A Study on the Rigidity of Machine Tools
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概要
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This paper deals with the rigidities of machine tools and their components. Static deflections which are the indication of static rigidities are measured on the columns of an upright drilling machine, and it is pointed out that the rigidity of the jointed portion can not be neglected. Natural frequencies and vibration modes which have a close connection with the dynamic rigidity are measured on upright drilling machines, lathes, milling machines and cylindrical grinding machines, and the vibrational characteristics of them are discribed. The relations between the natural frequency and the condition of support are described for the bed, main spindle and work. Finally a trial to improve the rigidity of the lathe bed is planned and carried out, and the effects of improvement on the cutting capacity are discussed.
- 一般社団法人日本機械学会の論文
著者
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Honda Masanori
Engineering Department Tokyo University Of Agriculture And Technology
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Yasui Takeshi
The Government Mechanical Laboratory.