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Vocabulary

threaded fastener нарізне кріплення

stud шпилька, штифт

screw гвинт

nut гайка

ratio відношення

versatile різноманітний

purpose призначення

countersunk зкритий

semicircular напівкруглий

distinguish відрізняти

restrict обмежувати

tighten затягувати (гвинт)

helix гвинтова лінія

Test

  1. Match the titles to the parts of the text:

1). Division According to the Purpose of the Joint.

2). Method of Clamping.

3). Tension Nuts.

4). Main Standard Threaded Fasteners.

A

B

C

D

  1. Match the notions to their definitions:

1. Fastener

a) a short, thin,

sharp-pointed

length of metal with ф small

head at one end used for

fastening or holding things together.

2. Pin

b)small piece of metal for screwing on to the end of the bolt.

3. Nut

c)a metal pin with a thread at one end for a nut.

4. Bolt

d)a mechanical device for fastening things together.

1

2

3

4

  1. What statements are true or false:

1). Thread cutting on the fastener.

2). Fastener a mechanical device to glue things together.

3). The main standard threaded fasteners In­clude bolts, studs, screws and nuts.

4). The choice of the design depends on the purpose of selling.

5). By the method of clamping they are divided: externally, internally (with an internal hexagonal socket) on the end-face.

6). Nuts can take external expanding load which is compressive or tensile. The latter nuts are known as light nuts

1

2

3

4

5

6

4. Choose the right statement:

1. Fasteners are distinguished by … .

a) method of clamping;

b) colour;

c) type of alloy.

2. Being placed under heads or nuts… .

a) they are fastened;

b) washers pro­tect the finished portion of the jointed members against damage during tighte­ning;

c) hermetic saved the situation.

3. Classification depending on the purpose … .

a) of the joint;

b) of production;

c) of usage.

5. Fill in the gaps.

1).The main standard threaded … in­clude bolts, clamp screws and nuts. 2). The … forms and geometrical ratios of the heads of bolts,

screws and nuts are versatile indeed. 3).The choice of the design depends on the purpose of the … .

1) a) fasteners,b) details, c) units.

2) a) given, b) organized, c) designed

3) a) installation;

b) joint;

c) form.

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