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  #1  
Old 02-15-2014, 7:41 PM
lovemyguns lovemyguns is offline
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Default Was given a Bridgeport milling machine

I was given this machine and is old as you know what and heavy as hell. So any machinist out there tell me the year this might be and where to get a manual for it. Sorry for the pics but my boy took them and I am use to using a drill press for my 80% but this will make it easier.....


Last edited by lovemyguns; 02-15-2014 at 7:51 PM..
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Old 02-15-2014, 8:01 PM
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I think that thing has a vibration problem..The whole room is jumping around..
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Old 02-15-2014, 8:04 PM
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Some info for you..

http://bluechipmachineshop.com/bc_bl...idgeport-mill/
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Old 02-15-2014, 8:04 PM
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Its junk, just give me your address and I'll pick it up and dispose of it for you. All kidding aside, that's an awesome score. Did you get any tooling with it? That's where the $$$ starts adding up quickly. Have fun
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Old 02-15-2014, 8:05 PM
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....do you realize what power you now have?

You can now finish 80% 1911's, FAL's, DP28's, M31's, Jaco single shot pistols, Camper pistols, and tons of other guns.

The doors have been OPENED, my friend. You can do almost anything now.
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Old 02-15-2014, 8:06 PM
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Location PLEASE!!! I'm warming up my car with a box full of 80's!
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Old 02-15-2014, 8:18 PM
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Thanks folks and this was given to me by a friend of my father in law who retired for ranching and he gave me so much stuff, endmills galore, drill presses, metal presses and so on. My father in law says his friend has had it for over 50 years and still works like a charm. Now time to get to know how to use this beast and make some guns.....
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Old 02-15-2014, 8:23 PM
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That looks like a J-head Bridgeport; hard to tell from the blurry pic.
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Old 02-15-2014, 8:24 PM
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Looks like a step pulley type machine.
Check this out for parts and info. http://www.machinerypartsdepot.com/s...57/page/552090
You may have a very nice machine there, despite the horrible picture.
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Old 02-15-2014, 9:21 PM
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I have access to a Bridgeport in Escondido CA.. now I just need someone smart enough to show me how to work over an 80% with it. lol

Also have a two-axis CNC machine available, but it's a weird brand so it might be HARD to find a program for it.

I have the tools, not the skill..
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Old 02-15-2014, 9:24 PM
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Looks like the one we have at work. Hard to really tell from the picture.
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Old 02-15-2014, 9:38 PM
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what size chuck does it have does it have multiples? careful you dont crash into the buffer tower when clearing the takedown lug
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Old 02-15-2014, 10:53 PM
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You can do a lot of nice work with that machine. The model number is right on the first picture, but can't make it out.

You got a vise and you mentioned end mills, but hopefully you got a set of R8 collets, at least they should be R8 taper for that machine. If not you can get a set of quality import collets for not much money. As another poster mentioned, the real cost of a milling machine is the accessories which can add up to about the cost of the machine, assuming you had to buy it in the first place.

You don't need a manual to operate it, but you do want to make sure it is getting enough of the proper lubricants in all the various locations. The class seven precision bearings in the head are quite expensive to replace.

There is a ton of information on these machines on this site.

http://www.practicalmachinist.com/vb/

look in the Bridgeport and Hardinge mills and lathes sub forum.
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Old 02-16-2014, 4:58 AM
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Quote:
Originally Posted by Dave A View Post
You don't need a manual to operate it, but you do want to make sure it is getting enough of the proper lubricants in all the various locations.

There is a ton of information on these machines on this site.
http://www.practicalmachinist.com/vb/
As far as lubing the head and spindle,there should be a couple of oil cups on the head for spindle lube and possibly a zerk for greasing the back gears.

On all of the Bridgeport I have ran,they were fitted with a Bijour way lube pump.
The older ones may have zerk fittings?

