Vukov, Georgi Modelling of the influence of wearing of saw unit elements of a wood shaper on its vibrations / Georgi Vukov, Zhivko Gochev. -- Obr. -- Lit. - Mechanic - mathematical model of the saw unit of the wood shapers developed by the authors is presented in the paper . This model is designed for studying the influence of wearing and change of parameters of saw unit elements on the accuracy and quality of the production. Wearing and changes of elastic and damping parameters of a belt drive are the first factor s analysed and accounted in the model. A variable tor sional moment of an electric motor formed by inevitable deviation from correct s tator shape and rotor imbalance is the second considered factor. The third factor taken into account is a variable torsional moment of a cutting tool of a wood shaper . These three f actors affect machine torsional vibrations and its precise work directly . The mechanic - mathematical model developed by the authors allows numerical investigation of free and forced torsional vibrations of a saw mechanism in this type of machines. The conclusions based on the numerical investigations are confirmed by the examinations of a machine in real conditions. The results of the investigation can be applied in specific well - founded recommendations c onc erning the operation of the machines. The recommendations are important to increase the accuracy and quality of wood shaper production.

In Acta Facultatis Xylologiae Zvolen : vedecký časopis Drevárskej fakulty. -- Zvolen : Technická univerzita vo Zvolene, 2018. -- ISSN 1336-3824. -- Vol. 60, no. 1 (2018), s. 129-135

I. Gochev, Zhivko
II. Acta Facultatis Xylologiae Zvolen : vedecký časopis Drevárskej fakulty. -- Vol. 60, no. 1 (2018), s. 129-135
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