Identify the thread forms suitable for the operation: (i) a lathe leadscrew and (ii) a car jack. - Leaving Cert Engineering - Question 8 - 2013
Question 8
Identify the thread forms suitable for the operation: (i) a lathe leadscrew and (ii) a car jack.
Worked Solution & Example Answer:Identify the thread forms suitable for the operation: (i) a lathe leadscrew and (ii) a car jack. - Leaving Cert Engineering - Question 8 - 2013
Step 1
(i) a lathe leadscrew
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Answer
The thread form suitable for a lathe leadscrew is the Acme thread. This form is specifically designed to allow for efficient movement and high load capacity while providing a good balance between strength and ease of manufacturing.
Step 2
(ii) a car jack
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Answer
For the operation of a car jack, the appropriate thread form is the square thread. Square threads are preferred in this application because they can transmit greater loads with less effort, making them efficient for lifting heavy objects.
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