Changzhou Tiangong Forging Co., Ltd.
Changzhou Tiangong Forging Co., Ltd.
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Heavy Duty 42CrMo Open Die Forgings for Industrial Gearbox Components. Our Heavy Duty 42CrMo Open Die Forgings are engineered for the demanding load and torque conditions of large industrial gearbox systems. Manufactured using open die forging techniques, these components offer excellent mechanical strength, dimensional stability, and fatigue resistance, making them ideal for use in high-power transmission environments.
Forged from premium 42CrMo alloy steel, the parts undergo precise heat treatment to ensure a strong and ductile core with high surface hardness when needed. The forging process enhances grain flow and eliminates internal defects, delivering superior structural integrity for continuous operation under harsh industrial conditions.
These forged components are well-suited for critical gearbox applications in sectors such as mining, metallurgy, cement, power generation, and heavy machinery.
High Strength & Toughness: Forged from 42CrMo alloy steel, offering excellent tensile strength and impact resistance under high-load conditions.
Optimized Grain Structure: Open die forging process ensures refined grain flow and internal soundness for prolonged service life.
Dimensional Stability: Precision heat treatment and controlled machining ensure consistent geometry and performance in rotating and static load environments.
Customizable Profiles: Available in various forged shapes—discs, shafts—to meet gearbox layout and torque transmission needs.
Wear & Fatigue Resistance: Suitable for surface hardening processes to resist wear and cyclic fatigue in long-term heavy-duty operation.
Industrial Gearboxes: Core transmission components such as main shafts, coupling hubs, and pinion blanks.
Mining Equipment: Drive train components subjected to shock loads and abrasive environments.
Metallurgy & Cement Machinery: Gears and shafts for mills, rotary kilns, and conveying systems.
Heavy-Duty Cranes & Hoisting Equipment: Load-bearing forged elements requiring high torque transmission capacity.
Power Generation Equipment: Supporting high-speed, high-load mechanical systems in thermal or hydro power plants.
| Item | Details |
|---|---|
| Product Name | Heavy Duty 42CrMo Open Die Forgings for Industrial Gearbox Components |
| Material Grades | - 42CrMo alloy steel known for its high tensile strength, toughness, and hardenability under load-bearing industrial conditions |
| Forging Equipment | - Hydraulic Hammers: 5T, 8T, 12T - Capable of open die forging for medium to large gearbox parts with complex geometries |
| Manufacturing Process | Raw Material Inspection → Preheating → Open Die Forging → Heat Treatment → Rough Machining → NDT → Final Machining (if required) → Dimensional Inspection → Packaging → Delivery |
| Forging Ratio | ≥ 3.0 — Enhances internal soundness, directional grain flow, and mechanical stability under heavy torque and dynamic forces |
| Applications | - Drive shafts, gear blanks, and couplings in mining, metallurgy, cement, and marine gearboxes - Transmission parts in lifting equipment and power machinery - Ideal for high-load, shock-resistant, and long-duty cycle gear systems |
| Delivery Conditions | -Normalizing + Tempering to enhance toughness, stabilize structure, and ensure dimensional consistency under hydraulic pressure - Optional soft annealing for improved machinability based on downstream processing requirements |
| Testing & Inspection | - Chemical Composition Analysis (Spectrometry) - Mechanical Testing: Tensile Strength, Impact Toughness, Hardness - Non-Destructive Testing: Ultrasonic (UT), Magnetic Particle (MT) - Dimensional and geometric inspection using advanced measuring systems |
Frequently Asked Questions (FAQs)
Regarding the size of your forged products, what is the typical weight scope you accommodate? Our forging capabilities cover a spectrum from 100 kilograms up to 7,000 kilograms.
Do your services extend beyond forging to include thermal processing and material shaping? Affirmative. We provide comprehensive in-house heat treatment services, along with both preliminary and final machining operations.
What are the primary industrial sectors that you serve with your products? Our clientele spans various key industries, including wind power generation, heavy construction equipment, port infrastructure, power transmission systems, and numerous others.
What are your typical turnaround times for production? For items readily available in our warehouse, the estimated lead time is approximately 30 days. For custom orders requiring manufacturing, the typical timeframe is 40 to 45 days.
Could you provide information on the geographical placement of your manufacturing facility? Our production plant is located in Changzhou City, which is strategically positioned near Shanghai, and we utilize the Port of Shanghai for our shipping logistics.
Request a Quotation
To receive a detailed cost estimate and a tailored engineering approach, we encourage you to forward your technical blueprints and specific needs to our team. Our engineers will promptly evaluate your requirements and provide you with a professional quotation and a suitable solution.