Cara Mengukur Mikrometer

>Hello Sohib EditorOnline, in this article, we will guide you on how to measure using a micrometer accurately. Whether you’re a professional mechanic, machinist or an engineering student, measuring with a micrometer is an essential skill that you need to learn. With a micrometer, you can measure tiny objects within a thousandth of an inch.

What is a Micrometer?

A micrometer is a precision measuring instrument that is used to measure the thickness, diameter, and length of small objects. It’s a type of caliper that uses a screw mechanism to provide precise measurements. A micrometer has a spindle that moves towards anvil that measures the object. It consists of an outer sleeve, a thimble, and a spindle. You can use it to measure the thickness of paper, the diameter of a screw, or the length of a metal rod.

Parts of a Micrometer

A micrometer has several components that allow you to take accurate measurements:

Part Description
Frame It’s the main body of the micrometer that holds all the components together.
Sleeve The outer cylindrical area of the micrometer that houses the thimble and spindle.
Thimble The rotating part of the micrometer that you can twist to move the spindle closer to the object being measured.
Spindle The part of the micrometer that touches the object being measured. It moves towards the anvil when you twist the thimble.
Anvil The fixed surface that the spindle touches when measuring an object.
Screw The screw mechanism that moves the spindle towards the anvil when you rotate the thimble.

How to Use a Micrometer

Step One: Choose the Appropriate Micrometer

Before taking any measurements, you must select the appropriate micrometer for the job. There are various types of micrometers available depending on the type of measurement required. For example:

Step Two: Set the Micrometer to Zero

Before taking any measurements, you must set the micrometer to zero. To do this, close the jaws of the micrometer and twist the thimble until the zero line on the sleeve lines up with the zero line on the thimble. This ensures that any subsequent measurements are accurate.

Step Three: Place the Object in the Micrometer

Place the object being measured between the spindle and anvil of the micrometer. The object should be placed in the same orientation every time to ensure accuracy.

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Step Four: Take the Measurement

Twist the thimble anticlockwise until the spindle lightly touches the object being measured. Take note of the measurement on the sleeve and the number of revolutions on the thimble. The number of revolutions on the thimble indicates the precision of the measurement. For example, if the sleeve reads 5 and the thimble reads 15, the measurement is 5.015 inches.

Step Five: Record the Measurement

Record the measurement in a notebook or a digital device. If necessary, repeat the measurement two or three times to ensure accuracy.

FAQs

What is the Accuracy of a Micrometer?

The accuracy of a micrometer depends on the type and quality of the micrometer being used. Most micrometers have an accuracy of ±0.0001 inches or ±0.0025 millimeters.

Can I Use a Micrometer to Measure Plastic?

Yes, you can use a micrometer to measure plastic as long as the plastic is not too soft or flexible. Make sure that the plastic is placed in a stable position to ensure accuracy.

What is the Difference Between an Inside and Outside Micrometer?

An inside micrometer is used to measure the internal diameter of an object, while an outside micrometer is used to measure the external diameter of an object.

Can I Use a Micrometer to Measure Depth?

Yes, you can use a depth micrometer to measure the depth of an object. A depth micrometer is designed to measure the depth of a hole or a recessed surface.

How Often Should I Calibrate My Micrometer?

You should calibrate your micrometer at least once a year or after any significant damage or repair. Calibration ensures that your micrometer is accurate and reliable.

Conclusion

Measuring with a micrometer requires precision and patience. With the right technique and a good quality micrometer, you can measure objects with accuracy and reliability. Remember to always select the appropriate micrometer for the job, set it to zero, and record your measurements accurately. With practice, you’ll be measuring with a micrometer like a pro in no time.

Cara Mengukur Mikrometer