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Презентация, доклад по английскому языку на тему Machine tools
Содержание
- 1. Презентация по английскому языку на тему Machine tools
- 2. The variety and combinations of machine-tools today are unlimited
- 3. Some of them are very small and
- 4. There are some basic operations at any workshop
- 5. They are turning, drilling, threading, etc
- 6. The main machine-tool of such a workshop is the multipurpose lathe
- 7. What is a lathe?
- 8. It is a power-driven machine with
- 9. The metal that cuts another
- 10. The tool itself is very small in
- 11. Technological accuracy oprogress improvesf machine-tools
- 12. Today's equipment can produce parts with very high accuracy
- 13. One can find a number of machine-tools
- 14. Such machines can hold the parts which
- 15. A great many of such "clever" machines
- 16. Automation is one of the main factors of engineering progress
- 17. Flexible production lines form the basis for automated workshops
- 18. The main principle of such a flexible
- 19. It is equally efficient in conditions to
The variety and combinations of machine-tools today are unlimited
Слайд 3
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
Слайд 9
The metal that cuts another metal must be very
hard and so tools should be made of very hard steel alloys
Слайд 13
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
Слайд 14
Such machines can hold the parts which are to be measured
and are able to
indicate precise measurements themselves
Слайд 15
A great many of such "clever" machines can be found today
in our industry.
Automation is one of the main factors of engineering progress
Слайд 18
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
Слайд 19
It is equally efficient in conditions to both mass and small-batch
production
and will serve to increase the productivity
