圓形任務臺又名圓形鑄鐵定盤，圓形機床定盤，裝備了可以拆開的導磁條，鑄鐵定盤可以在上面加工成一些固定工件所需的非凡工裝，知足一些非凡車削工藝的需求。
鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤是立式車床裝(zhuang)(zhuang)夾(jia)(jia)(jia)工(gong)件(jian)的(de)(de)新型(xing)隸屬東西。本(ben)來立式車床只(zhi)能(neng)應(ying)用(yong)(yong)壓板(ban)螺栓和卡鉗裝(zhuang)(zhuang)夾(jia)(jia)(jia)工(gong)件(jian)，車削(xue)(xue)加(jia)工(gong)進程中反重復復地裝(zhuang)(zhuang)拆夾(jia)(jia)(jia)具，不成(cheng)(cheng)能(neng)一次(ci)性完(wan)成(cheng)(cheng)端(duan)面(mian)、內(nei)圓(yuan)(yuan)、外圓(yuan)(yuan)的(de)(de)車削(xue)(xue)加(jia)工(gong)；還(huan)有些(xie)(xie)工(gong)件(jian)別的(de)(de)加(jia)焊裝(zhuang)(zhuang)夾(jia)(jia)(jia)的(de)(de)胎(tai)架，鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤完(wan)成(cheng)(cheng)后再(zai)割除胎(tai)架，打(da)磨修整，鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤尤其有些(xie)(xie)壁厚不大的(de)(de)環形工(gong)件(jian)，假(jia)如(ru)(ru)用(yong)(yong)夾(jia)(jia)(jia)鉗固定(ding)(ding)(ding)(ding) 會變形掉圓(yuan)(yuan)，用(yong)(yong)壓板(ban)螺栓固定(ding)(ding)(ding)(ding)，鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤工(gong)序翻來覆去很不便(bian)利。既影(ying)響加(jia)工(gong)度(du)，鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤又操(cao)作復雜，辛(xin)苦費時。假(jia)如(ru)(ru)采用(yong)(yong)圓(yuan)(yuan)形永磁(ci)任(ren)務臺(tai)(tai)固定(ding)(ding)(ding)(ding)工(gong)件(jian)，鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤只(zhi)須將(jiang)工(gong)件(jian)放在圓(yuan)(yuan)臺(tai)(tai)面(mian)上(shang)，再(zai)應(ying)用(yong)(yong)圓(yuan)(yuan)臺(tai)(tai)上(shang)設置(zhi)的(de)(de)齊(qi)心(xin)(xin)刻度(du)尺和齊(qi)心(xin)(xin)滑塊找圓(yuan)(yuan)、找正、扭轉磁(ci)力開(kai)關，工(gong)件(jian)即被緊緊吸住。可以一次(ci)性完(wan)成(cheng)(cheng)端(duan)面(mian)、鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤內(nei)圓(yuan)(yuan)、外圓(yuan)(yuan)的(de)(de)車削(xue)(xue)。此工(gong)藝簡略、快捷(jie)、準確、省力，縮短輔佐任(ren)務工(gong)夫，進步任(ren)務效率。圓(yuan)(yuan)形任(ren)務臺(tai)(tai)上(shang)還(huan)裝(zhuang)(zhuang)備(bei)了可以拆開(kai)的(de)(de)導(dao)磁(ci)條，鑄(zhu)鐵(tie)(tie)定(ding)(ding)(ding)(ding)盤可以在上(shang)面(mian)加(jia)工(gong)成(cheng)(cheng)一些(xie)(xie)固定(ding)(ding)(ding)(ding)工(gong)件(jian)所(suo)需(xu)的(de)(de)非(fei)凡工(gong)裝(zhuang)(zhuang)，知(zhi)足一些(xie)(xie)非(fei)凡車削(xue)(xue)工(gong)藝的(de)(de)需(xu)求(qiu)。