Railroad Parts Driven Gear
Specified Alloy Materials: 17CrNiMo6-4, 18CrNiMo7-6, 20CrMnMo
Machining Dimensional & Geometric Accuracy
External circle tolerance band: ±0.01 mm
Gear tooth precision grade: 5
Tooling fabrication turnaround: 45 days approx.
Mass and Material Allowance: All material usage and finished component weight figures are derived from client-provided engineering drawings.
Core Processing Method: Forging forming
About The Products:
The driven gear is an essential part of railway running gear, responsible for power transmission, body support, direction guidance and braking torque transfer. As a key foundational component for rail transit, its quality directly determines train safety and operating efficiency; poor performance may cause vibration, rail wear and serious operational faults. Now upgraded from a traditional mechanical part, it has become an intelligent and lightweight component. Built-in sensors monitor vibration, temperature and wear in real time, enabling remote status tracking and predictive maintenance to greatly reduce unexpected downtime. Made of high-strength alloy via precision forging, the gear cuts weight by around 20% while maintaining full load capacity, saving energy and lowering stress on axles and other parts. The forged structure is free of internal flaws, reliably enduring high torque and cyclic loads for both high-speed and heavy freight trains. In short, the modern driven gear combines high-strength forging technology with intelligent monitoring functions, greatly improving the safety, stability and efficiency of next-generation railway systems.
Product Advantages:
We implement rigorous 100% full-process inspection at every production stage to deliver completely defect-free products. Our integrated one-stop manufacturing workflow streamlines the entire production chain, effectively boosting efficiency and helping clients save overall procurement and time costs. Backed by an extensive and diversified product lineup, we cover standard specifications as well as customized solutions, perfectly catering to all your application and sourcing requirements.
Manufacturer Process:
Raw material inspection → Cutting → Forging → Normalizing → Rough turning → UT → Half-finished turning → Gear milling → Carburizing and quenching → Sandblasting → Gear grinding → MT → CMM/GMM → Cleaning packaging
Packaging And Shipping:
For all customer orders, our dedicated quality team follows a strict standardized quality control and pre-delivery management system covering every processing and preparation step.
We strictly comply with industrial norms to carry out full pre-shipment handling: every product is professionally cleaned to completely remove machining debris and surface impurities, then marked with standardized traceable labels to ensure full lifecycle tracking. All metal and alloy components receive customized industrial anti-rust and anti-corrosion treatment to effectively withstand long-distance transportation and storage risks. Before delivery, our professional QA team conducts meticulous sampling and full inspection in line with international quality standards, strictly checking surface workmanship, label information accuracy and anti-corrosion treatment effect. Any unqualified products are screened out immediately for reprocessing or replacement to keep consistent high quality. After passing inspection, products are packaged with customized high-strength protective materials according to their size, weight and structural characteristics, providing excellent shockproof, pressure-resistant and moisture-proof protection. Finished goods are classified and stored in our standardized warehouse with real-time inventory management, supporting efficient scheduling and timely delivery. Through standardized procedures, strict inspection and professional packaging warehousing management, we fully guarantee that every product is intact, well-protected and delivered in perfect condition.
Company Strength:
We are an industry leader in quality assurance and precision control, equipped with top-tier imported testing instruments. Our core equipment includes spectrometers, nitrogen-hydrogen-oxygen analyzers, Zeiss microscopic and measuring devices, and M2M ultrasonic flaw detectors. We provide full-process inspection for raw materials, microstructure, dimensions and internal flaws. Our integrated quality system features high accuracy and stability, meeting ASME, API and EN international standards. Our products excel in reliability and durability, serving railway, petrochemical and construction machinery industries with stable quality supply.






