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Alumina Ceramic Guide Bushings: Core Guiding Components For Precision Machinery

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    Buy cheap Alumina Ceramic Guide Bushings: Core Guiding Components For Precision Machinery from wholesalers
    • Buy cheap Alumina Ceramic Guide Bushings: Core Guiding Components For Precision Machinery from wholesalers

    Alumina Ceramic Guide Bushings: Core Guiding Components For Precision Machinery

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    Brand Name : Dayoo
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    Alumina Ceramic Guide Bushings: Core Guiding Components For Precision Machinery

    Alumina Ceramic Guide Bushings: Core Guiding Components for Precision Machinery

    Introduction
    Alumina ceramic guide bushings are precision mechanical components made from high-purity alumina (Al₂O₃) material, manufactured through advanced isostatic pressing and high-temperature sintering processes. This product features extremely high hardness, excellent wear resistance, and stable chemical properties, maintaining long-term dimensional stability and guiding accuracy under harsh working conditions, making it an indispensable key guiding component in precision mechanical equipment.

    Applications

    • CNC Machine Tools: Spindle guide bushings, guideway sliders, feed system positioning bushings

    • Automation Equipment: Robot guide bushings, conveyor line positioning bearings, precision transmission mechanisms

    • Measuring Instruments: CMM guide bushings, optical instrument positioning bearings, precision testing equipment

    • Automotive Manufacturing: Engine assembly guide bushings, transmission positioning bearings, automated production lines

    Advantages

    1. Super High Hardness: Vickers hardness ≥1700HV, wear resistance is more than 10 times that of bearing steel

    2. Extremely Low Friction Coefficient: Friction coefficient only 0.05-0.1, reducing power loss

    3. Excellent Dimensional Stability: Thermal expansion coefficient 7.2-8.0×10⁻⁶/℃, ensuring accuracy at high temperatures

    4. Corrosion Resistance: Resists various cutting fluids, lubricants, and chemical media

    5. Long Service Life: 5-8 times longer service life than metal bushings under same working conditions

    Specification Parameters Table

    Performance IndicatorUnitParameter RangeTest Standard
    Alumina Content%96-99.8ISO 14720
    Inner Diameter Accuracymm±0.002ISO 286
    Outer Diameter Accuracymm±0.003ISO 286
    Roundness Errorμm≤1.5ISO 1101
    Surface RoughnessRa≤0.2ISO 4287
    Thermal Expansion Coefficient×10⁻⁶/℃7.2-8.0ASTM E228
    Operating Temperature-50~1400

    Manufacturing Process
    Raw material selection → Formula optimization → Spray granulation → Isostatic pressing → High-temperature sintering → Precision grinding → Laser measurement → Ultra-precision machining → Quality inspection → Anti-rust packaging

    Usage Instructions

    1. Clean mating surfaces before installation, remove oil stains and impurities

    2. Use special installation tools, avoid direct impact

    3. Ensure proper fit clearance when matching with shaft (recommended H6/g6)

    4. Regularly check wear condition, inspect every 2000 operating hours

    5. Operating temperature range: -50℃ to 1400℃

    After-Sales Service

    1. 18-month quality guarantee period

    2. 24/7 technical support from professional team

    3. Free selection consultation and installation guidance

    4. Establish customer usage files, regular maintenance reminders

    5. 36-hour response for emergency orders

    FAQ

    1. Q: What level of dimensional accuracy can the product achieve?
      A: Inner diameter accuracy can reach IT4 grade, roundness error ≤1.5μm

    2. Q: Can it be used without lubrication?
      A: Yes, alumina ceramic has self-lubricating properties and can work under oil-free conditions

    3. Q: What is the maximum allowable operating speed?
      A: Maximum operating speed can reach 30000rpm, depending on working conditions



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