Electric Motor Reverse Engineering
A client from India experienced a failure of a torque motor on their CNC gantry machine. The machine had two identical electric motors — one failed. The machine was highly specialized for the client’s needs and over 30 years old. Unfortunately, the OEM manufacturer was no longer active in the market, so the client had no option to obtain new motors for the machine.
In such a case, the client might have had no other choice but to replace the entire manufacturing setup.
Potential cost of replacing the entire machine: over $100,000. This doesn’t even include the costs of halted production.
Our solution?
With 20 years of experience in electric motor service and refurbishment, we undertook a complete reverse engineering process:
1. Disassembly and Analysis — we examined every motor component
2. Winding Redesign — we optimized the layout for better efficiency
3. Magnetic System Upgrade — stronger magnets, better materials
4. Manufacturing of New Parts — housings, stators, rotors according to our designs
5. Testing and Calibration — we ensured proper operation with the CNC control
Result: Two brand new motors. With 10% more torque than the originals. From scratch. The savings were less than 20% of the cost of replacing the entire system.
Why is this important?
This case demonstrates why specialized motor knowledge is crucial in the industry:
• Manufacturers disappear — companies cease operations, parts vanish
• Machines are valuable — CNC machines can operate for decades if maintained
• Reverse engineering solves problems — not every failure is the end
20+ years of experience with electric motors shows. It’s not just about repair — it’s about understanding principles, innovation, and solving problems that seem insurmountable.