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| HURCO Discuss Hurco machines here. |
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#1
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Hello, We have had a VM1 running now from new for a while, now the warranty has just finished the 8k spindle decides to seize up and smoke comes out of the top on the warm up cycle. Rotating the spindle by hand feels lumpy and jerky. Just wondering what can be done to fix this or is it a new spindle, I am quite disappointed really it is a machine built to last but 2 years of use and the main spindle packs up. Not very good; has anyone else had similar problems? John |
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#5
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| We have contacted Hurco and a new spindle is £2500. The same spindle is used in the VM2 which we have also. |
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#6
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| Thank you all for your input. |
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#7
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| Two VM1 machines, the newer one died two weeks B4 warranty expired, defective from the start. Second machine which is now three and a half just went on me last week. Mostly aluminum, I was milling 15 parts with 100 islands 3mm in diameter, 5mm high, with a 2.5mm radius at the bottom and the cycle time was just over an hour. Yup the spindle gave up the ghost, It's the design of them, sealed for life bearings and no positive cooling. Heat, 8K RPM and centrificul force make the grease go bye bye and you are all done. A new one is $4600 and you can change it out in two hours taking your time. Hurco always has them in stock. Break the cost down per day and you will find that it isn't that expensive. Remember this is a great machine for not a lot of money. Its a cheap investment every 3 or 4 years or so. |
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#8
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| If you have the CD that came with your machine, there is an exploded view of the spindle. Looks like 4 total bearings. At this point, you have nothing to loose in taking it apart. If you don't have the IPL, I could email it to you in .pdf format. |
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#9
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| Yeah, you could do you own spindle repair, but how long will it last, Unless you know what the factory uses for preload and how they measure and adjust it you are taking a shot in the dark. We've all done bearings on our own BPorts, but this aint no BP. A new or rebuilt comes with a warranty, doing your own doesn't. Take your pick, let the pro's do it or get into the spindle repair business for a day. Repair it right once, or repair it twice for more money in the end. I'm not saying that you can't do it yourself but I for one am not a spindle rebuilder, nor do I have the option of downtime should problems arise or if it goes south in a week. |
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#10
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| I have had a look for the CD but all we have had from Hurco by the looks of it is paper instructions in a substantial folder. If you can mail me the pdf that would be fantastic. or attach it here to a reply you make. Thank you again for everyones help on this matter. John Last edited by bimjackal; 11-25-2008 at 01:08 PM. |
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#11
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You dont buy a car and expect to change the engine ever 3 years of normal usage do you. |
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#12
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| Here's an article on spindle bearings. Out of curiosity, how many hours are on the machine? I suspect the spindle life is a result of it being prepacked as opposed to running in constant oil lube. There's only so many hours in a prelubricated bearing, grease is going to break down. http://findarticles.com/p/articles/m...g=artBody;col1 |
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