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Dynamic Analysis of Motorized Spindle and Software Development

Author: DuChao
Tutor: DingYuCheng；LiChangHe
School: Qingdao Technological University
Course: Mechanical Design and Theory
Keywords: Electric spindle Rotor dynamics Transfer Matrix Method Dynamic analysis software
CLC: TG659
Type: Master's thesis
Year: 2010
Downloads: 73
Quote: 0
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Abstract


Electricity the Spindle as the core components of advanced CNC machine tools , the dynamic performance directly affects machining accuracy and reliability . With the improvement of electric spindle speed , experience , analogy , and static traditional design method is no longer able to meet the design requirements of the high-end electric spindle , electric spindle dynamic characteristics analysis and development suitable for all types of electric spindle dynamics integrated analysis software is urgent and necessary to achieve the purpose of the dynamic design of electric spindle . This study focused on the following aspects : (1) Based on the transfer matrix method , electric spindle the single rotor spindle system dynamics model of the critical speed , mode shapes , and unbalance response and the calculation method of the stiffness , and to prepare a program of general-purpose computing . HSM130 electric spindle example calculation and analysis, and binding experiments were compared . The results show that : the calculated and experimental values ??of the natural frequency of the error is less than 5% , verify the correctness of the modeling method and the calculation method . (2) Based on the overall transfer matrix method , established a system of electric spindle dual - rotor spindle dynamics analysis model and calculation methods , the preparation of a program of general-purpose computing . TM280 electric spindle computational analysis and discussion of the structural factors that impact on the dynamic performance variation ; discuss the relationship between the performance of the dual- rotor spindle system dynamic performance with single- rotor spindle system dynamics . ( 3) the development of a suitable electric spindle single , double rotor spindle system dynamics analysis of general-purpose computing software . Added mass, the software can be considered in the modeling of the material properties of the rotor and shafting suitable for multi- support and multi- span solid or hollow spindle system can calculate any order critical speed and different location modes can exist simultaneously unbalance response analysis and calculation of static and dynamic stiffness of the shaft end .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal cutting and machine tools > Program control machine tools, CNC machine tools and machining
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