That's something I have never quite understood. I can understand a pro
buying them...if they help you make money, it is worth the money but so
many people doing woodworking as a hobby buy a multitude of jigs,
whatchamacallits and thingys when they could very easily make the same
The same thing was true in photography...many of the pros had every
Hasselblad lens and accessory ever made, rarely - if ever - used them. In
their case, I understand the impetus...the thinking was, "With this I can
make great photos". It was rarely true, great pix come from the mind, not
gear. Same thing with woodworking.
On that note, they stress the ease of use, stating that you need no
clamps, no double-stick tape etc. But what if your work piece is wider
than the span of your fingers? How do you hold the (very small) jig
Poloroid instant camera circa 1960? :)
I had one in 1970 ~ about five minutes for it to develop and then a
few minutes for the sealer to work. About ten minutes time for each
black and white picture. Not exactly mobile phone speed, but all in
all not too bad for that era.
A displacement transducer connected to an amplifier which in turn
serves as an input to a scope equipped with a Polaroid used to
capture pictures of scope traces of drop tests.
Next sit down at your desk and using an engineer's scale, measure
the traces and integrate the area under the curves to determine the
amount of energy absorbed by the test piece (Rubber draft gears
used on railroad cars).
I was doing this as a co-op student while the Ruskis were developing
Sputnik along about then.
I have a very small CNC wood router, and a couple CNC Mills, but I often
find some jobs (especially one off jobs) are faster to do with manual tools.
Sometimes I make tools or jigs to make manual machining and cutting easier.
Sometimes I make jigs to make CNC machining easier too. LOL. (Usually for
setting up the work piece repeatably, or aligning multiple parts cut
As to Wood Peckers since they make the tools they sell (or a lot of them
anyway) I suspect that anything they have a large demand for they will run a
batch of, but setting up to make one or two just isn't cost effective for
I've been thinking about picking up a CNC Mill. Have you tried doing
square inside corners like window cut outs? One of my primary uses would
be cutting out styrene for model kits, but I say that knowing I bought a
lathe for model railroad work and only used it for that twice. :-)
This is a simple building, but I'm hoping a CNC mill would let me do more
"Puckdropper" <puckdropper(at)yahoo(dot)com> wrote in message
If you mean to profile cut the inside of a square or rectangle then the
sharpness of the inside corner of your final cut is limited by the radius of
your cutter. Depending on the exact application this is often dealt with by
doing a corner over cut operation. I imagine for something like glass hung
with glazing compound it would be no big deal, but for other operations not
so much. Note, thoyugh that there are other reasons windows and window
frames are cut out of multiple pieces and assembled. Even mass produced
machine built windows like Pella or Milguard.
It actually doesn't look that dangerous. The whole jig would need to
slide off the work almost completely in order for it to get into the
router bit's cutting edges. But it's certainly possible, and if it ever
did happen, the results could definitely be disastrous... and we all
know how quickly those kinds of disasters happen with power tools.
The bigger question for me is why would I ever need this? I never had
one. Any shop with a real need for it would build a more safe and secure
version from scrap parts at no cost except the fabrication time.
Honestly, I believe it's another unnecessary item marketed to newbies
with more money than sense or ingenuity, and who still have not yet
soiled their shorts doing something really stupid.
John '10 Fingers' Paquay
This is my signature. Really. I'm not kidding. Stop reading now.
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