Heidenhain ERN 1387 Rotary Encoder Optical Disk & Lens Refurbishment Pack
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- Heidenhain
- HDH-ERN1387-DISK
- 2,048 pulses per revolution
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Full depot overhaul · 3-phase industrial VFD
Full disassembly; all IGBT modules replaced; DC-link and bootstrap caps replaced; gate d...
Servo tuning + ripple analysis
Phase current waveform captured at 1 µs resolution; torque ripple analysed at 6f and 12f...
Drive panel EMC harmonic retrofit
Voltage and current THD measured with Hioki PW3390 analyser; active/passive hybrid filte...
CNC spindle drive repair & speed loop tuning
Faulty stage identified (IGBT/diode/capacitor) with diode tester and oscilloscope; repla...
Rayan Board assistant
Repair requests, order tracking, and technical advice
Rayan Board assistant
Repair requests, order tracking, and technical advice
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