The need to sample a semicircular groove often occurs during the manufacture of home-made furniture or the construction of a garden shed. How to do it without the special tool! The figure shows the method of manufacturing such a groove with a conventional circular saw — a workpiece moving along the inclined installed a bar-rail. The tilt angle depends on the width of the groove and determined by the elementary measuring instrument of the type of a parallelogram and the line.
Recommend to read
IF THE SEA TROUBLE…
Model boats ROSTOK. There is a class of courts, representatives of which can be found in all sea countries, to see in any major seaport. This court, lifeguards, created to provide...
TILLERS-A TILLER OF THE GROUND
The tillers built in circle of "Technical creativity" Yakovlevskaya Polytechnic. Designed for ploughing all types of soils - both light and heavy. Ease of management makes the job...
