this looks like a nice little gem for my rotary table ...

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wquiles

wquiles

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The way I was taught was look for the weakest link.
Now as milling is a combination of interrupted cuts, the workpiece is trying to continuously break loose from whatever holds it. The chuck shown will not hold as firmly as a 4" Kurt vice.

6.jpg



IMG%5D

So I suppose it all gets down to how much metal you want to remove in each pass.

I do all my milling on my lathe so am used to small cuts and the chuck shown would be a perfect choice to use with a rotary table....for me.
 
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The seller on the first one, 800watt, is a real piece of work ... and that's the best that can be said (on a public forum) about him:scowl: He's been running over 2% neutral, and over 2% negative, for the last few months. As long as you aren't in that 4%, you'll love dealing with him:sigh:

The second seller, hhip, has over 7000 positive feedbacks, 0% neutral, 0% negative. I purchased some oddball end mill holders from him (Brown & Sharpe #9) - made in China, but not bad for not much money. Shipping was fast.

I need something convenient to hold round pieces in the 1/2" to 1 3/4"
Click to expand...
The chuck from hhip has a through hole diameter of 1.020" ... will that be adequate for what you want to do? If so, it may work well.

Instead of a 6 jaw, you might also want to consider a high quality 3 jaw with two piece, removeable top jaws. Pull off the hardened steel top jaws & replace with aluminum soft jaws that you bore to size. After a while, you'll end up with a set of soft jaws for Mag C, Mag D, Surefire, etc. Here's an awesome chuck, made by one of the most respected manufacturers in the world:

http://cgi.ebay.com/Heavy-Duty-10-C...286.c0.m14&_trkparms=66:4|65:16|39:1|240:1318

Here's one source for soft jaws:

http://www.workholding.com/CUSHMAN-SOFT-JAWS-AND-EXTRA-HAIGH-SOFT-JAWS.HTM

You'll need a good sized RT if you get that chuck, something around 9" or 10", but the chuck will never let you down.
 
I've also read unfavorable things about 800Watt


R
 
I just got 3 things from 2 different auctions from 800watt.

One auction was for an er32 collet chuck with R8 arbor for my mill. The other was a 4 inch travel DRO for the quill of the mill.

There was no communication of any kind once I paid, but that's not a big thing IF you are expecting poor communication. The parts from both auctions were packaged together and priority mailed 12 days after the last auction.

The parts were just what they were represented to be, and the price was good, even considering the shipping.

Just for grins (and because I will do business with him again) I checked the negatives for the last month. Almost all were because of slow deliveries. Of those, it appears that combining multiple auctions may cause a slowdown, possibly because the order then has to wait till the second auction clears his internal processes.

His customer service could improve. I emailed him about a 2 Axis DRO in December, and got a reply in January. I'd already gone elsewhere.

Daniel

Disclaimer: Ebay requires that I point out that I'm NOT speaking for them and that I am NOT using any information or tools that are not available to the general public. eBay pays for my toys.
 
Will,

You do recognize quality when you see it ... that's a Yuasa 550-008, retail price is $3829.50 :thumbsup: Notice the lifting eye in the eBay photo ... that pup weighs (with chuck) 168#, so you'll want to set up some type of lifting device to get it on and off the table ... but it's well worth the trouble. You often see the Yuasa, or the Hermann Schmidt equal, in really nice mold shops & grinder shops.

Here's some info on it:

http://www.yuasa-intl.com/images/products/pdfs/pg104.pdf

Of course, for four grand, it comes with a decent chuck, their 585-108, which sells for over a grand by itself. Same two piece jaws as the lathes chucks mentioned before, so soft jaws are available. Here's a listing of the chuck's parts, including the top jaws (part #13):

http://www.yuasa-intl.com/images/products/pdfs/580585parts.pdf

You'll still want to get a tailstock, and the Yuasa version is $500 ... but that part is easy to build in the shop. The centerline height of the tailstock has to be 5.910", so it's just a matter of finding a fugly one on eBay & adding a base to bring the center to the correct height ... this one is for a 10" swing machine, so it should already be about 5" high.

As pretty as you'll ever see :D Item number: 270347335837
rtCurve.gif
7f69_1.JPG



Good luck on the auction.
 
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precisionworks said:
Will,

You do recognize quality when you see it ... that's a Yuasa 550-008, retail price is $3829.50 :thumbsup: Notice the lifting eye in the eBay photo ... that pup weighs (with chuck) 168#, so you'll want to set up some type of lifting device to get it on and off the table ... but it's well worth the trouble. You often see the Yuasa, or the Hermann Schmidt equal, in really nice mold shops & grinder shops.

(snip)

Good luck on the auction.
Click to expand...

Almost $4K :eek: -- I wonder what will the auction end up at ... probably way out of my price range ;)

This one in my local Craig's list is more in my budget:
http://dallas.craigslist.org/ftw/tls/1023386864.html

Will
 
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