How to Set Up a Router for a Bit
A router is one of the most versatile tools in the shop. With it, you can cut dadoes and molding or straighten an edge. The secret to a router's versatility is the availability of a wide selection of specialized bits. With a little ingenuity and the right bit, your joinery will look as good as a professional's. Properly preparing your router to work with your selected bit will make it easy to achieve consistently high-quality results.
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Instructions
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1
Unplug your router and turn it upside down.
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2
Compare the diameter of the bit's cutting surface with the center opening on the router's base plate. Most routers will come with three interchangeable base plates. The holes in the center of these plates vary in size to allow bit clearance while supporting the base of the router. Choose a plate that allows at least an eighth of an inch of clearance between the base and the cutting edge of the bit.
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3
Remove the base plate with a screwdriver. Most manufacturers use three pan-head screws to secure the base plate. Once these are removed, the plate can be lifted off the router.
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4
Fasten the appropriate plate to the router's base. Line up the holes in the plate with the holes on the router's base and replace the screws.
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5
Choose the proper collet size for your bit. The collet secures the bit in the router's spindle. This is the sleeve that ensures that the bit remains in place and in alignment with the router base. The two common sizes for home shop use are quarter-inch and half-inch.
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6
Place the collet and the tightening nut in position on the spindle and insert the bit into the collet. Press the bit until it reaches the bottom of the spindle. Raise the bit an eighth of an inch up from the bottomed-out position and tighten the nut.
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Tips & Warnings
Tightening the bit in position when it is fully inserted into the spindle can jam the shaft of the bit, making it difficult to remove. Failing to insert the bit far enough into the spindle can cause the shaft of the bit to flex. This will hinder your router's ability to make an accurate cut.
Router speed will also affect your bit's performance. Refer to the table listed in resources if you are unsure what speed to use for your bit.
Always unplug the router before replacing the bit or performing any maintenance on the base.
Wear appropriate eye and hearing protection while operating any power tools.
References
Resources
- Photo Credit router bit s image by Michael Cornelius from Fotolia.com
