Re: [CAD_CAM_EDM_DRO] X Y table (was Re: how the heck to peck)

The Palmgren looks nice, but are there any out there in the 20-30" by 15-18" of
travel class of table? The only ones I've seen so far are allready hooked up to
a mill.....

Bill

On Thu Dec 6 09:55:50 2001, Dan Mauch, <dmauch@...> wrote:

>Yes indeed, Bob Nansel, who is currently writing the series of robotics
>articles for Nuts and Volts Magazine, did contact me as are both members
>of Seattle Robotic Society and he was familiar with my CNC work when he
>lived here in Seattle. I gave him many options/suggestions to consider
>for his articles. Some of which he choose to use and went off in another
>direction in others. But like I told him there are no wrong answers if
>the results works. He did like the Enco 6X18 table that I have used for
>several applications. The tables do need to be reworked to give them
>good accuracy. I have retrofitted some with ballscrews and others with
>better quality PIC acme leadscrews with new drive nuts and a
>re-machining of the existing thrust block for new needle thrust
>bearings. If you consider that it would cost more for the metal castings
>than what you pay for the Enco 18X6 table, and that the basic casting
>are good enough with some rework then they are a really good deal and
>worthy of retrofitting. I would say if the accuracy needed was +/- .002"
>then a successful retrofit would be possible. When I was modifying mine,
>I placed the XY base on my mill and set up a dial indicator to see how
>square it was. The runout over the full X travel of 11" was within .001
>and the Y axis was also within .001.
>I did some research and the Pallgrem table is the (appears to be the
>same) Chinese made table just with their name but the specs are the
>same.
>Dan
>
>-----Original Message-----
>From: drew@... [mailto:drew@...]
>Sent: Thursday, December 06, 2001 8:56 AM
>To: CAD_CAM_EDM_DRO@yahoogroups.com
>Subject: Re: [CAD_CAM_EDM_DRO] X Y table (was Re: how the heck to peck)
>
>Dave,
>
>>From what I've heard, the table listed for $99.00 isn't very good.
>
>I'm currently working on converting a Chinese knockoff (Phase II)
>of the Palmgren table shown on the page referenced below. Picked
>up the table on sale from somewhere, maybe HF, for less than $100 US.
>I remember that someone else on this list is also doing the same
>thing. He's following a series of articles which were published in
>"Nuts and Volts" magazine. I'm pretty sure that Dan Mauch has
>converted one of these in the past too. In fact if I recall correctly
>his work was the inspiration for the articles in the mag.
>
>Drew

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