Mori Seiki NH5000 Spindle Repair

Mori Seiki has been a mainstay in the machine tool world since 1948. They are known for quality and reliability. Mori Seiki spindles share the same qualities as the Mori Seiki machine. Mori Seiki spindles are built with longevity and quality in mind. Mori Seiki invests heavily in updating their spindle designs and provides it’s customers with one of the best machine tool spindles on the market today.

Northland Tool & Electronics repairs most every type of Mori Seiki spindle including Mori Seiki turning center spindles, Mori Seiki vertical machining center spindles, Mori Seiki multi axis turning center spindles, Mori Seiki horizontal machining center spindles and Mori Seiki CNC Lathe spindles.

Common Problems With Mori Seiki Spindles

Here are just a few of the actual failures we have found in Mori Seiki spindles. Mori Seiki spindles are very well built from the OEM and usually last for extended periods of time but eventually they wear out from use.

Some Mori Seiki spindles are made with specialty bearings that are designed to allow better lubrication flow to the raceways. Many independent spindle rebuilders modify the lubrication delivery system to allow them to use cheaper bearings. Northland Tool & Electronics only uses bearings that have the same design and quality characteristics as the OEM originals.

Northland Tool & Electronics is capable of repairing most every Mori Seiki spindle made including damaged ceramic tapers, damaged drive dogs, crashed spindles, electrical issues and most every cause of failure that may happen.

When sending in your Mori Seiki spindle for repair please include all of the rotating parts including the drawbar system. We like to balance everything as an assembly and make sure the drawbar system is functioning properly and has the correct tool holding force.



DETAILED CAUSE OF FAILURE

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More Case Studies

Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.

I really didn’t expect this; You guys really pulled it off! My many thanks to Sandy, Louis and your outstanding crew for helping us get back into production.

Dan Eaton, Taylor Metalworks

Lou all in all everything is running good. Just had a call from Sandy just the other day, its funny great minds think alike. Its great not to be sending spindles out on a regular basis since you addressed my problems, but I know they will still be coming sooner or later. Never a problem when we get them back , run better than new. Hope everything is ok there. Please tell everyone there that we here appreciate everything that you do to keep us up and running and the quick turnarounds. Have delt with the rest now deal with the best. Have a great week end and up and coming holiday.

Northland Customer

Thank you Debbie just received spindle today and WOW ! what a nice job. Can’t wait to use it. Thank the Northland team for us for a job well done 

Northland Customer

Both of the spindles that you repaired are on the machines and running great. We don’t have any spares for those grinders. We probably will not be purchasing a spare, as you have been able to turn around the repairs quickly and the price of a spare is cost prohibitive.

Northland Customer

I am writing to thank Northland Tool for going the extra mile and saving my company from expensive machine downtime and expensive repairs. We have always sent our Chiron spindles for repair as a shaft with bearings. None of our previous rebuilders pointed out the bearing fretting or the fact that the housing in the machine was out of tolerance and causing premature failure to the spindles. After Northland fixed the housings the spindles have never sounded as good or run as well! Great job guys!

Northland Customer

The detailed cause of failure reports and the expert technical advice that Northland Tool provides is bar none the best I have ever seen. We struggled to keep two of our large our milling spindles running for longer than 6 to 12 months. Northland Tools evaluation showed that the hydraulic nuts were not holding the assembly together causing premature spindle failure. We discussed this in detail and mutually decided to modify the spindle shaft to prevent this from occurring again. The first spindle we performed this on is still in the machine running like new after 3 years. That’s over three times the life of previous repairs and it’s still going strong. Easily over $40,000.00 of savings so far on that one machine and counting.

Northland Customer

Your people go above and beyond the call of duty when it comes to spindle repair. When we had difficulty with the spindle installation and we were able to talk directly to a spindle technician that helped us troubleshoot the issue it helped us out of a bind. We have sent several spindles to you and have nothing but great things to say.

Northland Customer

Thank you for your attention with my quick turn spindle repair. Your status updates allowed me to plan around machine downtime and I now know that you deliver on your promises. In the past other spindle repair vendors talked a big game and consistently failed to deliver. You not only delivered my spindle before the due date but you kept me informed throughout the entire repair process.

Northland Customer

You performed a miracle with my BIG PLUS spindle. After crashing the spindle severely damaging the taper we found that a replacement spindle was not only cost prohibitive but had a long delivery. Your repair was a fraction of the cost of new and you never would know that the spindle was damaged to the extent it was.

Northland Customer