Ball Screw Repair and Rebuild

dynatect ball screw repair and replace

Ball Screw Repair Service & Replacement

Dynatect LSI, formerly Lead Screws International, has over 30 years of experience in repairing and replacing precision screws. We've seen just about every type of screw, in every condition.

Our expert technicians can repair or rebuild your ball screw to save you money and extend the life of your old screw before a costly replacement becomes necessary.

We offer quick turnaround times and the flexibility to work with you on design in correcting any problems you may be experiencing. Contact Us About Repair

Need to get back up and running in a hurry? Please call ahead (800-298-2066) to make arrangements for emergency or expedited repair service.

Damaged Beyond Repair? If your ball screw is damaged beyond repair, we can manufacture a new one from prints or by reverse engineering.

No Prints? Our team of engineers can reverse engineer your ball screw assembly to meet your exact specifications.

Repair for (almost) Any Brand: 

  • Acme Screw or Lead Screws — We can repair them or replace them with a ball screw design.
  • Ball screws from any machine tool — no matter what make or model.
  • We have experience with the following brands: Mazak, Okuma, Mori Seiki, Haas, K&T, Bullard, G&L, Cincinnati, Leblond, Fellows/J&L, Devlieg, AM Broach, Clausing, Gilman, Heald, Kasper, Shoda, Kitamura, Lodge & Shipley, and Werth.
  • Note: We don't repair Star Linear SEM units with Adjustable Preload.

Types of Ball Screw Repair

Warranty Reload (Restored to “Like New” Condition)

  • The ball screw assembly cleaned and evaluated.
  • Visual and physical inspections of the unit are performed to determine if unit is re-loadable.
  • The unit is reloaded with new balls, tested, and inspected to ensure the unit is repaired to "like-new" operating characteristics.
  • Particular attention is paid to: Smoothness of operation, minimization of backlash, and minimization of dead-band condition.
  • Bearing journals, locknut threads, or keyways will be repaired upon customer request.
  • One year warranty
  • (Previously known as "Level 1 Reload"

Temporary Reload (No Warranty)

  • The ball screw assembly cleaned and evaluated.
  • Visual and physical inspections of the unit are performed to determine if unit is re-loadable.
  • The unit is reloaded with new balls, tested, and inspected.
  • "Like-new" characteristics cannot be entirely achieved.
  • No warranty
  • Previously known as "Level 2 Reload"

Regrind Screw & New Ball Nut

  • If after a thorough evaluation, it is found that the ball screw cannot be reloaded due to pitting, brinneling, and/or damage to interior or exterior of unit; then the unit could be refurbished by manufacturing a new ball nut and regrinding the existing screw to remove pitting and taper
  • One year warranty.

Sending In Your Ball Screw for a Free Repair Evaluation

Call Toll Free: (800) 298-2066 ~ Email: sales@dynatect.com 

We have two ball screw repair facilities to support your repair needs.

Please review our Screw Return Policy & Shipping Instructions before shipping.

Note: You may accrue a disassembly fee if the repair department has to disassemble components that are unrelated to the ball screw/nut assembly (i.e. bearings, housings, etc.). Once the disassembly fee has been received, we will proceed with your free evaluation of the ball screw assembly. The additional components will be shipped back to you disassembled from the ball screw assembly. Please contact sales prior to shipping in any units that will require disassembly of other components.

 Download Repair Services Flyer

 

Links

 ► ​Download Repair Services Flyer (PDF)

 ►  Screw Return Policy & Shipping Instructions

 ► Packing Slip (PDF)

 ►​ Contact Form

 ►​ Email

 ►​ Toll Free: 800-298-2066

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