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Help CenterCrane Reducer QJR-D500 Gear Reducer Medium Hard Tooth Surface
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Cranes are safety critical equipment, and the reliability of reducers is directly related to personal and equipment safety. QJR-D500 gear reducerStrong box rigidity: The box is made of high-strength cast iron or steel plate welded together, with a sturdy structure and excellent deformation resistance, ensuring that the gear shaft alignment accuracy remains unchanged under heavy loads and impacts. QJR-D500 gearboxConservative selection of gears and bearings: The gears are made of high-quality alloy steel that has been carburized, quenched, and ground, with high tooth surface hardness (HRC58-62). The bearings are selected from brand products with large capacity and high reliability, with a large safety margin and long design life, effectively preventing sudden failures. Specialized thermal balance calculation: Considering the working system of the crane (such as S3-40%), accurate calculation and testing of thermal power are carried out to prevent failure due to excessive temperature rise caused by frequent start stop.
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