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Open Die Forging

Open Die Forging | Custom Medium-to-Large Forgings

At Jiangyin Liaoyuan Equipment Manufacturing Co., Ltd., we specialize in advanced open-die forging for custom components used in heavy machinery, petrochemical, wind power, and industrial applications. These rough-formed, high-strength blanks provide an excellent foundation for subsequent machining, preserving grain integrity and mechanical performance.

We also offer further processing of these open-die forgings through rough and precision machining. Examples of finished components can be found under our Machined Shafts category, demonstrating the seamless transition from forged blank to precision-engineered shaft.
 

Capabilities & Highlights:

  • Inhouse forging of alloy steel & carbon steel billets
  • Finished weight range: 100 kg – 8 tons
  • Hydraulic forging presses for shafts, blocks, and preforms
  • Heat-treated for mechanical performance and structural integrity
  • Full-process control ensures consistency and quality

Featured Products:

  • Generator shafts and industrial motor shafts
  • Planet shafts for industrial gearboxes
  • Mill rolls, cylinder barrels, and structural blocks
  • Custom-shaped preforms for subsequent machining

Why Liaoyuan:

We provide an integrated service, combining open die forging with optional rough or precision machining, delivering ready-to-use components for industrial and heavy-duty applications.
 
4000T forging press Line 3
4000T forging press Line 3

Forged Shafts: The Power Transmission Backbone for Heavy-Duty Applications

We manufacture high-strength forged shafts for generators, marine propulsion, and heavy machinery. Our open die forging process ensures superior grain flow, fatigue resistance, and custom dimensions (100kg-6t).
Forged shafts are the unsung heroes of industrial machinery, transmitting immense torque and power in the most demanding environments. Unlike cast or fabricated alternatives, shafts produced through open die forging possess a continuous grain structure that follows the contour of the part, resulting in unmatched strength, toughness, and resistance to fatigue failure. At Liaoyuan, we specialize in manufacturing these critical components, serving as a reliable backbone for the energy, marine, and heavy industries.

The Open Die Forging Advantage for Shafts:

When you choose a forged shaft from Liaoyuan, you are selecting a component engineered for reliability. The open die forging process provides definitive benefits:

- Superior Metallurgical Integrity: The intense compressive force breaks down the as-cast structure, eliminates internal voids, and creates a homogeneous, fine-grained microstructure.- Optimized Grain Flow: The metal's grain is made to flow along the shaft's length and around any forged-in features (like flanges), dramatically increasing impact and fatigue resistance compared to a machined-from-bar part.- Enhanced Mechanical Properties: Forged shafts exhibit higher strength-to-weight ratios and better overall toughness, making them ideal for withstanding shock loads and reversing stresses.
Integrated Shaft Manufacturing for Guaranteed Quality
  • Controlled Heat Treatment:
    The shaft undergoes tailored quenching and tempering to achieve the desired combination of hardness in the core and toughness at the surface.
  • Precision Open Die Forging:
    Our experienced forgemasters use large hydraulic presses to draw out and shape the preform, meticulously working the metal to refine its grain structure.
  • Advanced Machining:
    As part of our turnkey service, we perform precision machining on our CNC lathes and mills to achieve exact diameters, bearing fits, and surface finishes.
  • Rigorous Verification:
    Every shaft is backed by a full suite of testing, including Ultrasonic Testing (UT) to detect internal flaws, mechanical property tests, and dimensional inspections.
We will lead you every step until succeed!
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