FIELD: physics.
SUBSTANCE: invention relates to machining of parts and can be used in cooling control systems when processing articles on CNC equipment. Device comprises a microcontroller, a power supply, a potentiometer, an operational amplifier, a resistor and a Peltier element. Besides, it is equipped with bipolar transistor and voltage conversion unit, which includes three subtraction units, two multiplier units, two dividers and adder.
EFFECT: use of the invention reduces time for making a decision on the need to change the cooling mode of the article by converting the voltage supplied from the microcontroller to the current flowing through the Peltier element, by means of which the product is cooled, which improves the quality of processing.
1 cl, 3 dwg
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