The learner will identify and select the tools and procedures needed to set up a lathe for cutting threads.
Threading on a Lathe
Thread fit classes 1, 2, 3, 4, and 5 are used with the American National Standard with class 1 being _____.
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Threading on a Lathe
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Thread fit classes 1, 2, 3, 4, and 5 are used with the American National Standard with class 1 being _____.
Correct Answer
a very loose fit
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Threading on a Lathe
Incorrect
Thread fit classes 1, 2, 3, 4, and 5 are used with the American National Standard with class 1 being _____.
Your Answer
Correct Answer
a very loose fit
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Threading on a Lathe
To cut a 60-degree thread form, the tool is fed into the work at a _____ angle.
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Threading on a Lathe
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To cut a 60-degree thread form, the tool is fed into the work at a _____ angle.
Correct Answer
29-degree
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Threading on a Lathe
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To cut a 60-degree thread form, the tool is fed into the work at a _____ angle.
Your Answer
Correct Answer
29-degree
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Threading on a Lathe
This is used to align a tool square with the workpiece.
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Threading on a Lathe
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This is used to align a tool square with the workpiece.
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Center gage
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Threading on a Lathe
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This is used to align a tool square with the workpiece.
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Correct Answer
Center gage
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Threading on a Lathe
To produce a true 60-degree thread angle, the tool tip must be positioned ______ .
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Threading on a Lathe
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To produce a true 60-degree thread angle, the tool tip must be positioned ______ .
Correct Answer
right at center
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Threading on a Lathe
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To produce a true 60-degree thread angle, the tool tip must be positioned ______ .
Your Answer
Correct Answer
right at center
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Threading on a Lathe
Question 1 of 10
Threading on a Lathe
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Correct Answer
half nut
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Threading on a Lathe
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half nut
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Threading on a Lathe
The procedure for cutting left-hand threads is the same as it is for cutting right-hand threads with two exceptions:
- The carriage is set at 29 degrees to the left and the leadscrew rotation is reversed.
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The compound rest is set to 60 degrees and the spindle rotation is reversed.
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The compound rest is set to the right and the lead screw is reversed.
- The compound rest is set to the left 29 degrees and the lead screw is reversed.
Question 1 of 10
Threading on a Lathe
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The procedure for cutting left-hand threads is the same as it is for cutting right-hand threads with two exceptions:
Correct Answer
The compound rest is set to the left 29 degrees and the lead screw is reversed.
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Threading on a Lathe
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The procedure for cutting left-hand threads is the same as it is for cutting right-hand threads with two exceptions:
Your Answer
Correct Answer
The compound rest is set to the left 29 degrees and the lead screw is reversed.
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Threading on a Lathe
Question 1 of 10
Threading on a Lathe
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the pitch diameter
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Threading on a Lathe
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the pitch diameter
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Threading on a Lathe
Question 1 of 10
Threading on a Lathe
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29 degrees to the left
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Threading on a Lathe
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29 degrees to the left
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Threading on a Lathe
To pick up or chase a thread that has been interrupted during thread cutting, _____ .
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Threading on a Lathe
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To pick up or chase a thread that has been interrupted during thread cutting, _____ .
Correct Answer
position the tool to its original position in the thread after engaging the half nut lever
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Threading on a Lathe
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To pick up or chase a thread that has been interrupted during thread cutting, _____ .
Your Answer
Correct Answer
position the tool to its original position in the thread after engaging the half nut lever
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Threading on a Lathe
Question 1 of 10
Threading on a Lathe
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zero
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Threading on a Lathe
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zero
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Threading on a Lathe by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.