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
A five-inch SHELL William McLean
The German engineers before the Second world war began the development of guided air missiles "air — air". Brought to flying condition samples and technical documentation "wonder...
CARTRIDGE MACHINE
On lathes one of the most common operations — machining centers. And here a lot of time is usually lost on such auxiliary stage, both the clamp and release the part in the Chuck....
