FIELD: machine building.
SUBSTANCE: device of precision mechanical positioning includes casing, two parallel helical screws. First helical screw is installed in the casing using bearings, and is engaged with nut rigidly linked with saddle installed in the casing with possibility of the translational movement over the roller ways. On the helical screw the gear wheel is secured, it is connected with tooth-wheel rigidly installed on the second helical screw secured in bearings and engaged with nut rigidly linked with carriage installed on the saddle with the possibility of translational movement. End of the first helical screw has dial ensuring its movement.
EFFECT: high accuracy of positioning.
1 dwg, 1 tbl
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| DISTRIBUTION OF GLASS MELT DROPS | 2007 |
|
RU2434815C2 |
| 0 |
|
SU393046A1 |
