(?) (?)磁(Ci)性(Xing)磨(Mo)料(Liao)研(Yan)磨(Mo)是(Shi)在(Zai)磁(Ci)场(Chang)中(Zhong)(N极(Ji)和(He)S极(Ji)之(Zhi)间(Jian))充(Chong)填(Tian)粒(Li)径(Jing)很(Hen)小(Xiao)的(De)磁(Ci)性(Xing)磨(Mo)料(Liao),利(Li)用(Yong)磁(Ci)场(Chang)作(Zuo)用(Yong)使(Shi)之(Zhi)形(Xing)成(Cheng)磁(Ci)力(Li)研(Yan)磨(Mo)刷(Shua),使(Shi)工(Gong)件(Jian)在(Zai)其(Qi)中(Zhong)边(Bian)回(Hui)转(Zhuan)、(?)边(Bian)振(Zhen)动(Dong),从(Cong)面(Mian)实(Shi)现(Xian)工(Gong)件(Jian)表(Biao)面(Mian)的(De)研(Yan)磨(Mo),去(Qu)毛(Mao)刺(Ci)和(He)精(Jing)密(Mi)倒(Dao)圆(Yuan)。(?)
(?) (?)(1)加(Jia)工(Gong)原(Yuan)理(Li) (?)以(Yi)研(Yan)磨(Mo)外(Wai)圆(Yuan)柱(Zhu)表(Biao)面(Mian)为(Wei)例(Li),其(Qi)加(Jia)工(Gong)原(Yuan)理(Li)下(Xia)面(Mian)来(Lai)进(Jin)行(Xing)讲(Jiang)解(Jie)。(?)将(Jiang)工(Gong)件(Jian)放(Fang)置(Zhi)在(Zai)由(You)电(Dian)磁(Ci)铁(Tie)N极(Ji)和(He)S极(Ji)构(Gou)成(Cheng)的(De)磁(Ci)场(Chang)中(Zhong),在(Zai)电(Dian)磁(Ci)铁(Tie)与(Yu)工(Gong)件(Jian)之(Zhi)间(Jian)填(Tian)充(Chong)磁(Ci)性(Xing)磨(Mo)粒(Li),这(Zhe)是(Shi)一(Yi)种(Zhong)兼(Jian)有(You)磁(Ci)化(Hua)性(Xing)质(Zhi)和(He)研(Yan)磨(Mo)能(Neng)力(Li)的(De)直(Zhi)径(Jing)为(Wei)几(Ji)微(Wei)米(Mi)至(Zhi)一(Yi)百(Bai)多(Duo)微(Wei)米(Mi)的(De)粒(Li)状(Zhuang)体(Ti)。(?)当(Dang)对(Dui)电(Dian)磁(Ci)铁(Tie)通(Tong)以(Yi)直(Zhi)流(Liu)电(Dian)时(Shi),在(Zai)N、(?)S两(Liang)极(Ji)之(Zhi)间(Jian)便(Bian)产(Chan)生(Sheng)磁(Ci)场(Chang)。(?)磁(Ci)性(Xing)磨(Mo)粒(Li)被(Bei)磁(Ci)极(Ji)吸(Xi)引(Yin),在(Zai)磁(Ci)力(Li)作(Zuo)用(Yong)下(Xia),磨(Mo)粒(Li)沿(Yan)磁(Ci)力(Li)线(Xian)整(Zheng)齐(Qi)地(Di)排(Pai)列(Lie)成(Cheng)刷(Shua)子(Zi)状(Zhuang),即(Ji)所(Suo)谓(Wei)磁(Ci)力(Li)研(Yan)磨(Mo)刷(Shua)。(?)磁(Ci)力(Li)研(Yan)磨(Mo)刷(Shua)在(Zai)磁(Ci)场(Chang)作(Zuo)用(Yong)下(Xia),边(Bian)保(Bao)持(Chi)加(Jia)工(Gong)间(Jian)隙(Xi),边(Bian)向(Xiang)工(Gong)件(Jian)表(Biao)面(Mian)加(Jia)力(Li),在(Zai)使(Shi)工(Gong)件(Jian)回(Hui)转(Zhuan)并(Bing)沿(Yan)轴(Zhou)向(Xiang)作(Zuo)振(Zhen)动(Dong)时(Shi),磁(Ci)力(Li)研(Yan)磨(Mo)刷(Shua)与(Yu)工(Gong)件(Jian)产(Chan)生(Sheng)相(Xiang)对(Dui)运(Yun)动(Dong),工(Gong)件(Jian)表(Biao)面(Mian)就(Jiu)受(Shou)到(Dao)磁(Ci)性(Xing)磨(Mo)粒(Li)的(De)研(Yan)磨(Mo)。(?)
