Lathe lead screw thread selection In a standard engine lathe, the lead screw typically uses which type of thread start configuration? Choose the correct option.
Mechanical Engineering
Production Engineering
Difficulty: Easy
Choose an option
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ASingle-start
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BDouble-start
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CMulti-start (3 or more)
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DAny of the above are equally common
Answer
Correct Answer: Single-start
Explanation
ReasoningThe lead screw must transmit motion accurately and robustly to the carriage for thread cutting; single-start (often square/Acme form) provides strength and a precise, predictable lead.
ContrastMulti-start threads are used for quick traverse/feed screws, not typically for the lead screw.
Final AnswerSingle-start.