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Milling Machine? |
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ibleedorange
Bronze Level Joined: 08 Feb 2010 Location: Harvard, IL Points: 164 |
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Posted: 02 Jan 2011 at 8:56pm |
Any one know about the Midas 1220 LTD 3 in 1 combo mill, drill, lathe? I know stand alone milling machine & stand alone lathe would be the best, but space & my wallet won't let me.
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Butch(OH)
Orange Level Joined: 11 Sep 2009 Location: Lucerne Ohio Points: 3834 |
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Please do yourself a favor and dont buy it. You can ask that question on 100s of machining forums and you will get the same answer. If space is limited by whichever you will use the most, lathe or mill and hire out the other operation. If money is limited save for a while longer. There is one of those machines, cant remember the Mfg that is top quality and top dollar to buy, Navy has them on subs. The rest are just plain not very good machine tools for a number of reasons one of them being working space, another being acuracy. The mill is nothing short of usless when it comes to making a part ?"x?"x?" to any kind of tolarances and as a lathe it aint much better. Off my box, sorry. |
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JW in MO
Orange Level Joined: 16 Feb 2010 Location: South KC Area Points: 2618 |
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I have one, it will do more than my ability. I built a good solid frame and anchored it to the floor well. I have cut a lot of keyways on shafts, made a couple of punches, but I bought it to make some specific stainless pieces and it worked well for that. It won't do any heavy stuff but I'm no machinest. Mine is the older style, works well for replacing tractor brakes as shown. I also purchased the heavy duty vise with it.
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E7018
Bronze Level Joined: 07 Dec 2009 Points: 167 |
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I agree with the other fellow. Keep looking til you can find a heavy old cast iron mill or lathe. It is pounds of cast iron that make a machine rigid. Tons are better. Watch Craigslist, ebay and garage sale ads. There are machines around. Especially if you are in Illinois.
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Steve M C/IL
Orange Level Joined: 01 Jul 2010 Location: shelbyville IL Points: 691 |
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One of those "too good to be true" items from what I've heard.Butch is a guy with good charactor and if he says No Go then you can take it to the bank.
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firebrick43
Orange Level Joined: 10 Dec 2009 Location: Warren County Points: 592 |
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I agree with Butch. These combo machines, are really bad in quality and rigidity.
What exactly do you want to do? |
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Coke-in-MN
Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41567 |
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Unsure of what the price is but i bought a nice Nichemori 15"X60" gap bed lathe for $500, and the Bridgport mill for the same price. I also bought a South Bend 9"X 48" for $500, yes they take up room but they will do just about anything. For drill work I found a decent drillpress (import Enco) after buying one from Harbor Freight that ended up being real inacurate, but after replacing spindle and chuck it will hold some tolerance now.
if your doing just no tolerance work the combo machine may work but if you try to do something where you need good quality and close tolerance forget it.
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful." |
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Allen
Bronze Level Joined: 24 May 2010 Location: ohio Points: 16 |
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I agree with seperate machines , takes more space but in the end its worth it ! I bought several machines from HGR in euclid ohio for very reasonable prices ( Greaves clusman 18 by 42"?? lathe for $250 its flatbelt but alot better machine than alot of newer stuff out there ! I swore it was all the lathe i needed till i ended up with this one lol ( 12ft between centers )
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Butch(OH)
Orange Level Joined: 11 Sep 2009 Location: Lucerne Ohio Points: 3834 |
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Yup Allen, machine tools are not one bit differant than any other man toy. There will always be bigger, better, cooler, newer, or just plain more different ones to purchase and play,, oops, work with. We are getting along fine at the moment with a 20x 60 Summit lathe and a 9x49 Bridgeport copy from Tiawan but I have to stay away from the machine tool classifieds, LOL
When a person uses that model it makes it very hard to say, ya that thing will make you some washers and bushings go for it, a fault of mine but then again a person can make loose tolorance washers and bushings with a welder, grinder, drill press
and a torch.
Edited by Butch(OH) - 03 Jan 2011 at 7:28am |
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Brian Jasper co. Ia
Orange Level Joined: 11 Sep 2009 Location: Prairie City Ia Points: 10508 |
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Sounds like I did the right thing. I thought about getting one of those combo machines, but never did. I recently met a couple guys, both former Maytag employees, one is a millwright, the other a machinist. They have been able to make anything I've needed so far. The latest job I gave them was see if they could repair the splines on the generator and power steering pump shafts. They think they can cut keyways and make a new coupler out of something that will work harden. As long as it works, that's all I care...
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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CTuckerNWIL
Orange Level Joined: 11 Sep 2009 Location: NW Illinois Points: 22823 |
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Buy a lathe. I have an old flat belt South Bend and when I went to pick it up I found a mill vise that went with it. Now I have a horizontal boring mill of sorts and a 17"x 5' lathe.m The first thing I did was clamped a piece of round stock in the mill vise and put an old 1 1/4 " endmill in the chuck and made me a 1/2 in square drive key for my 4 jaw chuck.
