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Anonymous Poster

Problem Finding Reasonably Priced Milling Machine

08/06/2008 12:19 PM

Recently, I tried buying a Milling Machine from a company (right out of my magazine Machine Shop) in the US (I live in Canada), the cost was about 1200 US dollars and had the specs I could live with. The milling machine is for my own personal interests and will go into my garage, so it doesn't need to be super powerful. Turns out the company has an agreement with another company and won't ship the machine to Canada. But I've looked and looked and looked ..I can't find one at the same price and of the same quality. Does anyone know where I can find a US Milling Machine distributor that will ship to Canada? Or a Milling Machine company in Canada that is inexpensive, but has good quality milling machines for the machining "at-home" hobbiest? I could really use some help with this, otherwise I'll need to find a freight company, so I can cross the border and pick it up.

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#1

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 1:27 PM

You will never buy a new milling machine for $1200 new from anywhere. Even if you do you will rue the day you did.

You may not think you need the power, but I would not buy anything but a used Bridgeport unless your personal interest is throwing good money for bad and spending 50% of your time cursing the manufacture and the other 50% trying to fix it to do what you want it to do.

The Chinese mills look very good, but they are not what they look like. Search locally for a used Bridgeport.

Yes, it will cost you a little more, maybe $1500 - $2000, but the alternative is buying a used Bridgeport for $2800 to $3200. In other words, you buy the cheap junk machine, use it, curse it, then break down and buy the Bridgeport - total out of pocket cost is almost 2 times what you could have spent if you bought a Bridgeport in the first place.

Ask me how I know!

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Anonymous Poster
#4
In reply to #1

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 1:44 PM

Hey, Anonymous Hero. So tell us...how do you know?

I (somewhat reluctantly) posted the Enco bit below, before I saw you post. I'm in agreement with you 100%. Maybe even 105%.

But if you absolutely positively can't spend more than $1200...then at least Enco is a well-established vendor which to their credit has provided replacement parts or taken the broken machine back. Admittedly, it sometimes took us a lot of prodding and waiting. But one might not even get that level of support from other outfits.

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#8
In reply to #4

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 4:24 PM

I bought a Rong-Fo bench mill. I soon found the abilities of this machine were not up to my small needs. I worked mostly with aluminum and nothing big, but I soon reached the limits of the machine. Besides that, the cut was not that good and limited in the amount of metal you can carve out in a pass, the table was too small, its motion was rough, and I had no way of adjusting the head over the table without loosing register.

Then the bearings went south in the quill. I bought US bearings, but the root problems were never addressed. So, I bought a Bridgeport after much research. I was going to upgrade to a floor model Chinese mill, but for the same price or less I found a used Bridgeport.

The Rong-Fo just sat after that. I used it as a drill press a few times, but I can do that with the Bridgeport, so I gave it to a friend.

I had the same sad story with a Chinese lathe.

I just look at it as the price of education. However, not everyone needs to do the same road I do, unless they want to find out for themselves.

I am sure that there will someone that gets on here that spouts how much wonderful luck they have had with this or that, but once you use something like a Bridgeport it changes your whole concept about what good is and you suddenly realize your reach has been extended an order of magnitude beyond what you had.

Yes, Enco (and their parent company MSC) are great people, but they are just distributors and have only limited control over the quality they get from China. Therein lies the real issue. The Chinese and Taiwan quality control is so out of control that it is non-existent. Sorry if this hurts anyone's feelings, but that is what the reality is.

I know some of the better Chinese machines make it into machine shops, but when I ask owners why they bought them they always tell me that they are disposable machines and they write them off very quickly. So, in that regard, they have a useful place in the industry. Serious work, on the other hand, gets done on machines that neither you or I could afford.

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#7
In reply to #1

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 4:10 PM

I agree that going for a 'previously enjoyed' Bridgeport would be the ideal, if you can stretch to it. The electrics/electronics is a bit quirky, but generally reliable & serviceable (I've serviced a couple) - make sure you get the manual, though!!. Damn good machines.

