he never says what the problem was that caused the entire steel frame
not having done much welding i would have to guess that he should have
clamped things to a rigid frame while it cooled so it did not warp
that is a guess but i cannot think what else would cause it to
bow or warp like it did
Absolutely he saved money but his machine won't be as
accurate as one purchased. Buying something comparable to
what he built would start at over $13k.
That's fine if you can find one the size you need. I searched
for used for almost 2 years before I gave in and built one.
More vertical (Z) travel introduces Y & Z axis flex into the
equation. Get only the height you need and nothing more. If
needed figure out a way to remove the table and clamp the
project below the normal table surface.
it is a big machine he built
but if it is not accurate than how much do you save
maybe he can adjust things over time but not sure about that
maybe i missed it but i did not see any mention of leveling the table
or any leveling features for that matter
i was surprised when he shimmed the table top because i thought he
should have leveled the base to the floor
at least he did not let perfect get in the way of good enough though
can always tweak things as you go
i see a few here and there
i noticed that lagunatools has some from time to time
i think that doing that makes it much more versatile and useful
On Wednesday, June 8, 2016 at 11:03:20 AM UTC-7, Electric Comet wrote:
Rather, less sense. He had any size of his choice, capabilities (including vertial mount)
that are unlikely to be available off-the-shelf, and all tolerances were his to specify
and build to.
It's likely he is much happier with a custom tool, rather than whatever-is-available
either COTS or used. He spent money, he got value for it. "Save" wasn't the goal; that
oughtn't ever detract from the primary concerns.
I once chatted with a carpet-cleaner as he unrolled, washed, dried, and re-rolled a massive
rug using a big motorized drum with excellent controls; he built it himself, and it was
just about perfect for the job.
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