Rings

J

jmbfestool

Member
Joined
Jan 9, 2009
Messages
6,646
Hi,    

Not been much fun making these Rings!  
Ill tell u about my little accident later on.

But first!!

Sanding these rings has been a pain!  I have done them by hand and they took a while but not only that I ended up gettin blisters on my hands from all the hard sanding!

Question any one know the best way to sand these not just to get them smooth but also because they have to go through of2200 on cms table twice So i have to sand the section where the cutter overlaps from the previous pass to blend the round in.

Here is a picture of one of the rings
e5yhyjab.jpg
 
how about a sanding wheel in the drill press. you can get inflatable ones , if you dont pump it up it will conform to the shape.
how about a fladder sanding drum in the drill press

very integued by what they are for
 
I'd probably sick this on it. The RO90 with an interface stack is good at conforming to odd contour work.

[attachimg=#]

 
Scott B. said:
I'd probably sick this on it. The RO90 with an interface stack is good at conforming to odd contour work.

[attachimg=#]
Click to expand...

Umm yeah ill give that a try actually

Cheers!
 
Scrapers work well on difficult to plane woods
Might be worth making a custom card scraper ?
 
Still got all your fingers mate ??

I got a scare the other day when I was making some little jigs for routing out locks , hinges etc with my little trimmer. I wanted to trim out an opening in some 6mm mdf and was in a rush and decided not to bother drilling a starter hole for my bearing trim cutter. The cutter isn't supposed to plunge but I thought oh it will be well that was a mistake whoops. Bang and one smashed up jig, won't try that again :D
 
Yeah my fingers are all on still m.  My left hand thumb took a hard hit still can't bend it very well at moment.

I made a 400x400 square jig out of plywood.   It had a 200mm ish hole in the middle.   I had timber around the edge and two bessy self adjusting toggle clamps attached this was to locate the ring in the middle and hold it in place while I router out the centre and then stick a half round on the ring.  I already jigsawed most the material out of the centre just left 5 mm or so away from the line.  

I had already done 33 rings perfectly fine.  On the 34th I had left a little more material on part of the ring so when routering took  second pass so rotated the jig back with the direction of the cutter but I did pull away first but as I pushed back in still rotating slightly it just grabbed and started hola hooping extremely fast it smashed into my thumb and threw the jig across the room!  

Not only that cus of the force and weight of the jig it rocked the cms basic module plate ( which I forgot to fix down)  and it tilted back up into the air with OF2200 attached to the module plate came back down it fell through the cms basic landed on the floor and started routering the concrete floor.  So it also completely ruined my cutter.

This all happend in seconds!! I was like umm I'm going to try a different way of making these.

So warning dont forget to fix the module plate down to the basic cms weight alone does not keep it safe!!

Only good thing what came out of this accident is that my QUICK release method of attaching the OF2200 to the module held up and showed not sign of loosening so no worries about that letting go.
 
Id hand sand them use a foam pad, you could eve use a fine scotchbrite pad.
 
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