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Research on the Relation between Every Parameters and Cutting Power and Surface Quality in the Machining of Dies

Author: WangLing
Tutor: MengGuangYao
School: Qingdao Technological University
Course: Mechanical Manufacturing and Automation
Keywords: CNC milling Orthogonal Design Parameter optimization Cutting path Database
CLC: TG547
Type: Master's thesis
Year: 2008
Downloads: 28
Quote: 0
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Abstract


Mold all types of production technology and equipment , is an important indicator to measure a country's level of industrialization , and milling is one of the most commonly used high productivity mold , but there are still many the factory CNC milling , problems. This thesis is focused on the factors that affect the surface quality of the CNC milling process research . Firstly spindle speed CNC milling process feed rate, cutting depth , and several other major milling parameters studied experimental workpiece processing Cr12 mold steel in Wintec My-80 machining center , using a newly developed type of YDX-Ⅲ 9702 online piezoelectric milling measuring instrument measured a large number of milling force data ; then the establishment of milling force model analysis of milling force on the workpiece surface quality . Second, the research for CNC milling process of cross-cutting, slitting and 45 ° cut three cutting path , using scanning electron microscopy observation tool wear , surface quality analysis tool wear for the site processing surfaces basis. Studied with orthogonal design method designed experiments , several main parameters of the interaction on the basis of a single factor experimental analysis in the process of surface quality combined with the specific conditions for the on-site processing The parameters reference value . Finally, the above three experimental research and analysis , the latest parameter optimization method - genetic algorithms , mathematical model , combined with experimental data to be corrected , and finally to establish parameters database for on-site processing parameters selection basis .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal cutting and machine tools > Milling and milling machine > Program control milling machine and CNC milling machine
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