Forged Wheel Discs
Forged Wheel Discs
  • Process: Blanking → 1200℃ heating → precision forging → normalizing → CNC machining (tolerance ±0.02mm)
  • Materials: 42CrM04, AISI4140, 41Cr4, A504, SSW-01R, 65Mn.
  • Applications: Single-flange/double-flange/no-flange designs for bridge cranes, gantry cranes, etc.
Cast Wheel Discs
Cast Wheel Discs
  • Process: Sand molding → casting → annealing → surface treatment
  • Materials: ZG65Mn, Ductile Iron.
  • Applications: Light-duty single-girder cranes, AGV carts.
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Katalogo ng Mga Bahagi ng Dafang Crane

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Katalogo ng Crane Wheels

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Katalogo ng Henan Dafang Crane

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Crane Wheel Solutions

Corner Wheel for Crane Traveling Mechanisms
Corner Wheel for Crane Traveling Mechanisms
  • Design: ±0.5° precision angle control.
  • Material: 45# steel, full heat-treated (HB200-260).
Boggie Set
Boggie Set
  • Design: Rational structural design to ensure stable operation, suitable for complex working conditions, load - bearing ≤200 tons.
  • Material: Q345B steel with overall heat treatment (HB180 - 240), which has good strength and toughness.
Gear integrated Wheel Sets
Gear-integrated Wheel Sets
  • Transmission Efficiency: 96%, gear surface induction quenching (HRC55).
  • Applications: LD-type cranes, with modulus 3-8 and pressure angle 20°.
Splined Shaft Wheel Sets
Splined Shaft Wheel Sets
  • Torque Capacity: 40% higher than standard shafts, Involute spline (GB/T3478.1).
  • Applications: High-load transmission equipment, matching spline shaft reducer.
Mining Cart Wheel Sets
Mining Cart Wheel Sets
  • Design: Impact-resistant structure, material 50SiMn (HB300-380).
  • Applications: Complex road conditions in open-pit mines.
Transfer Cart Wheel Sets
Transfer Cart Wheel Sets
  • Feature: Integrated bearing housing for free steering, positioning accuracy ±1mm.
  • Diameter Range: 160-630mm for factory material transfer carts.
DRS Wheel Blocks
DRS Wheel Blocks
  • Function: Integrated motor and buffer, variable speed (0-20/30m/min), modular design for quick installation.
  • Certifications: CE certified for European standard reducers.
Wheel Sets for Chain Drive
Wheel Sets for Chain Drive
  • Design: Specialized chain - mating tooth profile design, precise meshing with a transmission error ≤±0.3%.
  • Material: Wheels made of 42CrMo alloy steel, heat - treated to HRC45 - 52.

Customization Capability - Non-standard Scenario Solutions

Steel Mill Wheels icon
Steel Mill Wheels

Crane Wheels for 75/32t Casting Cranes in Furnace Melting Bay High Temperature Environments.

Engineering Response
  • Material: KMTBCr26 Alloy (Cr26%/Ni12%)
  • Coating: 50μm Ceramic Anti-Oxidation Layer
  • Process: Full Forging + HT Annealing
Steel Mill Wheels
Certified Performance

850°C Continuous Operation 50 Thermal Cycles ,1200°C ≤0.3% Dimensional Shift

Steel Mill Wheels
Arctic Wheels icon
Arctic Wheels

Crane Wheels for 50t Double Girder Gantry Cranes with 52m Span / 25m Height, Working Duty A5, - 40°C Environment in Russia.

Engineering Response
  • Material: Ni-Enhanced 35CrMo (-40°C CVN≥35J)
  • Protection: 80μm Zinc Plating
  • Process: Cryogenic Tempering
Arctic Wheels
Certified Performance

-40°C Charpy Impact Certified 100H Cold Run
-40°C Salt Spray Resistance

Arctic Wheels
Explosion Proof Wheels icon
Explosion-Proof Wheels

Explosion Proof Crane Wheels for 20t Double Girder Explosion Proof Overhead Cranes with 24m Span, Working Duty A3

Engineering Response
  • Design: Teflon®-Coated Insulation (≥15MΩ)
  • Alternative: 316L Non-Magnetic SS
  • Precision: IT7 Machining Tolerance
Explosion Proof Wheels
Certified Performance

ATEX Ex II 2G Certified Zero-Spark Guarantee 500V Insulation Endurance

Explosion Proof Wheels
AGV Drive Wheels icon
AGV Drive Wheels

PU Wheels for Intelligent AGV Carts in Machining Workshops for Machine Part Handling.

