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[Aiph5u (Aiph5u (not affiliated with Onefinity))]

Hey NewsVan,

it’s always good when one knows how to use the forum’s search function

• tramming

Note that there IS NO means to tram right to left direction on the Onefinity, except loosening the Z assembly screws and repositioning the back plate.

The well-known tramming video of Mitz is here:

@Aiph5u

there is a video for tramming the milling motor by observing the visible patterns a surfacing bit leaves behind:

The Mitz Pellicciotta method, which is a method that works the better the larger the bit diameter is, because it looks at the direction of the patterns such a bit makes when it is not perpendicular to wasteboard surface, works only as third step after you ensured your machine is

1. rectangular (“squared”) (bar gauge) and 2. coplanar (“not twisted”) (fishing line method).

Only then I would proceed with

3. Tramming the router (Checking for perpendicularity between milling motor axis and (different areas of) worksurface)

IMPORTANT NOTE: Surfacing the wasteboard does help nothing if the machine is not accurately rectangular (“squared”) and coplanar (not twisted)! Not at all! All your workpieces including the wasteboard will remain a parallelogram and be twisted if you don’t ensured steps 1 and 2 accurately.

Finally you can check the tramming of the milling motor. One of its adjustments is made with the forward/back tilt of the two steel hollow shafts by adjusting their adjustment bolts in the black anodized axis ends (see Support: Tramming - Front To Back for details). If the tilt differs on one end of the axis from the other end, the milling motor will tilt from one end to the other and make the line it mills with your v-bit slightly deviating from a right angle.