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Our Services

Customer Advantages

• Authorized Repair Center for
Most Major Brands & Manufacturers
• Emergency On-Call 24-7 Service (Including Holidays)
• Extensive Library of Newer & Older Hard to Get Prints
• Fast Precision Service Done Right
• Full Inspection Analysis Report

• Tier-One 4-Year Service Warranty
• Large Savings
(We’ll Beat any Competitor or Major OEM)
• Multiple Convenient Service Locations
(US, Canada & Mexico)
• On-site Same or Next Day Repair
• Available Nationwide Pick up & Delivery

Acme-Lead Screw and Nut Service (Repair or Re-man)

NNG can manufacture any type of conventional lead screw (Acme, Stub Acme, Centralizing Acme, or Trapezoidal), with capacities up to 8” diameter by 65 feet long. NNG has the engineering know-how, skilled machinists and equipment to assist you in your conventional needs.

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Actuator Sales and Repair (Hydraulic & Air)

Does your actuator leak oil or make unusual noises Does it run hot or is there coolant mixing with your hydraulic oil NNG Industries has the solution for you and can provide the most cost effective way to achieve optimal operating conditions

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Emergency Ballscrew Repair & Re-developtment

Are you facing challenges with your Ballscrew or have you experienced an accidental crash NNG Industries can provide you with valuable insights and effective strategies to tackle your pressing concerns

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Bearing Sales & Repair

Nachi, Timkin, NSK, SKF, FAG, NTN, THK, etc.

Save 20%–60% on bearing sales and repairs—plus avoid costly downtime.
NNG Industries specializes in Industrial Bearing Repair and new bearing sales, helping extend service life and reduce operational costs without compromising quality. Our expert technicians inspect, diagnose, and report on failures with a detailed 5-point analysis.

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Spindle Repair & Exchange

Mori Seiki, Mazak, Okuma, Doosan, Haas, etc.

Spindles are expertly repaired in a timely and cost-effective manner, ensuring they surpass OEM specifications for all makes and models.

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Robotic Arm Repair, Sales, and Service

NNG’s Field Service Agents are readily available to be dispatched to your location, arriving swiftly to assist you. With their extensive experience, they can efficiently troubleshoot and resolve robotic repair issues, ensuring you are back in production in no time.

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Tool Holders & Live Tooling

NNG INDUSTRIES provides comprehensive sales and service solutions for a diverse array of makes, models, and manufacturers.

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Turret Repair

Are you experiencing turret indexing issues that aren’t related to a crash NNG can offer you valuable insights and strategies for addressing rotary turret misalignment challenges

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Way Work

Including essential processes like grinding, scraping, fitting, and realigning

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Workholding & Automation

SMW Autoblok, Schunk, ATS Systems, ROHM Products of America, Kitagawa, Samchully, Nikken Solutions, Northfield, Folkardt, and more.

NNG INDUSTRIES provides a wide-ranging selection of sales and services for air hydraulic and manual chucks, actuators, tool holders, rotary tables, magnetic chucks and there components, safety valves, seal kits, and a vast assortment of parts compatible with any make or model from various manufacturers.

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Additional Services

Fluid Ends

Precision Under Pressure

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Gear Box Repair

Restoring Power. Rebuilding Confidence.

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Gear Manufacturing

Precision in Every Turn.

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Power Ends

Rebuilt for Pressure. Ready for the Field.

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Pumps

Built to Move What Matters.

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Slide Repair Service

Rebuilding the Backbone of Accuracy

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Way Covers

Built to Shield. Engineered to Last.

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Have a Question?

Mori Seiki Ball Screw Repair

NNG has become North Americas leading experts in Mori Seiki Ball Screw Repair; after all it's one of the best made and most common machines in the industry. Some of the problems we see in Mori Seiki Ball Screws is that they get pitted and loose in one section from the most used area in your production runs yet when you go further down the tail stock, tolerances get back to normal. Or after the years its develop rust and corrosion from sitting in coolant.

Do not order a new Mori Seiki Ball Screw, let NNG repair or exchange your unit in the Same or 3 days. NNG can and save you 50-70% possibly more from buying a new unit. Plus, you'll have a 4-year full service warranty on your Mori Seiki ballscrew covering all parts and labor.

Our Procedure:

NNG starts with a complete disassembly of your Mori Seiki ballscrew then the we check for straightness and repair as needed we will then precision grind your Mori Seiki Ball Screw till 100% clean to eliminate all uneven wear, in some cases others it may be perfectly fine and just need electro polishing. The correct method to servicing unit is to fully grind the raceways and let them spark out measure with our optical indicators to make sure all low and uneven spots are ground correctly. Now that your Mori Seiki Ballscrew is Straightened, and Correctly Ground we can re-harden screw back to spec and electro polish screw for smoothness. Also if bearing areas are worn the affected areas will be ground sprayed and ground back to ABEC specifications

Next step is to grind ballnut to match your screw NNG will grind (+/- .0002) till true clean up is reached now that both components are prepared for assembly the returns tubes will be inspected for any corrections repairs or replacement. Replacement will be done in house or we just might have them on our shelf. After that we can reassemble and install the unit with the correct oversize balls to compensate for what was ground off screw and nut assembly. Following the assembly NNG WILL lap the entire Mori Seiki ballscrew unit in with special compounds disassemble and clean after corrections are made and reinstall a fresh set of correct size grade 10 chrome steel balls.

The point of choosing NNG to service your Mori Seiki Ball Screw is that it will perform just like new in a reasonable time frame and all work is backed by a tier 1 warranty plan in the industry.

Make the right choice and choose NNG you and your machine will be glad you did

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