Rationalization proposal Lyubertsy student of secondary school № 42 of Konstantin Shishkin. If you need to turn on a lathe a few identical parts rather complicated configuration, it makes sense to use a universal strap-holder which can be mounted a set of cutters. It is made very simply is a steel bar with a groove in which is invested cutters. In the holder they are fixed by bolt. To change the distance between the incisors allows a set of replacement crackers. The use of this device in a school workshop allowed us to reduce labor costs and increase accuracy of manufacturing of a number of parts.
Recommend to read
FIRST AID VACUUM CLEANER
Have been published in the journal advice, how to repair vacuum cleaner hose with cut Velocimetry. But it does not work the necessary rigidity of the connection. To achieve it together...
CAR-SAMAGRO
When the designers of trucks "taught" them of the body independently, without other auxiliary mechanisms, to pour onto the ground or into a special hopper delivered to the site loads,...
