礦山軸承對照結構簡圖認識保溝球軸承、角接觸球軸承、調心球軸承、圓柱滾子軸承、調心滾子軸承、滾針軸承和圓錐滾子軸承為向心軸承；椎力球軸承、報入圓柱滾子軸承、推力滾針軸承、報力角接觸球軸承、推力調心滾子軸承和推力圓錐滾子軸承為措力軸承。滾動軸承按外徑尺大小分為微型軸承、小型軸承、中小型軸承、中大型軸承、大型軸承和特大則軸承；

直線運動滾動軸承分為直線運功球軸承、直線運動礦山軸承、臺線運動球導軌支承、盲線運動滾子導軌支承和直線運動滾針導軌支承五類。軸承綜合分為向心關節軸承、角接觸關節軸承、推力關節軸承和桿端鈾承。除此之外，還可以按用途分為通用軸承和專用軸承。專用軸承根據應用之主機又可分為汽車軸承、鐵路軸承、機床軸承、軋機軸承、電機軸承等等。如按使用性能又可分為高速軸承、高溫軸承、耐腐蝕軸承等。

數控(kong)(kong)車床(chuang)(chuang)主要(yao)用(yong)于加(jia)(jia)工(gong)(gong)(gong)(gong)軸類、盤狀(zhuang)類等(deng)回轉(zhuan)體(ti)零件(jian)(jian)，通(tong)過執行(xing)數控(kong)(kong)程序，可以自(zi)動(dong)完成(cheng)外圓柱面、成(cheng)形表面、螺紋、端面等(deng)工(gong)(gong)(gong)(gong)序的(de)(de)(de)切削加(jia)(jia)工(gong)(gong)(gong)(gong)，并能進行(xing)車操、鉆(zhan)孔、擴孔、鉸孔等(deng)工(gong)(gong)(gong)(gong)作(zuo)。根據(ju)數控(kong)(kong)加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)(de)特點，礦山軸承最適合切削具有以下要(yao)求和(he)特點的(de)(de)(de)回轉(zhuan)體(ti)零件(jian)(jian)。數控(kong)(kong)加(jia)(jia)工(gong)(gong)(gong)(gong)以數控(kong)(kong)機(ji)床(chuang)(chuang)加(jia)(jia)工(gong)(gong)(gong)(gong)中(zhong)的(de)(de)(de)工(gong)(gong)(gong)(gong)藝問(wen)題(ti)為主要(yao)研究對象，以機(ji)械(xie)制(zhi)造(zao)中(zhong)的(de)(de)(de)工(gong)(gong)(gong)(gong)藝理(li)論為基礎，結合數控(kong)(kong)機(ji)床(chuang)(chuang)的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)特點，綜(zong)合運(yun)用(yong)多方(fang)面的(de)(de)(de)知識(shi)來解決數控(kong)(kong)加(jia)(jia)工(gong)(gong)(gong)(gong)中(zhong)的(de)(de)(de)工(gong)(gong)(gong)(gong)藝問(wen)題(ti)。工(gong)(gong)(gong)(gong)藝制(zhi)定的(de)(de)(de)合理(li)與否，對程序編制(zhi)、機(ji)床(chuang)(chuang)的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)效率、零件(jian)(jian)的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)精度都有極為重要(yao)的(de)(de)(de)影響(xiang)。

用(yong)高碳(tan)(tan)鋼(gang)鉻(ge)軸(zhou)(zhou)承(cheng)鋼(gang)制造的軸(zhou)(zhou)承(cheng)一(yi)般適用(yong)于工(gong)作(zuo)溫度(du)(du)為(wei)-40~130度(du)(du)范圍，油與(yu)脂潤(run)滑正常。可(ke)滿足一(yi)般機(ji)(ji)械的要求。高碳(tan)(tan)鉻(ge)軸(zhou)(zhou)承(cheng)鋼(gang)軸(zhou)(zhou)承(cheng)零件(jian)經高溫回(hui)過火后(hou)，其適應工(gong)作(zuo)溫度(du)(du)可(ke)高達250度(du)(du)。用(yong)滲碳(tan)(tan)軸(zhou)(zhou)承(cheng)鋼(gang)等制造的套圈(quan)和(he)滾動體，其硬(ying)度(du)(du)為(wei)：套圈(quan)和(he)滾動體為(wei)HRc60~64，一(yi)般適和(he)于工(gong)作(zuo)溫度(du)(du)為(wei)-40~140攝氏度(du)(du)范圍，油與(yu)脂潤(run)滑正常，能在較大沖擊振動條(tiao)件(jian)下(xia)使用(yong)，如機(ji)(ji)車車輛及軋(ya)鋼(gang)機(ji)(ji)用(yong)軸(zhou)(zhou)承(cheng)，礦山(shan)軸(zhou)(zhou)承(cheng)等，

但該鋼種的熱處理工藝(yi)比較(jiao)復雜。用礦山軸承(cheng)制造的套圈的滾(gun)動體，其硬度：套圈和(he)滾(gun)子為HRc60~64，鋼球(qiu)為HRc61~65，在潤滑正常(chang)的情況下(xia)，適用于工作溫度為120~250攝氏度，如航空發動機(ji)、燃氣渦輪機(ji)等主軸工作條件。

礦山軸承