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研磨,在閥門制造過程中是其密封面常用的一種光整加工方法。研磨可以使閥門密封面獲得很高的尺寸精度、幾何形狀粗度及表面粗糙度,但不能提高密封面各表面間的相互位置精度。研磨后的閥門密封面通常可以到的尺寸精度為 0.001~0.003mm;幾何形狀精度(如不平度)為 0.001mm;表面粗糙度為 0.1~0.008。

mifengmianyanmodejibenyuanlibaokuoyanmoguocheng、yanmoyundong、yanmosudu、yanmoyalijiyanmoyuliangwugefangmian。

1 研磨過程

yanjuyumifengquanbiaomianhenhaodijinhezaiyiqi,yanjuyantiehebiaomianzuofuzadeyanmoyundong。yanjuyumifengquanbiaomianjianfangyouyanmoji,dangyanjuyumifengquanbiaomianxiangduiyundongshi,yanmojizhongdebufenmolizaiyanjuyumifengquanbiaomianjianhuadonghuogundong,qiequmifengquanbiaomianshanghenbodeyicengjinshu。mifengquanbiaomianshangdetufengbufenshouxianbeimoqu,ranhoujianjiandadaoyaoqiudejihexingzhuang。

yanmobujinshimoliaoduijinshudejixiejiagongguocheng,tongshihuanyouhuaxuezuoyong。yanmojizhongdeyouzhinengshibeijiagongbiaomianxingchengyanghuamo,congerjiasuleyanmoguocheng。

2 研磨運動

yanjuyumifengquanbiaomianxiangduiyundongshi,mifengquanbiaomianshangmeiyidianduiyanjudexiangduihuadongluhedouyinggaixiangtong。bingqie,xiangduiyundongdefangxiangyingbuduanbiangeng。yundongfangxiangdebuduanbianhuashimeiyimolibuhuizaimifengquanbiaomianshangzhongfuzijiyundongguiji,yimianzaochengmingxiandemohenerzenggaomifengquanbiaomiandecucaodu。ciwai,yundongfangxiangdeweiduanbianhuabunengshiyanmojifenbudebijiaojunyun,congerjiaojunyundiqiequmifengquanbiaomiandejinshu。

yanmoyundongjinguanfuza,yundongfangxiangjinguandabianhua,danyanmoyundongshizhongshiyanzhuyanjuyumifengquanbiaomiandetiehebiaomianjinxingde。wulunshishougongyanmohuojixieyanmo,mifengquanbiaomiandejihexingzhuangjingduzezhuyaoshouyanjudejihexingzhuangjingdujiyanmoyundongdeyingxiang。

3 研磨速度

yanmoyundongdesuduyuekuai,yanmodexiaolvyeyuegao。yanmosudukuai,zaidanweishijianneigongjianbiaomianshangtongguodemolibijiaoduo,qiequdejinshuyeduo。

yanmosudutongchangwei 10~240m/min。yanmojingduyaoqiugaodegongjian,yanmosuduyibanbuchaoguo 30m/min。famenmifengmiandeyanmosuduyumifengmiandecailiaoyouguan,tongjizhutiemifengmiandeyanmosuduwei 10~45m/min;cuiyinggangjiyingzhihejinmifengmianwei 25~80m/min;aoshitibuxiugangmifengmianwei 10~25m/min。

4 研磨壓力

yanmoxiaolvsuiyanmoyalidezengdaertigao,yanmoyalibunengguoda,yibanwei 0.01~0.4mpa。

yanmozhutie、tongjiaoshitibuxiugangcailiaodemifengmianshi,yanmoyaliwei 0.1~0.3mpa;cuiyinggangheyingzhihejinmifengmianwei 0.15~0.4mpa。cuyanshiqujiaodazhi,jingyanshiqujiaoxiaozhi。

5 研磨余量

youyuyanmoshiguangzhengjiagonggongxu,guqiexuelianghenxiao。yanmoyuliangdedaxiaoqujueyushangdaogongxudejiagongjingduhebiaomiancucaodu。zaibaozhengquchushangdaogongxujiagonghenjihexiuzhengmifengquanjihexingzhuangwuchadeqiantixia,yanmoyuliangyuxiaoyuhao。

mifengmianyanmoqianyibanyingjingguojingmo。jingjingmohoudemifengmiankezhijiejingyan,qizuixiaoyanmoyuliangwei:zhijingyuliangwei 0.008~0.020mm;pingmianyuliangwei 0.006~0.015mm。shougongyanmohuocailiaoyingdujiaogaoshiquxiaozhi,jixieyanmohuocailiaoyingdujiaodishiqudazhi。

fatimifengmianbubianmoxuejiagong,kecaiyongjingche。jingchehoudemifengmianxucuyanhoucainengjinxingjingyan,qipingmianyuliangwei 0.012~0.050mm。


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