(?) (?)(2)外(Wai)圆(Yuan)和(He)内(Nei)孔(Kong)表(Biao)面(Mian)的(De)礅(Dun)力(Li)研(Yan)磨(Mo) (?)是(Shi)外(Wai)圆(Yuan)表(Biao)面(Mian)的(De)磁(Ci)力(Li)研(Yan)磨(Mo)装(Zhuang)置(Zhi)。(?)在(Zai)由(You)线(Xian)圈(Quan)、(?)磁(Ci)极(Ji)及(Ji)轭(E)铁(Tie)构(Gou)成(Cheng)的(De)闭(Bi)合(He)磁(Ci)路(Lu)空(Kong)隙(Xi)部(Bu)分(Fen)放(Fang)置(Zhi)工(Gong)件(Jian)和(He)磁(Ci)性(Xing)磨(Mo)料(Liao)。(?)磁(Ci)路(Lu)由(You)设(She)置(Zhi)在(Zai)平(Ping)台(Tai)上(Shang)的(De)绝(Jue)缘(Yuan)体(Ti)支(Zhi)撑(Cheng)。(?)研(Yan)磨(Mo)装(Zhuang)量(Liang)安(An)装(Zhuang)在(Zai)立(Li)式(Shi)镜(Jing)床(Chuang)的(De)工(Gong)作(Zuo)台(Tai)上(Shang),通(Tong)过(Guo)主(Zhu)轴(Zhou)使(Shi)工(Gong)件(Jian)作(Zuo)回(Hui)转(Zhuan)和(He)上(Shang)下(Xia)进(Jin)给(Gei)运(Yun)动(Dong)。(?)设(She)计(Ji)磁(Ci)路(Lu)时(Shi),通(Tong)过(Guo)计(Ji)算(Suan)磁(Ci)导(Dao)率(Lu)来(Lai)决(Jue)定(Ding)各(Ge)部(Bu)分(Fen)的(De)尺(Chi)寸(Cun)。(?)磁(Ci)力(Li)研(Yan)磨(Mo)外(Wai)圆(Yuan)表(Biao)面(Mian),不(Bu)仅(Jin)可(Ke)提(Ti)高(Gao)圆(Yuan)度(Du)精(Jing)度(Du),同(Tong)时(Shi)也(Ye)可(Ke)使(Shi)圆(Yuan)柱(Zhu)度(Du)精(Jing)度(Du)有(You)所(Suo)提(Ti)高(Gao)。(?)
