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Questions and Answers
What is the purpose of a lathe in thread cutting?
What is the purpose of a lathe in thread cutting?
- To produce threads on an external surface only
- To cut threads of various sizes and shapes (correct)
- To produce only tapered threads
- To produce threads on an internal surface only
What is the term for the distance between diametrically opposite points on a straight thread?
What is the term for the distance between diametrically opposite points on a straight thread?
- Spiral diameter
- Major diameter
- Pitch diameter (correct)
- Minor diameter
What is the term for the smallest diameter of a straight external or internal thread?
What is the term for the smallest diameter of a straight external or internal thread?
- Thread diameter
- Spiral diameter
- Major diameter
- Minor diameter (correct)
What is the term for the spiral ridge formed on a cylindrical surface?
What is the term for the spiral ridge formed on a cylindrical surface?
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What is the most common type of thread cut on a lathe?
What is the most common type of thread cut on a lathe?
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What is the distance between the root and the crest of the thread?
What is the distance between the root and the crest of the thread?
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What is the angle between the flanks of adjacent turns of the thread?
What is the angle between the flanks of adjacent turns of the thread?
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Which gearbox is used to change the speed of the lead screw?
Which gearbox is used to change the speed of the lead screw?
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What is the direction of rotation of a right-hand thread to advance?
What is the direction of rotation of a right-hand thread to advance?
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What is the purpose of the half nut in a thread cutting operation?
What is the purpose of the half nut in a thread cutting operation?
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