SAVINGS THAT MATTER
Ranging for 60-75%
WARRANTY
4-year coverage
EMERGENCY DELIVERY
Same or Next Day
Emergency Spindle Repair for All Types!
Specializing in repairing CNC machine tool spindles for machining centers, turning centers, and grinding equipment. With our advanced in-house machining and grinding capabilities, we ensure fast turnaround on spindle repairs, including tapers, bearing journals, housing bores, and more. To minimize downtime, we stock precision bearings, seals, encoders, and other critical components, and our multi-spindle test stands—equipped with variable frequency drives—allow us to rebuild, test, and ship spindles efficiently every day.
12 Service Locations Throughout N.A.
For over four decades, NNG’s expert staff of highly skilled technicians have supplied complete inspection analysis and responsibly repaired various spindle issues.
Choose NNG Industries. Reduce your production downtime, extend the life of your machinery and its component, and receive full service and support around the clock with our extraordinary customer service and price-saving guarantee!
Exceptional Sales, Emergency Service, Delivery and Support
For reliable parts in STOCK and efficient exchange core solutions available, look no further than NNG Industries.
For more than forty years, NNG’s team of highly skilled technicians has provided comprehensive inspection analysis and expertly addressed a range of spindle issues through responsible repairs. By choosing NNG Industries, you can significantly reduce production downtime, extend the lifespan of your machinery and its components, and benefit from exceptional 24/7 service and support, backed by our commitment to outstanding customer service and cost-saving guarantees.
Industries Served
NNG is committed to providing exceptional service to a diverse array of clients.
Our experience and capabilities extend across a vast region of North America. We are experts in providing solutions for manufacturers facing the most challenging industrial obstacles.
- Aerospace
- Automotive
- Bearing Mfg
- Ceramics
- Machine Tools
Widely Trusted, and Highly Recommended!
With 45 years of experience collaborating with industry-leading manufacturers, we at NNG have built a reputation for excellence and reliability in delivering quality solutions.
- Doosan
- EMAG
- Eurotech
- Hanwha
- Hitachi
- Kia
- Mazak
Schedule Regular Maintenance – Avoid Unexpected Downtime
Here are some of the types we service
- Air-Bearing Spindle
- Ball Bearing Spindle
- Boring Spindle
- Drilling Spindle
- Facing Spindle
- Grinding Spindle
- High-Load Capacity Spindle
- Hydromatic Spindle
- Hydrostatic Spindle
- Low-Speed Spindle
- Milling Spindle
- Routing Spindle
- Turning Spindle
Unmatched Capabilities
If you’re facing problems with your spindle, trust NNG to provide the support you need to resolve the matter efficiently.
High Radial Load: Occurs when the machine feed rate is too fast for the material being cut or when high feeds are pushing a tool with chipped or very dull cutting edges. This is determined by the failure of the first of the front bearing pair.
High Axial Load: Occurs when the spindle suffers a high axial impact, such as plunging into the material rather than ramping in, or crashing into the work table. This failure is determined by the failure of the second of the front bearing pair.
Imbalance: Failures occur when the tooling used is not properly balanced or exceeds the recommended advised tool dimensions or weight limitations. This failure symptom is observed in the damage to the rear bearing pair.
Operative Actuation: The failure that occurs when the piston of the pneumatic actuator contacts the draw-bar while the spindle is still rotating. This can be caused by operator or programming errors.
The failure or adjustment of the proximity sensors to read the position of the draw-bar or the sensor or relay that senses shaft motion can also cause it.
Another possible cause is contamination of the pneumatic actuator or the exhaust muffler of the actuator. This failure is determined by the witness marks on the end faces of the actuator piston rod and the draw-bar nut.
Shorted Winding: This failure normally occurs when the spindle is not receiving the proper input power. In most cases, it is a result of the parameters of the frequency inverter not corresponding properly to the electrical characteristics of the spindle.
This is normally determined by conferring with the customer.
Tool Sticking In Taper: This is normally due to the transfer of heat caused by an over sized tool. It can also be caused by an improper ejection stroke of the draw-bar due to contamination in the actuator or broken springs in the draw-bar assembly. This is normally determined by the examination of the drawbar.
Tool Slipping In Taper: This is normally due to the transfer of heat from long heavy cuts, resulting in a thermally expanded or contracted tool taper. It can also be caused by an improper ejection stroke of the draw-bar due to contamination within the pneumatic actuator or broken springs in the draw-bar assembly. This is normally determined by the examination of the draw-bar.
