China high quality Hot Open Die Forging Custom Forged Hubs, Planetary Gear, Helical Gear Spindles, & Step Shafts supplier

Product Description


Product Description

Free Forging and Open Die Forging factory for 30 years.  
High Speed Gear transmission system parts manufacture 

ZPMC, CHINAMFG and ZheJiang Electric long term stable supplier.  

We produce and supply forged shaft blanks, forged step shafts blanks, forged flanged shaft blanks in carbon steel, alloy steel. These forged shaft blanks can be made up of carbon steel, and alloy steel. Like 40Cr steel, 40CrMo steel, etc. We can provide the heat treatment and rough machining service according to your requirement, This can help you to reduce your machining time and machining cost.

Industrial Uses for Custom Forged Discs, Rounds, & Cylinder Sleeves



    Our Forged Steel Products
    Tiangong Forging supplies a variety of semi-finished forged steel products, with the main materials being nickel-molybdenum steel, alloy steel, die steel, stainless steel and carbon steel. In addition to general steel grades such as 35#, 45#, 42CrMo, 42CrMo4, 18CrNiMo7-6, 20CrNi2Mo, 30CrNiMo8 and etc., we can also prepare the required steel according to other national specifications or specified alloy compositions requested by customers.

    The maximum production shaft forging length/weight is 12m/15T; the maximum gear and wheel forging diameter/weight is 1.9m/9T.
    We are particularly specialized in the forging of special-shaped forging parts. 

    Our main products:  
    A.Forged Gear Blank
    B.Wheel and Pulley
    C.Forged Shaft
    D.Hollow Shaft
    F.Multi-stepped Shaft
    G.Various forged blank and block
     I. Special-shaped Forging Parts

    Product Parameters

    Our open die forging process capabilities include:

    More Products

    Many industries utilize forged steel sleeves, rounds, and discs for industrial applications. They are often used by power generation and power transmission industries in blind flanges, tube sheets, and gears. At Great Lakes Forge, we work with customers in nearly every industrial sector. We provide our customers with the metal resources and custom-forged products required for various industrial applications. Industries we serve include:

    • Chemical Processing
    • Electric Motor Manufacturing
    • Food & Beverage Processing Equipment Manufacturing
    • Pelletizing & Compacting Equipment Production
    • Steel Milling
    • And many more


    Production Flow Chart

    Product Name

    Round Forging Bar


    Alloy Steel, Carbon Steel, SS


    Raw Material, Forging, Hot Treatment, CNC Machining


    OD 500-5000mm, Thickness >50mm




    10 Tons


    Machinery Parts, Wind Power, Areospacecraft, heaby duty equipment

    Surface Treatment

    Electroplate, Paint Spraying, Abrazine


    Carton Box

    Quality Control

    100% Inspected /ISO9001 System



    Factory Show

     Our company located in HangZhou city, ZheJiang province. Neaby ZheJiang .  With over 30 years of forging experience. Our focus is on using high-efficiency electro-hydraulic hammer facilities to produce free forged and open-die forged products.
    We are proud of our independent quality assurance laboratory, which ensures that all of our products meet our customers’ requirements.

    A. More than 25 years of professional free forging and open-die forging manufacturing experience
    B. The company covers an area of 71,000 square CHINAMFG
    C. The construction area of the production workshop is 12,000 square CHINAMFG
    D. Total number of employees: 158
    E. 28 engineering and technical personnel
    F. 59 skilled workers
    G. Annual production capacity is 38,000 tons
    H. Annual raw material steel throughput turnover reaches 56,000 tons 

    Reliable production
    At Tiangong Forging, we invest in production equipment every year to maintain and further improve the quality of our products.
    The only way to achieve the required quality is to start with a correctly specified material and process it on an efficient forging machine. To ensure the final standards required by our customers, a correct and precisely controlled heat treatment process is a key factor.
    Various types of high-precision machining equipment are also an important part of providing products with high customer satisfaction.

    1. 12 tons Electro-hydraulic Hammer with Operating Machine
    2. 8 tons Electro-hydraulic Hammer with Operating Machine
    3. 5 tons Electro-hydraulic Hammer with Operating Machine
    4. 20 tons Loader
    5. 5 tons Loader
    6. Natural Gas Pre-forging Heating Furnace
    7. Heat Treatment Electric Furnace
    8. There are 5 heat treatment electric furnaces with loading capacities of  5 tons, 15 tons, 50 tons, 60 tons and 60 tons respectively.
    9. Various Machining Equipment
    10. The machining center has multiple high-precision machining equipment such as CNC vertical lathes, CNC horizontal lathes, horizontal milling machines, radial drilling machines, ordinary horizontal lathes, sawing machines, etc

    Forged shaft blanks

    Flanged shafts, flange shafts and forged step shafts are used in a wide variety of industries including oil and gas exploration, machinery, gear manufacturing, aircraft and aerospace, energy and power generation, defense, automotive, heavy industrial, manufacturing, general metalworking, petroleum and chemical, mining, engine and turbine, ship building, construction, fabricated metal, pulp and paper, and food processing.

