Author Topic: The GNAP Bought Another Milling Machine  (Read 1156 times)

Offline platypus20

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The GNAP Bought Another Milling Machine
« on: May 03, 2017, 12:49:19 PM »
As the title says, the GNAP bought another milling machine this morning. I bought a Rockwell 21-100 milling machine. A small knee mill, 5 spindle speeds and an R8 spindle.

I bought it from the ASME boiler shop, who bought it from a vocational school, where it sat unused for 20 or so years, it needs some TLC, table is tight, knee is smooth and its got some surface rust on the table, So it needs a good cleaning.

The mill is small, very similar in size to the Atlas/Clausing 8500 series mills (made by Johansson). the table is 6" x 24", it a knee mill that sets on a pedestal about 18" high, overall about 7' tall and about 800#, now I have to con, my friend Norm, in to helping me pick it up with the trailer.
« Last Edit: May 03, 2017, 07:03:05 PM by platypus20 »
jack

Offline Uncle Buck

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Re: The GNAP Bought Another Milling Machine
« Reply #1 on: May 03, 2017, 01:46:56 PM »
Lucky duck, just the type I would love to find myself. Show pics when you can! And Congratulations too!
You boys better hold on cause i'm gonna have to stand on it!

NEED A 1/2" BONNEY STREAMLINE COMBINATION AND ANY OVER 13/16" TOO!



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Offline bl00

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Re: The GNAP Bought Another Milling Machine
« Reply #2 on: May 03, 2017, 08:11:14 PM »
Cool!  I'd like to have one of those and the Clausing side by side just to see how they compare.  Didn't you get a Sixis or Aciera type sometime last year?  Got pics?

Offline DeadNutz

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Re: The GNAP Bought Another Milling Machine
« Reply #3 on: May 03, 2017, 11:56:37 PM »
Sounds like a nice machine Jack. Would love to see some pics of it.

Offline platypus20

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Re: The GNAP Bought Another Milling Machine
« Reply #4 on: May 07, 2017, 11:46:51 AM »
Cool!  I'd like to have one of those and the Clausing side by side just to see how they compare.  Didn't you get a Sixis or Aciera type sometime last year?  Got pics?


I have an Atlas/Clausing (Johansson) mill, that I got with a mangled head assembly, that I turned into a very handy drill press with a x-y table. They appear to be very similar in size. I bought a horizontal mill last year, that had an aftermarket vertical head assembly, sold it about 2 weeks later, to a shop that wanted a small horizontal, I really didn't need it or have the space for it,
jack

Offline platypus20

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Re: The GNAP Bought Another Milling Machine
« Reply #5 on: May 09, 2017, 06:50:43 PM »
I spent a good part of the day getting the Rockwell mill to the shop today. I went to the seller's facility and stripped the mill, down to the column and table/knee assembly. After lunch, where I bribed my friends, Trombone Pete and Norm, to pickup the stripped mill, on Norm's small utility trailer.

I based my purchase of the mill on my seeing the mill 2 years ago, last week, I saw it again, with a flashlight, it was far dirtier than I had remembered. Nothing serious, just grime and some swarf. With a few towels and some red Brakleen, the grime pretty much wiped right off.

The table moves smoothly side to side and back and forth, knee is tight and smooth, that table has some surface rust, but nothing serious. Over all, I very pleased so far.

I was unable to power up the head assembly, no 3 phase power (Not yet), but the spindle is smooth when moved by hand. Powering the head assembly is high on the To-Do List.

here are a few pictures
jack

Offline platypus20

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Re: The GNAP Bought Another Milling Machine
« Reply #6 on: May 09, 2017, 06:51:47 PM »
a few more
jack

Offline bl00

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Re: The GNAP Bought Another Milling Machine
« Reply #7 on: May 09, 2017, 07:34:40 PM »
If you don't already have a plan for the three phase there are some inexpensive single to three phase VFDs available.  They come with either 115v or 230v single phase input.

http://dealerselectric.com/variable-frequency-drive-motor-control.asp
https://www.wolfautomation.com/products/ac-drives
https://www.automationdirect.com/adc/Shopping/Catalog/Drives/GS1_(120_-z-_230_VAC_V-z-Hz_Control)/GS1_Drive_Units_(120_-z-_230_VAC)

Offline Uncle Buck

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Re: The GNAP Bought Another Milling Machine
« Reply #8 on: May 09, 2017, 07:56:09 PM »
Beautiful Jack, you really made out well! Color me jealous!
You boys better hold on cause i'm gonna have to stand on it!

