Abstract
Practical examples and physical mechanisms of dry electrostatic cooling efficiency when processing materials by cutting are considered. The assumption is made that efficiency of dry electrostatic cooling process depending on the mode of equipment operation directly depends on the value of electric charge carried by air flow - transfer current. A stand has been developed to measure the current flowing from an grounded plate under the action of dry electrostatic cooling airflow. Using the stand, experiments were made with the «Varkash» dry electrostatic cooling unit. As a result of the experiments, a relationship was found between the transfer current from air pressure and the length of the air flow. Experiments were made on turning structural steel with high-speed steel tools, varying the air pressure of the dry electrostatic cooling unit and the distance from the nozzle to the cutting zone. Based on the results of the experiments, it was verified that the transfer current corresponds to the efficiency of dry electrostatic cooling during cutting.
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