Usługi
Spindle ServiceElectrospindle ServiceSpindle Removal and InstallationSpindle Condition AnalysisSpindle Taper GrindingIn-Machine Spindle Taper GrindingSpindle Bearing ReplacementSpindle Drawbar RepairElectrospindle Motor Rewinding and RepairSpindle Encoder, Resolver and Sensor ReplacementSpindle Cooling System ServiceSpindle Tool Clamping Force Measurement and CalibrationSpindle BalancingSpindle Geometry Alignment
Serwis Wrzecion
Serwis Wrzecion Obrabiarek

Lorem ipsum dolor sit amet consectetur adipisicing elit. Obcaecati est et iure facilis facere error. Nostrum, hic optio quidem non eaque, cupiditate, incidunt ipsum eius a quas expedita saepe atque!

Najnowsze Realizacje
ALT

Serwis wrzeciona HSD ES 919 Serwis wrzeciona HSD ES 919
ALT

Serwis wrzeciona Homag SKF
ALT

Serwis wrzeciona Franz Kessler
ALT

Serwis wrzeciona Chiron FZ
Projects

Lorem ipsum, dolor sitrum! Error dicta reiciendis neque dolorum modi perspiciatis blanditiis!

Najnowsze wpisy
ALT

Serwis wrzeciona HSD ES 919

Lorem, ipsum dolor sit amet consectetur adipisicing elit. Architecto dolorum odio unde libero impedit, ipsam eos eius laborum, qui atque quos veniam fugiat esse sint quo iure alias iste veritatis.

ALT

Serwis wrzeciona HSD ES 919

Lorem, ipsum dolor sit amet consectetur adipisicing elit. Architecto dolorum odio unde libero impedit, ipsam eos eius laborum, qui atque quos veniam fugiat esse sint quo iure alias iste veritatis.

Blog

Lorem ipsum, dolor sitrum! Error dicta reiciendis neque dolorum modi perspiciatis blanditiis!

ALT

DMG Mori spindle service

Comprehensive DMG Mori spindle service is an efficient and professional way to restore your spindle's full operational capacity. We perform a complete range of service operations, including dismantling and re-mounting, bearing replacement, drawbar repair, taper regeneration, cooling system and sensor service, as well as testing and balancing – ensuring the spindle operates stably, quietly, and precisely.

  • Free quote within 24 h:
    Initial cost estimate and recommended scope of work
  • Urgent mode 24-48 h:
    Priority completion (if diagnosis and part availability allow)
  • Post-service testing:
    RMS/FFT, runout, noise, and temperature during operation
  • Up to 12 months service warranty:
    Variant tailored to the scope of work

When to order a DMG Mori spindle service? symptoms and consequences of further operation

Precision Spindle Service DMG Mori

We are not an authorized DMG Mori service center. The DMG Mori name/logo is used for informational purposes only. All rights to trademarks belong to their respective owners.

The German brand DMG Mori is associated with precision finishing of teeth and profiles – including grinding in applications where microns, repeatability, and stable operation at high speeds matter. In such applications, critical factors include bearing condition, runout control, efficient drawbar operation, and correct cooling, as these directly translate into process quality and durability.

Over time, even a functional spindle loses its parameter reserves – influenced by loads, operating time, and process conditions. Most often, the first symptoms concern bearings, the taper, or the drawbar, and sometimes deviations in the measurement path (encoder/sensors) occur. A quickly performed Spindle Condition Analysis allows for confirming the cause, stopping the escalation of damage, and limiting the risk of downtime.

Here are the most common symptoms indicating the need for service:

Vibrations and drop in machining stability

chatter, surface marks, dimensional deviations – usually increasing within specific RPM ranges.

Overheating and accelerated bearing wear

elevated temperature, friction, deterioration of stability during longer cycles and continuous operation.

Noise, whistling, concerning sounds

howling during acceleration or at operating speeds – a typical sign that the bearing assembly requires verification.

Tool holding issues

drop in clamping force, runout on the tool holder, marks on the taper – it is worth checking the drawbar and taper condition.

DMG Mori spindle service step-by-step scope of work

We guide every DMG Mori spindle through a structured diagnostic and repair scheme – from assessing reported symptoms to final testing. This allows us to restore operational parameters, reduce vibrations, and ensure stable machining.

Dismantling from the machine and inspection

The start of the process involves two important steps: Spindle Removal and Installation and Spindle Condition Analysis – we check, among others, clearances, noise, temperature, vibration levels, and runout. Based on the results, we quickly decide whether the problem concerns mechanics, the drive, or is a result of operational wear.

Replacement of worn parts and repairs

Only after diagnostics do we choose the repair scope – so as to remove the cause, rather than just "silencing" the symptoms. Depending on the condition, we realize Spindle Bearing Replacement and Spindle Drawbar Repair, and for drive-side faults, also Electrospindle Motor Rewinding and Repair. We plan the entire process for stable spindle operation in production conditions.

Spindle taper grinding

When the taper is worn, shows signs of overheating, or tool runout is visible, we perform Spindle Taper Grinding. Depending on the situation, we carry this out at the service center or as In-Machine Spindle Taper Grinding – when minimal downtime is critical and conditions allow for safe execution on-site.