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Anonymous Poster
#2

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 1:30 PM

I hesitate to recommend Enco, since we've had a history of poor quality and support on such machinery that we've bought from them. However, if you:

  • have low-deamand hobbyist needs
  • refrain from breathing too hard on the equipment
  • have the patience to deal with their customer service
  • are mechanically & electrically inclined so that you can fix it when it does ultimately break

then you just might consider looking into some of their "Rong-Fu" brand drill/mills. Enco I believe does ship to Canada, but you might want to double-check me on this.

http://www.use-enco.com

But keep in mind the irony that "Rong" is a homonym of "wrong".

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#3
In reply to #2

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 1:41 PM

Exactly! I had a Rong-Fu, too and of all the Chinese junk tools they make the better tools, but they are still a long distance call from anything that has anything to do with quality.

Oh, by the way, I wonder what the original poster's budget for tools and tooling for the mill is? Better sit down and limber up your credit card. The good news is that you can sort of buy things as you go, but the cost will still add up to more than you expect and most likely more than the $1200 for the mill.

You will need edge finders, parallels, boring bars, mills, a vice, a rotary table, collets, drill chucks, drills, reamers... did I mention mills?

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#5

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 2:09 PM

I have been using my cheap, Chinese mini-mill for a number of years for light work. OK, I've had to have the motor rewound a couple of times, and exploding capacitors are not unknown, but I still use it. The key is to make sure your cutters are top quality and sharp, and you have good clamping tools- and don't try to mill anything that weighs more than the mill base...

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#6

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 3:33 PM

Might want to get some quoates from here

http://www.activemachinerysales.com/milling-machines.html

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#9

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 9:10 PM

In the sad economic world we now have, there are bound to be businesses that are struggling to survive. An older milling machine that is not earning it's floor space would bring added income to an owner. Find out from an existing machine shop who supplies the consumables (cutters and bits) to them. Then find out from that company who might be willing to let go of a used machine.

A used machine acquired this way may have some of the extras with it. If you are willing to take in an occasional job from the previous owner for minimum price, you might get a better buy, and a friend that will help your learning experience. I have a friend that furnished his entire automotive machine shop this way. Good luck.

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#10

Re: Problem Finding Reasonably Priced Milling Machine

08/06/2008 11:11 PM

I'm with many of the other posters here. Find an experienced Bridgeport, and you will not be sorry. Concerning a machine of foreign build, I would not hesitate to purchase a Republic-Lagun if one is available. The key thing about the Bridgeport is that it is very popular and the R-8 toolholding accessories are available from many sources.

One (1) place to watch is if a factory is closing, as often their maintenance shop has one (1) or two (2) dirty but underused Bridgeport machines. Spend the money-don't be sorry. Find the used Bridgeport that is still in fighting condition.

Good Luck!

Ing. Robert Forbus

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#11

Re: Problem Finding Reasonably Priced Milling Machine

08/07/2008 8:07 AM

I have found that many schools (in the states anyway) high school , jr. colleges ect. update their machine shops on a regular basis. they usualy aution off the used machines. I have gotten some really good deals this way.

some examples: a hardly used heavy duty bridgeport/with attachments for $325.00!

a miller top of the line wire feed welder $25.00! (sells new for $1600.00)

The only draw back are some of the machines have been abused but not beyond repair and you usualy have to move them yourself which will add to the cost.

ebay is another possability

oilcan13

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#12

Re: Problem Finding Reasonably Priced Milling Machine

08/07/2008 8:10 AM

My job is maintaining all of the equipment in our machine shop. With the exception of a couple of Lagun mills our inventory is strictly Bridgeport. We have had other brands but phased them out to reduce the cost of our repair parts inventory. These are easy machines to repair. Most repairs I encounter are caused by the students and not the result of poor quality. I do have to mention that I am not real happy with the Lagun mills. When they are new they work fine. After a few years they can get expensive. They are also very tall compared to a Bridgeport. Climbing a step stool to change end mills is a real pain. Our taller students do not mind the height. Our shorter students find them almost unusable. Another problem with the Lagun is the motor must be unwired to service the power head because the switch is located within the head. On a Bridgeport the switch is surface mounted to the side of the head. Simply kill the power to the machine and verify it is safe. Then remove the switch and it can stay with the motor when removed. I purchased my personal Bridgeport from a company that was trending toward tool room mills. These are hybrid machines with manual and CNC capabilities. As these have become more popular so has the retrofitting of CNC packages to manual machines. Try contacting a vendor specializing in this and they may be able point you in the right direction for a machine. Especially if there is the possibility that you may add their package to your machine in the future. The CNC addition could be offset by eliminating the need for a rotary table and digital readouts. If you need help in inspecting a used machine I could give you a list of items to check to help insure you are getting a good machine.

