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China Hot selling Steel Forging Gear Blank and Gear Shaft for Power Transmission Gear Box, Planetary Gear System, Speed Reducer components of gearbox

Product Description

Forged Gear Blanks and Gear Shaft for Heavy-Duty Power Transmission Gear Box – aiming for optimal performance

Our quality-oriented-manufactured gear blanks and gear shaft find applications in a diverse range of heavy-duty machinery, including power transmission gear box, wind power generator, port machinery, mining equipment, oil industry applications, ship building and etc..

These gear box components are designed to withstand demanding conditions and deliver reliable performance.
Our forged gear box components provide following material characteristics:
  – High Strength: withstand torque and heavy loads without deformation.
  – Good Machinability: Easy manufacturability and precision are essential for efficient production.
  – Low Notch Sensitivity Factor: Minimize stress concentration points to prevent premature failure.
  – Good Heat Treatment Properties: Ensure durability and resistance to wear and fatigue.
  – High Wear Resistance: have a long service life even under demanding conditions.

Product Sample Drawings


Steel Materials

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, we can also prepare the required steel according to other national specifications or specified alloy compositions requested by customers.

General Steel Grade

Carbon Steel 20#
Alloy Steel Q345A
Nickel Alloy Steel 18CrNiMo7-6


Product Parameters

The maximum gear and wheel forging diameter/weight is 1.9m / 9 ton. The maximum production shaft forging length/weight is 12m / 15 ton.

We can supply products in 3 different states according to customer requirements:
– Forged blank, 
– Rough machined
– Semi-finishing machined 

Heat Treatment Options: 
We offer multiple heat treatment options to achieve the desired mechanical properties. From hardness to toughness, we tailor the treatment to meet customers specific requirements.


Our Commitment For Quality

Quality is Tiangong Forging’s commitment to continuously drive the company and customers forward.
To us, quality means taking care of each customer with a professional and proactive attitude. We have been a CHINAMFG in the forging industry’s adoption of the ISO 9001-2015 standard and are proud that our technology has gained major industry recognition over the years.

Our quality assurance laboratory has a variety of advanced testing equipment to ensure that the metal composition, mechanical properties, hardness,

ultrasonic flaw detection, metallography, product dimensions, etc. of the product can meet the standards required by customers.

After customer confirms the order, we will establish a detailed quality control plan for all customers’ products. And after obtaining the customer’s consent, it is strictly implemented throughout the production process.

All products are shipped with a detailed product quality certificate, which lists various test results, including raw material alloy chemical composition, mechanical properties, appearance inspection, ultrasonic flaw detection, actual heat treatment temperature control chart, metallographic photos, quenching permeability test, etc.

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Application: Motor, Machinery, Marine, Agricultural Machinery, Wind Power Generator
Material: Alloy Steel and Carbon Steel
Type: Circular and Bevel Gear


Customized Request

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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

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


Steps to Replace a Faulty Gearbox in an Automobile

Replacing a faulty gearbox in an automobile is a complex task that requires proper tools, skills, and safety precautions. Here are the general steps involved in the process:

  1. Prepare the Vehicle: Park the vehicle on a flat surface and engage the parking brake. Disconnect the battery to ensure safety during the procedure.
  2. Drain Fluids: Drain the transmission fluid from the old gearbox into a suitable container.
  3. Disconnect Components: Remove any components obstructing access to the gearbox, such as the driveshaft, exhaust system, and linkage.
  4. Suspend the Engine: If necessary, use an engine hoist or support to suspend the engine safely.
  5. Support the Gearbox: Use a transmission jack to support the weight of the gearbox.
  6. Remove Gearbox: Detach the gearbox from the engine by removing bolts and disconnecting the clutch or torque converter.
  7. Install New Gearbox: Position the new gearbox onto the engine and secure it in place with bolts.
  8. Reconnect Components: Reattach the driveshaft, exhaust system, and linkage that were disconnected earlier.
  9. Refill Fluids: Fill the new gearbox with the appropriate transmission fluid according to the manufacturer’s specifications.
  10. Lower Engine: Carefully lower the engine back into its original position if it was suspended.
  11. Test and Adjust: Start the vehicle and test the new gearbox for proper operation. Check for any leaks, unusual noises, or gear shifting issues.
  12. Final Check: Double-check all connections and ensure that all components are properly secured.
  13. Dispose of Old Fluid: Dispose of the old transmission fluid safely and responsibly.
  14. Dispose of Old Gearbox: Properly dispose of the old gearbox according to local regulations.

It’s important to note that gearbox replacement can vary significantly depending on the vehicle’s make and model. It’s recommended to consult the vehicle’s service manual or seek professional assistance if you’re not experienced in automotive repair.

China Hot selling Steel Forging Gear Blank and Gear Shaft for Power Transmission Gear Box, Planetary Gear System, Speed Reducer   components of gearbox	China Hot selling Steel Forging Gear Blank and Gear Shaft for Power Transmission Gear Box, Planetary Gear System, Speed Reducer   components of gearbox
editor by CX 2024-04-23