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40Cr/42CrMo Quenching and Tempering and Carburizing
Alloy steel baffle plates are used in particle-laden media or high-speed flow fields, requiring good wear and impact resistance on the plate surface.
Water pump shafts transmit power in pump equipment; with slender bodies and fitting journals at both ends, journal coaxiality and surface condition directly affect running stability and seal life.
Spline shafts transmit torque through splines, with tooth side clearance and tooth profile accuracy affecting transmission stability and noise.
Alloy steel drill bushings are used in drill jigs and tooling under high-load, high-frequency use, requiring high surface hardness and wear resistance in the inner bore.
Alloy steel drill bushings are carburized and quenched, then inner-bore ground; hardness and hardened layer depth determine wear life, while inner bore dimensional accuracy determines guiding accuracy.
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