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http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
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DaveKamp
Orange Level Access Joined: 12 Apr 2010 Location: LeClaire, Ia Points: 5754 |
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If you really want to work metal, you need a good dedicated lathe... and as others noted, they're incredibly easy to find, if you know how to look. Watch Craigslist, as well as the machinist forums (Practicalmachinist.com and others) and you'll see real machines come up frequently, and they're incredibly inexpensive to obtain.
Combo machines have their place... they're perfect for someone interested in making models and toys. Reason I say this, is because the geometry and structure to MAKE the machine, is always a big series of tradeoffs. You're using the lathe bed and crossslide as a milling table... or you're using a milling table for a carriage and crossfeed... the toolholder must be raised way up in order to reach working high of the spindle... and geometry makes even a LITTLE slop translate into large cutting errors. In the quality department, the column doesn't lock tight, hole-locating axis don't repeat, and because the mechanicals all serve multiple masters, you can't adjust them to do all things. Finally, there's tooling it up for an operation. I can chuck a workpiece in my lathe, turn it to size, thread the end, part it, carry it to the mill, clamp it to the table in V-blocks, locate it on-center, and mill a keyway in it, then carry the part out the door, done. In a combo machine, you'll spend at least five times the machine just trying to configure the 'machine' for each step. My advice, is to find a friend that has a serious lathe... a Monarch 10EE, or a Cinci Traytop, or a Hardinge, or a Hendy, carry in some soft steel, learn to center in a 4-jaw chuck, and cut some parts. Then do a little milling in a Bridgeport, Tree, or Index, Cinci #2 vertical, or even a K & T.... Then sit down and try a combo machine before you consider a purchase. Many people believe, for many reasons, that they can't have a 'real' machine... but I've found that in most cases, this is certainly not the case. Big iron is an incredible value, and a mere pittance of investment compared to anything 'new' (read 'imported') these days. |
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Bee
Orange Level Joined: 14 Jun 2010 Location: NC Points: 201 |
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The other thing you need to be aware of - is the machine single or three phase? If its three phase and you don't have it into your building you are going to have to get a phase converter or retrofit the machine with a single phase motor.
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Bob, North Carolina
1949 B |
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DMiller
Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 31058 |
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I broke down some years ago and actually bought a reasonable new lathe, it is the same as what Grizzley sells out of Springfield, Mo and does well enough for a novice machinist. I gave less than$2200 for it shipped to the nearest truck line dock and then brought it home in my pickup, it is a 12x36 and is crude compared to the high dollar equipment that is out there but needed no bedway work or specialized tooling heads. Another good lathe supplier is ENCO and their 12x36 is comparable to the one I have, these at this size are generally 240v single phase so they are more readily installable in a home shop.
I later found milling work was also needed for some of my projects, I did some on the lathe using the cross slide as the mill table but again broke down, saved the cash and bought a Grizzley 9x39 end mill/drill machine also 240v single phase and with tolerances good enough for the novice without having to have to deal with a worn table or headpiece play on a antique that won't hold tolerances. |
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DaveKamp
Orange Level Access Joined: 12 Apr 2010 Location: LeClaire, Ia Points: 5754 |
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Solving 3-phase power isn't a difficult or expensive problem, nor is powering a 480v three-phase motor from 240v single-phase mains. It DOES, however, reduce the demand on machines that need such power, so the price on 480v 3ph machines tends to be pretty low.
Installing a single-phase motor on a three-phase machine is a quick-and-dirty method for getting it to run on single-phase power, but having a 3-phase motor on the machine assures that the machine will not overheat from repeated starts (like when threading or plug-reversing), and it also greatly reduces the ripple found on a cutting surface resulting from motor hum. In 1992, I bought my 1942 Monarch 10EE lathe and 1953 Bridgeport J-head mill at a GSA auction at the Rock Island Arsenal. The Monarch cost me $750. The mill cost me $400. A year later, I purchased a Johannsen radial drill for $450, and drove to Green Bay (5hrs or so) to get it. My Milwaukee #2 horizontal set me back $200, the Pratt & Whitney shaper was GIVEN to me (great for putting splines on shafts and cutting gears). I bought a Brown & Sharpe #2 surface grinder for $150, and a Lodge & Shipley 24" x 120" lathe for $300. Every one of these, with exception of the L&S's bed, were moved using my '88 Jeep Cherokee and a tandem-axle car hauler... and every one of 'em is a three-phase machine. When I started with the lathe and mill, I built a rotary phase converter using an orphaned special-purpose 10hp motor and some contactors, capacitors, and junk I had laying around. I then started buying surplus variable frequency drives, and fitting them to my machines... with a gross cost of under $120 per machine, they all run from single-phase power, but have variable-speed 3-phase drive now, and they're quieter and smoother than the manufacturers ever dreamed. Ironically, the Monarch is still running off the rotary converter... it was built from the git-go with a Ward-Leonard variable armature/variable field motor-generator drive arrangement, so from the first day I fired it up, it had full variable speed, electrodynamic braking, and the legendary Monarch 10EE precision and cut quality. Our society is amidst, and hopefully the end of a declination in