material support

Topics related to wrapped rotary machining in Aspire or VCarve Pro
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vtx1029
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material support

Post by vtx1029 »

I'm needing to do some several production runs of a rotary piece that's 5/8 diameter and 40" long. I tried a piece 20" long and it didn't turn out due to deflection during v-carving due to lack of material strength. I'm thinking of simply making a channel in some MDF that the cylinder can rotate in to help support the piece. Anyone done this before and have any input or tips?

Thanks

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IslaWW
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Re: material support

Post by IslaWW »

Ive seen versions of roller steady rests using both bearings and inline skate wheels on adjustable supports
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Rcnewcomb
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Re: material support

Post by Rcnewcomb »

Jack Jarvis uses kids roller skates. It is talked about 3/4th of the way down this page: ->CNC Rotary Tutorial

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dealguy11
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Re: material support

Post by dealguy11 »

I have a steady rest that is 2 pieces of notched hdpe plastic that come in from the sides. Don't have a picture handy. Your idea of notched mdf should work.
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vtx1029
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Re: material support

Post by vtx1029 »

I didn't have any mdf on hand so I used some baltic birch I had laying around. It worked pretty good except the stock lifted while v-carving so I may need to fully contain it when v-carving but this is a great improvement over what I had.

vtx1029
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Re: material support

Post by vtx1029 »

here's a video of it running

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