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METALWORKING EQUIPMENT AND TOOLS
Fig. 4. The model changes the sound pressure level of
Fig. 2. The model of variation of the mean square the machine at free running.
vibration velocity in the transition process.
for the cutting mechanism, one should
be guided by the standards of GOST IEC
60034.14-2008 with an amplitude of
vibration acceleration of not more than 2.5
m / s2, this approach is well implemented
during maintenance of technological
machines, especially when upgrading them.
When analyzing the designs of
technological machines with drives with a
Fig. 3. The model of fluctuation of the amplitude of the power of more than 16 kW, it is possible
mean square vibration acceleration..
to use emergent peak values of vibration
acceleration amplitudes instead of RMS
values.
The results of the studies are used in
the educational process for the preparation
of undergraduates in the specialty 04.15.05
The value of the dissipative - "design and technological support of
absorption coefficient as a function of the engineering industries", as well as for
energy saturation response of the design certification of technological equipment at
parameters of a bench-drilling machine for the base enterprise.
vibration acceleration is 4.5 times greater
than that obtained by vibration velocity and A.E. Saklakova, E.V. Ramenskaya,
1.8 times as much as sound pressure level. N.F. Yankovskaya, Yu.A. Filippov
The average amplitude value Siberian State Aerospace University named after
according to the results of measuring the academician M.F. Reshetneva, Krasnoyarsk
sound pressure level was Lvspl = 69.9 dBA. References:
The discrepancy between the analytical 1. Gardner Research "2015 World Machine-Tool Output &
value and the measured value of the Consumption Survey" [Electronic resource] // GARDNER.
sound pressure level did not exceed 3.9 Business Media Ink. [Official website]. URL: http://www.
gardnerweb.com/cdn/cms/GR-2015-WMTS.pdf
%, confirming the possibility of comparison 2. Ramenskaya E.V. Vibration control of technological
and use as the private reproducibility of the equipment: monograph. [Text] / E.V. Ramenskaya, Yu.A.
measurement results. Filippov; Sib. state aerospace un-t Krasnoyarsk. 2011.
172 p.
The performed theoretical and 3. Acoustic emission in the technology of repair and
experimental studies have confirmed the certification of production equipment. Ramenskaya E.V.,
functional relationship of the amplitude of Filippov Yu.A., Timoshenko E.M., Amelchenko N.A.,
Vorobyov A.A., Korchma I.S., Spitsyn I.N.// Hardening,
vibration acceleration as a basic argument coating and repair technologies: theory and practice:
for comparison Materials of the 17th International scientific-practical
instrumental value of sound pressure level conference: St. Petersburg: Publishing house Polytechnic.
University. 2015. p. 242 - 249.
with analytical value. 4. GOST 24346-80. Vibration. Terms and definitions
When choosing an electric motor [Text]. Entered from 1.01.81. Moscow. Standartinform.
2010. 26 p.
Stanochniy park
