Custom Forged & Machined Crankshafts and Axles

Engineered for Maximum Strength and Reliability in Severe Service Applications

For the most demanding industrial, marine, and power generation equipment, the crankshaft is the heart of the machine. It must withstand immense cyclical stress and torsional forces without failure. A cast or bar-stock component is simply not an option.

Yile Machinery is a premier manufacturer of custom, heavy-duty forged crankshafts, eccentric shafts, and axles. We combine the superior strength of closed-die forging with precision CNC machining to produce components that deliver ultimate reliability and performance in the most critical applications.

Key Features & Benefits:

• Superior Material Strength via Forging: Our process begins with a high-quality steel billet (e.g., 42CrMo, 35CrMo, 40CrNiMo) which is forged to shape. This refines the grain structure, eliminates internal voids, and aligns the grain flow to the component's geometry, resulting in unparalleled fatigue resistance and impact strength compared to castings or bar stock.

• Precision CNC Machining & Grinding: Following forging and heat treatment, each shaft is precision-machined to your exact specifications. We utilize advanced CNC turning, milling, and grinding centers to achieve tight tolerances on all main journals, rod pins, and flanges, ensuring perfect balance and smooth operation.

• Optimized Heat Treatment: All components undergo a controlled heat treatment cycle (quenching, tempering, and stress relieving) to achieve the specified surface hardness for wear resistance while maintaining the core toughness required to absorb shock loads.

• OEM Partnership & Full Traceability: We are a trusted Tier 1 and Tier 2 supplier to major OEMs. We provide comprehensive quality control, including material certification, NDT (Non-Destructive Testing), and full dimensional reports to ensure every part meets the highest standards.

Your Manufacturing Partner for Critical Drivetrain Components

We specialize in transforming raw forgings into finished, ready-to-assemble components for a wide range of heavy-duty machinery.

Core Applications:

• Marine Diesel Engines: Main engine and generator crankshafts.

• Reciprocating Compressors: For natural gas, air, and process gas applications.

• Power Generation: Generator shafts and turbine components.

• Industrial Presses & Pumps: Eccentric shafts for mechanical presses and mud pumps.

• Heavy Equipment: Axle shafts and transmission shafts for mining and construction machinery.

Partner with Yile Machinery for robust, reliable, and precision-engineered forged components.