MACHINE FOR DRILLING FOUR HOLES SIMULTANEOUSLY Russian patent published in 2005 - IPC

FIELD: mechanics; manufacture of heating appliances.

SUBSTANCE: proposed machine has frame with welded struts and plate mounted on struts, four technological heads with revolving spindles at longitudinal feed of tools which are mounted on frame in horizontal position, pneumatic cylinders for centering and pressing the work and guide bushes for tools. Heads are made in form of self-contained units; each unit has body with electric motor secured on it; two struts made from steel sheets are welded to plate; two pneumatic cylinders are mounted vertically on plate; their rods are provided with spherical washers; guide bushes are located in struts. Tools are made in form of drills.

EFFECT: reduced labor consumption; increased productivity.

2 cl, 2 dwg