Tips For Optimal Machine Vision Lighting
Posted on: 22 June 2022
Lighting is essential for the production of high-quality pictures by a Cognex machine vision. Proper lighting results in enhanced contrast, helping the machine vision system focus on a specific figure or shape. Here are major tips for optimal machine vision lighting.
Embrace Bright Lighting
When sealing surfaces, you must recognize missing parts in plastic molding. Such a case is referred to as shots falling short and cannot only be detected using bright lights. To easily detect short shots, it's best to use enhanced light illuminators.
Use Appropriate Wavelength
Optimal wavelength for a Cognex machine vision is a favorable option if you need to print components on a circuit board during manufacture. Once printed, it is easy to integrate chips on the circuit board. Errors may arise, but with the appropriate wavelength, it should be easy to recognize mistakes and rectify them immediately. Usually, when subjected to a high wavelength, copper appears dark while silver reflects lights. The difference in appearance makes it easy to identify errors, allowing for timely rectification.
Using Diffused Light
If you run a drug manufacturing company, imbalance or missing components in medicines greatly affect the quality of drugs you manufacture. However, it is easy to detect these discrepancies using Cognex machine vision. Drug manufacturers are advised to use diffused light to avoid interference from reflections to get precise results. Diffused light illuminates drugs in question from all angles enabling a clear view of all elements. Similarly, the lighting eliminates glares by concentrating on surface texture and allowing for elevation.
Timing Is Everything
Cognex machine vision captures images of elements in question in sequences of varying lighting. For guaranteed results, make use of the visibility timing feature on the machine to capture clear images. The visibility timing feature is easy to use. If you are not certain about how to use this feature, take time to read through your Cognex machine vision user manual.
Color Contrast
Irrespective of where you are using the Cognex machine vision, high-contrast images help offer clear projections. The best way to attain such images is by using colored lights. Where you desire an image to appear dark, it's best to opt for contrasting colors. For instance, green light can be used to help make blue elements appear darker. If you are not certain which color to use to create contrast, familiarize yourself with the color wheel.
Cognex machine vision is popular as it helps automate production and eliminate defects. For the best outcome, ensure you use bright lights, appropriate wavelengths, and diffused lights. Also, remember timing is everything, and colored lights help create high-contrast images.
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