Abstract
This article presents a hydraulic design procedure for axial-flow pump impellers, followed by their manufacturing documentations, all in one easy-to-use software named AXPHD V2.0 (AXial Pump Hydraulic Design) developed by one of the authors (Kalmár). After the user determined pump duty, the software offers input data which may be changed interactively. The hydrodynamic singularity method is used to compute the blade profiles on cylindrical surfaces. If the velocity and pressure distributions are accepted, then the body model of the impeller is produced by AUTODESK INVENTOR PROFESSIONAL 2019. Full manufacturing documentation is prepared including shop-drawings for traditional production, numeric modules for CAM, and files for 3D printing. A photo of an impeller made by 3D printing closes the paper.
Highlights
This paper has been written in an attempt to combine the hydraulic design procedure of axialflow pump impellers with the preparation of their laborious production documentation within one easy-to-use software package
The AXPHD V2.0 design software was developed in the frame of Microsoft Visual Studio
Files of format stp are suitable for producing 3D printing
Summary
This paper has been written in an attempt to combine the hydraulic design procedure of axialflow pump impellers with the preparation of their laborious production documentation within one easy-to-use software package. New problems may arise, new techniques may appear, and so even the oldest firms face changes. It may happen, for example, that for a new duty, pumps are required not with top efficiency, but with extra good cavitation performance, and with very safe operation for about 30 years. For example, that for a new duty, pumps are required not with top efficiency, but with extra good cavitation performance, and with very safe operation for about 30 years In coping with such extra cases, the designer may wish to have a new impeller design within hours. Getting familiar with the software the student meets all important variables of pump design, and producing a design is a concise job involving both hydraulic and manufacturing aspects
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