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  • MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2
  • MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2
  • MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2
  • MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2
  • MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2
  • MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2
MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2
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MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2

  • >= 1 Pieces
    $20

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MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Absolute Positioning: Provides precise, unique position values for every physical location without requiring a reference point, ensuring reliable operation even after power loss or restart.
  • Servo Compatibility: Designed for high-precision servo applications, enabling accurate motor control and real-time position feedback in dynamic systems like CNC machines.

Key features

  • 1. Corrosion-Resistant Metal Construction

    • With a durable metal body (aluminum/steel), you can ensure long-lasting performance in industrial environments. This material outperforms plastic-bodied encoders in harsh settings*

  • 2. Absolute Positioning Technology

    • With built-in absolute positioning, you can achieve precise real-time tracking without requiring a homing cycle. This eliminates downtime compared to incremental encoders*

  • 3. Ultra-High Precision Accuracy

    • With ±0.1 arc-minute resolution, you can attain exceptional positioning precision for CNC machining applications. ~20% more accurate than standard industrial encoders*

  • 4. Continuous Industrial Reliability

    • Designed for 24/7 CNC operation, you can maintain consistent performance under heavy-duty use. Outlasts encoders lacking robust thermal management*

  • 5. Mitsubishi Electric Quality Assurance

    • Manufactured in Japan to Mitsubishi’s rigorous standards, you can trust compliance with global industrial safety and durability certifications. Meets or exceeds industry benchmarks*

Product details

MITSUBISHI Spindle Encoder OSA166S5 OSE17R-101 OSE104 OSA24R-C10 0SA676S5AS OHE 25K-6 OSA17 OSA18-B10 OSA24RS OSA104S2

The Mitsubishi Electric OSA104S absolute encoder is a high-precision spindle encoder engineered for industrial applications such as CNC machines. Built with durable metal construction and advanced absolute positioning technology, it ensures reliable operation in demanding environments. With features like servo compatibility and robust design, this encoder delivers precise feedback for critical manufacturing processes.

Technical specifications

FeatureSpecificationBenefit
Encoder TypeAbsolute EncoderMaintains position data without rehoming
MaterialAluminum/Steel (industrial-grade)Durable and resistant to environmental stress
Accuracy±1 arc-minute (0.0167°)Ensures high repeatability in CNC machining
InterfaceSerial/USB-compatibleSeamless integration with control systems
Environmental RatingIP67 (optional)Withstands dust, moisture, and vibration
Application ScenarioCNC machine spindle positioningEnables precise tool control and error-free manufacturing

Customization guide

Adjustable parameters include:

  • Mounting configuration (threaded base or flange mount) to fit diverse machinery
  • Communication protocol (RS485, Ethernet, or analog) for system compatibility
  • Environmental sealing (upgradable to IP67) for harsh industrial settings

Get inspired

The OSA104S series empowers precision manufacturing by providing real-time spindle position data. Whether optimizing robotic arms or ensuring micron-level accuracy in CNC milling, this encoder ensures consistent performance under heavy workloads.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Resolution1024 pulses/rev4096 pulses/rev16384 pulses/rev
Accuracy±3 arc-minutes±1 arc-minute*±0.5 arc-minute*
Max RPM6000 RPM10,000 RPM15,000 RPM
Environmental RatingIP54IP65IP67

Supplier's note

  1. Technical Breakthroughs:

    • Absolute Positioning: Eliminates downtime caused by homing cycles, boosting CNC productivity.
    • Triple-Sealed Design: The Pro model’s IP67 rating enables use in wet or dusty factories, outperforming standard IP54 encoders.
    • Low-Latency Feedback: Advanced models feature 0.1ms response time, critical for high-speed CNC applications.

  2. Optimal Version Selection:

    • Base Model: Ideal for small workshops needing cost-effective spindle monitoring (e.g., basic milling).
    • Advanced Model: Best for mid-tier CNC systems requiring faster RPM (e.g., 5-axis machining centers).
    • Pro Model: Suited for high-precision environments like aerospace manufacturing, where sub-arc-minute accuracy and IP67 durability are critical.

*Compared to industry benchmarks, the Pro Model offers 30% higher resolution and 50% better accuracy than standard encoders.

Frequently asked questions

  • Which Mitsubishi encoder model is best suited for high-precision CNC machine applications?

  • How do I ensure proper maintenance of the OSA104S encoder in industrial CNC environments?

  • What materials make the Mitsubishi OSA104S encoder suitable for heavy-duty CNC machinery?

  • Does the OSA104S encoder support servo motor compatibility for CNC systems?

  • What certifications or standards does the Mitsubishi OSA104S encoder meet for industrial use?

  • Can the OSA104S encoder be customized for unique CNC machine mounting requirements?

  • How does the OSA104S encoder improve reliability in CNC machine operations?

  • What advantages does the OSA104S have over incremental encoders in CNC applications?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Positioning AccuracyHigh-precision CNC machiningBase: 13-bit resolution (8192 positions/rev) ▲ (Industry: 12-bit / 4096). Advanced: 16-bit ▲▲ (65536 positions)Ensures precise part tolerancesHigher cost for advanced models
Environmental ResistanceHarsh industrial environmentsBase: IP67 (dust/waterproof up to 1m) ▲ (Industry: IP65). Advanced: IP69K ▲▲ (jet spray resistance)Operates in wet/oil-heavy conditionsRequires careful installation
Interface CompatibilityModern control systems integrationBase: RS-485 ▲ (Industry: Analog). Advanced: Ethernet ▲▲ (100 Mbps data transfer)Seamless PLC integrationBase may need signal converters
Mounting OptionsCustom machinery setupsBase: Threaded base ▲ (Industry: Basic mounts). Advanced: Customizable brackets ▲▲ (adapts to non-standard spindles)Easy installation on CNC spindlesAdvanced needs tailored brackets
Power RequirementsFlexible power setupsBase: 24V ▲ (Industry: 24V only). Advanced: 12–24V ▲▲ (universal voltage support)Works with varied power systemsBase lacks compatibility with 12V
Durability/LifespanHeavy-duty operationsBase: 100,000h MTBF ▲ (Industry: 50,000h). Advanced: 150,000h ▲▲ (longer service life)Reduces downtime and replacementsHigher upfront cost for advanced tiers

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