隨著工(gong)廠自動(dong)(dong)(dong)化的(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu)越來(lai)越高(gao),電(dian)(dian)(dian)動(dong)(dong)(dong)缸應運而生(sheng)。所謂電(dian)(dian)(dian)動(dong)(dong)(dong)缸(也(ye)稱為電(dian)(dian)(dian)動(dong)(dong)(dong)執行(xing)(xing)(xing)(xing)器)就是(shi)用各(ge)種電(dian)(dian)(dian)動(dong)(dong)(dong)機(如伺服電(dian)(dian)(dian)動(dong)(dong)(dong)機、步進電(dian)(dian)(dian)動(dong)(dong)(dong)機、電(dian)(dian)(dian)動(dong)(dong)(dong)機)帶動(dong)(dong)(dong)各(ge)種螺(luo)桿(gan)(如滑(hua)(hua)動(dong)(dong)(dong)螺(luo)桿(gan)、滾珠(zhu)螺(luo)桿(gan))旋(xuan)轉,通(tong)過螺(luo)母轉化為直(zhi)(zhi)線運動(dong)(dong)(dong),并推動(dong)(dong)(dong)滑(hua)(hua)臺沿各(ge)種導(dao)軌(gui)(如滑(hua)(hua)動(dong)(dong)(dong)導(dao)軌(gui)、滾珠(zhu)導(dao)軌(gui)、高(gao)剛(gang)性直(zhi)(zhi)線導(dao)軌(gui))像氣缸那樣(yang)作(zuo)往復直(zhi)(zhi)線運動(dong)(dong)(dong)。通(tong)常(chang)要(yao)(yao)(yao)(yao)求(qiu)(qiu)電(dian)(dian)(dian)動(dong)(dong)(dong)執行(xing)(xing)(xing)(xing)器的(de)(de)各(ge)種參(can)數(shu)達(da)(da)到(dao)比較高(gao)的(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu),速(su)度要(yao)(yao)(yao)(yao)求(qiu)(qiu),大(da)部分的(de)(de)電(dian)(dian)(dian)動(dong)(dong)(dong)執行(xing)(xing)(xing)(xing)器按(an)不(bu)同規格大(da)有不(bu)同,電(dian)(dian)(dian)動(dong)(dong)(dong)執行(xing)(xing)(xing)(xing)器速(su)度達(da)(da)到(dao)1000 mm/s;負載(zai)要(yao)(yao)(yao)(yao)求(qiu)(qiu),不(bu)同的(de)(de)生(sheng)產(chan)過程要(yao)(yao)(yao)(yao)求(qiu)(qiu)不(bu)一樣(yang)的(de)(de)負載(zai);精度要(yao)(yao)(yao)(yao)求(qiu)(qiu);標(biao)準電(dian)(dian)(dian)動(dong)(dong)(dong)缸重復定位(wei)精度達(da)(da)到(dao)±0.02mm。電(dian)(dian)(dian)動(dong)(dong)(dong)執行(xing)(xing)(xing)(xing)器梯形(xing)螺(luo)紋,閥桿(gan)螺(luo)母與支架滑(hua)(hua)動(dong)(dong)(dong)部位(wei),軸(zhou)承部位(wei)、齒輪和蝸(gua)輪、蝸(gua)桿(gan)的(de)(de)嚙合部位(wei)以及其他配(pei)合活動(dong)(dong)(dong)部位(wei),都需要(yao)(yao)(yao)(yao)良好的(de)(de)潤滑(hua)(hua)條件,減少相互(hu)間的(de)(de)摩擦,避免相互(hu)磨損。
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