The quality of investment casting directly affects the geometry, dimensional accuracy and surface roughness of investment casting impeller. When investment […]
a. Research status of casting technology of small and simple impeller For the casting impeller with small size, light weight
1. Selection and determination of detection method As a key part of the pump body, the impeller of desulfurization pump
The surface of the blade of the sulfur pump impeller and the surface of the blade are calculated to achieve
Coating configuration and drying is one of the important links to obtain high quality castings. The role of sand casting
It is beneficial to obtain castings with clear contour, precise shape, smooth surface and intact internal structure by mastering the
Before molding, assemble the core box according to the requirements, pay attention to the assembly sequence and the positioning of
1. Foam mold size determination The design of foaming mould mainly includes the following aspects: determining the size parameters of
The production impeller adopts the EPC resin sand composite molding process to obtain the whole sand core, which improves the
The production difficulty of impeller mainly lies in the whole molding process. Using traditional casting technology, it is difficult to
Technical requirements for impeller production (1) The surface of the casting shall be smooth and free from defects such as
