Automation Repair Services in San Jose, CA

How many parts did the machine make before anyone noticed? That is the question that makes precision motion different from ordinary industrial motion. A servo axis in a San Jose equipment builder or electronics plant rarely announces its decline with an alarm. It drifts, a few microns of following error at a time, and the tool keeps running, producing parts that no longer measure the way they did last month.

IVS Incorporated has spent more than thirty years repairing servo motors, drives, and controllers, and proves every result under load before it ships.

San Jose runs on equipment that has to hold position, not just move

San Jose sits at the center of an industrial base built around semiconductor and electronics manufacturing equipment. Wafer handling platforms, deposition and etch tools, metrology and inspection systems, and die attach and wire bond machines are designed, built, and serviced here. Contract electronics manufacturers run high-speed pick-and-place lines, screen printers, reflow ovens, and optical inspection at tolerances measured in fractions of a millimeter.

Around that core is a dense supporting industry: laser and photonics manufacturers building beam delivery systems, medical instrument makers producing diagnostic equipment, advanced materials and coating operations, and the precision machining shops fabricating the frames and stages everything mounts to. Nearly all of it runs on closed-loop servo motion and is judged on repeatability rather than output.

Drift shows up in scrap before it shows up as an alarm

A servo system that is out of specification but not yet broken is the most expensive condition in precision manufacturing. Bearing wear introduces radial play a stiff control loop compensates for right up until it cannot. Encoder disks accumulate contamination and drop counts under acceleration. Resolver-to-drive alignment shifts a fraction of a degree after a coupling incident and commutation goes slightly wrong, costing torque and adding heat. In every case the machine still runs. It simply stops holding tolerance.

That is why spinning a servo motor unloaded on a bench proves almost nothing. Our motor work includes new bearings and seals, rotor balancing, machine work on shafts, bearing fits, endbells, and keyways, and complete feedback alignment so commutation is correct when the motor returns to the machine. Then we test functionally, under load, because the behavior that matters happens at torque and speed, not at idle. The twelve-month in-service guarantee that follows rests on verified performance, not on the absence of a fault code.

The problems that put San Jose tools on hold

• Servo motors losing positioning accuracy. Worn bearings, contaminated encoders, and misaligned feedback create following error and scrap before anything faults out.
• Amplifiers with intermittent behavior. Thermal drift in the power section or a failing current sensor produces faults that appear only during one move profile.
• Linear actuators and precision stages. Ball screw wear, backlash, and binding become lost repeatability on handling and inspection axes.
• Controllers and motion cards on legacy tools. Capital equipment outlives vendor support, and its axis cards eventually need component-level repair.
• Operator interfaces on cleanroom tools. Failed touchscreens and backlights on unsourceable panels stop a qualified process cold.

What happens after you ship a San Jose unit to us

1. Send the motor, drive, or controller to our Plymouth, Michigan shop with notes on the symptom and the axis.
2. We evaluate at no charge, checking feedback devices, bearings, and mechanical fits, not just electrical function.
3. A written quote follows, detailing the work and the price, and we wait for approval.
4. Once approved, we complete the repair and run full functional testing under load against specification.
5. The unit returns to San Jose with a twelve-month in-service guarantee.

Hardware we rebuild for San Jose facilities

• PLC and controller repair for motion controllers, axis cards, processors, and communication modules.
• Drive repair for servo amplifiers, spindle drives, VFDs, inverters, and precision power supplies.
• Motor repair for servo and spindle motors, gearboxes, and linear actuators, with balancing, bearings, seals, and feedback alignment.
• HMI and operator interface service for cleanroom tool panels, touchscreens, and industrial monitors.

Engineers responsible for uptime should read our PLC troubleshooting and maintenance guide for structured control system checks, and how to test a servo motor for the symptoms that indicate a degrading axis.

Why San Jose engineers trust our test bench

• Feedback alignment is standard, not extra. A San Jose servo that is mechanically sound but commutating wrong is still a bad motor, so we align every unit.
• Testing happens under load. Precision equipment fails at torque and speed, so that is where we verify it in house.
• Mechanical and electrical work together. Bearings, seals, balancing, and endbell machining happen alongside board-level repair.
• Deep brand coverage. Fanuc, Indramat, Kollmorgen, Yaskawa, Mitsubishi, Allen-Bradley, Siemens, Lenze, and SEW-Eurodrive come through routinely.

Talk to us about a San Jose repair

Tell us what the axis is doing and what it used to do, and we will tell you what is likely happening inside it. Call 734-261-8801 or request a quote.

IVS Incorporated — 750 Junction St, Plymouth, MI 48170 — 734-261-8801. Serving San Jose and manufacturers nationwide.