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Actual Problems in Machine Building. 2015. N 2
Technological Equipment, Machining
Attachments and Instruments
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THE RELATIONSHIP BETWEEN MEAT GRINDER PRODUCTIVITY AND THE SHAFT
ROTATIONAL SPEED DEPENDING ON THE KNIFE HOLEPLATE DIAMETER
Kerzhencev V. A.
, Ph.D. (Engineering), Associate Professor, e-mail:
kerzhencev@corp.nstu.ruPerova N. V.
, Assistant, e-mail:
perova@corp.nstu.ruKuznetsov A. S.
, Student, e-mail:
medved77memba@yandex.ruNovosibirsk State Technical University, 20 Prospect K. Marksa, Novosibirsk, 630073, Russian
Federation
Abstract
The paper presents formulas reconciling the value of meat grinder productivity with the knife
holeplate diameters, geometrical dimensions and rotational speed of the screw shaft. These
parameters are matched in terms of the rate of the meat yield from the neck and its feed rate to the
cutting mechanism. The formulas are calculated in such a way that they equate these rates providing
a continuous flow of product through the meat cutter. It is also shown that this approach can be used
to simplify the design of high-performance meat cutters using one shaft instead of two shafts in
their drive. The dependence of these parameters is presented graphically. The graphs show the
dependence of productivity on the meat grinder diameter as well as the dependence of the rotational
speed on the holeplate diameter. These dependences make it possible to choose a suitable size of
meat cutter for different values of productivity and determine an appropriate rotational speed for
this grinder.
Keywords
meat grinder, knife hole plate, screw, cutting mechanism, neck, productivity, speed, rotational
speed, graphic dependence