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Anonymous Poster
#15
In reply to #12

Re: Problem Finding Reasonably Priced Milling Machine

08/07/2008 12:39 PM

I'll have to do some more arm twisting, but maybe my partner..who is really impatient to buy a milling machine and doesn't want to spend a lot...will go for a Bridgeport. It's actually the only milling machine I have ever used. A used one would do just fine, if you could send a list of items to inspect that would be great!

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#17
In reply to #15

Re: Problem Finding Reasonably Priced Milling Machine

08/07/2008 3:33 PM

First off forget cosmetics. Don't buy a paint job. Like wise don't let a crappy paint job deter you. A little bondo, primer, and paint goes a very long way.

If the machine is still under power ask to test it. Listen for motor noises in forward and reverse rotations. If it is a variable speed listen for a rattling noise through out the full range of speeds. This will indicate worn plastic bearings on the motor shaft and in the variable speed drive. Cheap fix and very common. Note motor horsepower when ordering replacements. If the noise was only evident at the highest speed then it is probably just out of adjustment. With the spindle off remove the inspection cover below the motor. Be careful to not tip it when removing. Look at the dust on the top or inside of the cover. You are looking for belt dust and belt cords. Good wear indicators for variable speed and timing belts. Some dust is typical and should not be confused with plastic shavings from parts that have been made on the machine. Long strands of belt or cord are an attention getter but not a deterrent. Good bargaining chip though. As you are removing the cover ask about the repair history for the mill. With the cover back on try out the power feed.

Note if a step head check the high and low range cam ring. This is done by switching between ranges and ending at low range. Spin the step pulleys and listen for a knocking or click noise. This would indicate the cam ring pins are loose/worn out or the ring is worn out.

With the spindle on and the quill released lower the quill about an inch or so. Adjust the micrometer nut to about 1/2" below the quill and start the power feed. Apply resistance to the feed with the quill handle to see if the clutch is good or slips easily. Noted by a clicking sound and a slight jump of the quill. Let the power feed run until it hits the micrometer nut to see if it trips off. Then raise the quill to about 1/2'" away from the top. Reverse the feed and test the same as before. Looking for holding power and tripping off at the top. If you must check the machine out with out power engage the clutch with the quill in the same positions as listed. pull down ward on the micrometer nut to test the trip mechanism for forward direction. push up to test reverse trip direction.

As for the rest of the machine check for wear in the ways and lead screw at the same time. With the table centered, and the X and Y axis locked check for back lash in the screws. Write it down. Now, unlock one axis only and twist the table to see how much play the is for each axis. An indicator helps greatly here. After checking an axis tighten its lock and loosen the other and repeat. Now move the table to the extreme left or right. Tighten the axis lock and check back lash on the screw. If it is the same as the center position then the screw is worn evenly. If it is .050 or greater in the middle then you may want to replace the screw. Do the twist test in the extreme position as well. That will tell you how worn the ways are. If it is close to the same the ways are in good shape and the play can be taken up with the gibs. Repeat for the opposite end of travel as well as for the Y-axis. The back lash on the screws should not be adjusted any tighter than about .007". Keep in mind that most people only use the center of the table and therefore most of the wear is in that area. Do not adjust gibs or lead screws in that position. They should be adjusted closer to the end of the machine travel. Otherwise when you wish to work on larger pieces you will not have full travel of the table. Worst case scenario, you break the adjusting screw under the table that retains the lead screw nut and your done for the day. Next check the Knee elevation nut for wear. Lock the knee in position. Turn the crank as if to lower the knee and see how much back lash there is on the dial. DO NOT UNLOCK THE KNEE UNTILL THE CRANK HAS BEEN RUN BACK UP TO SUPPORT THE KNEE! I doubt the seller would be very happy if he heard a thunk as the knee hits the elevating screw.

These are just some basics to get you started. If you have specific questions please contact me. I will be away from my computer until Monday so be patient for a response.

As for the value of the machine keep in mind that the type of power head makes a difference. To purchase a used step head style power head in my area is $750.00. A variable speed head is around $1200.00. Note that this is for a head and not the complete machine.

