1. Find all the words with – ed endings in the text. State their origin. Translate the sentences into Russian.
2. Find in the text synonyms for the following English words:
Because of, side, in the end, to permit, to put right, considering, to discover, to cause weakening, for that reason, in fact, to employ, to manufacture.
3. Choose the definition that fits each word or phrase as it is used in the text:
performance |
1. The act of performing a play, dance, or other form of entertainment. 2. The standard to which someone does something such as job or examination. |
face |
1. The front side of your head. 2. One side of a coin. 3. One flat side of an object. |
life |
1. The period of time from birth until death. 2. Living things such as plants or animals. 3. The period of time during which something is good enough to be used. |
work |
1. Physical or mental activity. 2. Employment for earning a living. 3. Things or parts made of certain materials or with certain tools. |
cutter |
1. A small fast sailing-ship. 2. A tool that cuts. |
4. Look at the picture below and say where each type of milling cutters can be employed:
5. Put these words in the right order to make up a sentence:
Cutter, due to, during, operation, wear, the, dulled, is.
Edge, cut, normally, sets in, catastrophic, partly, so-called, wear of the tool, can’t, destroyed, the, when.
Temperature, the, friction, of, increases, always, the, cutting tool.
Several, cutters, actually, types, there, milling, of, exist.
Pockets, designed, slots, end, mills, cutting, and, are, keyways, for.
Summarize the text.
D
ISCUSSION
Working in pairs role-play the following situations:
Your friend knows little about milling machines. He asks you questions about the construction arrangement of them. Tell him all you know.
One of you is a teacher. Your student has been given the task to make a report on different types of mills. ask him for this information.
FINAL TEST
1. Choose the sentences which are true to the information of Text 1 (Выберите предложения, соответствующие информации текста 1):
A. Conventional milling is a more progressive method.
B. The rotation of a cutter is called the primary cutting motion.
C. Less heat generated in climb milling and less wear permit higher milling speeds.
D. Climb milling can be used for rough castings and forgings.
E. The magnitude of feed motion is expressed in millimeters per minute.
2. Choose the right Russian equivalent to the following English sentence (Выберите верный русский эквивалент следующему английскому предложению):
The rigidity of the knee and the accuracy of its ways are of paramount importance for the operation of the machine.
A. Жёсткость консоли и точность её направляющих оказывают незначительное влияние на работу станка.
B. Жёсткость консоли и точность её направляющих имеют первостепенное значение для работы станка.
C. Важность жёсткости консоли и точности её направляющих для работы станка ещё не изучены.