WTO Live Tooling Repair

WTO live tool, 4105607230, K01777-1.7

We offer WTO live tool repair services for all WTO precision tools.  Our repairs will typically cost 1/2, or less than 1/2 the price of a new live tool.  Plus, we can upgrade the original non-sealed bearing design, to a sealed / shielded bearing design at all bearing locations.  We keep bearings in stock for these live tools to allow us to keep pace with our repair volume.  Lead-time can be as short as 2-3 days.

  • Most live tools exceeding 0.001″ runout are due, or almost due, for a repair.  0.0008″ or less is the target runout for a live tool.
  • Live tools like to rest as long as they cycle at full speed or maximum load.  5 minutes is a typical maximum run time followed by a 5 minute rest.
  • 150 to 160F temperatures are common when running at full load.
  1. Disassembled and cleaned.
  2. Inspected dimensionally and visually.
  3. Quoted for repair.
  4. The spindles are assembled with new precision grade sealed / shielded bearings.
  5. If necessary, the spindle is ground to true the taper, and / or the bearing journals are plated and re-ground to proper bearing tolerance and total indicated runout.
  6. As required, the lower, middle and upper bearing housings may be bored, bushed, and reground to proper concentricity and dimensional tolerance.
  7. The spindles are re-assembled.
  8. The spindles are installed in the housing.
  9. The unit is run tested for 5-10 hours with testing of vibration, temperature, and noise levels

Why should you have your multi-spindle boring head, high speed right angle head, or other aggregate head, repaired by Ekstrom-Carlson?

  1. Lead-time: 1-2 Week average for multi-spindle heads, including tear down, inspection, quotation, and repair.  3-5 days for right angle heads and live tooling repairs.
  2. Price: Much lower price than the OEM, or the OEM distributor.
  3. USA repair: We repair the unit in Rockford, Illinois.  It is not shipped overseas, as is often the case for various machines.
  4. Parts repair: Where possible, we will save money by repairing motor spindles and gear spindle shafts.  Some manufacturer’s representatives will always quote a brand new unit if the unit drive shaft is damaged, or if the bearings require replacement.  75% of the time, we can save the original unit at less than 50% the cost of new.
  5. Sealed bearings when available and possible conversion to ceramic bearings.
  6. Free inspections.
  1. The condition of the machine before the rebuild along with accurately diagnosing any and all problems.
  2. Installing proper replacement parts including spindle grade bearings and parts with OEM tolerances that are known only to OEM’s such as Ekstrom-Carlson.
  3. Precision tolerance machinery and tooling including grinding, plating and balancing equipment.
  4. Experience and quality workmanship of the repair technician.

Live Tool Repair • Case Studies

WTO

410120045-60, K08-05152-1.2 DR7001622 Angular contact bearing DR7001343 Angular contact bearing DR7000409 Deep groove bearing DR7001328 Double row bearing DR7000925 Deep groove bearing DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits. The bearing housing inner [...]

WTO

414 532000-40, K-17-05186-1.1, 3000rpm DR7002286 Linear bearing DR7002285 Needle roller bearing DR7002249 Needle roller bearing DR7001179 Double row bearing DR7002284 Needle roller bearing DR7002287 Needle roller bearing DR7001854M Plate & Grind Journal - Manual spindle motor or live tool DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: Two [...]

WTO

410516026-55, K08-00228-1.1, 5000rpm DR7001727 Angular contact bearing DR7001328 Double row bearing DR7001127 Needle roller bearing DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits. The bearing housing inner diameter meets design specifications and shows no appreciable [...]

WTO

411016018-40, K08-01683-1.1 DR7001399 Angular contact bearing DR7002310 Angular contact bearing DR7001179 Double row bearing DR7001375 Needle roller bearing DR7002311 Needle roller bearing DR7002181 Dust grind seal area DR7000024 Bearing cap DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: The spindle journal diameters show no appreciable wear and are [...]

WTO

410126011-60, K07-00033-1.1 DR7000560 Angular contact bearing DR7001332 Angular contact bearing DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits. The bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required. [...]

WTO

413502001-60, K10-004121-1.2, 6000rpm DR7001343 Angular contact bearing DR7001304 Angular contact bearing DR7001206 Tapered Roller Bearing DR7002008 Double Row bearing DR7002254 Double Row Angular Contact DR7000009M Dust Grind Taper - Manual spindle motor or live tool DR7001854M Plate & Grind Journal - Manual spindle motor or live tool DR7000024 Misc. Seals / Grease / etc... DR7000041 [...]

WTO

410104053-40, K04-01221-1.1 DR7001554 Angular contact bearing DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits. The bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required. The taper runout is [...]

WTO

Variable angle live tool, 411010007-40, K97-801 5-1 DR7002203 Angular contact bearing DR7002204 Angular contact bearing DR7002205 Angular contact bearing DR7002206 Angular contact bearing DR7002207 Angular contact bearing DR7001954 Angular contact bearing DR7001533 Needle roller bearing DR7001375 Needle roller bearing DR7001854M Plate & Grind Journal - Manual spindle motor or live tool DR7000039 Bearing Cartridge Repair [...]

WTO

400540012-60, K15-04604-1.7, 6000rpm DR7001270 Tapered roller bearing DR7001343 Angular contact bearing DR7001179 Deep groove bearing DR7000068 Deep groove bearing DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: •The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits. •The bearing housing inner diameter meets [...]

WTO

420140010-60, K14-02240-1.04 DR7001270 Tapered roller bearing DR7001206 Tapered roller bearing DR7000024 Misc. Seals / Grease / etc... DR7000041 Spindle Repair Labor And Assy Inspection Results: •The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits. •The bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification [...]

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