Method for Surface Treatment of Waveform Washers

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Method for Surface Treatment of Waveform Washers

date:[2022-09-17]     pk_hits:
雷馳汽車零部件有限公司是標(biāo)準(zhǔn)件、緊固件類產(chǎn)品的專注制造商。下面雷馳要為大家介紹的是關(guān)于波形墊圈表面處理的方法:

波形墊圈表面需要要求進(jìn)行氧化發(fā)黑處理,使得表面無(wú)殘缺、氧化生銹等不良現(xiàn)象。同時(shí)波形墊圈的波形分布也要均勻。波形墊圈由于其形狀特點(diǎn)形如波浪厚度薄且具有彈性因此上料及準(zhǔn)確裝配到位有一定難度。因?yàn)椴ㄐ螇|圈由若干波峰波谷構(gòu)成的薄片環(huán)狀彈性金屬元件選用彈簧鋼經(jīng)特定方法熱處理并根據(jù)具體情況硬度一般控制在HRC44-55之間具有良好彈性。
從化學(xué)成分、顯微組織、斷口形貌、氫含量、硬度等方面對(duì)波形墊圈表面使用過(guò)程中連續(xù)出現(xiàn)早期斷裂的原因進(jìn)行了分析。對(duì)同批零件進(jìn)行了氫脆和回火脆性驗(yàn)證試驗(yàn)分析了除氫時(shí)間、氫含量、硬度以及回火溫度對(duì)斷口形貌的影響同時(shí)對(duì)不同硬度檢測(cè)方法對(duì)波形墊圈硬度值的影響進(jìn)行了分析。
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