What is the angle of the V thread, also known as the Unified thread?
Thread Types and Applications
Interactive Video
•
Science, Physics, Other
•
9th - 10th Grade
•
Hard
Patricia Brown
FREE Resource
The video discusses various types of screw threads used for power transmission, including V threads, square threads, acme threads, buttress threads, knuckle threads, and Whitworth threads. Each type is explained in terms of its shape, angle, and specific applications. V threads are used for fastening due to their ease of manufacture and high friction. Square threads are used for motion transmission with less friction but are costly to produce. Acme threads, a modified square thread, are easier to cut and stronger, used in power screws. Buttress threads handle high axial thrust and are used in high-load machines. Knuckle threads are for rough work, while Whitworth threads are used in special-purpose fastenings.
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
60 degrees
45 degrees
90 degrees
30 degrees
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are V threads commonly used for fastening?
They are easy to manufacture
They have low friction
They are expensive
They are difficult to produce
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of square threads?
Asymmetrical design
Perpendicular flanks
Rounded top
High friction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which application is NOT typically associated with square threads?
Railway couplings
Lead screws
Clamps
Vices
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle of the acme thread?
29 degrees
90 degrees
45 degrees
60 degrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What advantage does the acme thread have over the square thread?
Higher friction
Easier to cut
More expensive
Less durable
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary design purpose of the buttress thread?
Low friction
Symmetrical design
Cost-effectiveness
High axial thrust in one direction
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