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can i use a planner for core profiling
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dbtahoe



Joined: 18 Feb 2007
Posts: 106
Location: Lake Tahoe

PostPosted: Fri Dec 07, 2007 8:22 am    Post subject: Reply with quote

Yep, It's snowing at Tahoe.

Now if you attach all those spacers together from the outside with one long narrow board before you remove them you will have a comb for that ski.

Then, next time you want to profile that design, you insert the comb and plane.

That's the only difference between what you have done and what I was trying to explain.
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alexisg1



Joined: 08 Dec 2006
Posts: 110
Location: Grenoble, FRA

PostPosted: Fri Dec 07, 2007 8:46 am    Post subject: Reply with quote

Right but actually some of the spacer are common to different skis.
Buuk has a lot of spacers of different height and will probably make combination.
It was my first try, so I machined every spacers at the right heigt (1/10 mm), but I will use some for others skis and at different place (for example my ski is 1m80 and the next one for one of my friend is 1m67...spacers are totally different then).
And yeah, machinig wood spacers is time-consuming Neutral
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MontuckyMadman



Joined: 20 Jun 2008
Posts: 2350

PostPosted: Sun Nov 30, 2008 1:37 pm    Post subject: Reply with quote

Bumping because I plane to build a planer profiler.
I want it to be adjustable and these look like the best designs.
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Buuk



Joined: 26 Apr 2006
Posts: 150
Location: The Netherlands

PostPosted: Tue Dec 02, 2008 4:03 am    Post subject: Reply with quote

When my CNC machine is finished, I will re-use my core profiler as part of an adjustable bottom mold.

Some images of my CNC building project below....

Buuk










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ben_mtl



Joined: 31 Mar 2008
Posts: 566
Location: Sherbrooke, Quebec

PostPosted: Tue Dec 02, 2008 8:11 am    Post subject: Reply with quote

Very good job Buuk ! A CNC is a very useful tool for the "advanced handyman" Wink
I just have a couple questions regarding your design:
Where did you find you 8020 ?
Aren't you worry about the stifness of your Z axis ? with such a distance between your rails and your driving screw, the gantry might deflect..
For the X axis I can only see skateboard bearings on top and on the inside of the 8020 frame, does something prevent the gantry to lift up ?

Keep posting on this, it's really interesting ! As soon as I'm back home (after the winter) I start building one :p
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Buuk



Joined: 26 Apr 2006
Posts: 150
Location: The Netherlands

PostPosted: Tue Dec 02, 2008 10:49 am    Post subject: Reply with quote

ben_mtl wrote:
Where did you find you 8020 ?
I got them from a friend of mine. But here in the Netherlands you can order them at Item (www.item.info) or at Bosch-Rexroth (http://www.boschrexroth-us.com/country_units/america/united_states/en/products/brl/product_overview1/mge/index.jsp)

ben_mtl wrote:
Aren't you worry about the stifness of your Z axis ? with such a distance between your rails and your driving screw, the gantry might deflect..
No, these pics are not really up to date, currently an angled connector is in between the two profiles. Furthermore the used profiles are immense stiff.

ben_mtl wrote:
For the X axis I can only see skateboard bearings on top and on the inside of the 8020 frame, does something prevent the gantry to lift up ?
Gravity! If the milling force is as high that the gantry is lifted, something must be wrong...

I'll keep you up-to-date!

Buuk
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bigKam
Site Admin


Joined: 01 Feb 2005
Posts: 540
Location: Reno, kNevada

PostPosted: Wed Dec 03, 2008 9:18 pm    Post subject: Reply with quote

Buuk. Nice work. I'm using 8020 myself on my design. Good and stiff.
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kam k leang (aka Big Kam) www.skilab.com (The Ski Lab is not affiliated with SkiBuilders.com)
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MontuckyMadman



Joined: 20 Jun 2008
Posts: 2350

PostPosted: Sat Jun 13, 2009 10:23 am    Post subject: Reply with quote

any progress buuk?
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Buuk



Joined: 26 Apr 2006
Posts: 150
Location: The Netherlands

PostPosted: Sat Jun 13, 2009 11:48 am    Post subject: Reply with quote

Yes, it's working... but as I am graduating for my masters next month I am too busy at the moment. I will post some pics of the result and first CNC milled cores later.

Buuk
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chrismp



Joined: 13 Feb 2009
Posts: 1257
Location: Vienna, Austria

PostPosted: Wed Jun 24, 2015 12:30 am    Post subject: Reply with quote

This video might help some of you guys using planers for core profiling: https://www.youtube.com/watch?v=y0BW-dxYiBY

Especially the use of sealed boards with super glue is something I haven't seen on this forum. Might be worth a try.
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climberman



Joined: 05 Aug 2013
Posts: 42

PostPosted: Sat Jul 09, 2016 3:27 am    Post subject: Reply with quote

chrismp wrote:
This video might help some of you guys using planers for core profiling: https://www.youtube.com/watch?v=y0BW-dxYiBY

Especially the use of sealed boards with super glue is something I haven't seen on this forum. Might be worth a try.

cheers
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grainhog



Joined: 22 Feb 2016
Posts: 7
Location: Missoula, MT

PostPosted: Fri Jun 09, 2017 7:50 am    Post subject: Pictures Reply with quote

Do the pictures in this thread also fail to load for everyone else?
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burnside



Joined: 05 Aug 2016
Posts: 16
Location: Brooklyn, NY

PostPosted: Fri Jun 09, 2017 2:49 pm    Post subject: Reply with quote

@grainhog -

Yup, they're most likely broken links. Those posts are 10+ years old, the image host could have died or changed URLs since then.
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