
PRECISION 0.1 — WITHOUT A MICROMETER AND VERNIER CALIPER

Skis kept slipping off… Leaning on a stick, he made a hesitant step forward, but only tried to pull foot slipped, and I had to start all over again. I waved to him, and, intending to help, was to stomp your feet, succeeding leisurely “ladder” to “tree”. But at this moment his leg again. slipped and almost tknuvshis nose in the snow, he moved out of the middle of the mountains.
ELLIPSOGRAPH — is the name of this simple device. It can be used to draw an ellipse with any ratio of the semiaxes. It is enough to set into the holes on the line of alignment pins to align the center of ellipsograph with the future centre of the ellipse and rotate the line by Read more…
No one is surprised that for drilling different holes require different tools. The bit set can not do, does not matter. The trouble is that the tool change takes a lot of precious minutes. How to avoid this! In various companies are innovators in different ways solve this problem. There was, for example, drill bits with a stepped diameter, one such tool allows you to drill small and large holes. And where this range should be really very great work on the turret with permanently fixed at their range of drills.