Page 122 Power Equipment Usage Manual (Rev. 5/10)
30.2. Setup & Use – Shaper, General Information
The shaper is pretty much just a large router, with more power, and the ability to handle much larger
cutters, such as those used for raised panels or crown moldings. The variety of cutters is also much
greater that those for routers.
Shapers are able to run in reverse, which is necessary in performing some cuts. It is very important to
always check the position of the directional switch. Feeding a board into a shaper that is turning the
wrong direction could result in the board leaving the machine like a missile. It could be FATAL if the
board were to hit somebody or could result in operator loosing fingers.
The shaper, like some of the other Woodshop equipment, is a dangerous machine, but with proper
precautions and careful set-up it doesn't need to be feared. There are several safety precautions you
can, and should, use.
• Bearings can be used to support and align the workpiece and are installed above or below the
cutter. This alone would stop many of the injuries attributed to the shaper.
• Jigs and fixtures are also a big help in reducing injury, and generally result in better cuts. The
time spent to make them is well worth the effort.
• A very small device, but important one is the starter pin supplied with the machines. This is
simply a metal rod, threaded on one end which screws into a hole located a few inches away
from the cutter. Holding the work piece against the starter pin, and then feeding it into the
cutter is the proper way to start a freehand cut.
• Instead of trying to shape narrow pieces, shape wide pieces and then rip them.
• Use a miter gauge, on end grain with a backer board to prevent tearout as the board leaves the
cutter.
• On panels, such as raised panels for doors, shape the end grain first and then the edges parallel
to the grain. This way any tear out on the end grain will be shaped off when you shape the
edges.
• Make several shallow cuts instead of trying to make large moldings in one pass.
With some caution, careful planning, and common sense, injuries from this machine can be avoided. As
always, if it doesn't seem safe, DON'T DO IT.
30.3. Setup & Use – Shaper, Making Finger Joints
The shaper setup is a precision operation requiring precision squares and various
jigs.
The setup is different for each type of cut you are interested in performing. The variations are too
voluminous to be spelled out here. This section provides a detailed procedure for doing finger joint cuts
on the ends of two short boards. This operation allows using boards over 18” to be joined together to
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