[Jo...] Posted April 4, 2024 Share Posted April 4, 2024 Hello, does anyone know what C T0,3 and similar means? It is always attached to the edge (chamfer or radius) of the workpiece. IS it some ISO standard? Thank you..20240404_131734.jpg20240404_131818.jpg Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/ Share on other sites More sharing options...
[Cl...] Posted April 4, 2024 Share Posted April 4, 2024 There is such a thing as a Controlled Radius. Not sure if that's what the C means here? Usually its "CR". Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21680 Share on other sites More sharing options...
[Ma...] Posted April 4, 2024 Share Posted April 4, 2024 Best guesses: R=radius C=chamfer T=tolerance Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21682 Share on other sites More sharing options...
[Ke...] Posted April 4, 2024 Share Posted April 4, 2024 Please sign in to view this quote. 1 - This seems to make the most sense.. 2 - Thats weird 🤣 Why not just use +/- 3 - I would presume that it's a bilateral zone... but I hate to make assumptions. Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21684 Share on other sites More sharing options...
[Ow...] Posted April 4, 2024 Share Posted April 4, 2024 Yeah as formerly mentioned, my guess is Tolerance. Maybe tangent to outer edges on the radius? Do you have contact to the original designer/manufacture? Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21686 Share on other sites More sharing options...
[Da...] Posted April 4, 2024 Share Posted April 4, 2024 Please sign in to view this quote. Josef, it could be from ISO standard related to part material. Is it plastic? Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21688 Share on other sites More sharing options...
[Cl...] Posted April 4, 2024 Share Posted April 4, 2024 Please sign in to view this quote. Occam's Razor. Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21690 Share on other sites More sharing options...
[An...] Posted April 5, 2024 Share Posted April 5, 2024 Please sign in to view this quote. Hello Mark, Your specifications would make sense, but I'm still unsure. Why a "C" for a chamfer when it is already indicated as a chamfer by the 1 x 45° dimension? I have never seen this designation in the ISO standard myself. Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21692 Share on other sites More sharing options...
[Jo...] Posted April 5, 2024 Author Share Posted April 5, 2024 Thank you all for the tips, no it is not plastic (stainless steel), yes we have contact on manufacturer, but asking for explanation is little bit complicated here... It looks like it is not any kind of standard and if it is kind of bilateral tolerance zone, then all should be ok, because we mill/turn it nicely and precisely 😉 Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21694 Share on other sites More sharing options...
[Ke...] Posted April 5, 2024 Share Posted April 5, 2024 Please sign in to view this quote. Gerrys Potato 🤣 Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21696 Share on other sites More sharing options...
[Ke...] Posted April 5, 2024 Share Posted April 5, 2024 Please sign in to view this quote. Gerry's Potato 🤣 Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21698 Share on other sites More sharing options...
[Jo...] Posted April 16, 2024 Author Share Posted April 16, 2024 If anyone interested it is part of ISO 21204:2020 Link to comment https://qualityforum.zeiss.com/topic/5842-radiuses-and-chamfers-with-c-t-symbol/#findComment-21700 Share on other sites More sharing options...
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