# When to tram the router

**URL:** <https://forum.onefinitycnc.com/t/when-to-tram-the-router/18432>\
**Category:** Uncategorized\
**Created:** [January 28, 2023, 11:50am UTC](https://forum.onefinitycnc.com/t/when-to-tram-the-router/18432 "2023-01-28T11:50:13Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![349iq2345](https://avatars.discourse-cdn.com/v4/letter/3/bb73d2/32.png) [@349iq2345](https://forum.onefinitycnc.com/u/349iq2345)\
**Post date:** [January 28, 2023, 12:33pm UTC](https://forum.onefinitycnc.com/t/when-to-tram-the-router/18432/2 "2023-01-28T12:33:43Z")

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Hey Butch,

I have written a procedure to check for perpendicularity [here](https://forum.onefinitycnc.com/t/tramming-the-router/1132/97#checking-for-perpendicularity-between-milling-motor-axis-and-different-areas-of-worksurface-1), there I suggest to surface process the wasteboard **before** the router is trimmed.

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