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Anonymous Poster
#19
In reply to #17

Re: Problem Finding Reasonably Priced Milling Machine

05/13/2009 10:44 PM

I have a lagun ftv variable head and trying to get imfo to how to tear it down. It makes noise down an up high.

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#20
In reply to #19

Re: Problem Finding Reasonably Priced Milling Machine

05/22/2009 10:08 AM

LAGUN REPUBLIC PH 800-421-2107 FX 310-549-1613

OFFICE HOURS

8:00am – 4:30 pm PST

Good luck. I have been having a hard time getting a live person to help me with my back ordered parts.

If it is a clicking sound then it is possible that the counterbalance spring on the lower motor pulley has popped off. I have seen this happen when the motor direction is reversed at higher RPMs. Check that before tearing into the head. Could save a bit of time and busted knuckles.

Procedure to remove motor and upper housing cover.

Remove the draw bar. Turn on the spindle and run it up to the highest RPM. Turn it off and then turn the speed adjustment to the lowest setting. Disconnect power, remove fuses, lock out/tag out. Unwire the motor if needed to allow it to be removed. Remove the bottom inspection cover below motor. Remove retaining screw in the middle of the vari-speed pulley. Lift out the motor. If the pulley will not slide off (typical) then you will need to rest motor on or near the vari-speed adjustment screw and slip the belt off of the pulleys. WATCH YOUR FINGERS. Use a screw driver if possible to slip the belt off but do not pry on it. With the motor out of the way, remove the socket head screws from the bearing cap (draw bar passes through the center of it at the top of the machine) reinstall them in the tapped holes in the bearing cap and jack the cap off of the bearing. Bring it off straight by turning each screw 1/2 to 3/4 turns each in sequence. Remove the speed adjustment mechanism by removing the 4 screws and leave the dial intact. Pay attention to which way the chain wraps around the shaft. Now move to the variable speed adjustment / calibration screw. Count the number of exposed threads above the jam nut and write that down. When reinstalling the screw later this will get you very close on the calibration in case you do not have a hand held tach. If you change the varispeed belt then this is no longer a good number. Remove the jam nut. Screw the adjuster down. It will get tight. At that point stop and remove all of the screws holding the upper and lower housings together. DO NOT remove the screws that mount the lower housing to the lower head. Now tap / gently pry / or other wise persuade the upper housing off of the locating dowels. With the housing free hold it up while screwing the adjusting screw down and out of the upper housing.

That's it, you're in.

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#13

Re: Problem Finding Reasonably Priced Milling Machine

08/07/2008 8:57 AM

Another possibility is any Defense Reutilization and Marketing Office (DRMO) auction. I'm sure the Canadian government has something similar. Military bases have machine shops and when they upgrade, reduce operations, close down, or otherwise make changes, the surplus goods are sold at auction. I've seen machine tools, laboratory equipment (including some spectacular microscopes!), and all sorts of goodies go for pennies on the dollar of new cost. I almost bought a LIDAR unit at one, once. Should've done so, too!

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#14

Re: Problem Finding Reasonably Priced Milling Machine

08/07/2008 11:21 AM

I have 6 Enco mills running next to our bridgeports with no problems. We have removed all the cranks and fitted the lead screws with stepper motors (Parker sys.)

The chinese mills keep the same 0.0002" as the good mills. For home use look for a good low cost used machine.

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Anonymous Poster
#16

Re: Problem Finding Reasonably Priced Milling Machine

08/07/2008 12:41 PM

As the original poster, all your input has been useful. And has given me more things to consider. Thx.

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Anonymous Poster
#18

Re: Problem Finding Reasonably Priced Milling Machine

08/09/2008 3:49 AM

I am a dealer. Please contact with us; henryzhang1@hotmail.com

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#21

Re: Problem Finding Reasonably Priced Milling Machine

07/23/2010 12:46 AM

Yes I have one, it is a Hero horizontal mill. it is the perfect size for garage use, about 5 ft tall. Has power feed table. It weighs about 2000 pounds or less so it will go in the back of a pick up truck. I live in nashville. Have some tools for it. It was used to cut keys most of its life. I bougt it at an auction and ended up winning both bids. Todd

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