(?)　(?)珩(Heng)磨(Mo)是(Shi)一(Yi)种(Zhong)以(Yi)固(Gu)结(Jie)磨(Mo)粒(Li)压(Ya)力(Li)进(Jin)给(Gei)进(Jin)行(Xing)切(Qie)削(Xiao)的(De)光(Guang)整(Zheng)加(Jia)工(Gong)方(Fang)法(Fa),它(Ta)不(Bu)仅(Jin)可(Ke)以(Yi)降(Jiang)低(Di)加(Jia)工(Gong)表(Biao)面(Mian)的(De)粗(Cu)糙(Cao)度(Du),而(?)且(Qie)在(Zai)一(Yi)定(Ding)的(De)条(Tiao)件(Jian)下(Xia)还(Huan)可(Ke)以(Yi)提(Ti)高(Gao)工(Gong)件(Jian)的(De)尺(Chi)寸(Cun)及(Ji)形(Xing)状(Zhuang)精(Jing)度(Du)。(?)珩(Heng)磨(Mo)加(Jia)工(Gong)主(Zhu)要(Yao)用(Yong)于(Yu)内(Nei)孔(Kong)表(Biao)面(Mian)但(Dan)也(Ye)可(Ke)以(Yi)对(Dui)外(Wai)圆(Yuan)、(?)平(Ping)面(Mian)、(?)球(Qiu)面(Mian)或(Huo)齿(Chi)形(Xing)表(Biao)面(Mian)进(Jin)行(Xing)加(Jia)工(Gong)。(?)珩(Heng)磨(Mo)时(Shi),有(You)切(Qie)削(Xiao)、(?)摩(Mo)擦(Ca)、(?)压(Ya)光(Guang)金(Jin)属(Shu)的(De)过(Guo)程(Cheng),可(Ke)以(Yi)认(Ren)为(Wei)它(Ta)是(Shi)磨(Mo)削(Xiao)加(Jia)工(Gong)的(De)一(Yi)种(Zhong)特(Te)殊(Shu)形(Xing)式(Shi),只(Zhi)是(Shi)珩(Heng)磨(Mo)所(Suo)用(Yong)的(De)磨(Mo)具(Ju)是(Shi)由(You)几(Ji)根(Gen)粒(Li)度(Du)很(Hen)细(Xi)的(De)油(You)石(Shi)组(Zu)成(Cheng)的(De)珩(Heng)磨(Mo)头(Tou)。(?)
 

　(?)　(?)豫(Yu)磨(Mo)珩(Heng)磨(Mo)原(Yuan)理(Li)及(Ji)工(Gong)艺(Yi)特(Te)点(Dian)

　(?)　(?)珩(Heng)磨(Mo)的(De)工(Gong)作(Zuo)原(Yuan)理(Li),珩(Heng)磨(Mo)加(Jia)工(Gong)时(Shi)工(Gong)件(Jian)固(Gu)定(Ding)不(Bu)动(Dong),珩(Heng)磨(Mo)头(Tou)与(Yu)机(Ji)床(Chuang)主(Zhu)轴(Zhou)浮(Fu)动(Dong)连(Lian)在(Zai)一(Yi)定(Ding)压(Ya)力(Li)下(Xia)通(Tong)过(Guo)珩(Heng)磨(Mo)头(Tou)与(Yu)工(Gong)件(Jian)表(Biao)面(Mian)的(De)相(Xiang)对(Dui)运(Yun)动(Dong),从(Cong)而(?)从(Cong)加(Jia)工(Gong)表(Biao)面(Mian)上(Shang)切(Qie)除(Chu)一(Yi)层(Ceng)极(Ji)薄(Bao)的(De)金(Jin)属(Shu)。(?)珩(Heng)磨(Mo)加(Jia)工(Gong)时(Shi),珩(Heng)磨(Mo)头(Tou)有(You)三(San)个(Ge)运(Yun)动(Dong),即(Ji)旋(Xuan)转(Zhuan)运(Yun)动(Dong)、(?)往(Wang)复(Fu)运(Yun)动(Dong)和(He)垂(Chui)直(Zhi)于(Yu)加(Jia)工(Gong)表(Biao)面(Mian)的(De)径(Jing)向(Xiang)加(Jia)压(Ya)运(Yun)动(Dong)。(?)前(Qian)两(Liang)种(Zhong)运(Yun)动(Dong)是(Shi)珩(Heng)磨(Mo)的(De)主(Zhu)运(Yun)动(Dong),它(Ta)们(Men)的(De)合(He)成(Cheng)使(Shi)油(You)石(Shi)上(Shang)的(De)磨(Mo)粒(Li)在(Zai)孔(Kong)的(De)表(Biao)面(Mian)上(Shang)的(De)切(Qie)削(Xiao)轨(Gui)迹(Ji)呈(Cheng)交(Jiao)又(You)而(?)不(Bu)童(Tong)复(Fu)的(De)网(Wang),因(Yin)而(?)易(Yi)获(Huo)得(De)低(Di)表(Biao)面(Mian)粗(Cu)糖(Tang)度(Du)的(De)表(Biao)面(Mian)。(?)径(Jing)向(Xiang)加(Jia)压(Ya)运(Yun)动(Dong)是(Shi)油(You)石(Shi)的(De)进(Jin)给(Gei)运(Yun)动(Dong),加(Jia)压(Ya)力(Li)越(Yue)大(Da),进(Jin)给(Gei)量(Liang)就(Jiu)越(Yue)大(Da)。(?)