%20Transparent%20Cropped.png?width=218&height=84&name=EMI%20Logo%20PNG%20(360%20x%20144%2072%20DPI)%20Transparent%20Cropped.png "EMI Evans Machine Co Inc.")
This "beauty" is our Part of the Week. Let's take a look!
WHAT'S THIS?
Here's an aluminum part that required the production crew to carefully think through how best to manufacture it.
THAT'S COOL!
Our customer specified MIC 6 aluminum, 7000-series cast alloy that delivers excellent flatness & dimensional stability.
HOWEVER, we had to take that into account that MIC 6 is more brittle than its more famous cousin, 6061.
PLUS, because the part is quite thin, normal work holding techniques could cause the part to warp.
AND, we couldn't use a vacuum to hold the part steady because the end result doesn't have enough surface area to create a sufficiently strong seal.
Three stages of the process in one shot : Post turning blanks; in process milling in the DMG Mori DMU75 (background); and an example that's just come out of the DMG.
The solution was a custom fixture and a special clamping sequence to keep the part steady during cutting operations.
This allowed us both to maintain the specified flatness and to allow for clearance for the small vertical tabs on the inner and outer rings.
Put it on my tab. No, not that one, the other one.
Another challenge accepted and another creative solution from EMI's production crew. Nice job, fellas!
Now the parts are off to deburring, cleaning, laser marking and hard coat anodizing.
ABOUT POW!
Each week we will feature something we've been working on. We hope you'll find these posts informative.
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No. 56 of N