Which part of an outside micrometer remains fixed and supports the workpiece during measurement?
Anvil
To answer the question, "Which part of an outside micrometer remains fixed and supports the workpiece during measurement?" let's examine the different components of an outside micrometer and their functions:
- Anvil: The anvil is a critical part of an outside micrometer that remains fixed and provides support to the workpiece during measurement. It is a flat surface that the workpiece rests against for accurate measurement. Therefore, the correct answer is the "Anvil."
- Ratchet Stop: This component ensures that the spindle is advanced slowly and consistently to apply uniform pressure while taking measurements. It prevents excess pressure from being applied to the workpiece, which could result in inaccurate readings. However, it does not provide support to the workpiece.
- Spindle: The spindle is a movable part opposite the anvil. It is adjusted to contact the workpiece and measures its length. Though integral to the measuring process, the spindle does not support the workpiece.
- Thimble: The thimble is part of the micrometer that you rotate to move the spindle. It has a scale that works with the sleeve to give precise measurements. It plays no role in supporting the workpiece during measurement.
In conclusion, the anvil is the part of the outside micrometer that remains fixed and supports the workpiece during measurement, ensuring accuracy and stability. It is essential for maintaining consistent positioning of the object being measured.
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