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268-8128
CAT
268-8128
Under the extreme conditions of mining and heavy construction, the power output by the engine must be gently yet efficiently converted to drive the massive machine. The Torque Converter Stator is the core component that performs this magic. As the "reaction element" within the hydrodynamic transmission system, it redirects fluid flow, converting the kinetic energy of the oil into massive torque output.
Designed specifically for mining drill rigs and heavy construction machinery, this product is manufactured from high-grade alloy steel using integral forging, precision machining, and heat treatment. It boasts exceptional mechanical strength, wear resistance, and fatigue resistance. As a critical spare part for the turbine drive system, it directly guarantees the operational stability and transmission efficiency of the equipment's power system.
High-Grade Alloy Steel: Unlike ordinary cast iron or cast steel, this product utilizes high-performance carburizing alloy steels such as 20CrMnTi, 20CrNiMo, or 8620. These materials offer excellent toughness and surface hardness after carburization, enabling them to withstand the massive water hammer effects and impact forces generated by high-speed rotating oil within the torque converter.
Integral Forging: The blank is formed via precision die forging. Forging not only eliminates internal porosity but also allows metal flow lines to distribute continuously along the blade profile. This fibrous structure provides exceptional cavitation resistance and fatigue performance, preventing root fracture or deformation under heavy loads.
Precision Machining: The internal blade profile is the key determinant of converter efficiency. We ensure blade geometry, setting angle, and surface finish through CNC precision machining or investment casting with finishing. Smooth flow channels reduce oil turbulence and energy loss, thereby increasing the torque ratio and transmission efficiency.
Heat Treatment Strengthening: The gear teeth (meshing area with the stator support) undergo carburizing, quenching, or induction hardening, achieving a hardness of HRC 58-62. This high-hardness surface resists the massive shearing forces generated when the one-way clutch locks under high load, preventing slippage or wear.
Surface Finish (Without Processing): Described as "Without Processing," the surface typically refers to the natural metal color or shot-blasted condition. This surface aids in oil film adhesion during assembly and eliminates concerns about coating flaking and contaminating the hydraulic system.
Superior Power Conversion Efficiency: During drill rig startup or heavy equipment hill climbing, the stator generates a massive torque multiplication effect (torque ratio up to 2-4 times) by precisely redirecting fluid flow. This ensures powerful starting traction and low-speed stability.
High Fatigue Life: Rough mining roads cause drastic engine speed fluctuations, subjecting the stator to constant alternating stress. The high forging quality and heat treatment process ensure no fatigue failure occurs under millions of hydrodynamic impacts.
Smooth Power Output: As the core of hydrodynamic transmission, the precise geometry of the stator eliminates power transmission jerks, protecting the engine flywheel and gearbox input shaft from shock loads.
As a Critical Spare Part, this torque converter stator is widely used in:
Mining Drill Rig Transmission Systems: Connecting the engine to the transfer case, providing smooth power output.
Heavy Construction Machinery Gearboxes: Such as the hydrodynamic transmission systems in large wheel loaders (CAT 980/990 series) and bulldozers.
Mining Dump Trucks: Used in hydro-mechanical transmissions for automatic shifting and torque matching.
Oil Drilling Equipment: Used in auxiliary drive systems for mud pumps.
