FIELD: measurement equipment.
SUBSTANCE: device for measuring wear of the bore contains a measuring cylinder placed inside the barrel and an oil container. The measuring cylinder has three additional retractable pointed rods with pistons and seals located in the same plane at an angle of 120°. There is also a vertical collapsible measuring column. The column consists of tubes connected to each other by means of a threaded connection with a seal and has a cylindrical measuring tank.
EFFECT: simplification of measurement.
1 cl, 1 dwg
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