Custom Cast Iron Foundry GJL200 GJL250 High Quality Sand Iron Casting Pulley

Material Specifications and Performance Advantages
We utilize premium gray iron grades GJL200 (Grade 200) and GJL250 (Grade 250) specifically selected for pulley applications. GJL200 provides tensile strength of 200 MPa minimum with excellent machinability and consistent performance characteristics, while GJL250 offers enhanced tensile strength of 250 MPa minimum for applications requiring higher load capacity. The flake graphite microstructure inherent to gray iron delivers superior vibration damping capacity – a critical property for reducing noise and minimizing resonance in drive systems. Both materials demonstrate excellent wear resistance against cable or belt contact, reliable compressive strength exceeding 700 MPa, and good thermal conductivity for heat dissipation during continuous operation.

Precision Sand Casting Manufacturing Process
Our manufacturing employs advanced green sand casting technology with automated molding systems that ensure consistent wall thickness and dimensional repeatability. The process begins with precision pattern equipment designed to create optimal gating and feeding systems specific to pulley geometry. Controlled pouring parameters and real-time thermal monitoring guarantee sound castings free from shrinkage defects and inclusions. Each pulley undergoes rigorous quality control including dimensional verification, mechanical property testing, and visual inspection. Critical functional surfaces including groove profiles, hub bores, and mounting faces receive precision machining on CNC lathes and milling centers, maintaining tolerances within ±0.1mm for bore diameters and groove dimensions.

Comprehensive Application Solutions
Our custom cast iron pulleys serve diverse power transmission and mechanical handling applications across multiple industries. In conveyor systems, they function as drive, tension, and tail pulleys for bulk material handling operations. The agricultural sector utilizes our components for machinery drives, implement guidance systems, and harvesting equipment. Manufacturing industries specify our pulleys for production line equipment, lifting devices, and power transmission assemblies. Additional applications include mining equipment, automotive testing machinery, and specialized material handling systems where reliable performance under continuous operation is paramount.

Partner with our foundry for cast iron pulleys that combine material excellence with manufacturing precision. Our GJL200 and GJL250 sand cast pulleys deliver extended service life, reduced maintenance requirements, and reliable performance across diverse operating conditions, supported by comprehensive quality assurance and technical expertise in power transmission components.