![]() There are four types of assembly applications where machine vision is used. When a company does install a vision system, it gains many benefits: consistent error proofing improved product quality increased productivity, production flexibility and floor space tighter process control reduced operating costs, downtime and scrap rates more accurate inventory control and improved worker safety.ĭespite these benefits, however, engineers must still consider factors such as cost and simplicity when deciding whether a vision system is really necessary for the application at hand. Heberlein and the supplier’s representative discussed camera mounting options at length. Last fall, for example, he met with a Tier 1 automotive supplier that needed to have a robot accurately position different sizes of metal blanks into a press. Heberlein admits that, sometimes, it’s hard for a manufacturer to commit to a vision system, even when an application clearly needs one. After all, how much will a product recall cost you, financially and otherwise?” But, if there is one or more additional process control steps, then you need to seriously consider installing a vision system. “If the application is a process control one that only involves determining the presence or absence, or correct position or orientation of a part in an assembly, then you can probably get away with a simple vision sensor. ![]() “The more things you need to inspect on a part, the more sense it makes to install a smart-camera- or camera-with-controller-based vision system,” says Chris Heberlein, sales director for machine and plant engineering at Balluff Inc. ![]()
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