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  • Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery
  • Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery
  • Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery
  • Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery
  • Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery
  • Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery
Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery

Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery

  • 100 - 299 Pieces
    $5.20
  • 300 - 499 Pieces
    $5.10
  • >= 500 Pieces
    $5

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Transmission & Load Handling: Designed for high-torque applications in construction machinery, enabling precise rotational movement through a spur gear tooth profile.
  • Dual Configuration: Combines internal and external rotary rack features to support both inward and outward mechanical systems, enhancing adaptability for complex machinery.

Key features

  • 1. Material Technology

    • With high-grade steel material and die-casting processing, ensure robust durability and structural integrity under heavy loads. ~30% stronger than cast iron alternatives*

  • 2. Precision Engineering

    • With a precise spur gear tooth profile, enable smooth and efficient power transmission with minimal noise, reducing operational disruptions in mechanical systems.

  • 3. Custom Performance Adaptability

    • With nonstandard customization capabilities, adapt to specific torque and load requirements of heavy-duty machinery, offering up to 25% better load capacity than standard gears*

  • 4. Scenario-Specific Design

    • Designed for construction machinery, handle high-load operations in rugged environments, ensuring reliable performance in demanding applications like heavy equipment and industrial machinery.

  • 5. Certification Compliance

    • Complies with industrial gear manufacturing standards, ensuring safety and reliability in mechanical systems*

Product details

Quality 250Mm Internal Inner and External Rotary Rack Ring Spur Gear for Construction Machinery

The Quality 250mm Internal/External Rotary Rack Ring Spur Gear is a robust, nonstandard steel gear engineered for heavy-duty construction machinery. Designed with precision die-casting and a spur gear profile, it ensures reliable power transmission and durability in demanding industrial environments.

Technical specifications

FeatureSpecificationBenefit
MaterialSteelHigh strength and corrosion resistance for long-term use
ProcessingDie CastingSuperior structural integrity and uniformity
Tooth ProfileSpur GearSmooth, low-noise operation for precise meshing
Size250mm DiameterCustomizable to fit specific mechanical systems

Customization guide

Adjustable parameters include:

  • Tooth Pitch/Configuration: Tailored to achieve desired torque ratios.
  • Material Composition: Enhanced with corrosion-resistant alloys for harsh environments.
  • Surface Finish: Coatings (e.g., anti-friction or wear-resistant) for specialized applications.

Get inspired

Engineered for construction machinery, this gear set combines industrial-grade durability with precise engineering. Whether optimizing power transmission in excavators or stabilizing heavy loads in cranes, its robust design ensures seamless performance under pressure.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity500 Nm+15% (575 Nm)+30% (650 Nm)*
Efficiency85%Enhanced (88%)Premium (92%)
Durability10,000 hours+20% (12,000 hours)+40% (14,000 hours)

Supplier's note

  1. Technical Breakthroughs:

    • Die-Cast Steel Construction: Enables 20% higher load tolerance vs. cast iron gears.
    • Precision Spur Gear Profile: Reduces operational noise by 30% compared to standard helical gears.
    • Nonstandard Customization: Allows tailored tooth configurations to match unique mechanical ratios.

  2. Version Selection Guide:

    • Base Model: Ideal for general construction equipment (e.g., small excavators) requiring standard load handling.
    • Advanced Model: Suitable for medium-scale machinery (e.g., bulldozers) needing enhanced efficiency and longevity.
    • Pro Model: Designed for heavy-duty applications (e.g., mining equipment) where extreme load capacity and durability are critical. With its triple-industry-standard corrosion resistance, the Pro Model ensures safe operation in wet or abrasive environments. Pair its hardened surface finish with high-torque systems to maximize performance.

Frequently asked questions

  • Which model of 250mm internal rotary rack ring spur gear suits heavy-duty construction machinery?

  • How do I maintain a steel spur gear for prolonged durability in machinery?

  • Steel vs Cast Iron: Which material is better for construction gear durability?

  • Can the 250mm spur gear be customized for nonstandard machinery requirements?

  • Is the die-casting process critical for the performance of construction gears?

  • Why choose a spur gear over helical gears for construction equipment?

  • Does the 250mm steel spur gear meet industrial safety standards?

  • What applications beyond construction machinery use this internal/external rotary rack gear?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialHeavy machinery, industrial equipmentSteel (ASTM A394 certified) ▲ (Industry Standard: ASTM A36)800 MPa tensile strength (▲ 100% stronger than industry baseline)Higher weight and cost compared to plastic alternatives
Processing MethodMass production of gearsDie Casting ▲ (Industry Standard: Sand Casting)40% faster production with smoother surfaces (▲ reduces post-processing)Higher initial mold cost (▲ 30% premium over sand casting)
Standard ComplianceCustom machinery buildsNonstandard ▲ (Industry Standard: ISO 9147)Tailored to specific torque/size requirements (▲ eliminates retrofitting)Requires custom engineering drawings (▲ adds 2-3 days to lead time)
Tooth ProfileHigh-torque applicationsSpur Gear (ISO 21770 compliant)Simplicity reduces cost by 20% (▲ vs helical gears)Generates 65 dB noise at 1500 RPM (▲ louder than helical gears)
Load CapacityConstruction machinery1500 Nm (Base) ▲ 2000 Nm (Advanced)Advanced version handles 33% heavier loads (▲ critical for excavators)Requires reinforced mounting brackets (▲ adds 15% to installation time)
DurabilityContinuous operation5000 hours MTBF ▲ (Industry Standard: 3000 hours)Double the lifespan in abrasive environments (▲ reduces downtime)Requires biweekly lubrication (▲ maintenance vs sealed bearings)

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