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EDM Repair Services India

EDM (Electrical Discharge Machining) is a Swiss precision engineering leader specializing in wire EDM and sinker EDM machines that serve critical sectors across Indian manufacturing, automotive, aerospace, and tool-making industries. EDM's reputation for accuracy, reliability, and advanced control systems has made them a trusted choice among India's precision component manufacturers since the 1990s.

EDM (Electrical Discharge Machining) is a Swiss precision engineering leader specializing in wire EDM and sinker EDM machines that serve critical sectors across Indian manufacturing, automotive, aerospace, and tool-making industries. EDM's reputation for accuracy, reliability, and advanced control systems has made them a trusted choice among India's precision component manufacturers since the 1990s.

Synchronics repairs the complete EDM electrical control ecosystem — power supplies, servo drive units, electrode wire feed systems, flushing pressure regulators, and control consoles for wire and sinker EDM machines. Our 180+ engineers have successfully diagnosed and repaired EDM generator faults, servo servo positioning errors, and electrical safety violations affecting hundreds of Indian manufacturing plants across Tier-1 automotive suppliers and precision job shops.

Synchronics specializes in EDM power supply and servo motion control repair across India.

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6 Mo
Repair Warranty
32+
Years Experience
Repair Expertise

EDM Product Lines We Repair

Our engineers are trained on the full EDM product range. Below are the major product families we service.

EDM Wire Cut Systems

Wire EDM machines requiring precision servo motor control, electrode wire tension feedback, and high-frequency pulse generator repair. Common issues include wire break detection failures, servo axis instability, and power supply regulation drift affecting cut surface finish.

Fanuc-equipped EDM Wire SeriesSiemens Control EDM Wire SystemsCustom Sinker-to-Wire Conversion Units

EDM Sinker (Ram) Machining Controls

Sinker EDM machine servo systems controlling electrode ram positioning, gap voltage monitoring, and flushing flow regulation. Typical repairs include servo tuning drift, gap sensor calibration loss, and electrode wear detection circuit failures.

EDM Sinker Servo DrivesGap Monitoring Power SuppliesElectrode Feed Servo Units

EDM Power Supply & Generator Units

High-frequency power generation and regulation modules delivering controlled spark energy. Faults include capacitor bank degradation, transformer winding shorts, rectifier diode failure, and pulse frequency instability causing poor edge quality.

Pulse Generator ModulesHigh-Voltage Rectifier AssembliesFrequency Control Circuits

EDM Servo Motion & Positioning Systems

Multi-axis servo drives controlling X, Y, Z electrode positioning and feed rates. Repair focus includes servo encoder faults, axis synchronization errors, and spindle taper runout compensation circuit failures.

XYZ Servo Drive StacksSpindle Encoder ModulesAxis Amplifier Boards

EDM Safety & Interlock Circuits

Electrical safety systems including emergency stop circuits, machine enabling modules, and fault detection relays. Common failures are relay contact welding, voltage transient damage, and loss of safety certification due to component aging.

Safety Relay ModulesEmergency Stop Controller BoardsFault Detection Circuits

EDM Flushing & Coolant Control Systems

Pressure regulation and flow monitoring circuits for dielectric flushing during machining. Failures include pressure sensor drift, solenoid valve coil opens, and flow meter signal loss affecting machining surface finish.

Pressure Control ModulesFlow Solenoid DriversDielectric Circulation Pump Controls
Why Us

Why Choose Synchronics for EDM Repairs?

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PCB-Level Expertise

We repair down to the component level — not just swap boards. Our engineers identify root causes, replace failed IGBTs, capacitors, processors, and gate drivers on EDM equipment.

Fast Turnaround

Standard 7–10 working days. Express 3–5 days available for critical breakdowns. Emergency same-day/next-day service for unplanned downtime.

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6-Month Warranty

Every repaired unit ships with a 6-month comprehensive warranty on parts and labour. Our repair success rate is over 94% across all brands.

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All-India Service

Couriered repairs accepted from any city in India. Doorstep pickup available in Vadodara, Mumbai, Pune, Ahmedabad, Surat, Chennai, and more.

Diagnosis

Common EDM Equipment Faults We Fix

Based on 30+ years of repair data, these are the most frequent failure modes we see in EDM equipment arriving at our workshop.

  • Servo axis instability and lost axis positioning accuracy — EDM servo encoders accumulate magnetic interference from high-frequency pulse generators, or servo amplifier gain parameters drift due to thermal aging. X, Y, Z position feedback becomes unreliable, causing electrode-to-workpiece distance loss.
  • Wire break detection failure and uncontrolled electrode advance — Wire tension sensor or wire break relay contact deteriorates from spark erosion or mechanical fatigue. EDM power supply fails to detect open circuit condition, allowing electrode to crash into workpiece at rapid feed rate.
  • Power supply frequency drift and poor surface finish quality — EDM pulse generator frequency reference oscillator drifts due to capacitor aging or transformer secondary tap connection looseness. Discharge frequency falls below optimal cutting frequency, resulting in excessive recast layer and micro-cracks on machined surface.
  • Gap voltage sensor signal loss and automatic retract failure — Gap voltage sensor connectors oxidize or connector pins bend due to vibration in the machine enclosure. EDM control loses gap feedback, triggering false electrode retract commands or allowing voltage runaway during high-current pulses.
  • Flushing pressure control solenoid coil failure and debris accumulation — Dielectric fluid contamination or high-voltage transients induce solenoid coil shorts. Loss of flushing pressure allows spark debris (electrode and workpiece particles) to accumulate in the gap, causing wire breakage and machining defects.
  • Safety relay contact welding and emergency stop unresponsiveness — High inrush current during EDM pulse generation causes electrical stress on safety relay contacts. Contact material welds under arcing conditions, preventing relay from opening circuit when emergency stop is pressed or machine fault detected.
Process

How We Repair Your EDM Unit

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Step 1

Receive & Log

Your unit is logged into our tracking system with a unique job number. You receive WhatsApp / email updates at every stage.

