Gallery, Projects and General > The Design Shop
Making tools to make tools: Yoke style radius cutter.
NeoTech:
So i need to cut som rollers to be able to bend som tubing to be able to make the frame for my bandsaw project.. Oh well enough. ..
I wanna make a yoke styled radius cutter mainly cause i find them more versatile then the "dreamcutter" and the other weird ball cutter..
But i wonder if the yoke frame would be made out of aluminium.. And if not, could i cast a frame with embedded steelrods for support (i would heat bend som rod and put in the mold).
Or do i have to go the 20mm plate route and grind the shapes. *tedious*
BillTodd:
Aluminium would probably work fine. There is not too much stress on the cutter while taking light cuts (typical of radius cutting)
FWIW I machined rollers for my brothers pipe bender using this fairly simple rig:
NeoTech:
I see.. that looks .. sketchy but if it works it works!. =)
I thought i would make something that hold the cutting road in a bow, and then had a handle to turn the toolbit. But well then i make it out of aluminium and press brass bushings in it.. Sweet. =)
thanks.
m_kilde:
BillTodd
That looks as a simple and fast way to produce internal round shape, thanks for sharing this video, will keep this in mind for future work.
:thumbup:
NeoTech:
Been noodling with making my radius turner.. Im going with the yoke style.. I hade a piece of 20mm S355J2 plate lying around so i thought it was a good start.. and a piece of coldrawn tubing..
So for so good
Note, this is the progress for like 2 months while doing other stuff as well.. Idea is to put somekind of thrust bearing in the bottom and the top and use somekind of thread/bolt to get it to fix in the lower poistion and let it float in the upper... I dont know really i make as i go along..
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