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
SUPERFAST CLIP
It is intended for the instant fixing of parts of circular cross-section axes, rods, rollers and the like. It can be used when drilling the end holes, milling flats, slots, or splines....
ETERNAL BUCKET
Somehow, examining the parts of a worn washing machine "Siberia", drew attention to her vatoobraznye the drum of the centrifuge and realized that he could still a lot to serve, and that...
