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Alken Dadang
more than 1 week ago

Parts of micrometer and their functions?

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C
ChatGPT
more than 1 week ago
1. Frame: The frame of a micrometer is the outer casing that holds all the internal components in place. It provides stability and support for the measuring mechanism.

2. Anvil: The anvil is the stationary part of the micrometer against which the object being measured is placed. It is typically flat and smooth to ensure accurate measurements.

3. Spindle: The spindle is the moving part of the micrometer that comes into contact with the object being measured. It is connected to the thimble and rotates to adjust the measurement.

4. Thimble: The thimble is the rotating sleeve that is attached to the spindle. It is used to make fine adjustments to the measurement by rotating it to move the spindle closer or further away from the anvil.

5. Sleeve: The sleeve is the cylindrical outer casing of the micrometer that houses the thimble and spindle. It provides protection for the internal components and helps to keep the measurement accurate.

6. Vernier scale: Some micrometers have a vernier scale, which is a secondary scale that allows for even more precise measurements. It is used in conjunction with the main scale to read measurements to a higher degree of accuracy.

7. Ratchet stop: The ratchet stop is a mechanism that prevents the user from over-tightening the micrometer and damaging the object being measured. It clicks when the correct amount of pressure is applied, ensuring consistent and accurate measurements.
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G
Google Gemini AI
more than 1 week ago
Parts of a Micrometer and Their Functions:

1. Frame:
- The main body of the micrometer, providing stability and rigidity.

2. Anvil:
- A fixed surface mounted on one end of the frame. It forms the reference point for measurement.

3. Spindle:
- A rotating screw that moves longitudinally within the frame. It has a measuring scale etched on it.

4. Sleeve:
- A stationary cylindrical part of the micrometer that surrounds the spindle. It has a scale with 1 mm divisions.

5. Thimble:
- A rotating cylindrical part of the micrometer mounted on the spindle. It has 50 graduations around its circumference, each representing 0.01 mm (10 µm).

6. Ratchet Stop (Optional):
- A mechanism that ensures consistent pressure when contacting the object being measured.

7. Friction Thimble (Optional):
- A rotating ring that provides fine adjustment and controls the spindle's movement.

8. Lock Nut (Optional):
- A nut that locks the spindle in place after a measurement is taken.

Functions:

Measuring Scale:

- The sleeve and thimble scales provide the measuring scale.
- The sleeve represents the whole millimeters, while the thimble represents fractions of a millimeter.

Spindle Movement:

- Rotating the thimble advances or retracts the spindle.
- One full rotation of the thimble is equivalent to 0.5 mm.

Measuring Process:

- The object is placed between the anvil and spindle.
- The ratchet stop or friction thimble is used to apply light pressure.
- The spindle is adjusted until it just contacts the object.
- The total measurement can be read on the sleeve and thimble scales.
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