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Bridge Port Milling machine collet holder


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  #1  
Old 01-04-2019, 08:54:43 PM
Don Oberholtzer's Avatar
Don Oberholtzer Don Oberholtzer is offline
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Default Bridge Port Milling machine collet holder

I have a very old mill and would like to find a collet holder for a #9 spindle. By chance would there would be any still around. 330-482-4097
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Old 01-05-2019, 01:23:37 PM
Pete Spaco Pete Spaco is offline
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Default Re: Bridge Port Milling machine collet holder

I too, have an old vertical mill. Mine is a US Machine Tool mill. It is a round column machine and also has a B&S #9 spindle taper.

Here are several sources for collets (not necessarily collet holders) that came up on a Google search just now:

https://www.ebay.com/bhp/brown-sharpe-9

http://www.penntoolco.com/brown-shar...hoCbksQAvD_BwE

Surprise!
https://www.walmart.com/ip/9-Brown-S...hoCr0AQAvD_BwE

Over many years I have gotten my mill pretty well tooled up by visiting used machinery dealers, as well as using the internet.
I even found 2 double angle collet holders with collets (ZZ type 1/16- 1/2 by 64ths, I think) and a larger set of the same style. Note that "double angle" collet designs seem to have changed a lot over the years, so don't expect to have a wide choice to fit the B&S #9 spindle.

You will need a boring head, too.
I suggest you go here for starters:
https://www.practicalmachinist.com/v...shanks-315540/

I pointed a guy there a few months ago and he complained that someone on that site gave him some grief, so go there with a thick skin.

Pete Stanaitis
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Old 01-05-2019, 08:16:19 PM
Richard W. Richard W. is offline
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Default Re: Bridge Port Milling machine collet holder

Some people have been known to re-cut the spindle to take R8 tooling. This would open up a whole new world of tooling options.

Richard W.
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Old 01-07-2019, 08:37:23 PM
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Default Re: Bridge Port Milling machine collet holder

Thanks for the info, I did check the info as posted and see little for the milling machine. I have been looking at a new holder and a set of collets, not sure about quality, but have little choice on the market.
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Old 01-08-2019, 01:24:45 AM
Pete Spaco Pete Spaco is offline
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Default Re: Bridge Port Milling machine collet holder

Just out of curiosity, what spindle tooling do you have now?

Pete Stanaitis
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Old 01-08-2019, 07:40:48 PM
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Default Re: Bridge Port Milling machine collet holder

The collets I use must be removed from the draw bar each time. Most of my tooling are left over from a much larger shop with different milling equipment, I also must change pulleys when I need to adjust speeds. I know there is a adapter that can be user for speed control and change my mill from 3 phase and I plan to make that change. Any ideas are welcome. Thanks
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Old 02-18-2019, 08:37:55 PM
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Default Re: Bridge Port Milling machine collet holder

A follow up on a VFD for the milling machine. It turns out the best VFD I was able to find was a Lanze / ac Tech 1. This model will be for a 1hp motor and is Manufactured in Indiana. The product list has more info that I don't understand. Next will be to find a local electrician to install. Price was more than some I found on EBay, only difference I was able to discuss my needs with the technical dept. and was worth the extra. Any body have a source to find a manual for the mill?
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Old 02-23-2019, 04:30:25 PM
miro miro is offline
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Default Re: Bridge Port Milling machine collet holder

Generally, most manuals are on line as a pdf file.
I did a search for you and came up with
https://www.renewaire.com/wp-content...ment_DEC16.pdf

I use a Lenze on my 13 in South Bend lathe and I think it's one of the better grades - I also have Hitachi and Rockwell vfd's

miro
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Old 02-24-2019, 09:20:34 AM
QuickJ QuickJ is offline
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Default Re: Bridge Port Milling machine collet holder

Quote:
Originally Posted by Don Oberholtzer View Post
Any body have a source to find a manual for the mill?
You can try Keith Ruckers website. There are a bunch of Bridgeport manuals there.

http://www.vintagemachinery.org/mfgI...l.aspx?id=2099

Jim in Minnesota
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Old 03-10-2019, 07:30:04 PM
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Default Re: Bridge Port Milling machine collet holder

A follow up on the changing of collet holder and collets. The #32 collet and holder fit up great and makes the machined surface much better. I used the suggestion from a fellow machinist to buy separate nuts for each collet, this speeds up in changing the collet,. changing them is tricky because they slide in on a slight angle.
Still unable to find a electrician to install the VFD.
Doing my homework on the manual for the mill, next on my list. Thanks all for the feed back.
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Old 03-11-2019, 10:42:21 AM
Peter Holmander Peter Holmander is offline
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Default Re: Bridge Port Milling machine collet holder

Don: You might be able to find a member near you from the Machinist Forum who can help you wire up the VFD yourself. That is if you are comfortable doing it that way. I bought a Hitachi for my lathe and I wired it all up myself, but when it came time to power it up, I could not get anything out of it. The VFD would come on but no output power out of it. I have a friend who is a machinist and much younger than me. He is more well versed with the newer stuff and he said it was wired correctly, but he could not get it to work either. He called Hitachi tech service and they gave him a code. As soon as he entered that code, the unit came online and works perfectly. If you want, I can do a post at the Machinist Forum to see if a member there can help you. Or you could join yourself. Let me know.
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Old 03-20-2019, 07:27:32 PM
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Don Oberholtzer Don Oberholtzer is offline
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Default Re: Bridge Port Milling machine collet holder

My search is over, A electrician will be here next wk to give me a est on installing a VFD unit. He would quote me the brand he is familiar with due to the programing after the unit is installed. What happens if you have a power outage, do you need to have the unit re programed ? This would be a concern to me , we have power outages more than usual. Does any body have problems with reprograming due to power failures? I Had good luck on fining a manual, I emailed the company in England and also found the same manual here in the states, I will follow up on the one in the states due to money exchange. Thanks for all the corresponds it is a help.
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