Free Forging Alloy Shaft for Industrial Gearbox Transmission Drive System Components

This free-forged alloy shaft is specifically designed for industrial gearbox drive systems, delivering exceptional strength, torsional rigidity, and long-term reliability under high-load and continuous operation conditions. Manufactured through precision-controlled free forging, the shaft exhibits a refined internal grain structure and uniform metallurgical integrity, ensuring superior fatigue resistance, impact toughness, and dimensional stability for critical transmission applications.

Product Features

• High Mechanical Strength – Free forging ensures dense, defect-free internal structure capable of withstanding heavy torque and cyclic loads.

• Excellent Fatigue and Shock Resistance – Optimized forging and heat treatment deliver reliable performance under repeated start-stop and load variations.

• Dimensional Accuracy – Designed for precision machining, maintaining tight tolerances for gear mounting, keyways, and bearing interfaces.

• Material Versatility – Available in alloy steels such as 42CrMo4, 30CrNiMo8, and 18CrNiMo7-6, selected for high torsional strength and wear resistance.

• Corrosion and Wear Resistance – Optional surface treatments or coatings enhance durability in demanding industrial environments.

Application Fields

• Industrial gearbox drive shafts for heavy machinery and material handling equipment

• Transmission components in mining, steel, and construction equipment

• Power transmission systems requiring high torque, precision, and long service life

• Offshore or marine gearbox assemblies with cyclic load demands

This shaft is ideal for industries and applications where precision, reliability, and mechanical integrity are critical for continuous high-load operations.

Steel Forging Production Flow

Steel ingots are first inspected for chemical composition and carefully stored → Cut to the required dimensions → Heated in a controlled furnace with continuous temperature monitoring → Forging performed with precise control, followed by heat treatment ensuring uniform mechanical properties → Discharge from the furnace and preliminary blank inspection → Rough machining to prepare for further processing → In-process quality checks including ultrasonic testing (UT), magnetic particle testing (MT), dimensional verification, and hardness measurement → Normal and tempering (QT) → Post-heat-treatment inspection covering UT, mechanical properties, hardness, and grain structure → Precision finish machining to achieve final dimensions → Comprehensive final inspection → Part marking, labeling, and protective packaging → Stored safely until shipment to the customer.

Frequently Asked Questions (FAQs) – Differentiated Version

1. What is your forging capacity?
We produce forged components ranging from 100 kg to 7,000 kg, covering both medium-sized machinery and heavy-duty industrial applications.

2. Do you provide heat treatment and machining?
Yes. Our facility offers full in-house heat treatment, along with rough and precision CNC machining, ensuring every part meets exact customer requirements.

3. Which industries use your products?
Our forgings are widely applied in wind energy, heavy industrial machinery, port handling equipment, transmission systems, and other high-demand industrial sectors.

4. What are your typical lead times?

• Stock items: approximately 30 days

• Custom-made components: typically 40–45 days, depending on size, material, and complexity

5. Where is your manufacturing facility located?
Our plant is located in Changzhou, Jiangsu Province, near Shanghai, allowing efficient logistics and smooth export via Shanghai Port.

Request a Quote

Please provide your technical drawings and detailed specifications. Our engineering team will review your requirements and deliver a customized quotation and solution promptly.