Mining Pin Rails Forging Parts
Material Option: 42CrMo steel
Machining Precision Standard
Outer circle machining tolerance controlled within ±0.01mm
New Mould Production Cycle: Around 45 days
Customized Solutions: Custom design & manufacturing available, all items produced to match your precise technical specifications.
Forming Technology: Forging
About Our Products:
Used for guiding and power transmission in coal mining, the pin rack is the core matching component for meshing drive between scraper conveyors and shearers. Integrating track and gear functions for automatic fully-mechanized mining faces, its quality performance directly influences mining efficiency and the safety of the full equipment set. The normal operation of shearers relies heavily on intact pin racks. Wear, deformation or damage on pin racks may result in traction stalling, abnormal vibration, and unplanned production halts.
Product Advantages:
Boasting high transmission efficiency, the pin rail outperforms conventional transmission methods such as chain drive by a significant margin. This advantage effectively curtails energy loss and cuts down the shearer’s power consumption, contributing to more cost-effective and eco-friendly mining operations. In the harsh underground coal mine environment—characterized by high humidity, heavy dust, and constant friction against coal and rock—the pin rail’s superior wear resistance comes into full play. It minimizes the wear and tear caused by long-term meshing operations, substantially extending the component’s service life and reducing the frequency of replacements. This not only lowers maintenance costs but also reduces the need for frequent downtime for part swaps. Furthermore, the pin rail’s reliable operational performance prevents unexpected equipment failures that would otherwise halt production. It ensures the shearer maintains a steady running speed, enabling continuous and uninterrupted work on the mining face. In turn, this stability boosts the overall output and operational efficiency of the fully mechanized mining system.
Production Technics:
Raw material inspection→Cutting→Forging→Normalizing→Rough turning→UT→Quenched and tempered→Shot peening→MT→Finished turning→Drilling and Tapping→CMM/GMM→Cleaning packaging
Packaging And Shipping:
Our in-house operations team follows a strict multi-step pre-shipment process to ensure all products leave our facility in prime condition for safe, timely delivery.
First, all items complete a tailored three-step preparation. Each unit is precision-cleaned with industrial degreasers and high-pressure rinsing to remove machining residues and surface contaminants, then marked with durable, scannable traceability labels covering model, batch and production date. Targeted anti-rust and anti-corrosion treatments are applied to metal and alloy parts to prevent transit and storage damage. Next, certified QC specialists perform strict piece-by-piece inspections against unified standards, checking surface quality, labeling accuracy, anti-corrosion effects and dimensional & performance compliance. Substandard goods are immediately sorted for rework or replacement, with all corrective actions fully documented. Finally, qualified products are packaged with customized industrial protective materials suited to their size, weight and fragility. Well-packed goods are stored in a climate-controlled, orderly warehouse with real-time inventory tracking, enabling fast response and on-time dispatch upon shipping requests.
Company Strength:
With 30 years of stable and solid development, our company has established a firm foothold in domestic and global markets, becoming a reliable provider of high-performance components for a wide range of core industries. Our products serve key sectors such as construction machinery, wind power, new energy vehicles, rail transit, petrochemicals and mining equipment, all engineered to withstand harsh and high-intensity operating conditions. Globally, we have built long-term, stable cooperation with well-known enterprises across multiple regions, strictly complying with international quality norms and delivering consistent manufacturing reliability. Overseas business contributes over 50% of total annual revenue, underscoring our strong global competitiveness. Domestically, we maintain strategic partnerships with top-tier equipment manufacturers including Zoomlion, XCMG, Sany, Lingong, CRRC and leading gear manufacturers. Through in-depth supply chain collaboration and joint R&D, we jointly advance industrial upgrading. Our flagship products — core forgings for planetary reducers and medium to large lifting hook assemblies — rank first in domestic market share, securing our leading edge in these high-precision, high-value product segments.