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Step 2

Fault Diagnosis

Board-level diagnosis using oscilloscopes, LCR meters, and thermal cameras. Root cause identified before any repair begins.

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Step 3

Component Repair

Faulty ICs, capacitors, MOSFETs, IGBTs, and gate drivers replaced with genuine or equivalent-spec components.

Step 4

Full-Load Test

Unit tested under rated load with original or equivalent motor. All parameters verified. 6-month warranty issued.

Sectors

Industries Using EDM Equipment

We serve plant maintenance teams across all major industries where EDM automation is deployed.

Automotive precision component manufacturing (fuel injectors, transmission parts, hydraulic valve bodies)Aerospace and defense (turbine blade roots, landing gear fasteners, titanium aero-engine components)Tool and die manufacturing (cavity inserts, electrode design dies, progressive die components)Medical device manufacturing (surgical instrument blanks, implant precision features)Electrical connector and terminal manufacturing (contact precision shaping, micro-feature machining)Hydraulics and pneumatics (spool valve bore finishing, cylinder head counterbore precision)Heavy equipment and earthmoving machinery (fuel system component precision drilling, seal bore finishing)
FAQ

Frequently Asked Questions — EDM Repairs

Do you repair EDM equipment anywhere in India?+

Yes. Synchronics repairs the complete EDM electrical control spectrum — power supplies, servo drives, safety relays, gap sensors, wire feed systems, and flushing controls. We offer door pickup and delivery across India from our Vadodara, Gujarat facility. Same-day turnaround available for urgent power supply and servo drive repairs affecting automotive and aerospace precision shops.

Can you repair my EDM machine's servo drive and encoder system if it's not an original EDM component?+

Absolutely. Many Indian precision shops retrofit EDM machines with Fanuc, Siemens, or Yaskawa servo drives to improve performance. Synchronics repairs and recalibrates these third-party servo systems as integrated components within the EDM control architecture. We have cross-brand expertise ensuring servo tuning parameters match EDM power supply dynamics and wire feed specifications.

What is causing my EDM wire cutter to produce a heavy recast layer and micro-cracks on finished surfaces?+

Recast layer buildup typically indicates pulse frequency drift below optimal EDM cutting frequency (usually 200-500 kHz depending on wire gauge and material). This causes larger sparks with higher energy density, increasing thermal stress on the machined surface. Synchronics measures your pulse generator frequency against calibration standards and adjusts oscillator tuning to restore surface finish quality. We also verify gap voltage stability and flushing pressure regulation — both critical to controlling spark energy.

How often should EDM power supplies be serviced to avoid downtime in our manufacturing plant?+

Synchronics recommends annual preventive maintenance on EDM power supplies operating in Indian manufacturing environments — higher humidity and dust contamination accelerate capacitor aging and component oxidation compared to European conditions. We perform frequency calibration, dielectric strength testing, and thermal imaging to identify aging components before failure. Most automotive suppliers and Tier-1 shops schedule this during planned production shutdowns to minimize impact.

Your website mentions EDM repair — does this include wire tension feedback systems and wire break detection circuits?+

Yes, wire tension and break detection are core EDM electrical systems we repair. We test and calibrate wire tension sensors, replace worn relay contacts in break detection circuits, and verify signal integrity across the wire feed servo loop. Many wire EDM faults originate in these circuits — failed sensors cause uncontrolled electrode advance and costly workpiece damage. Synchronics has dedicated test equipment for wire EDM-specific diagnostics.

How do I send my EDM unit for repair?+

Pack the unit securely and courier it to our Vadodara workshop. Include a note with the fault description and your contact details. We will log it into our system and WhatsApp you a job number within 24 hours of receipt. Doorstep pickup is available in Vadodara, Ahmedabad, Surat, Mumbai, and Pune.

What is the cost of repairing a EDM drive or PLC?+

Repair cost depends on the model and the fault. We offer a free diagnosis — once we identify the fault, we provide a fixed quotation before proceeding. Typical repairs cost 20–40% of the new unit price. We will never repair without your approval.

What warranty do you provide on EDM repairs?+

All repaired units carry a 6-month comprehensive warranty covering the same fault and related issues. If the fault recurs within the warranty period, we repair it free of cost.

Do you provide a no-fix, no-fee guarantee?+

Yes. If we cannot repair your EDM unit after diagnosis, you pay only the diagnosis fee (₹500–₹1,500 depending on the product). The unit is returned to you at no additional charge.

EDM Repair Catalog

No products found for EDM

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Don't See Your EDM Model Listed?

We repair the full range of EDM industrial electronics — even if the specific model is not yet in our catalog. Send us the unit details and we'll confirm repairability within 24 hours.

Free evaluation • 6-month warranty • PAN India pickup

32+
Years in Business
80,000+
Units Repaired
150+
Workstations
4.8★
682 Reviews
Trusted Since 1994 · ISO Certified · 32+ Years

Get Your Equipment
Back in Action — Fast

Send us your faulty industrial electronics. Our engineers will diagnose it and provide a detailed quote within 24 hours — with no obligation to proceed.

Free Evaluation

No obligation

48hr Turnaround

Fastest in India

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6-Month Warranty

Every repair

No Fix, No Charge

Zero risk policy

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Pan-India Pickup

Doorstep service