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
VELOVIC WITH POCKETS
Two-wheeled transport — an indispensable tool: the products whether to go to a distant shop or a neighbouring market, potatoes from the garden to bring — but few if any economic goods in...
RECUMBENT: LET’S HIT THE ROAD!
In the late 70-ies in the press, especially in the journal "modelist-Konstruktor", wrote a lot about velomobiles. Was presented designs of various authors. Some argued that a new form of...
