baba22
02.06.2021 12:36

Task 2. Read and follow the instructions: 1. read the text; 2. answer the questions; 3. choose
only ONE answer; 4. circle the answer.
My name is Mia. Lam a pianist. I began studying
the piano when I was three years old. I am ten
years old now. I play the piano in the orchestra at
the community college. We give a concert two
times a year. I am always practicing new music for
the next concert.
During the school year, I take four piano lessons
every week from my piano teacher, Mrs.
Taylor.
Байланыстар саны: 4
1. How long has Mia
been taking plano
lessons?
O
three times
O
O
seven years
2. Where does Mla
take her piano lessons
every week?
two hours
3. How many times a
year does they give a
concert?
4. How many hours a
week does Mia
practice the piano?
lo
at the community
college​

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Ответ:
Алиса228228
14.10.2021 18:36
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Ответ:
raisabarsegyan
05.10.2020 22:22

задняя бабка -  tailstock

передняя бабка-headstock

lever - рычаг 

engine lathe - токарно-винторезный станок

drilling-сверление

saddle-суппорт

 handle-рукоятка

apron-фартук (суппорта)

carriage-каретка

guideways-направляющие (станка)

turning-обточка

 screw cutting-нарезание винтов

 

2. metal-металл

operation - операция, действие

principal - главный, основной

spindle - веретено, жердь

function - функция

centre - центр

control - управление, контроль

base- основание, подложка, подставка

special - особенный, специальный

bolt - засов, задвижка  

1. gearbox and headstock; - коробка передач и передняя бабка 

2. tailstock; - задняя бабка

 3. frame; - каркас, рама

4. spindle; - жердь,ось

5. feed gearbox; -коробка подач

6. electric motor;-электродвигатель

7. control panel;-панель управления

8. cross slide, - дословно поперечное скольжение (направляющая?)

9. carriage; - каретка

10. tool block; -  ?

11. ways; - направления

12. lead screw; -направляющий винт

13. feed rod;- тяга механизма подачи, ходовой валик

14. operating lever shaft; ?

15. operating and reverse handle; ?

16, apron; передник, фартук

17. hand feed wheel маховичок ручной подачи

5)

 What operations is the engine lathe used for?

For turning, drilling, screwcutting and others

 What are the principal units of the lathe?

The bed, the headstock, the tailstock and the carriage with the apron

What units are located on the bed?

The headstock, the saddle and the tailstock

 What is the function of the tailstock?

 To support one end of the work turned between centres.

Where are the handles and levers mounted?

 On the front of the apron

6) 1. The unit that contains the spindle and the gearbox is  the headstock

 2. The unit that supports one end of the work turned between centres is called the tailstock

. 3. The unit which carries the tool is called  the carriage

 The units, actions of the tool are controlled, are called  levers and handles.

 

4)

The bed is the base of any machine-tool and it is made of grey iron on which the saddle and the tailstock slide along special guideways. The headstock is also located and bolted on the bed.

 Постель - это основание любого станка и она сделана из серого литейного чугуна, на  котором вдоль специальных направляющих скользят суппорт и задняя бабка. Передняя бабка также расположена и  скреплена болтами к постели. 

4. The headstock contains the spindle and the speed gearbox. The spindle is the part of the machine to which power is applied to rotate the work. The changing of the spindle speed is effected by levers.

Передняя бабка включает в себя жердь(ось) и коробку передач. Жердь - это часть машины, к которой применяется источник энергии(сила) для вращения. Изменение скорости жерди осуществляется рычагами.

5. The tailstock consists of a casting fitted to the bed. The function of the tailstock is to support one end of the work turned between centres and to mount the tools.

 

Задняя бабка состоит из отливки, прилаженной к постели. Функция постели заключается в поддержке одного конца изделия повернутым между центрами и закреплении инструментов.

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