hikerbill

I have a 4 year old 2.25 hp Milwaukee variable speed router mounted in a router table. Up until this year I have had no problems.

The problems started with a carbide flush trimming bit, a pattern, and ½” thick oak. The bit would kick back as I moved the oak piece into the bit. Using a starter pin did not help. I solved this problem by inserting the bit deeper into the collet. Even so, the trimmed edges of the oak were uncharacteristically rough.

Following that, I tried to route a ½” wide by ½” deep dado into ¾” oak. I used a brand new ½” carbide spiral upcut bit. I had to use excessive force to move the oak into the bit. The bit either did not cut and as a result burned the wood, or it cut by grabbing the wood and tearing out large chunks and throwing them across the room. This was the case while routing both with, and against the grain. I first tried slowing down, then speeding up the router with no luck. I tried both poplar and pine with the same results. I tried a second ½” carbide spiral bit and then a ½” carbide dado bit with the same results. I then tried the first spiral bit in handheld router and it cut fine. I checked the mounting of the router to the table and it is rigid. The checked the router shaft and collet and they seem firm with no noticeable radial play.

Any thoughts on what could be the cause.

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bobj3

HI Bill

This is a long shot but you may want to make sure the mounting screws are tight,,,

Then take the collet nut all the way off and blow out any saw dust in the hole and clean the collet nut out as well.

If the bit is not running true it will grab and you will not get a clean pass or it will grab the stock and pull it out of your hand I'm sure you are running the stock into the bit right way because you said you are using a starter pin...

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