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The Study and Development of the Simulation Programmer for NC Lathers

Author: NiChunJie
Tutor: WeiYaoBing;YuanQuan
School: Lanzhou University of Technology
Course: Mechanical Engineering
Keywords: Numerically Controlled Machining Emulation Machining NC Program Verification VB Language
CLC: TG519.1
Type: Master's thesis
Year: 2006
Downloads: 87
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Sequence programming for a numerically controlled (NC) lather is usually of experiential and dynamic feature, thus it is hard to ensure the reliability. Therefore, development of NC simulation programmer for verification of the manually programmed NC sequences and for dynamical and emulational machining will have full weight with practical production, teaching and training.The objective of this paper is to study the Huazhong System NC Lather Simulation Programmer, which was written in VB6.0 language and installed under Windows operating system. Taking the Huazhong System NC Lather as the object for emulation, the study of this paper emphasizes on the dynamic presentations and the technology used in the emulation system when automatically running NC machining program. The content covers: Analogue display of roughcasted solid or hollow workpieces with planar graphics;Solve problems on two-edge cutting by making the background of seven normal kinds of cutting blades pictures transparent;As for code-treatment and interpolation functions, modules for code translation, linear and circular interpolation were developed for the numerical control program.The result of the emulation test shows: With a more friendly interface for NC lather operation, the system can realize: preparatory functions such as GOO, G01, G02, G03 and G32;auxiliary functions such as M03, M04, M05, M98 and M99;dynamic emulation of the essential commands, e.g. changing the cutting blades;both outer circle simulation machining and bore milling can be performed. All these have proved that the system can effectively check the correctness of numerically controlled machining program that consists of the essential commands, and thus satisfy the practical demand for training the NC lather operators.

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal cutting and machine tools > Turning and lathe ( lathe ) > Program control lathes and CNC lathes
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