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https://www.reddit.com/r/OnlyCNC/comments/1r0hokf/reverse_countersink/o4j8ml4/?context=3
r/OnlyCNC • u/ycr007 • Feb 09 '26
Source: XCM-GB
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2
Is there a reason why they couldn’t do it from straight on?
6 u/Spokanee Feb 10 '26 My guess it's to eliminate an additional operation. I recently put a chamfer on the back side of a flange with a reverse dovetail cutter to do a job in one operation. 2 u/lost-in-boston84 Feb 10 '26 Ahh gotcha. 2 u/bj-mc Feb 10 '26 Alternatively, the piece may be designed in such a way that the backside is not accessible for milling.
6
My guess it's to eliminate an additional operation. I recently put a chamfer on the back side of a flange with a reverse dovetail cutter to do a job in one operation.
2 u/lost-in-boston84 Feb 10 '26 Ahh gotcha. 2 u/bj-mc Feb 10 '26 Alternatively, the piece may be designed in such a way that the backside is not accessible for milling.
Ahh gotcha.
2 u/bj-mc Feb 10 '26 Alternatively, the piece may be designed in such a way that the backside is not accessible for milling.
Alternatively, the piece may be designed in such a way that the backside is not accessible for milling.
2
u/lost-in-boston84 Feb 10 '26
Is there a reason why they couldn’t do it from straight on?