直線滑(hua)動單元(yuan)的安裝(zhuang)只要在(zai)銑削(xue)或研磨加(jia)工的安裝(zhuang)面上，以(yi)一定的組裝(zhuang)步驟，即能重現直線滑(hua)動單元(yuan)的加(jia)工密(mi)度(du)，可(ke)降(jiang)低傳統(tong)鏟(chan)花加(jia)工的時間與成本。并且其可(ke)互(hu)換之特性(xing)，可(ke)以(yi)將滑(hua)塊任意配(pei)裝(zhuang)在(zai)同(tong)型(xing)號(hao)的滑(hua)軌上，同(tong)時又保(bao)(bao)持相(xiang)同(tong)的順暢度(du)與精密(mi)度(du)，機臺組裝(zhuang)最(zui)(zui)容易(yi)，維修保(bao)(bao)養最(zui)(zui)容易(yi)，維修保(bao)(bao)養最(zui)(zui)簡單。
直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)移動(dong)(dong)(dong)元(yuan)(yuan)(yuan)(yuan)件和固(gu)定元(yuan)(yuan)(yuan)(yuan)件之(zhi)間(jian)不(bu)用(yong)(yong)(yong)(yong)中間(jian)介質，而用(yong)(yong)(yong)(yong)滾動(dong)(dong)(dong)鋼(gang)(gang)球(qiu)(qiu)。因為(wei)(wei)(wei)(wei)滾動(dong)(dong)(dong)鋼(gang)(gang)球(qiu)(qiu)適應于高(gao)速運(yun)(yun)動(dong)(dong)(dong)、摩擦系(xi)(xi)(xi)數(shu)小、靈敏(min)度(du)(du)(du)高(gao)，滿(man)足(zu)運(yun)(yun)動(dong)(dong)(dong)部(bu)(bu)件的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)要求(qiu)，如機床的(de)(de)(de)(de)(de)(de)刀架(jia)，拖板(ban)等。直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)固(gu)定元(yuan)(yuan)(yuan)(yuan)件(導(dao)(dao)(dao)軌(gui)(gui))的(de)(de)(de)(de)(de)(de)基本功能(neng)(neng)如同軸承環，安(an)裝(zhuang)鋼(gang)(gang)球(qiu)(qiu)的(de)(de)(de)(de)(de)(de)支(zhi)架(jia)，形狀為(wei)(wei)(wei)(wei)“v”字形。支(zhi)架(jia)包裹著導(dao)(dao)(dao)軌(gui)(gui)的(de)(de)(de)(de)(de)(de)頂(ding)部(bu)(bu)和兩(liang)側面。為(wei)(wei)(wei)(wei)了(le)支(zhi)撐(cheng)機床的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件，一(yi)套直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)至少有四個(ge)支(zhi)架(jia)。用(yong)(yong)(yong)(yong)于支(zhi)撐(cheng)大型的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件，支(zhi)架(jia)的(de)(de)(de)(de)(de)(de)數(shu)量可以多于四個(ge)。機床的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件移動(dong)(dong)(dong)時，鋼(gang)(gang)球(qiu)(qiu)就(jiu)(jiu)在(zai)支(zhi)架(jia)溝(gou)槽中循環流動(dong)(dong)(dong)，把(ba)支(zhi)架(jia)的(de)(de)(de)(de)(de)(de)磨(mo)損(sun)量分攤(tan)到各個(ge)鋼(gang)(gang)球(qiu)(qiu)上，從而延長(chang)直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)(yong)壽命。為(wei)(wei)(wei)(wei)了(le)消除支(zhi)架(jia)與導(dao)(dao)(dao)軌(gui)(gui)之(zhi)間(jian)的(de)(de)(de)(de)(de)(de)間(jian)隙，預(yu)加(jia)(jia)(jia)負(fu)(fu)載能(neng)(neng)提高(gao)導(dao)(dao)(dao)軌(gui)(gui)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)穩定性，預(yu)加(jia)(jia)(jia)負(fu)(fu)荷(he)的(de)(de)(de)(de)(de)(de)獲得。是(shi)在(zai)導(dao)(dao)(dao)軌(gui)(gui)和支(zhi)架(jia)之(zhi)間(jian)安(an)裝(zhuang)超尺寸的(de)(de)(de)(de)(de)(de)鋼(gang)(gang)球(qiu)(qiu)。