Before you drill cylindrical in shape, its surface need to procure under the drill “the hole” — to stake. But not so easy to set the core to such detail. Helps may this simple device, consisting” of two halves: the bottom serves as bed for the most part, and on top of the guide pins worn shaped clamp with holes for the core. It is much easier to work, improves the accuracy of markup. The fixture will stand in good stead not only at home but also at work. N. PASHCHENKO, Turner, Donetsk region.
Recommend to read
THE WOODPILE BY THE FIREPLACE
No matter how neatly were stacked the firewood on the floor near the fireplace or stove, they still are not in harmony with the warm atmosphere of the home. Another thing, if they are...
THE GYRO ON A ROPE
Model autogyro designed and built in the laboratory of the Aero modeling club of young technicians of the Siberian branch of the USSR. The author is a graduate of the class of technical...