    Main Mateirals: Carbon Steel, Stainless Steel and Alloy steels;  

    International Standards: ASME, JIS, DIN, GB, BS, EN, AS, SABS, etc.    

    Standardization and Customization are both our advantages.   


    Our parts are widely used in Chemical Industry, Wind power generator, Large machinery parts Chemical industry,Agricultural machinery parts ship shaft fittings. Wind Power gearbox Transmission system. 

    HangZhou Port, HangZhou automatic Port, ZheJiang Yang shan Port, Italy Vado port. ZheJiang Tailway crane, Egypt hanging bridge, Sri Lanka railway crane, Thailand port bridge. South Korea railway crane, Hongkong island bridge, Singapore railway crane, Russia oil & mining machines and some miltary project. etc.

    Customized solutions
    Our modular process allows us to design solutions various industrial application requiring free-forged and open-die-forged parts. Our modularity means flexibility, wide choice, faster delivery and, above all, competitiveness.

    All Tiangong Forging, products and production processes are designed to ensure exceptional, reliable and long-lasting unique mechanical properties, thereby reducing operating costs and extending service life.
    With an extensive product range and extensive experience gained in most industrial applications, we can also provide engineering advice to our customers.


    Welcome to visit our factory!  Welcome to send inquiry to us.  

    Welcom Trading compamy to co-operate.  

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    Processing Object: Metal
    Molding Style: Forging
    Molding Technics: Free Forging
    US$ 1000/Ton
    1 Ton(Min.Order)


    Order Sample



    Customized Request

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    Full Payment
    Currency: US$
    Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

    gear shaft

    What are the safety considerations when working with gear shafts?

    Working with gear shafts involves potential hazards that need to be considered to ensure the safety of individuals involved. Proper safety measures should be followed to prevent accidents and injuries. Let’s explore some important safety considerations when working with gear shafts:

    • Personal Protective Equipment (PPE):

    Wearing appropriate personal protective equipment is essential when working with gear shafts. This may include safety glasses or goggles to protect the eyes from flying debris, gloves to provide hand protection, and appropriate footwear to prevent foot injuries. PPE should be selected based on the specific hazards associated with the task.

    • Machine Guarding:

    Ensure that gear shafts and related machinery are properly guarded. Machine guards help prevent accidental contact with moving parts and reduce the risk of entanglement or entrapment. Guards should be in place and functioning correctly before any work is performed on or near gear shafts.

    • Lockout/Tagout Procedures:

    Prior to working on gear shafts, it is important to follow lockout/tagout procedures. These procedures involve isolating the machinery from its power source and ensuring that it cannot be energized accidentally. Lockout/tagout procedures help protect workers from unexpected startup or release of stored energy, minimizing the risk of injury.

    • Proper Training and Knowledge:

    Workers should receive proper training on the safe operation and maintenance of gear shafts. They should be familiar with the potential hazards, safety procedures, and emergency protocols. Training should cover topics such as safe handling, proper use of tools, and awareness of potential risks associated with gear shafts.

    • Risk Assessment:

    Conduct a thorough risk assessment before performing any work involving gear shafts. Identify potential hazards, assess the associated risks, and implement appropriate control measures. This may include evaluating the stability of the work area, assessing the need for additional support or lifting equipment, and identifying any potential pinch points or crush hazards.

    • Proper Lifting Techniques:

    When handling or moving gear shafts, use proper lifting techniques to prevent strain or injury. Avoid lifting heavy loads manually when possible and use mechanical lifting aids or equipment when necessary. Ensure that lifting equipment is in good working condition, properly rated for the load, and operated by trained personnel.

    • Clean and Organized Work Area:

    Maintain a clean and organized work area around gear shafts. Remove any unnecessary items or debris that could pose a tripping or slipping hazard. Keep tools and equipment properly stored when not in use to prevent accidents and injuries.

    • Regular Maintenance and Inspection:

    Perform regular maintenance and inspection of gear shafts to ensure their safe operation. Check for signs of wear, damage, or misalignment. Address any issues promptly and follow manufacturer’s guidelines for maintenance intervals and procedures. Regular inspections help identify potential safety concerns and prevent equipment failure.

    • Communication and Collaboration:

    Encourage effective communication and collaboration among team members when working with gear shafts. Clear communication ensures that everyone is aware of their roles and responsibilities and can alert others to potential hazards or unsafe conditions. Collaboration promotes a safety culture and allows for the sharing of knowledge and best practices.

    By considering these safety measures when working with gear shafts, the risk of accidents and injuries can be significantly reduced. It is important to prioritize safety and create a work environment where individuals are informed, trained, and equipped to work safely with gear shafts.

    gear shaft

    What are the advantages of using a gear shaft in various gear arrangements?

    A gear shaft offers several advantages when used in various gear arrangements within mechanical systems. It plays a critical role in transmitting motion and power efficiently. Here are the advantages of using a gear shaft:

    • Mechanical Power Transmission:

    A gear shaft enables the transmission of mechanical power between gears in a gear arrangement. By connecting and meshing with multiple gears, the gear shaft efficiently transfers rotational motion and torque from the driving gear to the driven gear. This power transmission capability allows for the amplification, reduction, or redirection of power as required by the mechanical system, enabling the efficient operation of machinery and equipment.