鋼(gang)(gang)球(qiu)(qiu)直徑公差為(wei)(wei)(wei)(wei)±20微(wei)米(mi)，以0.5微(wei)米(mi)為(wei)(wei)(wei)(wei)增(zeng)量，將(jiang)鋼(gang)(gang)球(qiu)(qiu)篩選分類，分別裝(zhuang)到導(dao)(dao)(dao)軌(gui)(gui)上，預(yu)加(jia)(jia)(jia)負(fu)(fu)載的(de)(de)(de)(de)(de)(de)大小，取決于作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)在(zai)鋼(gang)(gang)球(qiu)(qiu)上的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)力(li)(li)(li)。如果(guo)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)在(zai)鋼(gang)(gang)球(qiu)(qiu)上的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)力(li)(li)(li)太大，鋼(gang)(gang)球(qiu)(qiu)經受(shou)(shou)預(yu)加(jia)(jia)(jia)負(fu)(fu)荷(he)時間(jian)過(guo)長(chang)，導(dao)(dao)(dao)致(zhi)支(zhi)架(jia)運(yun)(yun)動(dong)(dong)(dong)阻力(li)(li)(li)增(zeng)大。這里(li)就(jiu)(jiu)有一(yi)個(ge)平衡作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)問題；為(wei)(wei)(wei)(wei)了(le)提高(gao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)靈敏(min)度(du)(du)(du)，減(jian)少運(yun)(yun)動(dong)(dong)(dong)阻力(li)(li)(li)，相(xiang)應地要減(jian)少預(yu)加(jia)(jia)(jia)負(fu)(fu)荷(he)，而為(wei)(wei)(wei)(wei)了(le)提高(gao)運(yun)(yun)動(dong)(dong)(dong)精度(du)(du)(du)和精度(du)(du)(du)的(de)(de)(de)(de)(de)(de)保持性，要求(qiu)有足(zu)夠的(de)(de)(de)(de)(de)(de)預(yu)加(jia)(jia)(jia)負(fu)(fu)數(shu)，這是(shi)矛盾的(de)(de)(de)(de)(de)(de)兩(liang)方面。工(gong)作(zuo)(zuo)(zuo)時間(jian)過(guo)長(chang)，鋼(gang)(gang)球(qiu)(qiu)開始(shi)(shi)磨(mo)損(sun)，作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)在(zai)鋼(gang)(gang)球(qiu)(qiu)上的(de)(de)(de)(de)(de)(de)預(yu)加(jia)(jia)(jia)負(fu)(fu)載開始(shi)(shi)減(jian)弱，導(dao)(dao)(dao)致(zhi)機床工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件運(yun)(yun)動(dong)(dong)(dong)精度(du)(du)(du)的(de)(de)(de)(de)(de)(de)降低。如果(guo)要保持初始(shi)(shi)精度(du)(du)(du)，必須更換導(dao)(dao)(dao)軌(gui)(gui)支(zhi)架(jia)，甚至更換導(dao)(dao)(dao)軌(gui)(gui)。如果(guo)導(dao)(dao)(dao)軌(gui)(gui)系(xi)(xi)(xi)統(tong)(tong)已(yi)有預(yu)加(jia)(jia)(jia)負(fu)(fu)載作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)。系(xi)(xi)(xi)統(tong)(tong)精度(du)(du)(du)已(yi)喪失，唯一(yi)的(de)(de)(de)(de)(de)(de)方法(fa)是(shi)更換滾動(dong)(dong)(dong)元(yuan)(yuan)(yuan)(yuan)件。導(dao)(dao)(dao)軌(gui)(gui)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)設計，力(li)(li)(li)求(qiu)固(gu)定元(yuan)(yuan)(yuan)(yuan)件和移動(dong)(dong)(dong)元(yuan)(yuan)(yuan)(yuan)件之(zhi)間(jian)有最大的(de)(de)(de)(de)(de)(de)接(jie)觸面積(ji)，這不(bu)但能(neng)(neng)提高(gao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)承載能(neng)(neng)力(li)(li)(li)，而且系(xi)(xi)(xi)統(tong)(tong)能(neng)(neng)承受(shou)(shou)間(jian)歇切削或重力(li)(li)(li)切削產生(sheng)的(de)(de)(de)(de)(de)(de)沖擊力(li)(li)(li)，把(ba)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)力(li)(li)(li)廣泛擴散，擴大承受(shou)(shou)力(li)(li)(li)的(de)(de)(de)(de)(de)(de)面積(ji)。
