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Shaper accuracy

10/8/16       
Scott

I have a shaper that I bought at an auction, it was a company that went into receivership, the shaper was brand new. It was manufactured off shore. I want to check the accuracy of it, can some one tell me what method is the most accurate and easiest for doing this?
Thanks so much.

10/8/16       #2: Shaper accuracy ...
rich c.

Lots of things to check. Table flatness, fence flatness, fence twist, fence perpendicularity to table, and shaft runout. Do you know how to check any of these?

10/9/16       #3: Shaper accuracy ...
D Brown

When you say accuracy I'm not sure what besides the shaft run out would come into play . A dial indicator is one way to check run out . It's the only moving part that comes into play for the finished results perhaps you should set up a cutter for a given operation and run it to see for your self.

10/9/16       #4: Shaper accuracy ...
Leo G

On top of the stuff said above, look at what kind of movement of the spindle you get when you lock the height. What kind of slop you have when raising and lowering the spindle. Look at the pulleys while the machine is slowing down to a stop, notice any up/down motions.

10/9/16       #5: Shaper accuracy ...
Scott

Thanks for the replies, I never use a shaper it seems, I buy mouldings and I buy doors. I kind of remember checking runout on one 20years ago with a dial gauge of some kind.
I figured I would maybe make some doors so fired up the shaper and got some new cutters, ran some stock and low and behold I had some expensive firewood!
I came to the conclusion that either the cutter heads I had made are crapola or the shaper I have is crapola? Thus my question.

10/9/16       #6: Shaper accuracy ...
D Brown

A picture of the cutters you made and the material that ran would be quite helpful .

10/10/16       #8: Shaper accuracy ...
JeffD

Several basic things to check. Using a dial indicator will tell you if the spindle runs true. Securing a good quality straight edge between a couple spacers on the spindle and snugging the nut, then lower to the table, will reveal how true the spindle is in relation to the top.

There are several other places to check, but these are probably the two most important, and definitely a good start.

good luck,
JeffD

10/11/16       #9: Shaper accuracy ...
Jim Clark  Member

Website: http://s51.photobucket.com/albums/f386/jcquack/Fur...

When using cabinet door bits, it's critical that the shaper shaft is perpendicular to the table. Otherwise the slots will cut wider.
You can check it by attaching a wire to the spindle and bending it to touch the table about a foot away. You should be able to rotate the spindle by hand and the wire just touch the table while turning
the spindle 360 deg.
This works well with a drill press too.
barely touches the table

10/14/16       #10: Shaper accuracy ...
Scott

Thanks for all the help, I checked the spindle with a dial indicator and I was only getting about. .001 movement. I never checked the spindle perpendicular to the table as I ran out of time.
I also am including a picture of the cutters that the tooling guy made for me.
I was wondering what tooling is everyone having good success with?
Thanks again.


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