Precision Machined Planet Shaft

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Product Description

Packaging & Delivery

Product Description

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Packaging & Delivery

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Product Description

Planet Shaft | The Core Pivot of Heavy-Duty Drive Systems

Our expertise lies in manufacturing the critical planetary shaft for wind turbine gearboxes, renowned for its superior load-bearing capacity and reliability. As the heart of the drive system, this shaft ensures smooth power transmission under demanding conditions. With diameters ranging from 100 mm to 700 mm and weights reaching several tons, they fully meet the design requirements of large-scale wind turbine units. Manufactured from high-quality alloy steels (such as 42CrMo, 34CrNiMo6) and through a fully controlled production process, we ensure exceptional performance for every product, from raw material to finished good.

We deeply understand that the material foundation determines component service life. Therefore, we employ thousand-ton heavy-duty presses for open-die forging . Through precise process control, we effectively refine the grain structure and create dense metal flow lines, laying a solid foundation for producing high-quality forged planetary pinion shafts for heavy-duty equipment.

Building upon this high-quality forging, we employ advanced machining centers for high-precision cutting and grinding, rigorously guaranteeing that the pin shaft's geometry, dimensional tolerances, and surface finish comply with the most stringent technical specifications. Following each manufacturing step, from rough machining to final grinding, we conduct strict quality verification using specialized testing equipment, ensuring comprehensive quality control from the material's internal integrity to its final surface dimensions, thereby providing dual assurance for the product's long-term reliability.

Precision Manufacturing and Quality Assurance:

Incoming Material Inspection
Blank Cutting
Open-Die Forging
Post-Forging Inspection
heat treatment (Normalizing/Quenching & Tempering)
Physical & Chemical Testing
Turning Inspection Surfaces
Preliminary NDT
Rough Turning
Inspection (Ultrasonic Testing, Spectrometry, Hardness Testing)
Marking, Cleaning, Packaging for Storage or Delivery

Material: Alloy Steel/Carbon steel (e.g., 42CrMo4)

Through this integrated and mature manufacturing process—encompassing precision open-die forging, machining, and full-process quality inspection—every planet shaft we deliver is engineered to provide stable and reliable performance under extreme operating conditions. This product is an ideal planetary pin shaft for construction machinery and is widely used in planetary gearboxes of wind turbines, heavy-duty engineering machinery, and large marine propulsion systems, directly enhancing the power density and service life of the entire drive system.

Typical Applications:

Wind Turbine Gearbox planetary gear Trains
Slewing Systems for Heavy-Duty Construction Machinery
Reduction Gears for mining equipment
Drive Units for Marine Propulsion Systems

You might also be interested in our flagship products:

Ready-to-Mount Custom Alloy Steel Shrink Discs – precision-machined, fully assembled locking solutions

Large-Diameter Custom Forged & Heat-Treated TRB Bearing Rings – durable components for heavy-duty bearings

High-Speed Planetary Gear Forgings – reliable, high-performance forged Gearbox Components for wind turbines and other heavy-duty transmission systems.

Explore our complete product range and contact us for tailored solutions to meet your specific operational requirements.

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