(?) (?)以(Yi)工(Gong)件(Jian)回(Hui)转(Zhuan)、(?)磁(Ci)极(Ji)静(Jing)止(Zhi)的(De)方(Fang)式(Shi)能(Neng)对(Dui)内(Nei)径(Jing)大(Da)的(De)工(Gong)件(Jian)进(Jin)行(Xing)内(Nei)表(Biao)面(Mian)研(Yan)磨(Mo),其(Qi)加(Jia)工(Gong)原(Yuan)理(Li)同(Tong)外(Wai)圆(Yuan)表(Biao)面(Mian)研(Yan)磨(Mo)一(Yi)样(Yang)。(?)但(Dan)是(Shi),用(Yong)这(Zhe)种(Zhong)方(Fang)法(Fa)时(Shi),由(You)于(Yu)强(Qiang)磁(Ci)性(Xing)体(Ti)设(She)置(Zhi)在(Zai)内(Nei)径(Jing)里(Li),对(Dui)于(Yu)内(Nei)径(Jing)小(Xiao)的(De)工(Gong)件(Jian),会(Hui)使(Shi)强(Qiang)磁(Ci)性(Xing)体(Ti)和(He)工(Gong)件(Jian)内(Nei)表(Biao)面(Mian)之(Zhi)间(Jian)的(De)距(Ju)离(Li)变(Bian)小(Xiao),向(Xiang)与(Yu)加(Jia)工(Gong)无(Wu)关(Guan)的(De)部(Bu)位(Wei)漏(Lou)磁(Ci)量(Liang)比(Bi)例(Li)增(Zeng)加(Jia),造(Zao)成(Cheng)加(Jia)工(Gong)部(Bu)位(Wei)的(De)磁(Ci)场(Chang)强(Qiang)度(Du)下(Xia)降(Jiang),磁(Ci)场(Chang)分(Fen)布(Bu)恶(E)化(Hua)。(?)
(?) (?)因(Yin)此(Ci)，(?)当(Dang)研(Yan)磨(Mo)内(Nei)径(Jing)小(Xiao)的(De)工(Gong)件(Jian)内(Nei)表(Biao)面(Mian)时(Shi),可(Ke)采(Cai)用(Yong)磁(Ci)极(Ji)回(Hui)转(Zhuan)达(Da)的(De)磁(Ci)力(Li)研(Yan)磨(Mo)方(Fang)法(Fa)。(?)
(?) (?)(3)磁(Ci)磨(Mo)料(Liao)磁(Ci)磨(Mo)料(Liao)是(Shi)一(Yi)种(Zhong)复(Fu)合(He)磨(Mo)料(Liao),通(Tong)常(Chang)是(Shi)将(Jiang)具(Ju)有(You)强(Qiang)磁(Ci)性(Xing)的(De)铁(Tie)磁(Ci)性(Xing)物(Wu)质(Zhi)和(He)具(Ju)有(You)磨(Mo)削(Xiao)性(Xing)能(Neng)的(De)磨(Mo)料(Liao)按(An)一(Yi)定(Ding)比(Bi)例(Li)混(Hun)合(He)后(Hou),经(Jing)烧(Shao)结(Jie)、(?)粉(Fen)碎(Sui)、(?)球(Qiu)磨(Mo)、(?)筛(Shai)选(Xuan)等(Deng)工(Gong)序(Xu)制(Zhi)成(Cheng)。(?)也(Ye)可(Ke)采(Cai)用(Yong)电(Dian)铸(Zhu)或(Huo)等(Deng)高(Gao)子(Zi)粉(Fen)末(Mo)熔(Rong)融(Rong)法(Fa)制(Zhi)作(Zuo)。(?)作(Zuo)为(Wei)铁(Tie)磁(Ci)性(Xing)物(Wu)质(Zhi)的(De)有(You):铁(Tie)、(?)铁(Tie)合(He)金(Jin)和(He)铁(Tie)的(De)氧(Yang)化(Hua)物(Wu);作(Zuo)为(Wei)磨(Mo)料(Liao)的(De)有(You):氧(Yang)化(Hua)铝(Lu)、(?)碳(Tan)化(Hua)物(Wu)、(?)金(Jin)刚(Gang)石(Shi)等(Deng)。(?)