I was going to recommend the same site.
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Old 02-16-2014, 7:20 AM
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Cool mill

Sent from my AP-7S118 using Tapatalk
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Old 02-16-2014, 7:27 AM
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Your first concern will be power for it. Industrial machines don't typically plug into the wall. If it is 440/3ph you will need to convert it or come up with a power conversion for it. All the same, an awesome score which will allow you to do many things.
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Old 02-16-2014, 8:08 AM
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I will post a better pic soon, working on getting her home right now...
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Old 02-16-2014, 8:15 AM
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That's a J head, 9x42 table, step pulley, looks like a 1 hp motor. I have one, but I had to spend money before someone would turn it loose. It probably is 50+ years old, mine is a 1964. 240v-3phase power, you can make a rotary phase convertor from a 3hp 3ph electric motor. There are plans on the net. Better solution is a Variable Frequency Drive; VFD. That will produce the 3 phase power off a 2 phase input, plus they allow you to dial in a speed; don't have to move a belt. $200-$400+, look on Ebay. DRO is really, really, really, nice.

The manual has exploded diagrams of the whole machine, some info as to lubrication, nothing on how to run it. You can find the serial number on the knee, stamped into the metal at the end, up closest to your crotch. On the net are lists of number to year made.

Moving one is a real art, whole machine is about 2400#, and it's top heavy. I had an engine cherry picker, pulled the ram and head together. Then the saddle with the table. That left the knee and base. Me and my dad did the whole thing. We made 3 trips with an 8' bed truck to get everything home. Get some 3/4" black pipe to make a set of rollers. You need about 4, 3' long. Lever the base up and slide them in; then you can push or lever it on a smooth floor. Sure beats the drill motor, drill bits, and file I used to use on metal projects...

Last edited by klewan; 02-16-2014 at 8:28 AM..
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Old 02-16-2014, 10:00 AM
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Forget the 80% step up and do a zero 0%.
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Old 02-16-2014, 10:11 AM
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I have been using that type of BP mill for 40 years . Send me a note if you need help.
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Old 02-16-2014, 10:13 AM
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If you need to move it, do a little reading up. Don't let movers destroy it, some don't know what they're doing. They're top heavy, and if the movers use come-alongs to chain down the table, it should be lowered with the knee supported by blocks off the base.
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Old 02-16-2014, 10:36 AM
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Quote:
Originally Posted by ronrichards64 View Post
I have been using that type of BP mill for 40 years . Send me a note if you need help.
Thanks for all the help and got it loaded onto a flat bed and my father in-law who is also a rancher used his fork lift to load it. Once I get it set up I will sure look up all the specs and such. 80% is as good as I will be for now until I learn this beast....
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Old 02-16-2014, 11:20 AM
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Don't convert or rewire your motor, get a rotary phase converter.

I have an American Rotary phase converter to power my TREE 2UVRC mill and Cadillac engine lathe. My TREE also has motors for the knee & table.
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Old 02-16-2014, 11:27 AM
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Quote:
Originally Posted by surplus-addict View Post
....do you realize what power you now have?

You can now finish 80% 1911's, FAL's, DP28's, M31's, Jaco single shot pistols, Camper pistols, and tons of other guns.

The doors have been OPENED, my friend. You can do almost anything now.
Lol woooow Breath man. Hahaha


Great score OP moar pics! (With less jump please)
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Old 02-16-2014, 11:38 AM
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Just like the one I learned on. My gramps rigged motors to drive the XY. I always loved the feel of hand turning the XY while cutting.
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Old 02-16-2014, 12:17 PM
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Quote:
Originally Posted by opie4386 View Post
Lol woooow Breath man. Hahaha


Great score OP moar pics! (With less jump please)
But it's such an exciting moment!