Engineering Response
  • Gear: Drum Spline (GB/T 3478.1)
  • Machining: NILES Grinder (Ra≤0.8μm)
  • Noise Control: G2.5 Balance + Curvature Optimization
AGV Drive Wheels
Certified Performance

98.5% Transmission Efficiency ≤65dB Noise Emission 3D-CMM Verified Geometry

AGV Drive Wheels
Marine Wheels icon
Marine Wheels

Customized Corrosion Resistant Wheels for Underwater Environments like Port Terminal Tugboats.

Engineering Response
  • Material: 904L Super Stainless (Cl⁻≤20,000ppm)
  • Coating: Dacromet® + Sealant
  • Sealing: Fluororubber Dual-Lip Seal
Marine Wheels
Certified Performance

3,000H Salt Spray Tested IP68 Submersion Proof Drainage Optimization

Marine Wheels

Full-process Quality Control

Raw Material
  • KMTBCr26/904L/42CrMo
  • Raw Material SPECTRO Analysis
Crane Wheel Blanks

Crane Wheel Blanks

 Test Certificate

Test Certificate
Machining Precision
  • 3D CMM inspection systems
  • Enforce ±0.02mm precision, ≥95% Accuracy.
Dimension Inspection

Dimension Inspection

 Precision Inspection

Precision Inspection
Non-Destructive Testing
  • UT/MT 100% Defect-Free Guarantee
  • Maximum Hardness: HRC 55
UT Ultrasonic Testing

UT Ultrasonic Testing

 Hardness Testing

Hardness Testing
Full CE + BV Certification
  • CE Certification: Your Unbreakable Legal Shield in the EU
  • BV Tested: Wheels That Outlive Loads by 2X, Guaranteed
CE Certification 1

CE Certification

 BV Test Report 1

BV Test Report

Tungkol sa Dafang

Henan Dafang Heavy Machinery Co., Ltd. (DAFANG) is a specializing in crane wheel manufacturing for 28 years.

Products are widely used in more than 20 industries, including metallurgy, ports, and intelligent warehousing, serving over 5,000 industrial customers across the globe.

Leveraging advanced equipment and rigorous QC systems, Dafang's intelligent production line achieves a monthly capacity of 500 sets for crane wheel assemblies, with a delivery accuracy rate of 99.2%.

High-end Production Equipment

German NILES Gear Grinding
German NILES Gear Grinding

±0.02mm Tolerance – 60% Tighter Than Industry Standard

  • 98.5%+ Transmission Efficiency (vs 95% competitors)
  • ≤65dB Noise (Library-quiet operation)
  • DIN 3962 Class 3 Accuracy (Ultra-premium grade)
MAZAK Multi Tasking Mastery
MAZAK Multi-Tasking Mastery

Eliminate Re-Fixturing Errors: Turn, Mill & Cut Gears in One Brutal Clamp

  • ±0.005mm Linear Precision | 0.0001° Rotary Accuracy
  • 30% Higher Dimensional Consistency (Eliminates re-fixturing errors)
  • Material Agnostic: Stainless Steel | High-Tensile Alloys | Aluminum
AICHELIN Heat Treatment
AICHELIN Heat Treatment

±1°C Uniformity = Wheel Lifespan Boosted 2X

  • Hardness Variance ≤1 HRC (Unmatched surface uniformity)
  • IT6-Grade Geometry: ≤0.02mm Cylindricity | ≤0.01mm Roundness
  • Carbon Control ≤0.05% Cp (Precision case hardening)
CNC Gear Hobbing Machine

CNC Gear Hobbing Machine

Automated Wheel Assembly

Automated Wheel Assembly

Gear and Pinion Intelligent Production

Gear and Pinion Intelligent Production

Testing Technology Support

German ZEISS microscopes

German ZEISS microscopes

3D CMM inspection systems

3D CMM inspection systems

CNC Gear Measurement Center

CNC Gear Measurement Center

© 2025 DAFANG CRANE