(?) (?)(4)特(Te)点(Dian)
(?) (?)1)根(Gen)据(Ju)磁(Ci)力(Li)研(Yan)磨(Mo)的(De)原(Yuan)理(Li),通(Tong)过(Guo)改(Gai)变(Bian)线(Xian)圆(Yuan)的(De)励(Li)磁(Ci)电(Dian)漉(Lu)(即(Ji)磁(Ci)场(Chang)的(De)强(Qiang)度(Du))可(Ke)以(Yi)很(Hen)容(Rong)易(Yi)地(Di)控(Kong)制(Zhi)研(Yan)磨(Mo)压(Ya)力(Li)。(?)此(Ci)外(Wai),还(Huan)能(Neng)调(Diao)节(Jie)磁(Ci)性(Xing)磨(Mo)粒(Li)的(De)保(Bao)持(Chi)力(Li)及(Ji)自(Zi)动(Dong)向(Xiang)加(Jia)工(Gong)区(Qu)供(Gong)给(Gei)、(?)排(Pai)出(Chu)及(Ji)回(Hui)收(Shou)磁(Ci)性(Xing)磨(Mo)粒(Li)。(?)
(?) (?)2)由(You)于(Yu)磁(Ci)极(Ji)和(He)工(Gong)件(Jian)表(Biao)面(Mian)之(Zhi)间(Jian)有(You)加(Jia)工(Gong)间(Jian)隙(Xi)(1-4mm),因(Yin)此(Ci)通(Tong)过(Guo)磁(Ci)力(Li)研(Yan)磨(Mo)刷(Shua)进(Jin)行(Xing)柔(Rou)性(Xing)研(Yan)磨(Mo),不(Bu)仅(Jin)可(Ke)用(Yong)于(Yu)圆(Yuan)柱(Zhu)和(He)平(Ping)面(Mian)研(Yan)磨(Mo),还(Huan)可(Ke)以(Yi)进(Jin)行(Xing)异(Yi)形(Xing)表(Biao)面(Mian)和(He)自(Zi)由(You)曲(Qu)面(Mian)的(De)研(Yan)磨(Mo)。(?)
(?) (?)3)在(Zai)磁(Ci)极(Ji)结(Jie)构(Gou)一(Yi)定(Ding)的(De)情(Qing)况(Kuang)下(Xia),通(Tong)过(Guo)控(Kong)制(Zhi)磁(Ci)感(Gan)应(Ying)强(Qiang)度(Du),即(Ji)可(Ke)调(Diao)节(Jie)磨(Mo)削(Xiao)力(Li),加(Jia)工(Gong)过(Guo)程(Cheng)容(Rong)易(Yi)现(Xian)自(Zi)动(Dong)化(Hua)。(?)
(?) (?)4)可(Ke)以(Yi)在(Zai)干(Gan)燥(Zao)状(Zhuang)态(Tai)下(Xia)加(Jia)工(Gong)。(?)磁(Ci)性(Xing)材(Cai)料(Liao)被(Bei)约(Yue)束(Shu)在(Zai)磁(Ci)极(Ji)之(Zhi)间(Jian),不(Bu)会(Hui)污(Wu)染(Ran)操(Cao)作(Zuo)环(Huan)境(Jing)。(?)
(?) (?)5)磨(Mo)料(Liao)沿(Yan)加(Jia)工(Gong)表(Biao)面(Mian)不(Bu)断(Duan)滚(Gun)动(Dong)和(He)更(Geng)换(Huan)位(Wei)量(Liang),使(Shi)其(Qi)具(Ju)有(You)良(Liang)***的(De)自(Zi)锐(Rui)性(Xing)。(?)
(?) (?)6)加(Jia)工(Gong)效(Xiao)率(Lu)高(Gao)。(?)研(Yan)磨(Mo)前(Qian)表(Biao)面(Mian)粗(Cu)糙(Cao)度(Du)为(Wei)R,5~6m的(De)不(Bu)锈(Xiu)钢(Gang)零(Ling)件(Jian),经(Jing)120研(Yan)磨(Mo)后(Hou),即(Ji)可(Ke)达(Da)到(Dao)目(Mu)标(Biao)。(?)
(?) (?)7)既(Ji)可(Ke)磨(Mo)削(Xiao)铁(Tie)磁(Ci)性(Xing)材(Cai)料(Liao),也(Ye)可(Ke)磨(Mo)削(Xiao)非(Fei)铁(Tie)磁(Ci)性(Xing)材(Cai)料(Liao)。(?)
