Probe Circle Measurement

Easson2D supports collecting multiple contact points on a circular workpiece or a hole contour with the probe and generating a circle element from the collected measurement points.

The following uses Horizontal Circle Measurement as an example to demonstrate the operation.

1. Select Horizontal Circle Measurement

Click:

Probe Measurement → Horizontal Circle Measurement

to enter the horizontal circle measurement mode.

Once in this mode, you can directly move the probe to capture points on the circular feature.

2. Probe Points

Move the probe to the circular contour to be measured and contact the workpiece to capture points sequentially.

Horizontal circle measurement requires:

At least 4 measurement points

Each time the probe is triggered, Easson2D records the current measurement point.

For more stable circle measurement results, it is recommended to spread the measurement points evenly around the circumference rather than concentrating them within a small arc.

For example, you can capture points at the:

• Left
• Right
• Top
• Bottom

and other positions around the circumference.

3. Complete the Measurement and Generate a Horizontal Circle

After capturing the probe points, right-click in the:

image area or geometry area

to end the current point capture operation.

Easson2D calculates the circular feature from the collected measurement points and automatically generates the corresponding horizontal circle element.

Basic Workflow

Horizontal circle measurement can be summarized as:

Probe Measurement → Horizontal Circle Measurement → Move the probe to the circular feature and capture points → Capture at least 4 points → Right-click in the image area or geometry area → A horizontal circle element is automatically generated

Measuring Inner and Outer Circles

Horizontal circle measurement can be used for circular features depending on the actual workpiece structure, for example:

• Holes
• Outer circles
• Circular bosses
• Other horizontal circular contours

Make sure all probe points belong to the same circular feature during measurement.

If the probe accidentally contacts a chamfer, burr, or other adjacent surface, the resulting circle element may be affected.

Measurement Recommendations

For more stable circle measurement results, it is recommended to:

• Capture at least 4 valid measurement points
• Spread the measurement points as evenly as possible around the circumference
• Increase the number of captured points when possible
• Avoid burrs, notches, and obviously abnormal positions
• Make sure all measurement points come from the same circular contour

Compared with concentrating points on a small arc, a larger coverage around the circumference is usually more favorable for stably determining the center and diameter.

After the horizontal circle is generated, you can continue using this element for diameter, center position, and other related geometric measurements.