Question 1

Describe the function of a cam mechanism.

Accepted Answer

Cams convert constant rotary motion into a corresponding straight motion.

Question 2

The length of the displacement diagram for a drum cam is equal to _________________________________________.

Accepted Answer

. The circumference of the cam

Question 3

Name the most commonly used cam follower.

Accepted Answer

Roller follower

Question 4

Explain why constant velocity motion is modified with a curve at the bottom and top of the period.

Accepted Answer

. Constant velocity motion is an abrupt

Question 5

What type of cam motion is best for smooth-running high- speed applications?

Accepted Answer

The answer of What type of cam motion is best...

Question 6

Explain the difference between plain and roller element bearings.

Accepted Answer

. Plain bearings are referred to as slee

Question 7

Identify the parts of the spur gear shown in the drawing below.

Accepted Answer

The answer of Identify the parts of the spur gear...

Question 8

Explain why schematic symbols are used for linkage drawings.

Accepted Answer

Schematic symbols enable the drafter to

Question 9

Draw a four-bar linkage and label the four links.

Accepted Answer

The answer of Draw a four-bar linkage and label the...

Question 10

Describe the purpose of the cam displacement diagram and how it relates to the cam profile construction.

Accepted Answer

The displacement diagram is used to dete

Question 11

Define gear.

Accepted Answer

Gears are toothed wh

Question 12

Given a spur gear with 54 teeth, diametral pitch of 6, and a pitch diameter of 9.000 in., calculate the following:

Accepted Answer

The answer of Given a spur gear with 54 teeth,...

Question 13

What is the best material for use in the manufacture of plain bearings?

Accepted Answer

. Bronze that is nor

Question 14

List three types of cam mechanisms.

Accepted Answer

Plate cam,

Question 15

What is the gear ratio if the gear in Question 21 mates with a pinion having 18 teeth?

Accepted Answer

The answer of What is the gear ratio if the...

Question 16

List at least two uses for a slider crank mechanism.

Accepted Answer

Slider cranks are fo

Question 17

List three types of parallel shafting gears.

Accepted Answer

. External and inter

Question 18

The total movement or displacement of a slider mechanism is called _________________________________________.

Accepted Answer

The answer of The total movement or displacement of a...

Question 19

Describe the function of a worm gear and worm.

Accepted Answer

. A worm gear and worm are use

Question 20

Which type of cam motion is suited for only very slow speed applications?

Accepted Answer

. Constant

Exam 16: Mechanisms: Linkages, Cams, Gears, and Bearings

Describe the function of a cam mechanism.

The length of the displacement diagram for a drum cam is equal to _________________________________________.

Name the most commonly used cam follower.

Explain why constant velocity motion is modified with a curve at the bottom and top of the period.

What type of cam motion is best for smooth-running high- speed applications?

Explain the difference between plain and roller element bearings.

Identify the parts of the spur gear shown in the drawing below.

Explain why schematic symbols are used for linkage drawings.

Draw a four-bar linkage and label the four links.

Describe the purpose of the cam displacement diagram and how it relates to the cam profile construction.

Define gear.

Given a spur gear with 54 teeth, diametral pitch of 6, and a pitch diameter of 9.000 in., calculate the following:

What is the best material for use in the manufacture of plain bearings?

List three types of cam mechanisms.

What is the gear ratio if the gear in Question 21 mates with a pinion having 18 teeth?

List at least two uses for a slider crank mechanism.

List three types of parallel shafting gears.

The total movement or displacement of a slider mechanism is called _________________________________________.

Describe the function of a worm gear and worm.

Which type of cam motion is suited for only very slow speed applications?

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