SF-1T齒輪泵專用軸承
SF-1T 齒輪泵專用軸承材料組織 MATERIAL STRUCTURE1. 改性聚四氟乙 烯(PTFE)鉛(Pb )及其它填充混合物 0.01~0.03 mm,一種耐磨材料,運作過程中可形成轉(zhuǎn)移膜以保護對磨軸。2. 銅粉層0.2~0.3 mm提高PTFE/Pb 與鋼板的結(jié)合強度,具有很好的承載能力和耐磨性。同時銅又是一種很好的導(dǎo)熱材料,可快速轉(zhuǎn)移軸承運作過程中產(chǎn)生的熱量。3. 低碳鋼0.7-2.3 mm,提高軸承的承載能力和熱轉(zhuǎn)移作用。4. 銅/錫電鍍層,銅鍍層0.008mm,錫鍍層0.005mm,使軸承有很好的耐腐蝕功能。 主要參數(shù) TECHNICAL DATE 靜承載250N/mm2 摩擦系數(shù)0.01~0.05最大承載低速運轉(zhuǎn)140N/mm2 最大線速度干摩擦2m/s 旋轉(zhuǎn)、搖擺運動60N/mm2 流體潤滑>10m/s最大PV值(干摩擦)間斷性運作3.6N/mm2.m/s 導(dǎo)熱系數(shù)40W(m.K)-1 長期運作1.8N/mm2.m/s 線膨脹系數(shù)12x10-6K使用溫度-195℃~+280℃ 應(yīng)用特點 APPLICATION CHARACTER1.在有油潤滑條件下摩擦系數(shù)小而穩(wěn)定。2.耐磨性能好、抗沖擊性能好。3.在流體潤滑條件下PV值可達120N/mm2·m/s4.該產(chǎn)品目前已廣泛運用于各種齒輪油泵、柱塞泵、葉片泵等場合,對流體潤滑或境界潤滑條件下的中高壓齒輪泵尤其適用。 |
SF-1T標準公差尺寸表
相配軸徑公差相配座孔公差(H7 )軸承外徑公差壓入座孔后軸承內(nèi)徑公差壁厚 f1f2L0-0.40202530405060708010011545-0.025 -0.05050+0.02550+0.085 +0.04544.99045.1052.4602.5051.80.64520452545304540455050-0.025 -0.05055+0.03055+0.100 +0.05549.99050.1105020503050405050506055-0.030 -0.06060+0.03060+0.100 +0.05554.99055.110553055405550556060-0.030 -0.06065+0.03065+0.100 +0.05559.99060.1106030604060506060607065-0.030 -0.06070+0.03070+0.100 +0.05564.99065.1106530654065506560657070-0.030 -0.06075+0.03075+0.100 +0.05569.99070.1107040705070607070708075-0.030 -0.06080+0.03080+0.100 +0.05574.99075.11075307540755075607570758080-0.03085+0.03585+0.120 +0.07080.02080.1552.4402.4901.80.6804080508060807080808010085-0.03590+0.03590+0.120 +0.07085.02085.1558540856085808510090-0.03595+0.03595+0.120 +0.07090.02090.15590409050906090809010095-0.035100+0.035100+0.120 +0.07095.02095.15595509560958095100100-0.035105+0.035105+0.120 +0.070100.020100.155100501006010080100115105-0.035110+0.035110+0.120 +0.070105.020105.1551056010580105115110-0.035115+0.035115+0.120 +0.070110.020110.1551106011080110115120-0.035125+0.040125+0.170 +0.100120.070120.2102.4152.4651.80.61206012080112100125-0.040130+0.040130+0.170 +0.100125.070125.21012560125100125115130-0.040135+0.040135+0.170 +0.100130.070130.2101306013080130100140-0.040145+0.040145+0.170 +0.100140.070140.2101406014080140100150-0.040155+0.040155+0.170 +0.100150.070150.2101506015080150100160-0.040165+0.040165+0.170 +0.100160.070160.2101606016080160100160115180-0.040185+0.046185+0.210 +0.130180.070180.2162.4152.4652.4152.4651.81.80.60.618080180100190-0.046195+0.046195+0.210 +0.130190.070190.21619080190100200-0.046205+0.046205+0.210 +0.130200.070200.2162006020080200100220-0.046225+0.046225+0.210 +0.130220.070220.21622080220100250-0.046255+0.052255+0.260 +0.170250.070250.22225080250100260-0.052265+0.052265+0.260 +0.170260.070260.22226080260100280-0.052285+0.052285+0.260 +0.170280.070280.22228080280100300-0.052305+0.052305+0.260 +0.170300.070300.22230080300100 |