2011•Advanced materials researchOpen access

Development of CAD Systems for Screw Blades

Ai Di Zhi, Sheng Jiang

Abstract

Screw conveyors deliver materials in desired quantities in a steady and continuous manner, and are widely used in factories and mining. The design of large multi-blade screw conveyor involves complex calculations and large repeated workload, and is poor in accuracy and efficiency. With modular design as the guideline, using object-oriented programming language VB6.0 as the developing tool, and based on the platform of AutoCAD, this article discusses the development of a user-friendly CAD system that allows arbitrary division of the outer vortex. Practice has proven that this simple and pragmatic system largely improves the design efficiency and precision.

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Key concepts: Modular design, CAD, Workload, Engineering drawing, Engineering, Mechanical engineering, Computer science, Operating system