of foaming die for impeller blade in lost foam casting
1. Foam mold size determination The design of foaming mould mainly includes the following aspects: determining the size parameters of
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Core box design of impeller casting
The production impeller adopts the EPC resin sand composite molding process to obtain the whole sand core, which improves the
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Improvement of impeller casting process
The production difficulty of impeller mainly lies in the whole molding process. Using traditional casting technology, it is difficult to
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Production status and problems of sand casting impeller
Technical requirements for impeller production (1) The surface of the casting shall be smooth and free from defects such as