Е. С. Закирова, П. А. Красавин Английский язык для технических вузов


Exercise 20. Listen to the text “A Lathe”



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Exercise 20. Listen to the text “A Lathe”.
Before listening: mind the words and phrases given to comprehend better the 
information you are going to listen to.
Chamfering — снятие фаски;
knurling — насечка, накатка;
straight turning lathe — токарный станок прямой обточки;
taper turning lathe — токарный станок конусной обточки;
profiling lathe — токарный станок фасонной обточки;
external grooving lathe — токарный станок внешней проточки кана-
лов;
curved — изогнутый;
grooved — проточный. 
After listening: agree or disagree with the following statements and add some 
more information if needed.
1. A lathe is the oldest machine tool. 2. Turning usually uses multipoint 
cutting tools. 3. Only chamfering and knurling can be performed on a lathe. 
3. There are different types of lathes, such as straight turning and profiling. 
4. Lathes can produce curved and grooved shapes of workpieces. 5. Modern 
CNC lathes can produce milling.
SPEAKING
Exercise 21. Share your vision of engineering materials technology using the fol-
lowing phrases: to my mind, in my opinion, if I am not mistaken, as far as 
I remember, it seems to me, etc.


168
1. What processes does metalworking include?
2. What is cutting?
3. What is considered to be the excess metal in cutting metals?
4. What is the most common example of a chip producing process?
5. How can you describe a cutting process which is called ‘burning’?
6. Chemical milling is an example of special cutting processes, isn’t it?
7. Is boring a cutting process?
8. Where can boring be performed?
9. What kinds of lathes do you know?
10. Is turning performed on the outside or the inside of the cylinder?
11. Which process can produce tubular components?
12. Which operations can milling machines perform?
13. Can lathes do milling?
14. What temporary joining techniques can you name?
15. What processes does permanent joining embrace? 


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