About Us

Precision Spindle Repair Since 1994

Atlanta Precision Spindles has been rebuilding CNC spindles since January 1994. In thirty years, the work hasn’t changed — disassemble, inspect, understand what happened, fix it properly, test it, certify it, and send it back better than it was. What has changed is the breadth of spindles we work on, the depth of the team we’ve built, and the reputation we’ve earned by doing the work the right way every time.

A clean, organized workshop with tools and equipment.

We repair spindles for manufacturers across the United States, Canada, and Mexico — from cabinet shops running HSD electrospindles to aerospace facilities running Haas 5-axis machines to precision grinding operations with decades-old Hardinge lathes. The brand on the spindle doesn’t determine how we approach the rebuild. The same process applies to every job.

Harry Is Invested in Every Single Rebuild

Harry founded Atlanta Precision Spindles and has led every rebuild that has gone through this shop for over thirty years. That’s not a management role — it means every spindle that arrives here gets his direct attention, from the initial inspection through to certification and shipping.

What that looks like in practice: when a spindle arrives in rough shape, Harry’s first call is often to the manufacturer to check lead times on a replacement. If the replacement isn’t available, or the timeline or cost doesn’t serve the customer, he finds another way. That has meant rewinding stators, dusting rotors, regrinding shafts, recovering friction-welded spacers, and repainting housings with two-part industrial paint — work that most repair shops won’t attempt and some aren’t equipped to do.

The customers who’ve been sending spindles to Atlanta Precision for ten, fifteen, twenty years aren’t staying because of price. They’re staying because they know that when their spindle arrives here, someone who genuinely cares about the outcome is going to open it up.

A Team That Has Stayed Together

Harry isn’t the only one. Atlanta Precision has a team of skilled technicians who have been with the shop for decades — people who have worked on thousands of spindles and developed the kind of judgment that only comes from that volume of experience. In precision spindle repair, institutional knowledge matters. Knowing that a particular failure pattern on an HSD ES series spindle usually means contamination reached the rear bearings before the front ones showed symptoms, or that a specific Hardinge configuration is prone to thermal drift from a preload issue rather than a mechanical one — that’s not something you learn from a manual. It comes from years of opening spindles and seeing what’s inside.

That team stability is part of what allows Atlanta Precision to take on jobs that other shops decline. When a spindle arrives with damage that requires shaft journal grinding, housing correction, or stator rewinding, we have the people and the experience to evaluate whether the job is worth attempting and to execute it if it is.

The Process Behind Every Rebuild

Every spindle that comes through Atlanta Precision goes through the same sequence regardless of brand, size, or failure mode:

  • Complete disassembly and inspection — we find the actual cause of failure, not just the most obvious symptom
  • Multi-stage ultrasonic cleaning — bearing debris, contamination, and residue must be completely removed before reassembly
  • Component qualification — every component is measured, evaluated, and either re-qualified or replaced
  • Precision machining when required — shaft journal grinding, taper correction, housing work as the inspection dictates
  • Class 10,000 clean room assembly — final assembly in a controlled environment to prevent contamination during reassembly
  • Dynamic balancing before and after assembly — all rotating components balanced at both stages
  • Run-in, break-in, and thermal testing — the spindle runs at operating speed under monitoring before it leaves
  • Retention force verification — clamp force documented on every ATC spindle
  • Sensor presetting with certified master gage — proximity sensors and EM dimensions set and documented
  • Certification — the spindle leaves with documented results, not just a statement that it passed

When we upgrade from open steel bearings to sealed ceramic hybrid bearings during a rebuild — which we do when the application warrants it — that’s documented too. You know exactly what went into your spindle and why.

The Spindles We Repair

We repair spindles from virtually every major CNC manufacturer, including HSD, Anderson, Perske, Colombo, Omlat, SCM, Thermwood, Onsrud, Hiteco, Saccardo, Hardinge, Haas, Mazak, Matsuura, MultiCam, Heian, SKF, GMN, Fischer, Kessler, Weiss, IBAG, and many others. If it’s a precision spindle and it needs to be rebuilt, we’ve most likely seen it before.

We repair spindles for woodworking, composites, plastics, aluminum machining, precision grinding, high-speed milling, turning, and 5-axis aerospace applications. The breadth of experience across those environments is part of what makes Atlanta Precision useful when a spindle presents a failure that doesn’t fit a simple pattern.

The Drag Race Connection

If you’ve seen the drag race team page and wondered what it has to do with spindle repair — the honest answer is that the same instincts drive both. Precision under pressure, the discipline to do the job right when it would be faster to do it approximately right, and the satisfaction of building something that performs exactly as it should. The team is a reflection of the shop’s culture, not a departure from it.

Ready to send in a spindle? Contact Atlanta Precision Spindles or call (678) 225-7855. We’ll give you an honest evaluation before any work begins.

Shipping address: 1645 Lakes Pkwy. Suite E, Lawrenceville, GA 30043