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Written by James Mannes
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A request from one of our customers started me on this project. What they wanted to see was a “real time” statistical process control (SPC) program for their critical characteristics. So with that being the underlying emphasis, I consulted with my PC-DMIS colleagues on the best approach to doing this with the tools I have. I was able to utilize DATAPAGE to get the necessary end result. As stated at Wikipedia.com,
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Written by James Mannes
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A Step by Step Tutorial
The most important aspect of measuring features with a CMM is the alignment. The most misunderstood aspect of measuring features with a CMM is the alignment. What usually is the case is that the shop foreman has his Layout Technician quit and needs to fill the spot. So, he takes one of the smarter, “computer savvy” employees and says, “Harry, Joe quit yesterday, you’re now the Layout Technician”. While Harry is a competent machinist and Tool and Die Maker, he hasn’t the foggiest clue as to what the six degrees of freedom are, nor does he know what a primary, secondary, or tertiary datum is. This is wherein the problem lies. The most critical portion of setting up a part for inspection is the least understood. This article is going to explain to the novice, without getting into great detail, how to align a part on the CMM.
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Written by James Mannes
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The clearplane function found within PC-DMIS is a very useful tool for the programmer. It takes only a few practice sessions for the programmer to be able to use this function with confidence. Below is an example of how to use the clearplane function.
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Written by James Mannes
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Probably the most important aspect of measuring parts on a CMM is getting the probe, or probes, to be in relationship to one another. As it happens, this procedure is one of the most frequently asked questions on the internet forums and least understood. Qualification, as this process of relating a probe setup to the CMM is called, is the topic of discussion today.
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Using CAD models in 4.1 and above; importation and transformation |
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Written by James Mannes
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The software developers at Wilcox have been hard at work to improve PC-DMIS for the last few years. With their hard work they have added many new features that may not be known to the average programmer. This flexibility is making the usage of the software easier and easier for the seasoned programmer. At one time the programmer would have to hunt down an engineer that had some knowledge of CAD software if a “tweak” was need to an .iges or .step model. As of the PC-DMIS 4.1+ version(s), the CMM programmer can easily manipulate the models from within the software.
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