The variety and combinations of machine tools today are unlimited. Some
of them are very small and can be mounted on a work bench but others are
so large that we have to construct special buildings to house them.

There are some basic operations at any workshop. They are turning,
drilling, threading, etc. The main machine-tool a workshop is the
multipurpose lathe. What is a lathe? It is a power-driven machine with
special tools which can cut or form metal parts. The metal that cuts
another metal must be very hard and so tools should be made of very hard
steel alloys. The tool itself is very small in comparison with the
mechanism that is to direct it.

Technological progress improves accuracy of machine tools. Today’s
equipment can produce parts with very high accuracy. One can find a
number of machine tools that can measure and inspect their production
themselves – machine tools that are to handle the parts mechanically and
automatically. Such machines can hold the parts which are to be measured
and be able to indicate precise measurements themselves. A great many of
such «clever» machines can be found today in our industry.

Since machine tools become faster and more complex, automatic
measurements and inspection ought to be of greater importance.
Automation is one of the main factors of engineering progress.

Flexible production lines form the basis for automated workshops. The
main principle of such a flexible line is the fact that it can be
switched over from one product to another, which has a similar structure
but a different outline, almost instantaneously. It is equally efficient
in conditions of will serve to increase the productivity.

The USSR and other highly industrialized countries begin making use of
flexible modules and automated workshops on a broad basis.

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