Precision Driveline Drive Shaft

Precision driveline drive shafts are specially designed for high-precision transmission systems. They suit CNC equipment, servo systems, precision measuring instruments, and robotic joints that demand high accuracy. Overall shaft length spans 150 to 800 millimeters with shaft diameters from Φ20 to Φ85 millimeters. Mating surface roughness reaches Ra 0.8 to 1.6, meeting high-precision fit and sealing requirements. Our machining equipment consistently maintains these surface quality parameters.

Spline modules range from 1 to 3 with teeth 12 to 36, achieving accuracy Grades 5 to 7. High-precision splines ensure accurate torque transmission without noticeable rotational backlash. Mating surface roughness Ra 0.8 to 1.6 provides both fit accuracy and reduced assembly wear. Dynamic balancing achieves Grade G2.5 to G1.0, the standard requirement for high-speed precision equipment. Radial runout controls within 0.02 to 0.04 millimeters. Straightness requires 0.015 to 0.03 millimeters per 100 millimeters. These geometric tolerances ensure smooth high-speed operation.

Material uses 42CrMo steel with quenching and tempering treatment to HB 240-280. Working surfaces receive hardening treatment to HRC 50-56. 42CrMo provides excellent comprehensive mechanical properties, with high strength and good toughness after tempering, suitable for alternating loads. Our heat treatment department adjusts hardening parameters based on your requirements. Before shipment, every shaft undergoes complete inspection covering dimensions, hardness, roughness, and geometric tolerances.

We support custom manufacturing based on your drawings and samples. Before ordering, we provide free drawing review to verify accuracy grades and geometric tolerance markings are reasonable. During production, we regularly share real photos and inspection data with you. All products pass complete inspection before packaging and shipment. We offer a one-year warranty covering all products.

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