Thanks Rick, I was asking as I too wanted to shorten the footprint of my shaper due to lack of space! I rarely push my machines as I find they suffer from the impatience and trying to do the work of a commercial shop seems like work rather than fun.
Cheers Wonk
--- In gingery_machines@yahoogroups.com, "Rick Sparber" <rgsparber@...> wrote:
>
> Wonk,
>
> Having such a long belt around the cone pulleys is a weak point but in
> hindsight I think my main problem was the sharpness of my cutter. I was able
> to cut 0.05" in 6061 a few days ago with no problem at all.
>
> I have considered replacing my aluminum handwheel/flywheel with a steel one.
> It connects to a 5/8" shaft that drives the chain to the bull wheel. The
> heavier flywheel would add a lot of power to that initial contact of the
> cutter to the part. I would probably want to pin the flywheel or add small
> holes for the set screws since the force would be great. Worst case, I could
> twist the 5/8" shaft. Not a big deal since it was just cut to length and has
> only one flat on it.
>
> But I'm not going to solve this "problem" of lack of power until I really
> see it.
>
> Rick
>
> -----Original Message-----
> From: gingery_machines@yahoogroups.com
> [mailto:gingery_machines@yahoogroups.com] On Behalf Of Wonk
> Sent: Sunday, October 03, 2010 10:37 AM
> To: gingery_machines@yahoogroups.com
> Subject: [gingery_machines] Re: Candid shaper questions
>
> Rick,
>
> Do you feel the modified drive train that you built for your machine might
> have anything to do with how it works? I would think trying to solve the
> belt slippage trouble might help, and maybe checking for drag in the
> movement areas, and placement of the cutter?
> I suspect you cannot compare a homebrew machine with a commercial machine,
> due to the aluminum castings! I did not find my machine to be a problem but
> then it was made mostly from ZA-12 alloy which added quite a bit of weight
> and strength. I'm using wheelium to build my second machine so hopefully
> that will work?
>
> Cheers Wonk
>
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