NEED A 1/2" BONNEY STREAMLINE COMBINATION AND ANY OVER 13/16" TOO!



Andrew Jackson quote: But you must remember, my fellow-citizens, that eternal vigilance by the people is the price of liberty, and that you must pay the price if you wish to secure the blessing.

Offline platypus20

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Re: The GNAP Bought Another Milling Machine
« Reply #9 on: May 09, 2017, 08:16:22 PM »
If you don't already have a plan for the three phase there are some inexpensive single to three phase VFDs available.  They come with either 115v or 230v single phase input.

http://dealerselectric.com/variable-frequency-drive-motor-control.asp
https://www.wolfautomation.com/products/ac-drives
https://www.automationdirect.com/adc/Shopping/Catalog/Drives/GS1_(120_-z-_230_VAC_V-z-Hz_Control)/GS1_Drive_Units_(120_-z-_230_VAC)



Yeah, we sell them, I work with them everyday, I have 4 of them in the shop, running other equipment. At this point, with the failures (both motors and vfds, we average 2-3 failures, of some kind, a week), I'm still not sold 100%. I probably break down and buy another one, but at this point, my options for a single phase motor is still open.
jack

Offline Uncle Buck

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Re: The GNAP Bought Another Milling Machine
« Reply #10 on: May 10, 2017, 02:50:16 PM »
If you don't already have a plan for the three phase there are some inexpensive single to three phase VFDs available.  They come with either 115v or 230v single phase input.

http://dealerselectric.com/variable-frequency-drive-motor-control.asp
https://www.wolfautomation.com/products/ac-drives
https://www.automationdirect.com/adc/Shopping/Catalog/Drives/GS1_(120_-z-_230_VAC_V-z-Hz_Control)/GS1_Drive_Units_(120_-z-_230_VAC)


Jack is what you are speaking of something that would work for a heavy 3 phase bench grinder that I have? If so what would something like that cost me? I would like a simple straightforward solution because I am no electrical GURU. More of a plug and play guy here.

Yeah, we sell them, I work with them everyday, I have 4 of them in the shop, running other equipment. At this point, with the failures (both motors and vfds, we average 2-3 failures, of some kind, a week), I'm still not sold 100%. I probably break down and buy another one, but at this point, my options for a single phase motor is still open.
You boys better hold on cause i'm gonna have to stand on it!

NEED A 1/2" BONNEY STREAMLINE COMBINATION AND ANY OVER 13/16" TOO!



Andrew Jackson quote: But you must remember, my fellow-citizens, that eternal vigilance by the people is the price of liberty, and that you must pay the price if you wish to secure the blessing.

Offline Muddy

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Re: The GNAP Bought Another Milling Machine
« Reply #11 on: May 10, 2017, 09:08:53 PM »
Nice looking mill!

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Offline goodfellow

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Re: The GNAP Bought Another Milling Machine
« Reply #12 on: May 10, 2017, 09:40:32 PM »
Yup -- like Buck, I'm jealous of that little find. A very nice mill and perfect for the home shop. Definitely better than a mill/drill.

Well done Jack!

Offline Heiny57

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Re: The GNAP Bought Another Milling Machine
« Reply #13 on: May 10, 2017, 09:53:17 PM »
Nice find, waiting for pics in action.     sharepopcorn
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Offline DeadNutz

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Re: The GNAP Bought Another Milling Machine
« Reply #14 on: May 10, 2017, 10:25:43 PM »
Thanks for the pics Jack. Nice mill but it looks funny without a motor.

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Re: The GNAP Bought Another Milling Machine
« Reply #14 on: May 10, 2017, 10:25:43 PM »