[Cls89]

I purchased a cheap laminate counter top that I will be using as the top for my miter saw workstation. I want to rout a dado on the top to receive a T-track which will allow me to add a stop block. I want to minimize tear out when routing. Any advice on how I can rout the dado without chipping the laminate? Router speed, bit type, etc


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[mgmine]

If you have a table saw that would be the best way to go. Otherwise, tape the edges to help protect them from chipping.

 

[Cls89]

I have a table saw, unfortunately the countertop has a backsplash attached to it so I can’t run it flat across my table saw which is partly why I have to use the router


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[Bob Adams]

A down cut spiral bit would give you the least tear out. Putting painters tape on the laminate will also help. Here is a video that does a great job in explaining the differences in bits.

 

[ger21]

Any SHARP bit should route laminate cleanly, EXCEPT upcut spirals. Just use a sharp carbide tipped straight bit.

 

[roxanne562001]

Myself I always like to use masking tape to cut on laminates. Then a straight carbide bit.

 

[Cls89]

Thanks for all the replies. Does RPM matter? High or low? What speed would help reduce chipping?


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[kp91]

I don't think RPM is a huge concern for this job. I used a single speed laminate trimmer for a few years, no problems.

 

[ger21]

The lower the RPM, the longer the bit will stay sharp.
Laminate is very abrasive, but it cut's very well with a sharp bit. As long as the bit is sharp, it really won't chip at all.