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Safe-t-planer in a milling machine
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Author:  Tai Fu [ Tue Nov 03, 2015 9:53 am ]
Post subject:  Safe-t-planer in a milling machine

I'm getting a Grizzly G0758 mini mill.

I have a Wagner Safe T Planer that I had for several years. I know a lot of people use them in drill presses... how about milling machines in a 1/2" collet?

I remembered that the cut on a drill press was rough and I was always scared that the work would get sucked out of my hands... but if the work was secured to a mill table and I use the handwheel to move the table, it would make things safer. I could also do some milling with it (like surface headstocks) without fear of injury...

Author:  Arnt Rian [ Tue Nov 03, 2015 10:08 am ]
Post subject:  Re: Safe-t-planer in a milling machine

Not sure about the mini mill, but there are some important things to make the Safe-T planer work well:
-Sharp cutters, properly aligned
-True drill press (mill?) table, aligned with the drill press spindle
-Reasonable stock removal
-Mind the feed direction
I don't feel the tool is particularly dangerous, and following these points I can get a pretty smooth surface on most woods with a normal drill press. I'm sure there is always room for improvement, I guess it depends on your expectations

Author:  Burton LeGeyt [ Tue Nov 03, 2015 10:36 am ]
Post subject:  Re: Safe-t-planer in a milling machine

It should work better in every way in a milling machine, especially if you use the table and can clamp the stock down well. Using a collet removes the biggest danger from the safe-t-planer, the taper (or one of the tapers) coming loose during operation on the drill press. The equivalent tool for metal milling is called a facemill and many come with integral arbors to fit the taper of the mill.

Author:  Chris Pile [ Tue Nov 03, 2015 11:07 am ]
Post subject:  Re: Safe-t-planer in a milling machine

Quote:
It should work better in every way in a milling machine, especially if you use the table and can clamp the stock down well. Using a collet removes the biggest danger from the safe-t-planer, the taper (or one of the tapers) coming loose during operation on the drill press. The equivalent tool for metal milling is called a facemill and many come with integral arbors to fit the taper of the mill.


Dead on, Burt.
The reason a milling machine will be safer and work better is because it is more rigid than a drill press.

Author:  Colin North [ Tue Nov 03, 2015 11:30 am ]
Post subject:  Re: Safe-t-planer in a milling machine

I found the even my basic drill press gave a very reasonable finish, better than I expected, actually.
Perhaps because I was feeding the wood though with planer feed push-pads was a help, and was able to hold it down securely.
But I am aware of the potential disadvantages of using a drill press.

Author:  Barry Daniels [ Tue Nov 03, 2015 1:27 pm ]
Post subject:  Re: Safe-t-planer in a milling machine

The company in Tulsa that used to make the original Wagner Safety Planer made two versions. One for the drill press and one for a radial arm saw. I bet the RAS version was more stable and cleaner cutting than the drill press style due to the more rigid connection. Using a milling machine should be a benefit, as others have stated. Just make sure you have a rigid connection. Using a collet would probably be better than a chuck.

Author:  bluescreek [ Wed Nov 04, 2015 12:13 pm ]
Post subject:  Re: Safe-t-planer in a milling machine

I use a milling machine
you will like the end result

Author:  Tai Fu [ Fri Nov 06, 2015 5:35 pm ]
Post subject:  Re: Safe-t-planer in a milling machine

I got the collet (still waiting for the truck driver to deliver the machine).

I realized the shank on the Safe T Planer is about .01 smaller than 1/2". It had a very loose fit in the collet... I can try to install it later and see if it will tighten properly but it appears the device wasn't intended to be installed in a milling machine collet (perhaps they want to discourage people from putting it in a router? it would not be safe).

So it looks like if I use it, I will have to use a drill chuck... which has the same disadvantage of using it in a drill press (the R8 arbor is still pressed into the drill chuck's JT33 taper)

Author:  Chris Pile [ Fri Nov 06, 2015 5:38 pm ]
Post subject:  Re: Safe-t-planer in a milling machine

Quote:
I got the collet (still waiting for the truck driver to deliver the machine).

I realized the shank on the Safe T Planer is about .01 smaller than 1/2". It had a very loose fit in the collet... I can try to install it later and see if it will tighten properly but it appears the device wasn't intended to be installed in a milling machine collet (perhaps they want to discourage people from putting it in a router? it would not be safe).

So it looks like if I use it, I will have to use a drill chuck... which has the same disadvantage of using it in a drill press (the R8 arbor is still pressed into the drill chuck's JT33 taper)


No problem on the collet.

DO NOT use a router - RPM is too high.

Author:  Imbler [ Fri Nov 06, 2015 9:48 pm ]
Post subject:  Re: Safe-t-planer in a milling machine

My super planer shaft measures at 12mm. According to what I read, R25 collets are good for nominal to 1 mm squeeze below nominal, so a 1/2 collet (approx 12.7 mm) should be fine for a 12 mm shaft,
MIke

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