Industry Leading Spindle RepairsSpindle Repairs

(Above: Spindle testing on site at a customer’s location)

Service Industrial Rebuilders has served countless customers in the United States repairing CNC equipment such as Warner & Swasey. Cincinnati Milacron, Haas, Kerney & Trecker, Giddings & Lewis, Lucas, Mori Seiki, Mazak, Okuma Daewoo, Ikegai, Hitachi Seiki, Karaki and others.

Spindle Repairs

Reconditioning of a spindle beings with a visual inspection and total indication run-out. Then we disassemble it, inspect and Magnaflux for cracks all internal parts including the bearings, bearing surfaces, taper, Bellville, washers, seals and seal areas. We grind the bearing surfaces and taper and apply hard chrome to these areas. Then these areas are finish ground to original specifications. Chrome is a harder substance than is usually used in machine steel (72 Rockwell on a C scale as opposed to approximately 48-50 Rockwell) giving you a longer lasting bearing and machine surface and thereby reducing wear. This will also extend the life of your live tooling. Then the spindle is reassembled with new bearing and Bellville washers, replacing any other worn internal parts as necessary, and the unit is tested.

Machining Capabilities

SIR has complete machine shop facilities, such as complete grinding (OD and ID), horizontal and vertical milling, large capacity lathese, boring, spline and hear hobbing and all types of welding on ferrous and non-ferrous metals.

I would like to thank you for your time and interest and we look forward to working with your company in the near future.

Understanding the Role of Spindles in CNC Machines

Significance of Spindles in CNC Machinery

Spindles are the heart of CNC machines, responsible for holding and rotating the cutting tools used in machining operations. Their high-speed rotation and precision directly impact the quality and efficiency of your CNC machining. Consequently, when a spindle fails or becomes damaged, it’s crucial to have a reliable Spindle Repair service on call.

Why Spindle Repair Is Essential

Over time, spindles can wear out or become damaged due to various factors, such as heat, contamination, or overuse. This can result in decreased machining accuracy, reduced operational efficiency, and in some cases, complete machine downtime. Therefore, timely and professional Spindle Repair is a vital aspect of maintaining your CNC machinery’s productivity and longevity.

Our Comprehensive Spindle Repair Process

At Service Industrial Rebuilders, we have designed our Spindle Repair process to be exhaustive and meticulous, ensuring that every spindle we restore achieves optimal functionality.

Initial Evaluation and Diagnosis

The first step in our Spindle Repair process involves a detailed evaluation of the damaged spindle. We perform a comprehensive diagnosis to identify the root cause of the problem, utilizing advanced diagnostic tools to ensure accuracy.

Complete Repair and Restoration

Once the issue is identified, our expert technicians proceed with the Spindle Repair. This could involve replacing worn bearings, correcting spindle alignment, or even a complete spindle rebuild, depending on the extent of the damage.

Final Testing and Quality Control

After the repair, we carry out rigorous testing to verify the spindle’s functionality and performance. We adhere to strict quality control standards, ensuring that our Spindle Repair services always meet or exceed Original Equipment Manufacturer (OEM) specifications.

Why Choose Service Industrial Rebuilders for Spindle Repair

Our Expertise and Experience

When it comes to Spindle Repair, Service Industrial Rebuilders stands apart due to our extensive knowledge and hands-on experience. Our team of skilled technicians brings together specialized training and in-depth understanding of spindle mechanics, enabling us to deliver efficient, reliable, and top-quality Spindle Repair services.

Quality Assurance

At Service Industrial Rebuilders, quality is more than a promise—it’s our commitment. We use only high-grade replacement parts in our Spindle Repair services, coupled with stringent quality control procedures. This commitment to quality ensures that our services consistently exceed OEM specifications, delivering lasting solutions for our clients.

Swift Turnaround Times

We understand that time is a critical factor in CNC operations. Prolonged machine downtime can have a significant impact on your productivity and bottom line. That’s why we prioritize speed and efficiency in our Spindle Repair services, ensuring your machinery is back up and running as quickly as possible without compromising the quality of our work.

Exceptional Customer Service

From your initial inquiry to the completion of the Spindle Repair, we strive to deliver a seamless and pleasant customer experience. We maintain clear communication throughout the repair process, always available to address your queries and concerns promptly and professionally.

Reach Out to Us for Your Spindle Repair Needs

At Service Industrial Rebuilders, we’re more than just a service provider—we’re a partner in your operational success. We understand the crucial role spindles play in your CNC machinery, and we’re dedicated to providing top-tier Spindle Repair services to keep your operations running smoothly.

hamper your productivity. Trust your CNC machinery with the experts at Service Industrial Rebuilders. Contact us today at (832) 364-7881 or visit our website at to learn more about our Spindle Repair services. We’re ready and eager to serve you!

Frequently Asked Questions about Spindle Repair

In this section, we address some of the most frequently asked questions about Spindle Repair. We hope these answers provide a clearer understanding of our services and how they can benefit your CNC operations.

What are the signs that my spindle needs repair?

Typical signs that your spindle may need repair include unusual noise, decreased machine performance, excessive vibration, or overheating. If you notice these or any other abnormal changes in your CNC machine’s operation, it’s best to seek professional inspection and possible repair.

How long does a Spindle Repair typically take?

The repair time can vary depending on the severity of the damage and the specific repair requirements. However, at Service Industrial Rebuilders, we’re committed to providing swift turnaround times without compromising on the quality of our work.

Do you provide on-site Spindle Repair services?

At Service Industrial Rebuilders, we understand that transporting heavy machinery can be logistically challenging and costly. To better accommodate your needs, we offer on-site Spindle Repair services whenever possible.


We hope this detailed overview of our Spindle Repair service has been informative and enlightening. Our dedication to quality, efficiency, and customer satisfaction sets us apart in the CNC repair industry. At Service Industrial Rebuilders, we’re not just a service provider—we’re your partner in maintaining the optimal performance and longevity of your CNC machinery.

Contact us today at (832) 364-7881 or visit our website at to learn more about our Spindle Repair services. We look forward to the opportunity to serve you!

SIRebuilders Rocks!

S.I.R. is VERY reliable and professional. Highly recommended for quality work with a very fast turnaround. Since the first successful job completed I will only use Service Industrial Rebuilders for all my repair needs. Jim has got me out of a lot of emergency machine down situations. He is my go to guy. Thanks!

Hollie Neal

Look no further...

If you are looking for a company this is committed to your business then look no further! SIR has been loyal to our company for many years. They are always on time, and go the extra mile for our company. We wouldn’t go anywhere else.

Daniel Huberth
US Industrial Rebuilders

Ball Screw RepairIndustries We Service

We have decades of experience meeting the stringent regulations and certifications for the automotive, aerospace and medical device industries, which serve as benchmarks for all of the products we manufacture.

Aerospace & Defense
Machine Tool
Furniture & Wood Processing
Power Generation
Material Processing

SIR have worked extensively with All These Industry’s. We can retrofit older equipment Acme screws to efficient ball screws during a CNC upgrade. Call us today to see how Service Industrial can help with your ball screw or conventional screw needs
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