Abstract

The method of engineering calculation of impact parameters ( maximum speed and coordinates of its realization) of high-speed pneumatic unit with built-in tank is set forth in the paper. The method is based on the method of nonlinear mathematical model rationing with minimum number of dynamic similarity criteria . A number of assumptions allowed obtaining the solutions of differential equations in a dimensionless form as an analytical dependence of maximum value of impact velocity of the piston coordinate , in which the velocity is realized , on dynamic similarity criteria of pneumatic unit . Based on this, the diagrams of velocity and coordinate dependence on the similarity criteria were developed, which cover the whole domain of existence of pneumatic impact units with built-in tank and allow calculations without using a PC. An example of calculation is given.

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