How Do Wood Routers Work?

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    Jigs and Cutters

    • Recessing the faceplate on a door lock, or the hinge of a door, is made possible using a jig fitted on the router. Jigs cut contours and are used for finishing edges on wood or other hard materials. The fluted cutter is a type of jig attached to the wood router for trimming the edges of wood. Cutaways and cutouts are also accomplished with the jig. Drilling is done with a helical cutter attached to a wood router. Graphite and other tough materials are easily cut using a wood router. A profile cutter is used with the wood router to successfully shape tough wood and materials.

    Cutting Detail Work

    • Grooves are cut into wood using a specialized wood router called a spindle router. Spindle routers are used for finer cuts and detail work. A bit is inserted into the collet. The depth is set by positioning the height of the sole plate. Different handles are used for different cutting operations. A D-handle is used for giving shape to fine edges (such as a countertop).

      Normal cutting is done with a handle on each side of the wood router. The diameter of the cutting edge is changed by adjusting the cutter's edge bearing. Routers are designed with a base chassis containing a vertical motor. The router's shaft terminates at the collet where the jig and bits are attached. By moving the chassis or shaft adjustments, you adjust the height of the bit. A guide bushing is attached to the base surrounding the cutter. (Guide bearings come with some cutters.)

      For straight lines, a straightedge clamp is locked on to the wood. You run the wood router across the straightedge to achieve a perfectly straight cut. Alternatively, the wood router is mounted to the underside of the workbench. A gap in the workbench permits the protrusion of the cutter through the workbench surface. A fence and finger boards are secured to the workbench. The wood is cut by moving it to the wood router's cutter.

    Plung and Fixed Wood Routers

    • Plung wood routers are set up by placing the circular bottom of the router (base plate) on the surface of the wood. A fence is attached to the base plate to support the router against the edge of the wood surface. The cutter bit is set in the raised position. After starting the motor, the cutter bit is lowered to make contact with the surface of the wood. In the use of fixed wood routers, the depth of the cutter bit is adjusted in advance of powering the router. The router's base plate is set slightly to the side of the wood surface, away from where the cutting is going to be done, and then moved into the wood from a side angle after powering the router.

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