Difference between Lever and Co-Axial Dial Indicator

 Key Differences and Applications

Hello and welcome to another exciting day. Hope that all of you engineers and technicians are doing their best to meet the demands of today's market.

Everyone of use to take some kind of measurement everyday, it can be measuring distance to your college or workplace or it can be measuring weight of groceries that your wife asks to purchase 😉😉😉🥳🥳.

But in case of manufacturing technology when it comes to measurements, there is no chance of mistakes. We use different instrument to take measurements which includes Vernier caliper, Micrometers, Gauges and Dial Indicators.

Today's topic is about 2 common types of dial indicators. 

Introduction:

Mechanical measuring instruments are crucial tools in various industries, providing accurate measurements and quality control. 

Two commonly used dial imdicators are the lever dial indicator and coaxial dial indicator. In this article, we will explore the key differences between these two instruments and their respective applications.

 

What is a Lever Dial Indicator?

Lever dial indicators are designed with a lever arm, a fixed pivot point, and a graduated dial that displays the readings. Leaver Dial indicators are ideal for measuring following:

1- Deviations in different profiles

2- Taking center point of hole.

3- Measuring center distance of holes.

4- Checking alignment.

5- Measuring flatness. 

 

What is a Coaxial Dial Indicator?

Coaxial dial indicators have a central spindle, a rotating lever arm around the spindle, and a graduated dial that displays the readings. 

These are more sensitive than lever dial indicators and are ideal for measuring runout, concentricity, and alignment in cylindrical parts.

 

Design Differences: Lever Dial vs Coaxial Dial Indicator

Lever dial indicators have a horizontal and vertical orientation and measure deviations in two directions.

Coaxial dial indicators are used to measure runout, concentricity, and alignment in cylindrical parts and have a perpendicular orientation.

 

Sensitivity Differences: Lever Dial vs Coaxial Dial Indicator

Coaxial dial indicators are more sensitive than lever dial indicators, making them ideal for measuring small deviations in dimensions or positioning.

 

Range of Measurement Differences: Lever Dial vs Coaxial Dial Indicator

Lever dial indicators have a larger range of measurement than coaxial dial indicators, making them useful for measuring larger deviations in dimensions or positioning.

 

Applications of Lever Dial Indicator

Lever dial indicators are commonly used in manufacturing and engineering applications to measure deviations in linear dimensions or positioning.

 

Applications of Coaxial Dial Indicator

Coaxial dial indicators are ideal for use in the manufacturing and engineering of rotating components, where they can measure runout, concentricity, and alignment in cylindrical parts.

Conclusion

The choice between a lever dial indicator and a coaxial dial indicator depends on the specific application's requirements and the level of precision needed. Lever dial indicators are more suitable for larger deviations, while coaxial dial indicators are better for smaller deviations and cylindrical parts. By understanding the key differences between these two instruments, you can choose the most suitable one for your needs.