FIELD: process engineering.
SUBSTANCE: invention relates to machine building, particularly, to testing lubricant-coolants used in metal cutting. Proposed device comprises body, cutting tool, tool holder, force transducer, shaft to run in said body, lever, ADC, millivoltmetre and computer. Lever is rigidly fitted on said shaft and coupled with force transducer. Millivoltmetre may be connected to workpiece. Computer is connected with ADC and millivoltmetre. Body is rigidly secured in tool holder. Cutting tool is rigidly fitted on shaft. Force transducer is connected to ADC.
EFFECT: higher accuracy of estimating efficiency of lubricant-coolants used in metal cutting.
2 cl, 4 dwg
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