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Dirt spikes can derail an organization’s efforts to ensure that high value parts meet quality standards.

Adcole’s Asperity Removal Software enables organizations to remove dirt from radial and linear data, based on the definitions set up by the operator. The Asperity Removal software solution enables users to specify the maximum number of dirt spikes, minimum amplitude of potential dirt and angular width of potential dirt.

Asperity Removal Screenshot
Adcole’s Asperity Removal software enables organizations to remove dirt from radial and linear data

What is Asperity?

An asperity is an unintentionally included non-component feature such as dirt or debris. As many manufacturing environments suffer from airborne particles it is very easy for dirt, metallic chips, grinding swarf, fibers, or other contaminants to find their way onto a component surface. IF the component is measured, the asperities on the surface will have a significant impact on reported characteristic values.

How it Works

Asperity removal eliminates defined dirt spikes by averaging data points on either side of the dirt spike, and connecting the points. With the dirt removed, the refined error data can focus on the real  variance from nominal values. In addition, the software can:

  • Enable asperity removal for just radial data or for just linear data
  • Specify a unique span or length for the dirt in a linear scan
  • Provide a “dirt check” for the radial data when dirt appears at the same location on multiple cuts
Asperity Removal software screenshot
Asperity removal eliminates dirt spikes by averaging data points on either side of the dirt spike, and connecting the points

Parameters Measured

Asperity removal software enables operators to specify the following parameters:

  • Amplitude of potential dirt
  • Angular range of dirt (degrees)
  • Number of dirt spikes (1-3)
  • Linear range of dirt, linear measurement (inch or mm)
  • Angular tolerance for dirt check
Asperity Removal Gage Support
Asperity removal software is supported by the full range of Adcole Gages

Features and Benefits

 Some of the benefits of the Asperity Removal Software include the ability to obtain a rapid, simple means for getting accurate measurement values in challenging manufacturing environments. The software enables manufacturers to focus on real variances from the nominal value. The tool helps ensure that dirt  removal (from the dirt check routine) is not masking a grinding issue. If dirt appears at a common angular location on all three radial traces within a specified tolerance the software will flag the occurrence as a manufacturing issue and will not remove the dirt from the last cut reduced. Lastly, the software allows for the accurate measurement of parts without the need for additional re-measurement steps, which provides increased throughput to manufactures.

Organizations using Asperity Removal software can leverage powerful features that improve their quality control process. These include a Gaussian filter that classifies dirt spikes found in the roughness data (Adcole 1000 gage only). The optional dirt removal feature allows users to remove suspected dirt particles from roughness data (Adcole 1000 gage only). In addition, the software offers fine tuning features that allows users to classify their dirt definitions, enabling users to filter dirt spikes and provides a good picture of the part.

To learn more about the Asperity Removal software, check the solution out here.

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