Stainless steel lap joint stub end material should have high fatigue strength

Gears are stainless steel lap joint stub end products one of the main parts and basic parts, some parts also need to undertake stainless steel lap joint stub end processing, gear failure modes are mainly on the surface of the tooth fatigue crack, wear and broken.
Working conditions and failure mode of the gear to stainless steel lap joint stub end material should have high fatigue strength and contact fatigue strength and tooth surface should have high hardness and wear resistance, core should have enough strength and toughness.
stainless steel lap joint stub end
On the impact of the work is smooth, no strong, without too much load is not big, rotational speed, shape, not too complicated, size is not too big gear, can choose 20.45, 40 cr, 4 omnb such as low carbon steel, medium carbon steel, medium carbon low alloy steel and other materials, after tempering, surface quenching or permeability quenching manufacture.
As for poor working conditions, load, high speed, large and often impacted by the strong, shape more complex. Size larger gears, because of the quality of stainless steel lap joint stub end material performance and heat treatment requirements, can choose a few alloy steel.
Source: Zhejiang Yaang Pipe Industry Co., Limited (www.yaang.com)

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