manufacturing. The surplus production machines we find these days, were made anytime from the 1890's all the way up to the early '60's, and in some cases, the mid '90's. Even after a half-a-century of industrial operation, these metal-eating machines are more capable, even in a worn-out state, than the BEST of brand new imported machines. Dollar for dollar, an imported lathe, mill, or combination machine is an absolute rip-off compared to buying ex-industrial equipment. Even the lighter commercial and educational grade machines (South Bend, Clausing, etc) stomp daisies all around Enco, Grizzly, and JET. So-called 'consumer-grade' tools feature low-quality castings poured from whatever-we-had-lying-around mixtures if iron and steel... poured into shoddily tamped molds made of dirty, unmetered sand, lifted out as soon as they were cool enough to be lifted. What sprues and flashing are not knocked off with a hammer, are painted over. Surface machining is done in low tolerance, so parts have plenty of slop-room to permit easy assembly, and they're pinned or bolted together with cheap hardware. They're not hand-fitted for precision or they're not unit-ground for trueness... they're slapped together, oftentimes not even properly torqued, or with mating surfaces still covered with mask and paint, before being hosed down with oily wax, wrapped in plastic and shoved in a remanufactured cardboard box. Handles are plated without proper etching (looks good now, will peel and cut your hands open later), but fortunately, they're not threaded well, and the hubs are made of lousy metal, so they'll fall out, and you'll wind up welding a piece of re-bar in it's place. While it is possible to work the machines over to 'get good tolerances' in a resulting workpiece, the trade-off is in your time, patience, and many pieces thrown in the scrap bin. What these machines DO to an excellent job of, is parting budding machinists (amateur and professional) of a good chunk of wallet, while at the same time causing frustration that invariably causes them to give up and walk away. Fifteen years ago, that's where I was. I wouldn't wish it on anybody, but if you're bound-and-determined to do so, remember what I've noted here, so that when you're faced with those frustrations, you realize that what you're getting out of the machine, is NOT normal, and the problems you're having, while maybe partially a lack of skill or experience on your end, is mostly attributed to poor excuse for machine. Edited by DaveKamp - 08 Jan 2011 at 7:02am |
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DMiller
Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 31058 |
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You must have had some bad experiences with machines I have yet to see; my Birmingham is clean at cast lines, the paint has not tried to peel and the fit is as good as many of the older machines in the shop at work. It keeps to .0005 tolerances, the threads don't chatter if I use the correct speed, I can buy head stocks or chucks from anyone as it is common and tooling on it works as well as I demand.
My Grizzley Mill holds also to .0005, I have yet to have any issues with the single phase variable speed motors on either machine and they again do as well as I can bring my skill level to perform. While the older 3 phase machines are heavier, they will hold tolerances closer, longer but many have odd head stocks requiring particular and sometimes unavailable chucks or add on tools, the last three machines that set me to buy a new one had bedways worn from use and needing grinding to reset tolerances, the mills had been left to rot outside with severe rust to the bed and travel ways rendering them as needing major work just to get to use. The loss of power to the machines when swapping down with phase converters worried me a lot as when the volts go down the amps go up plus you are running a second motor to get the 3 phase power to turn the machines and using energy on it as well. Maybe I am just cheap or prefer not to have to rebuild my lathe or mill to use them but I have good machines at a reasonable cost in my shop and at plug and play capability. |
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DaveKamp
Orange Level Access Joined: 12 Apr 2010 Location: LeClaire, Ia Points: 5754 |
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There's many people out there who, with a 10 acre lot, would opt to spend good money on one of these:
http://www.amazon.com/MTD-13AA625P004-50-Inch-Briggs-Stratton/dp/B001B1N8O2 When they could have one of these: http://springfieldil.craigslist.org/grd/2115260987.html http://louisville.craigslist.org/grd/2088061541.html http://southbend.craigslist.org/grd/2090931419.html But I'm sure there's people out there who would. I'm sure there's some who would come up with a reason to buy This: http://www.harborfreight.com/two-speed-variable-bench-mill-drill-machine-44991.html Or this: http://machinerydistributors.com/m1007.htm Or even this: http://www.sears.com/shc/s/p_10153_12605_SPM1348281101P?sid=IDx20101019x00001a&ci_src=14110944&ci_sku=SPM1348281101 When they could have : http://www.practicalmachinist.com/vb/machinery-sale-wanted/reconditioned-bridgeport-f-s-216992/ or: http://fortwayne.craigslist.org/tls/2107826825.html or: http://southbend.craigslist.org/grd/2136436779.html or: http://kalamazoo.craigslist.org/tls/2151290016.html You simply cannot beat the value of surplus industrial machines. There's merit in the argument of space, but I don't know ANY 'tractor enthusiasts' that can't come up with enough space for a floor-standing drill press. That being the case, throw the drill press away, and move in a real machine. As for them being large and heavy, you can't make cuts in large workpieces, if they don't fit. |
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Coke-in-MN
Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41567 |
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Using the rotator phase converter (second motor) uses little energy in itself as it is under no load but creating a shift in the single phase. As far as power I was running a 5 HP motor on my lathe with a 3 HP converter and have plenty of power. Then if machine were to bog down, just take smaller cut.
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful." |
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