(?) (?)(5)磁(Ci)磨(Mo)料(Liao)磁(Ci)力(Li)研(Yan)磨(Mo)的(De)应(Ying)用(Yong)磁(Ci)磨(Mo)料(Liao)研(Yan)磨(Mo)适(Shi)用(Yong)于(Yu)精(Jing)密(Mi)零(Ling)件(Jian)的(De)研(Yan)磨(Mo)、(?)抛(Pao)光(Guang)和(He)去(Qu)毛(Mao)刺(Ci),如(Ru)轴(Zhou)承(Cheng)内(Nei)外(Wai)滚(Gun)道(Dao)、(?)液(Ye)压(Ya)机(Ji)械(Xie)用(Yong)的(De)滑(Hua)阀(Fa)、(?)齿(Chi)轮(Lun)泵(Beng)、(?)家(Jia)用(Yong)不(Bu)锈(Xiu)钢(Gang)器(Qi)皿(Min)、(?)螺(Luo)纹(Wen)轧(Zha)辊(Gun)、(?)手(Shou)表(Biao)表(Biao)壳(Ke)、(?)缝(Feng)纫(Ren)机(Ji)零(Ling)件(Jian)等(Deng)。(?)过(Guo)去(Qu)必(Bi)须(Xu)用(Yong)手(Shou)工(Gong)进(Jin)行(Xing)的(De)去(Qu)毛(Mao)刺(Ci)和(He)抛(Pao)光(Guang)工(Gong)序(Xu),有(You)可(Ke)能(Neng)在(Zai)很(Hen)大(Da)程(Cheng)度(Du)上(Shang)应(Ying)用(Yong)磁(Ci)磨(Mo)料(Liao)研(Yan)磨(Mo)而(?)实(Shi)现(Xian)自(Zi)动(Dong)化(Hua)。(?)磁(Ci)磨(Mo)料(Liao)研(Yan)磨(Mo)不(Bu)仅(Jin)可(Ke)用(Yong)于(Yu)以(Yi)铁(Tie)和(He)碳(Tan)素(Su)钢(Gang)、(?)合(He)金(Jin)钢(Gang)等(Deng)磁(Ci)性(Xing)材(Cai)料(Liao)制(Zhi)作(Zuo)的(De)零(Ling)件(Jian),也(Ye)适(Shi)用(Yong)于(Yu)黄(Huang)铜(Tong)不(Bu)锈(Xiu)钢(Gang)和(He)钛(Tai)合(He)金(Jin)等(Deng)非(Fei)磁(Ci)性(Xing)金(Jin)属(Shu)材(Cai)料(Liao),以(Yi)及(Ji)陶(Tao)瓷(Ci)、(?)硅(Gui)片(Pian)等(Deng)非(Fei)金(Jin)属(Shu)材(Cai)料(Liao)。(?)
(?) (?)但(Dan)磁(Ci)性(Xing)磨(Mo)粒(Li)研(Yan)磨(Mo)特(Te)性(Xing)受(Shou)多(Duo)种(Zhong)因(Yin)素(Su)影(Ying)响(Xiang),如(Ru)磁(Ci)场(Chang)强(Qiang)度(Du)、(?)磁(Ci)极(Ji)形(Xing)状(Zhuang)、(?)磨(Mo)粒(Li)磁(Ci)化(Hua)特(Te)性(Xing)、(?)被(Bei)加(Jia)工(Gong)材(Cai)料(Liao)材(Cai)质(Zhi)、(?)形(Xing)状(Zhuang)和(He)尺(Chi)寸(Cun)及(Ji)加(Jia)工(Gong)间(Jian)隙(Xi)等(Deng),所(Suo)以(Yi)对(Dui)各(Ge)种(Zhong)工(Gong)件(Jian)必(Bi)须(Xu)选(Xuan)取(Qu)***佳(Jia)加(Jia)工(Gong)条(Tiao)件(Jian)。(?)