直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)移動(dong)(dong)(dong)元(yuan)(yuan)(yuan)(yuan)件和固(gu)定元(yuan)(yuan)(yuan)(yuan)件之(zhi)間(jian)不(bu)用(yong)(yong)(yong)(yong)中間(jian)介質，而用(yong)(yong)(yong)(yong)滾動(dong)(dong)(dong)鋼(gang)(gang)球(qiu)(qiu)。因為(wei)(wei)(wei)(wei)滾動(dong)(dong)(dong)鋼(gang)(gang)球(qiu)(qiu)適應于高(gao)速運(yun)(yun)動(dong)(dong)(dong)、摩擦系(xi)(xi)(xi)數(shu)小、靈敏(min)度(du)(du)(du)高(gao)，滿(man)足(zu)運(yun)(yun)動(dong)(dong)(dong)部(bu)(bu)件的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)要求(qiu)，如機床的(de)(de)(de)(de)(de)(de)刀架(jia)，拖板(ban)等。直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)固(gu)定元(yuan)(yuan)(yuan)(yuan)件(導(dao)(dao)(dao)軌(gui)(gui))的(de)(de)(de)(de)(de)(de)基本功能(neng)(neng)如同軸承環，安(an)裝(zhuang)鋼(gang)(gang)球(qiu)(qiu)的(de)(de)(de)(de)(de)(de)支(zhi)架(jia)，形狀為(wei)(wei)(wei)(wei)“v”字形。支(zhi)架(jia)包裹著導(dao)(dao)(dao)軌(gui)(gui)的(de)(de)(de)(de)(de)(de)頂(ding)部(bu)(bu)和兩(liang)側面。為(wei)(wei)(wei)(wei)了(le)支(zhi)撐(cheng)機床的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件，一(yi)套直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)至少有四個(ge)支(zhi)架(jia)。用(yong)(yong)(yong)(yong)于支(zhi)撐(cheng)大型的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件，支(zhi)架(jia)的(de)(de)(de)(de)(de)(de)數(shu)量可以多于四個(ge)。機床的(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件移動(dong)(dong)(dong)時，鋼(gang)(gang)球(qiu)(qiu)就(jiu)(jiu)在(zai)支(zhi)架(jia)溝(gou)槽中循環流動(dong)(dong)(dong)，把(ba)支(zhi)架(jia)的(de)(de)(de)(de)(de)(de)磨(mo)損(sun)量分攤(tan)到各個(ge)鋼(gang)(gang)球(qiu)(qiu)上，從而延長(chang)直線滑(hua)(hua)動(dong)(dong)(dong)單(dan)(dan)元(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)(yong)壽命。為(wei)(wei)(wei)(wei)了(le)消除支(zhi)架(jia)與導(dao)(dao)(dao)軌(gui)(gui)之(zhi)間(jian)的(de)(de)(de)(de)(de)(de)間(jian)隙，預(yu)加(jia)(jia)(jia)負(fu)(fu)載能(neng)(neng)提高(gao)導(dao)(dao)(dao)軌(gui)(gui)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)穩定性，預(yu)加(jia)(jia)(jia)負(fu)(fu)荷(he)的(de)(de)(de)(de)(de)(de)獲得。是(shi)在(zai)導(dao)(dao)(dao)軌(gui)(gui)和支(zhi)架(jia)之(zhi)間(jian)安(an)裝(zhuang)超尺寸的(de)(de)(de)(de)(de)(de)鋼(gang)(gang)球(qiu)(qiu)。鋼(gang)(gang)球(qiu)(qiu)直徑公差為(wei)(wei)(wei)(wei)±20微(wei)米(mi)，以0.5微(wei)米(mi)為(wei)(wei)(wei)(wei)增(zeng)量，將(jiang)鋼(gang)(gang)球(qiu)(qiu)篩選分類，分別裝(zhuang)到導(dao)(dao)(dao)軌(gui)(gui)上，預(yu)加(jia)(jia)(jia)負(fu)(fu)載的(de)(de)(de)(de)(de)(de)大小，取決于作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)在(zai)鋼(gang)(gang)球(qiu)(qiu)上的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)力(li)(li)(li)。