Heck, if he could find one of those Walther P1 parts kits and a barrel, he could use a steel P38 frame forging from Numrich (or some of the cheaper aluminum ones to practice on first) and make a P38 copy.
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Old 02-16-2014, 2:04 PM
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Quote:
Originally Posted by Rusty Scabbard View Post
If you need to move it, do a little reading up. Don't let movers destroy it, some don't know what they're doing. They're top heavy, and if the movers use come-alongs to chain down the table, it should be lowered with the knee supported by blocks off the base.
Easiest way to move them is with a forklift.
Place the forks with wood inbetween under each end of the ram and lift.
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Old 02-18-2014, 6:34 AM
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better pic





Last edited by lovemyguns; 02-18-2014 at 6:36 AM..
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Old 02-18-2014, 10:25 PM
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On oldie, but good for sure. Hate to think how many parts were made on those machines. Just a minor comment about changing from low range to high. Make sure the dog teeth engage or you will get a serious noise from the drive system. Turn the spindle nose by hand to drop into engagement.
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Old 02-18-2014, 10:47 PM
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If you stand in front of the machine and grab the handwheel at your knees and turn it so the table moves in towards the column, right at the beginning of the ways should be a number stamped, if its not to marred up to read. Call Bridgeport and they will tell you what year and model your machine is.

Then order a manual from them.

Oh yeah.... Good Score!
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Old 02-19-2014, 2:03 PM
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lovemyguns:

You've got a Bridgeport J head milling machine. Yours was made in 1965. I recommend that you check out H&W Machine Repair on the web, and look for the book "A Guide to Renovating the Series 1, J head Bridgeport Milling Machine". This book will tell you everything that you would ever want to know about repairing and maintaining your mill.
Please note that the J head mill has the stepped pulley drive, (like yours), and the 2J head has the variable head drive. Hardinge bought out Bridgeport back in 2003. If you go to the Hardinge website, you can download the operations manuals for free. The manuals for the Bridgeport mill can also be found at multiple sites on the web, also for free.
Bridgeport mills were not designed to be lubricated with grease. Those fittings that look like zerk fittings are actually Alemite fittings, and are designed to be used with oil. The Bridgeport mill has a constant loss oil lubrication system, so if there's oil on the foot at the base of the pedestal, that's normal and correct.
There is a ton of stuff waiting for you to learn about this milling machine. The more you find out about it, the more your going to realize how versatile it is. Once you have it running, you'll be able to make practically anything that you want. Two websites that can help you get information are Practical Machinist, and Weapons Guild. Best of luck with your new mill.
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Old 02-21-2014, 7:48 PM
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Quote:
Originally Posted by Toxic Shock View Post
lovemyguns:

You've got a Bridgeport J head milling machine. Yours was made in 1965. I recommend that you check out H&W Machine Repair on the web, and look for the book "A Guide to Renovating the Series 1, J head Bridgeport Milling Machine". This book will tell you everything that you would ever want to know about repairing and maintaining your mill.
Please note that the J head mill has the stepped pulley drive, (like yours), and the 2J head has the variable head drive. Hardinge bought out Bridgeport back in 2003. If you go to the Hardinge website, you can download the operations manuals for free. The manuals for the Bridgeport mill can also be found at multiple sites on the web, also for free.
Bridgeport mills were not designed to be lubricated with grease. Those fittings that look like zerk fittings are actually Alemite fittings, and are designed to be used with oil. The Bridgeport mill has a constant loss oil lubrication system, so if there's oil on the foot at the base of the pedestal, that's normal and correct.
There is a ton of stuff waiting for you to learn about this milling machine. The more you find out about it, the more your going to realize how versatile it is. Once you have it running, you'll be able to make practically anything that you want. Two websites that can help you get information are Practical Machinist, and Weapons Guild. Best of luck with your new mill.
Thanks and my eyes are sore from looking up all the information on this machine and regarding the grease, I guess the prior owner filled it with grease and it was hard to move the table so I had to flush it out completely, filled it with oil and now moves like melting butter. Little by little I am getting use to this machine and how everything functions....
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Old 02-23-2014, 6:05 PM
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Hey lovemyguns:

I just sent you a PM.

Toxic Shock
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