Replacement of encoders, resolvers, and sensors

We verify measurement and signaling components that affect stability and speed control. We carry out Spindle Encoder, Resolver and Sensor Replacement to eliminate reading errors, alarms, and positioning issues.

Spindle cooling system service

We clean the cooling system and check its tightness and flow (air/liquid). Spindle Cooling System Service helps maintain temperature in the norm, limit overheating, and extend the life of bearings and seals.

Spindle balancing

After repairs, we perform Spindle Balancing to lower vibrations in working speed ranges. This directly translates into cutting stability, surface quality, and bearing assembly durability.

Assembly, geometry, and clamping force

The final part of the process includes Spindle Removal and Installation and settings control. If needed, these are supplemented by Spindle Geometry Alignment and Spindle Tool Clamping Force Measurement and Calibration to ensure correct tool guidance and a lasting service effect.

Individual services - without full service

Selected services can be performed independently, without a full overhaul process – e.g., motor rewinding and repair, measurement and calibration of clamping force, sensor and encoder service, cooling system service, or spindle balancing. We confirm the scope after a brief symptom verification.

ALT ALT
ALT

Time and logistics of DMG Mori spindle service how we perform the repair

Time

Usually 5-10 business days from scope approval; urgent mode possible after assessment of the fault and part availability.

Mode

We perform the service mainly at our facility (diagnostics, repair, and testing). In selected cases, it is possible to perform part of the work at the customer's site.

Transport

We usually handle transport via courier with proper securing. We can also organize collection and delivery after service using our own transport.

Safety

Before returning the unit, we check guards, cleanliness, and mounts, and then perform control measurements of temperature and vibrations after the service.

Documents

Upon completion of work, we provide a test protocol (RMS/FFT, runout, noise, temperature) and brief recommendations that help maintain stable spindle operation in use.

What to send for a quote

DMG Mori model/type, RPM range, description of symptoms, and operating conditions – this allows us to confirm the scope and completion time.

Why DMG Mori spindle service
translates into quality and production continuity

Consequences of delaying DMG Mori spindle service:

  • Deterioration of surface quality and drop in repeatability

    vibration marks increase on components, the finish ceases to be even, and maintaining dimensions begins to require many reworks.

  • Higher tool wear and rising costs

    tools lose sharpness and geometry, the risk of chipping appears, and under load, the process becomes less predictable.

  • Growing risk of secondary failures

    overheating and runout occur, downtime increases, and the repair can be more expensive as the failure starts to affect subsequent components.

A DMG Mori spindle with signs of wear or misalignment often results in vibrations, dimensional deviations, and deterioration of the surface. When bearings lose their parameters, the taper is worn, or the drawbar does not provide the correct force, the drive load increases, and machining stability drops. The best starting step is Spindle Condition Analysis – it allows for precisely indicating the source of the problem and selecting actions adequate to the cause.

Comprehensive DMG Mori spindle service combines measurements, mechanical and drive work, corrections, and final tests – in order to actually limit vibrations and return to stable parameters. Depending on the construction, we select the appropriate path: it can be Spindle Service or Electrospindle Service, so that the spindle operates reliably in the working RPM range and maintains repeatability in production.

Frequently asked questions about DMG Mori spindle service

Yes – we support a wide range of DMG Mori spindles, including air-cooled and liquid-cooled solutions. Depending on the construction, we select Spindle Service or Electrospindle Service. The final scope is confirmed after diagnostics.

Usually 5-10 business days from scope approval. The term may be extended if drive-side actions are needed (e.g., Electrospindle Motor Rewinding and Repair) or when additional damage is revealed after dismantling and the scope needs to be expanded.

We most often choose courier shipping – it is vital to secure the taper and connectors and firmly stabilize the spindle in the package. If you need, we will provide simple packing guidelines and help choose an insured shipment. We can also organize a door-to-door service: spindle collection, service, and safe return after repair. If required, we also perform Spindle Removal and Installation, so that the entire process is consistent and safe.

After initial assessment, we prepare a scope and cost estimate based on measurements. The basis is Spindle Condition Analysis (including vibrations, runout, noise, temperature) – so the quote results from diagnostics, not just a symptom description.

A full process is not always necessary. We can perform individual operations if diagnostics confirm a specific cause – e.g., Spindle Bearing Replacement, Spindle Tool Clamping Force Measurement and Calibration or Spindle Balancing. This is a good solution when the other components are in good condition.

ALT

Free DMG Mori spindle repair quote within 24 hours

We perform comprehensive DMG Mori spindle service – from diagnostics to testing and measurement reports. To prepare a quote, please send as much information as possible: spindle model/type, RPM range, description of symptoms (vibrations/noise/overheating) – more data ensures a more accurate quote.

  • Effect:
    Stable operation and repeatable machining quality in the working RPM range
  • Protocol:
    Measurement results after service (RMS/FFT, runout, noise, temperature)
  • Accurate diagnosis:
    Technical condition assessment and recommendations when the cause of the problem is complex
  • Lead time:
    Standard 5-10 business days, urgent mode after agreement
  • Effect:
    Stable operation and repeatable machining quality in the working RPM range
  • Protocol:
    Measurement results after service (RMS/FFT, runout, noise, temperature)
  • Accurate diagnosis:
    Technical condition assessment and recommendations when the cause of the problem is complex
  • Lead time:
    Standard 5-10 business days, urgent mode after agreement