    • Speed and Torque Conversion:

    With the use of different gear arrangements on a gear shaft, it becomes possible to convert speed and torque. By employing gears with different numbers of teeth or gear ratios, the rotational speed and torque output can be adjusted. Gear arrangements like spur gears, helical gears, bevel gears, and planetary gears on the gear shaft allow for precise speed and torque conversion, enabling the adaptation of mechanical systems to specific requirements.

    • Mechanical Advantage:

    A gear shaft offers the advantage of mechanical advantage. By incorporating gears with different sizes or gear ratios, the gear shaft can provide mechanical advantage in terms of torque amplification or speed reduction. This allows for the efficient utilization of available power and the optimization of mechanical system performance. Mechanical advantage is particularly beneficial in applications where high torque or precise speed control is required.

    • Versatility and Flexibility:

    The use of a gear shaft provides versatility and flexibility in gear arrangements. Different types of gears can be mounted on the gear shaft, allowing for the creation of complex gear systems. Gear arrangements can be customized based on the specific requirements of the mechanical system, such as space constraints, torque demands, and speed ranges. The gear shaft’s versatility enables the implementation of various gear combinations, making it adaptable to a wide range of applications.

    • Smooth and Reliable Operation:

    When properly designed and manufactured, a gear shaft ensures smooth and reliable operation of the gear arrangement. The gear teeth on the gears mesh with precision, guided by the gear shaft, resulting in minimal noise, vibration, and backlash. The gear shaft’s stable and accurate rotation facilitates the synchronized movement of gears, promoting efficient power transmission and reducing wear on the gear teeth. This contributes to the overall longevity and reliability of the mechanical system.

    • Durability and Load Capacity:

    A gear shaft, constructed from durable materials and designed to handle high loads, offers excellent durability and load-carrying capacity. The gear shaft’s robust construction allows it to withstand the forces and stresses encountered during power transmission. It ensures the gear arrangement can handle the required torque, resist deformation, and maintain its integrity under demanding operating conditions.

    In summary, the advantages of using a gear shaft in various gear arrangements include mechanical power transmission, speed and torque conversion, mechanical advantage, versatility and flexibility, smooth and reliable operation, durability, and load-carrying capacity. Gear shafts are essential components that enhance the performance, efficiency, and reliability of mechanical systems.

    gear shaft

    What is a gear shaft and how does it function in mechanical systems?

    A gear shaft is a key component in mechanical systems that transmit rotational motion and power between gears. It acts as a mechanical linkage, connecting two or more gears and enabling the transfer of torque and rotational speed. Here’s how a gear shaft functions in mechanical systems:

    • Power Transmission:

    A gear shaft serves as a means of power transmission between gears. When one gear is rotated, either by an input source or another gear, the gear shaft transmits the rotational motion to the connected gear or gears. This allows for the transfer of power from one gear to another, resulting in the desired mechanical output.

    • Support and Alignment:

    A gear shaft provides support and alignment for the gears it connects. It is typically mounted on bearings or bushings within the mechanical system, allowing it to rotate smoothly. The bearings help reduce friction and wear, ensuring efficient power transmission and prolonging the lifespan of the gears and the shaft.

    • Torque Transmission:

    In addition to transmitting rotational motion, a gear shaft also transmits torque. Torque is the rotational force that causes an object to rotate. As a gear shaft connects gears with different sizes or numbers of teeth, it allows for torque multiplication or reduction, depending on the gear ratios. This enables mechanical systems to achieve the desired speed and torque requirements for specific applications.

    • Speed Control:

    The gear shaft, along with the gears it connects, plays a crucial role in controlling rotational speed. By using gears with different sizes or ratios, the gear shaft can increase or decrease the rotational speed of the output gear compared to the input gear. This speed control capability is essential in various applications, such as adjusting the speed of machinery or enabling different speed settings in vehicles.

    • Directional Change:

    Another function of a gear shaft is to change the direction of rotational motion. By using gears with specific tooth profiles and arrangements, the gear shaft can redirect the rotational motion by 90 degrees or any desired angle. This directional change allows mechanical systems to transmit motion and power efficiently in different orientations, enabling complex machinery and mechanisms.

    • Load Distribution:

    A gear shaft helps distribute the load evenly among the connected gears. As the gears engage with each other through their teeth, the gear shaft ensures that the force and torque applied to one gear are evenly transferred to the others. This load distribution minimizes excessive stress on individual gears, promotes smooth operation, and enhances the overall durability and reliability of the mechanical system.

    In summary, a gear shaft is a critical component in mechanical systems that facilitates power transmission, torque transfer, speed control, directional change, load distribution, and alignment of gears. Its proper design, installation, and maintenance are essential for efficient and reliable operation of various machinery and mechanisms.

    China high quality Hot Open Die Forging Custom Forged Hubs, Planetary Gear, Helical Gear Spindles, & Step Shafts supplier China high quality Hot Open Die Forging Custom Forged Hubs, Planetary Gear, Helical Gear Spindles, & Step Shafts supplier
    editor by Dream 2024-04-25