Oil Mist Lubrication
This customer has multiple Mazak VTC200B machines in their facility that were experiencing frequent spindle failures. We disassembled the first spindle and found that the design was very poor. The nut for the rear bearings was hydraulic and had the long shaft that attaches to the drive motor bolted to it. The problem with this setup occurs if there is any misalignment with the drive motor, any vibration in the drive motor or if any number of ground surfaces are not virtually perfect. Any flaws in these areas subjects stress directly to the rear bearing causing premature failure.
Insure your getting the maximum performance from your BIG PLUS tooling by having your spindles repaired by Northland Tool & Electronics.
To receive the maximum benefit from your BIG PLUS tooling your spindle must meet the same high quality standards you have come to expect from BIG PLUS. Northland Tool has worked closely with the engineers at BIG Kaiser to develop a repair program exclusively for your BIG PLUS spindles. Special care and attention will be given to the tooling interface, drawbar, bearing journals and balance, insuring that we provide the extreme accuracy required.
Mori Seiki SH500 BIG PLUS
This customer was referred to us by another of our customers. This spindle had been repaired several years ago and during that repair the taper was kiss ground. Unfortunately that made the BIG PLUS taper unusable. We were able to repair the taper to BIG PLUS standards and rebuild the spindle.
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One of our success stories in the aerospace industry comes from a manufacturer of wing spars. Their 5 axis machines were experiencing frequent spindle failures and it was taking the OEM in excess of 30 days to complete the repairs. This lead to them purchasing 2 spare spindles for each machine they were running. The first thing we did when we were called in was to perform an on-site evaluation. We met with the plant manager and the maintenance department to determine the scope of the problem and the goals for the spindle repair program.