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Centering your router on a mounting plate

41964 Views 61 Replies 37 Participants Last post by  niswanger
It is very important that your router be centered on your mounting plate. Many people sweat over this for hours remeasuring before they drill their mounting holes. The quick and easy way to do this is with a centering kit from Rousseau. These kits work with all brands of mounting plates that accept Porter Cable style guide bushings and they cost $5.

Step 1. You chuck up the centering pin in your routers 1/4" collet.
Step 2. Insert the disk into the center hole of your mounting plate.
Step 3. Remove the sub base plate from your router, set it and the screws aside.
Step 4. Install the transfer screws into your routers base with the points facing out.
Step 5. place the centering pin into the disk, position your router to face the direction you want it mounted and lightly tap the edge of your router with a mallet. This marks the locations you need to drill.
Step 6. Drill the holes, flip the plate over and slightly countersink them.
Step 7. Using the new screws that came in the centering kit attach your router and it is perfectly centered.

If you are using a plate that accepts the larger Oak Park style guide bushings you can purchase a centering disk and a guide pin from them. You can purchase transfer screws from most hardware stores or tool suppliers.


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Centering is good for use of guide bushes.
with a very good lift or the fixed base system.

Now try centering a guide bush on a plunge router...

You'll find it is always false a bit later, the plunge collums got so much play
that it' s absolutely useless...

Seen the green Bosh POF 1400 with about +- 2/100 " that's +-o.5mm -hawfull.
My rioby's not better anyway.

The only way for accurate jobs with those plunge routers is the use of cutters with bearings.
That works for dovetailing to.

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