Английский для сварщиков. Гричин С.В. - 101 стр.

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101
5. Consumables and shielding gas are not required.
6. Abutment or backing is necessary.
7. Arc is not used.
Answer the following questions:
1. What is of Friction Stir Welding method based on?
2. How is the weld formed?
3. What do the welding parameters depend on?
4. What, in your opinion, are the most important advantages/disadvantages of
the Friction Stir Welding method?
5. Want is the best sphere of application of this method at present?
Writing
Write a short report about FSW according to the following plan:
1. The principle of FSW.
2. Working environment.
3. Advantages and disadvantages.
4. Applications.
Lead-in
Think of the answers for the following questions:
1. What is an automated welding system?
2. What might be the advantages of automated welding systems compared
with manual welding?
3. What part do you think can never be welded using automated welding?
Vocabulary
run проход
man-machine
communication
интерфейс человек-машина
automated system автоматизированная система
welding sequence последовательность сварки; порядок наложения
швов
non-destructive testing испытания без разрушения образца,
неразрушающий контроль
interpass temperature температура начала мартенситных

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