磨削類型
外圓磨削
首要在外圓磨床上進行,用以磨削軸類工件的外圓柱、waiyuanzhuihezhoujianduanmian。moxueshi,gongjiandisuxuanzhuan,jiarugongjiantongshizuozongxiangwangfuyidongbingzaizongxiangyidongdemeicidanxingchenghuoshuangxingchenghoushalunxiangduigongjianzuohengxiangjingei,chengweizongxiangmoxuefa(圖1)。假如砂輪寬度大於被磨削外表的長度,則工件在磨削過程中不作縱向移動,而er是shi砂sha輪lun相xiang對dui工gong件jian連lian續xu進jin行xing橫heng向xiang進jin給gei,稱cheng為wei切qie入ru磨mo削xue法fa。一yi般ban切qie入ru磨mo削xue法fa功gong率lv高gao於yu縱zong向xiang磨mo削xue法fa。假jia如ru將jiang砂sha輪lun修xiu整zheng成cheng成cheng形xing麵mian,切qie入ru磨mo削xue法fa可ke加jia工gong成cheng形xing的de外wai外wai表biao。
內圓磨削
首要用於在內圓磨床、萬能外圓磨床和坐標磨床上磨削工件的圓柱孔(圖2)、yuanzhuikonghekongduanmian。yibanxuanyongzongxiangmoxuefa。moxuechengxingneiwaibiaoshi,kexuanyongqierumoxuefa。zaizuobiaomochuangshangmoxueneikongshi,gongjiangudingzaizuoyetaishang,shalunchuzuogaosuxuanzhuanwai,hairaosuomokongdezhongxinxianzuoxingxingyundong。neiyuanmoxueshi,由於砂輪直徑小,磨削速度常常低於30米/秒。
平麵磨削
首要用於在平麵磨床上磨削平麵、溝槽等。平麵磨削有兩種:用砂輪外圓外表磨削的稱為周邊磨削(圖3),一般運用臥軸平麵磨床,如用成形砂輪也可加工各種成形麵;用砂輪端麵磨削的稱為端麵磨削,一般運用立軸平麵磨床。
無心磨削
一yi般ban在zai無wu心xin磨mo床chuang上shang進jin行xing,用yong以yi磨mo削xue工gong件jian外wai圓yuan。磨mo削xue時shi,工gong件jian不bu用yong頂ding尖jian定ding心xin和he支zhi承cheng,而er是shi放fang在zai砂sha輪lun與yu導dao輪lun之zhi間jian,由you其qi下xia方fang的de托tuo板ban支zhi承cheng,並bing由you導dao輪lun帶dai動dong旋xuan轉zhuan。當dang導dao輪lun軸zhou線xian與yu砂sha輪lun軸zhou線xian調tiao整zheng成cheng斜xie交jiao1°~6°時,工件能邊旋轉邊主動沿軸向作縱向進給運動,這稱為貫穿磨削(圖4)。貫guan穿chuan磨mo削xue隻zhi能neng用yong於yu磨mo削xue外wai圓yuan柱zhu麵mian。選xuan用yong切qie入ru式shi無wu心xin磨mo削xue時shi,須xu把ba導dao輪lun軸zhou線xian與yu砂sha輪lun軸zhou線xian調tiao整zheng成cheng相xiang互hu平ping行xing,使shi工gong件jian支zhi承cheng在zai托tuo板ban上shang不bu作zuo軸zhou向xiang移yi動dong,砂sha輪lun相xiang對dui導dao輪lun連lian續xu作zuo橫heng向xiang進jin給gei。切qie入ru式shi無wu心xin磨mo削xue可ke加jia工gong成cheng形xing麵mian。無wu心xin磨mo削xue也ye可ke用yong於yu內nei圓yuan磨mo削xue,加jia工gong時shi工gong件jian外wai圓yuan支zhi承cheng在zai滾gun輪lun或huo支zhi承cheng塊kuai上shang定ding心xin,並bing用yong偏pian疼teng電dian磁ci吸xi力li環huan帶dai動dong工gong件jian旋xuan轉zhuan,砂sha輪lun伸shen入ru孔kong內nei進jin行xing磨mo削xue,此ci刻ke外wai圓yuan作zuo為wei定ding位wei基ji準zhun,可ke保bao證zheng內nei圓yuan與yu外wai圓yuan同tong心xin。無wu心xin內nei圓yuan磨mo削xue常chang用yong於yu在zai軸zhou承cheng環huan專zhuan用yong磨mo床chuang上shang磨mo削xue軸zhou承cheng環huan內nei溝gou道dao。
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