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Converting jointer to stone grinder

post #1 of 12
Thread Starter 
I have a 4inch wide Rockler jointer in my garage that I use for woodworking projects. Anyone ever turn one into a stone grinder for flattening bases?
post #2 of 12
Of course.

Everyone does that.
post #3 of 12
so, I've never heard of anyone doing that. Then again, I've never seen a jointer. How would you attach a stone to it and how would you structure the stone?
post #4 of 12
I predict this is not going to turnout well.
post #5 of 12
post #6 of 12
Quote:
Originally Posted by zohan View Post
I have a 4inch wide Rockler jointer in my garage that I use for woodworking projects. Anyone ever turn one into a stone grinder for flattening bases?
I've seen many of these used for planing boots.

Grinding bases? Novel idea.

Short list of problems you might need to solve off the top of my head, not meant to be exhaustive:
-finding or making a stone. the jointers I'm familiar with are set up for tools much smaller in diameter than all the ski stones I've ever seen
-dressing the stone. You could Just Do It with a dressing bit and a pair of vice grips, but the results would probably leave something to be desired.
-feeding the ski. You could Just Do It as is often done with small children's skis. The results can be passable but that is with tiny skis that don't need much pressure Actual flattening work of adult skis? I think you'd want a real feed system.
-coolant. Do those jointers have washdown motors and electronics? You need to spray a considerable amount of coolant on the stone.

It would probably be much easier to buy a used machine from a shop. Lots of people have gone that route.
post #7 of 12
Disaster in the making!

watch those fingers!

I custom build boot planers and I would not go there!

DC
post #8 of 12
just to add:

-cost. You could have your skis ground twice a year for... well probably for life for less than this will cost to get this working... poorly.
post #9 of 12
Get yourself a 20 inch planer. Nice feed rate and you could feed both skis at once.



Or add a feed head.



In all reality though... even if you could get a stone to fit on it. The high rpm would be way too much for a stone. I don't know if you could ever get one to balance. I know some of those powermatic planers are spinning at 7000 rpm and I can't imagine any of them spinning less than 4000 rpm.
post #10 of 12
Quote:
Originally Posted by dchan View Post
I custom build boot planers and I would not go there!

DC
Is that where you've been. Good to see ya back.
post #11 of 12
Quote:
Originally Posted by ManDown View Post
The high rpm .
my first thought too....
post #12 of 12
Quote:
Originally Posted by comprex View Post
Is that where you've been. Good to see ya back.
Never left. just doing lots of work in the background on the website. I pop in here a lot at strange hours but just not able to find the time to just read, browse and chat anymore.
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