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3D Metrology Services – Tooling – Form Inspection of Cylindrical Surface

At EDM Intelligent Solutions, our high-resolution 3D scans of piece parts allow for form measurement down to the µm scale. Surface roughness measurement quantifies the frequency of peaks and valleys in the base material of a surface. With our 3D Metrology Services, we’re able to offer our customers in-depth, non-contact and non-destructive measurements of almost any shape, size, and form.

Below is an example of a form evaluation and surface roughness measurement using 3D profiles to extract roughness data from a injection mold insert. This is a four step process. The form inspection, surface roughness inspection, and 3D measurements of this component were completed using our MVi5 3D Metrology Center.

 

APPLICATION DETAILS

  • Component – Injection Mold Insert
  • Material – Hardened Tool Steel
  • Metrology Services:
    • Form Measurement
    • Surface Roughness Measurement

Step 1: Capture Data

Form Capture

A simple, minimalist graphic features a single, curved gray line against a plain white background. The line is thickest in the center and tapers slightly towards its ends, creating a subtle arc that suggests a smile or a gentle curve.

Roughness Capture

A close-up, slightly angled view of a dark gray textured surface, possibly asphalt or a rough fabric, against a plain white background. The texture appears granular with small, varied speckles.

Step 2: Extract critical data

Best Fit Cylinder

A green oval shape with a small green dot in the center labeled "cylinder 1".

Step 3: Roughness Measurement

The image displays a two-part graphical representation. The top panel shows a textured, dark gray surface with a horizontal red line running through its center, suggesting a measurement or reference line. This surface appears granular, possibly representing a material sample or a scanned area. The bottom panel presents a blue line graph against a white grid background, with the x-axis labeled with numerical values and the y-axis showing fluctuating data points. This graph likely illustrates a profile or data derived from the surface shown in the top panel, possibly indicating surface roughness or some form of signal intensity over distance.

Step 4: Report Results

This table displays the results of a quality control check for a cylinder. The parameters measured are the radius of Cylinder 1, and the surface roughness (Ra) at two locations. The target values are compared against the actual measured values. Cylinder 1 Radius has a target of 3.65 inches and an actual measurement of 3.635 inches, resulting in a 'PASS'. Ra Location 1 has a target of 16 microinches and an actual measurement of 15.43 microinches, also resulting in a 'PASS'. However, Ra Location 2 has a target of 16 microinches but an actual measurement of 17.21 microinches, leading to a 'FAIL'.

 

COMPETITIVE 3D METROLOGY, MEASUREMENT, AND INSPECTION SERVICES

Intelligent solutions to manufacturing and measurement challenges are what we do. Over the past 25 years, we’ve completed thousands of measurement and metrology projects. What differentiates EDM Intelligent Solutions 3D Metrology services from the competition is our unique understanding of each manufacturing process. The EDMIS metrology technicians and applications engineers support their colleagues in our tight tolerance CNC machine shop that produces ultra-precision components for customers every day. Harnessing this unique relationship with manufacturing, our metrology team has the experience needed to fully assist our customers leverage the measurements taken of their components to improve their manufacturing processes. We are confident that we can measure your most challenging components and work with you to fully understand what those measurements tell you about them. To learn more about how EDMIS can help you, contact our metrology team with your request for quote.

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