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
HANGER TUBES
If on the shelf in front of the mirror in the bathroom felt cramped, to get out of the situation you will help colored plastic clothespins. They can be hung on the wall tubes of...
STEP BY STEP
Every time I talk about the French ships of interwar buildings, we have to remember the relevant Italian. The constant rivalry between the two Mediterranean Nations forced the designers...
