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The retaining ring for shaft has overheating sensitivity and temper brittleness tendency during heat treatment

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The retaining ring for shaft has overheating sensitivity and temper brittleness tendency during heat treatment

date:[2018-05-25]     pk_hits:
軸用擋圈的材料特性:它是用途較廣的碳素彈簧鋼,與65鋼相比,具有較高的強(qiáng)度、硬度、彈性和淬透性,臨界淬透直徑在水中一般為30~50mm,油中一般為16-32mm,熱處理時(shí)有過(guò)熱敏感性和回火脆性?xún)A向,水淬時(shí)易開(kāi)裂,一般采用油淬,截面尺寸>80的宜水淬油冷:退火后切削性尚好,但冷變形塑性低,焊接性能差。
擋圈(卡簧/卡環(huán))

常規(guī)包裝以油紙或塑料為一個(gè)批次包裝,表面一般以磷化發(fā)黑為主,俗稱(chēng)外卡。軸用擋圈生產(chǎn)時(shí)需要注意的幾方面;一是表面平整;二是硬度彈性合格;三是不能有邊角毛刺,國(guó)內(nèi)目前廠家有質(zhì)品五金,具備了擋圈成熟化工藝。
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