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4.2 T h e H y d r a u l i c G r i n d e r 1. This universal grinder is designed for grinding cylindrical holes and faces of workpiece. It is widely used for lot production in various types of machine building plants. 2. Machines of this type are of very massive constructions, but they are designed in such a way that they can be operated as easily as machines of smaller sizes. 3. They are hydraulically operated and controlled by a single lever located at the front end of a machine including all movements of the wheel slide, cross-feed, starting and stopping the work of the spindle. 4. The wheel spindle is driven by a V-belt from a motor located on a bracket on the wheel slide. The cross-feed for the wheel slide is operated by a hydraulic unit. 5. The wheel head is clamped on the top surface of the table. When setting up the grinder, the wheel head can be adjusted in a longitudinal direction to suit the length of the workpiece. Прочитайте текст и выполните следующие за ним упражнения. 2. Найдите в правой колонке русские эквиваленты английских слов и словосочетаний: 1. grinder a. кронштейн 2. lever b. заготовка 3. wheel slide c. продольное направление 4. cross-feed d. налаживать станок 5. wheel spindle e. регулировать 6. bracket f. шлифовальный станок 7. wheel head g. шлифовальный суппорт 8. to clamp h. рычаг 9. to set up i. поперечная подача 10. to adjust j. шлифовальная головка 11. longitudinal direction k. шпиндель шлифовального круга 11. workpiece l. зажимать 3. Переведите на русский язык встречающиеся в тексте интернациональные слова: Universal, cylinder, type, mass, massive, construction, hydraulic, control, function, spindle, motor. Переведите на русский язык в письменной форме абзацы 1, 3 и 5. 5. Найдите соответствующие ответы на вопросы и напишите их в той последовательности, в которой заданы вопросы: Вопросы 1. What operation is the universal grinder designed for? 2. What mechanism controls the movements of the wheel slide and cross-feed? 3. By what unit is the cross-feed for the wheel slide operated? 4. Where is the wheel head clamped? Ответы a. By the hydraulic unit. b. For grinding cylindrical holes of workpieces. c. On the top surface of the table. d. The lever. Закончите предложение, выбрав соответствующий вариант.
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