UNIT-TYPE MACHINE Russian patent published in 1997 - IPC

FIELD: machine tool manufacture. SUBSTANCE: unit-type machine containing power heads and rotary table with power cylinders 5,6 and 7 intended respectively for rotation, location and clamping of the table is provided with device for building up pressure in the cylinders. The device is made in the form of rests 21,22 and 23, secured on the power heads, and three pairs of additional power cylinders 25, 26 with plungers 31 situated in each pair oppositely to each other. After a command for starting operation cycle is received, the power heads move rapidly into machining zone. Rests 21,22 and 23 interact with plungers 31, which force oil from working chambers 27 and 28 of power cylinders 25 and 26 into working chambers 29 of power cylinders 5,6 and 7. EFFECT: enhanced efficiency. 6 dwg