FIELD: machine building.
SUBSTANCE: value of amplitude of sound signal is used as control parametre in this invention. During the stage of infeed control is carried out on base of change of amplitude of sound pressure in time function according to exponential law adequately realised by means of step-less increment of infeed speed to a value of setting sound pressure amplitude at the steady-state of grinding. Also a correcting signal is formed in the function of allowance removal speed for maintaining continuous amplitude of sound pressure. At the stage of controlled sparking out amplitude of sound pressure is lowered by exponential law in the function of time constant, determined at the stage of sparking-out. Notably, time of sparking out is limited with a value of setting established depending on requirements to item treatment quality.
EFFECT: increased efficiency and quality of treatment.
2 dwg
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