如果(guo)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)在(zai)鋼(gang)(gang)球(qiu)(qiu)上的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)力(li)(li)(li)太大，鋼(gang)(gang)球(qiu)(qiu)經受(shou)(shou)預(yu)加(jia)(jia)(jia)負(fu)(fu)荷(he)時間(jian)過(guo)長(chang)，導(dao)(dao)(dao)致(zhi)支(zhi)架(jia)運(yun)(yun)動(dong)(dong)(dong)阻力(li)(li)(li)增(zeng)大。這里(li)就(jiu)(jiu)有一(yi)個(ge)平衡作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)問題；為(wei)(wei)(wei)(wei)了(le)提高(gao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)靈敏(min)度(du)(du)(du)，減(jian)少運(yun)(yun)動(dong)(dong)(dong)阻力(li)(li)(li)，相(xiang)應地要減(jian)少預(yu)加(jia)(jia)(jia)負(fu)(fu)荷(he)，而為(wei)(wei)(wei)(wei)了(le)提高(gao)運(yun)(yun)動(dong)(dong)(dong)精度(du)(du)(du)和精度(du)(du)(du)的(de)(de)(de)(de)(de)(de)保持性，要求(qiu)有足(zu)夠的(de)(de)(de)(de)(de)(de)預(yu)加(jia)(jia)(jia)負(fu)(fu)數(shu)，這是(shi)矛盾的(de)(de)(de)(de)(de)(de)兩(liang)方面。工(gong)作(zuo)(zuo)(zuo)時間(jian)過(guo)長(chang)，鋼(gang)(gang)球(qiu)(qiu)開始(shi)(shi)磨(mo)損(sun)，作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)在(zai)鋼(gang)(gang)球(qiu)(qiu)上的(de)(de)(de)(de)(de)(de)預(yu)加(jia)(jia)(jia)負(fu)(fu)載開始(shi)(shi)減(jian)弱，導(dao)(dao)(dao)致(zhi)機床工(gong)作(zuo)(zuo)(zuo)部(bu)(bu)件運(yun)(yun)動(dong)(dong)(dong)精度(du)(du)(du)的(de)(de)(de)(de)(de)(de)降低。如果(guo)要保持初始(shi)(shi)精度(du)(du)(du)，必須更換導(dao)(dao)(dao)軌(gui)(gui)支(zhi)架(jia)，甚至更換導(dao)(dao)(dao)軌(gui)(gui)。如果(guo)導(dao)(dao)(dao)軌(gui)(gui)系(xi)(xi)(xi)統(tong)(tong)已(yi)有預(yu)加(jia)(jia)(jia)負(fu)(fu)載作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)。系(xi)(xi)(xi)統(tong)(tong)精度(du)(du)(du)已(yi)喪失，唯一(yi)的(de)(de)(de)(de)(de)(de)方法(fa)是(shi)更換滾動(dong)(dong)(dong)元(yuan)(yuan)(yuan)(yuan)件。導(dao)(dao)(dao)軌(gui)(gui)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)設計，力(li)(li)(li)求(qiu)固(gu)定元(yuan)(yuan)(yuan)(yuan)件和移動(dong)(dong)(dong)元(yuan)(yuan)(yuan)(yuan)件之(zhi)間(jian)有最大的(de)(de)(de)(de)(de)(de)接(jie)觸面積(ji)，這不(bu)但能(neng)(neng)提高(gao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)承載能(neng)(neng)力(li)(li)(li)，而且系(xi)(xi)(xi)統(tong)(tong)能(neng)(neng)承受(shou)(shou)間(jian)歇切削或重力(li)(li)(li)切削產生(sheng)的(de)(de)(de)(de)(de)(de)沖擊力(li)(li)(li)，把(ba)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)力(li)(li)(li)廣泛擴散，擴大承受(shou)(shou)力(li)(li)(li)的(de)(de)(de)(de)(de)(de)面積(ji)。
