The "Ultimate Tabletop Machine" for Woodworkers

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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby IslaWW » Tue Feb 06, 2018 11:11 pm

Send me an email... in my signature lower left of any of my posts
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby IslaWW » Mon Feb 12, 2018 1:23 am

Someone must have thought of another option to add by now?????
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby Rcnewcomb » Mon Feb 12, 2018 6:28 am

I can see strengths and limitations of of either an on-the-table or a beside-the-table 4th axis.

On-the-table would require more Z clearance which introduces rigidity problems for the Z axis, but reduces the space needed for the machine in the X or Y dimension.

Beside-the-table requires extra desk or floor space for the machine, but does not require the extra Z height. I guess my preference would be for this arrangement, but I am open to either option.


Are there control systems that can recognize if/when steps are lost and then reorient itself to a known position before it starts cutting again?

An ultimate machine would never need maintenance, or at least be self-lubricating and self-cleaning. It would keep track of hours and play in the system and let me know when and which parts need replacing.

How about an optional air drill or laser that could rotate 90 degrees to drill holes either from the top or on the sides of material...
- Randall Newcomb
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby 4DThinker » Mon Feb 12, 2018 1:36 pm

Another option? How about using the extra heat created during a cut to keep my coffee warm? ;)
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby ger21 » Mon Feb 12, 2018 2:26 pm

Are there control systems that can recognize if/when steps are lost and then reorient itself to a known position before it starts cutting again?


You can add encoders to your steppers, and monitor and compare the encoder position to the commanded position. If they differ, then you stop the machine, and re-home it. You can do this with a few of the hobby controls, with a little programming.
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby Leo » Mon Feb 12, 2018 5:40 pm

Do we need Heidenhein Glass Scales

Just thinking accuracy here. :lol: :lol:

https://www.google.com/search?q=heidenh ... 28&bih=720
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby IslaWW » Mon Feb 12, 2018 9:32 pm

Leo...
Love your sense of humor!!

Of course we do. But the labor to calibrate them on machines with .002" (at best by their own admission) no load positional accuracy to be used by operators with usually .010-.015 accuracy on material that will most likely move .010-.020 after cutting will be expensive!
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby Rcnewcomb » Tue Feb 13, 2018 1:43 am

Is it a sign that I'm a nerd because I was reading up on linear encoders earlier this week?
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Re: The "Ultimate Tabletop Machine" for Woodworkers

Postby IslaWW » Tue Feb 13, 2018 3:00 am

Randall...
A clear and obvious sign! Step away from the internet! :D
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