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Vane pocket diameters


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We have a .5012/.5020 diameter but are only able to scan 40% of a diameter. We are getting 600 points and it gives us a reading that is smaller than the actual pin that will go in the pocket. We are getting a measurement of .5011 and a .5015 pin will go in the pocket. If we take 7 equally spaced points we get a larger diameter but still smaller than the pin that will go in the pocket. Anyone have any suggestions. I have it on LSQ in the evaluation.

Jimmy Garst | 03-22-2018 04:17 PM |
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Found it! The pockets are out of round. The supplier is taking 7 points and getting close to the size of the pin that will go in the pocket. When we scan it, it is taking the out of round condition into account when calculating the diameter. This will be up to the Engineers to decide what they want to buy.

Jimmy Garst | 03-24-2018 04:26 PM |
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