FIELD: mechanical engineering.
SUBSTANCE: invention relates to mechanical engineering field and can be used at internal grinding of blanks made of different materials with feeding of lubrication-cooling liquids (LCL). Simultaneously it is fed LCL by watering into formation areas of hydrodynamic wedge and outlet of abrasive grains of grinding wheel from the contact with the processed blank. Feeding is implemented along the full length of treated surface of blank during all the grinding cycle through the arciform wedgelike nozzle. The latter is located with grinding wheel lengthwise the axis of treated parallel hole of blank in formed by working surface grinding wheel and treated surface of blank crescent-shaped space without out of nozzle butts of processed blank.
EFFECT: consequently it is improved quality and efficiency of inner blanks' grinding.
2 dwg
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