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No. 30, Kaizhuang Industrial Zone, Qindong Town, Dongtai City
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Dongtai Zhipin Hardware Machinery Co., Ltd
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NegotiableUpdate on 05/20
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Overview
DIN471 shaft elastic retaining ring, also known as shaft clamp spring or outer clamp spring, is installed on the shaft and used to fix the annular parts on the shaft that move axially. The specifications range from 3-300, and the materials include spring steel 65Mn, C67S, stainless steel 304, 2Cr13, etc.
Product Details
DIN471External CirclipsAlso known as shaft clamp spring or outer clamp spring, it is installed on the groove shaft to prevent axial movement of components such as bearings. The specifications range from 3-300, with standard thickness and thickened type (heavy-duty), A type and B type, and materials including spring steel 65Mn, C67S, stainless steel 304, 2Cr13, etc. The hardness requirements for retaining rings with different shaft diameters are different. When the shaft diameter d1 ≤ 48mm, the hardness is 470HV-580HV; When 48mm<d1 ≤ 200mm, the hardness is 435HV-530HV; When 200mm<d1 ≤ 300mm, the hardness is 390HV-470HV.
spring steelExternal CirclipsThe surface is generally blackened or phosphated, and galvanizing is generally not recommended (galvanizing has a risk of hydrogen embrittlement and fracture). Dacromet surface treatment can also be performed.
Testing standards: Conventional testing includes hardness testing and elasticity testing. Seam gauge test, etc., to ensure that the performance of the retaining ring meets the standards.
Installation method: During installation, use snap ring pliers to insert the pliers mouth into the clamp hole of the retaining ring, expand the retaining ring, and place it into the pre processed shaft groove.
DIN471External CirclipsApplication areas: Widely used in automotive manufacturing, precision machinery, energy equipment and other fields, such as fixing automotive gearbox bearings, fixing machine tool spindle bearings, fixing wind turbine gearbox bearings, etc.