Crash: This is normally caused by operator or programming errors. This failure occurs when the spindle is driven into the worktable or surrounding components on robot applications. This is determined by the physical damage of the shaft taper and spindle body.
Operative Actuation: The failure that occurs when the piston of the pneumatic actuator contacts the draw-bar while the spindle is still rotating.
This can be caused by operator or programming errors. The failure or adjustment of the proximity sensors to read the position of the draw-bar or the sensor or relay that senses shaft motion can also cause it.
Another possible cause is contamination of the pneumatic actuator or the exhaust muffler of the actuator. This failure is determined by the witness marks on the end faces of the actuator piston rod and the draw-bar nut.
Other issues: Spindle fails due to unusual circumstances, such as shipping damage, electric fan failure, electronic box malfunction, etc.
Discover Our unmatched Capabilities
Here’s What Sets Us Apart From The Rest
The NNG Network - We're Everywhere So We Can Service You Anywhere!
(US, Canada & Mexico)
Discover the convenience of our multiple state of the art service locations across the United States, Canada, and Mexico. At NNG Industries, we prioritize accessibility and efficiency, ensuring that our clients can access our exceptional services with ease, no matter where they are located.
Emergency On-Call 24-7 Service
(Including Holidays)
Experience peace of mind with our emergency on-call 24/7 service, including holidays. At NNG Industries, we understand the urgency of unexpected machine failure issues and are committed to being there for our clients whenever and wherever they need us.
Large Savings - We’ll Beat Any Competitor or Major OEM
Unlock substantial savings with NNG Industries—we guarantee to beat any competitor or major OEM. Our commitment to providing the best value extends beyond exceptional service and quality products; we also ensure that our prices are the most competitive in the market. Trust us to deliver superior results without compromising on affordability, saving you money while maintaining uncompromised excellence in every aspect of our offerings.
Fast Precision Service Done Right the 1st Time
Experience fast, precise service done right the first time at NNG Industries. We understand the importance of efficiency and accuracy in CNC manufacturing, which is why we prioritize delivering exceptional results without compromise. Our skilled technicians and state-of-the-art facilities enable us to complete projects swiftly and accurately, ensuring that every job is done right from the outset.
Exchange Program = No Downtime
Eliminate downtime with our innovative exchange program at NNG Industries. Our exchange program allows you to quickly replace damaged machines with fully working ones during your repair, ensuring seamless operations without any interruptions. By participating in this program, you can avoid costly downtime and keep your production running smoothly. Experience the convenience and efficiency of our exchange program, designed to minimize disruptions and maximize productivity for your business.
Over 45 Years Of Experience in Automation, and Liner Motion Technology
Benefit from 45+ years of unparalleled experience and expertise at NNG Industries. With a rich history of innovation, precision, and customer satisfaction, we have established ourselves as leaders in the CNC industry. Our decades of experience enable us to deliver exceptional quality, reliability, and efficiency in every project we undertake, setting us apart as your trusted partner for all your CNC needs.
Extensive Library of Newer & Older Hard to Get Prints
Tap into our extensive library of both newer and older hard-to-get prints at NNG Industries. We understand the importance of having access to a diverse range of technical drawings and specifications, which is why we have curated a comprehensive collection that includes the latest designs as well as rare prints that may be challenging to obtain elsewhere.
Full Inspection Analysis Report
Experience transparency and thoroughness with our full inspection analysis report at NNG Industries. When you entrust your equipment to us, our dedicated team conducts a comprehensive inspection, leaving no detail unchecked. From disassembly and cleaning to detailed analysis and diagnosis, we provide a comprehensive report that outlines the condition of your equipment, identifies any issues or potential concerns, and offers tailored solutions for optimal performance.
4-Year Service Warranty
Rest assured with our industry-leading 4-year service warranty at NNG Industries. We stand behind our workmanship and the quality of our services, which is why we offer an extensive warranty period to our clients. With this warranty, you can have peace of mind knowing that any issues or concerns with the services we provide will be promptly addressed and resolved, ensuring long-term satisfaction and reliability. Trust NNG Industries for superior service backed by a commitment to excellence that lasts for years to come.
All Under One Roof:
Complete O.D./I.D. Grinding, 3rd 4th & 5th Axis Machining, Milling (Manual & CNC) Electrical Discharge Machining (EDM), Industrial Plating & Thermal Spraying, Injection Molding, Precision Welding, 3D Scanning and Printing.
