SKF軸承計(jì)算方法

1、SKF General Catalogue 5000Nov 12, 20031SKF綜合型錄綜合型錄5000版版SKF General Catalogue 5000軸承尺寸的選擇和軸承的壽命軸承尺寸的選擇和軸承的壽命Selection of bearing size and bearing lifenmSKF General Catalogue 5000Nov 12, 20032 SKF 與與ISO標(biāo)準(zhǔn)標(biāo)準(zhǔn)SKF and ISO standards執(zhí)行執(zhí)行ISO_281:1990/修訂版修訂版2:2000（以及新的（以及新的DIN ISO281修訂本修訂本1和和4- 2003）Implemen

2、tation of: ISO_281:1990/Amd.2:2000 (and new DIN ISO 281 Addendum 1 and 4- 2003)SKF General Catalogue 5000Nov 12, 20033潤(rùn)滑劑對(duì)壽命的影響潤(rùn)滑劑對(duì)壽命的影響Lubrication effects on life完全潤(rùn)滑完全潤(rùn)滑F(xiàn)ull film混合潤(rùn)滑混合潤(rùn)滑Mixed lubrication邊界潤(rùn)滑邊界潤(rùn)滑Boundary lubricationEP添加劑添加劑EP additives !k k 4k k 4k k 1SKF General Catalogue 5000Nov

3、12, 20034全新全新DIN ISO標(biāo)準(zhǔn)：標(biāo)準(zhǔn)：ISO_281:1990/修訂修訂2:2000New DIN ISO standards: ISO_281:1990/Amd.2:2000pSKF110SKF1nmPCaaLaaL SKF General Catalogue 5000Nov 12, 200354. 計(jì)算流程計(jì)算流程 Calculation flow壽命壽命Life !SKF General Catalogue 5000Nov 12, 20036新的技術(shù)特性圖表新的技術(shù)特性圖表 T07：潤(rùn)滑油：潤(rùn)滑油New - Technical - T07 : LubricationISO

4、VG -VI=95運(yùn)行粘度運(yùn)行粘度運(yùn)行溫度運(yùn)行溫度平均直徑平均直徑最最 低低 粘粘 度度 值值SKF General Catalogue 5000Nov 12, 20037擴(kuò)展后的潔凈度系數(shù)選用表（擴(kuò)展后的潔凈度系數(shù)選用表（ISO DIN 281:2002）Extended table for selection of h hc（ISO DIN 281:2002)污染程度極高清潔度雜質(zhì)尺寸在油膜厚度之內(nèi)，實(shí)驗(yàn)室狀態(tài)。高清潔度潤(rùn)滑油經(jīng)過(guò)極精細(xì)過(guò)濾，密封油脂潤(rùn)滑軸承。一般清潔度潤(rùn)滑油經(jīng)過(guò)精細(xì)過(guò)濾，具有非接觸密封的脂潤(rùn)滑軸承輕度污染在潤(rùn)滑劑中有輕度的污染物典型污染 軸承受到其他零件磨損微粒的污染 嚴(yán)

5、重污染軸承工作環(huán)境污染嚴(yán)重，并且軸承密封不充分。非常嚴(yán)重的污染系數(shù)h hch hcSKF General Catalogue 5000Nov 12, 20038改進(jìn)后的徑向球軸承改進(jìn)后的徑向球軸承aSKF 系數(shù)系數(shù)Improved aSKF for: radial ball bearingsFactor aSKF for radial ball bearingsh hc Pu/P0.0050.020.050.20.5250.010.11aSKF0.050.20.52520500.1110k k 4210.80.60.50.40.30.20.150.10.0050.020.050.20.520.

6、010.11Explorerc用于徑向球軸承的系數(shù) askfSKF General Catalogue 5000Nov 12, 20039改進(jìn)后的徑向滾子軸改進(jìn)后的徑向滾子軸承承aSKF系數(shù)系數(shù)Improved aSKF for: radial roller bearingsFactor aSKF for radial roller bearingsh hc Pu/P0.0050.020.050.20.5250.010.11aSKF0.050.20.52520500.1110k k 4210.80.60.50.40.30.20.150.10.0050.020.050.20.520.010.11

7、cExplorer用于徑向滾子軸承的系數(shù) askfSKF General Catalogue 5000Nov 12, 200310改進(jìn)后的推力球軸承改進(jìn)后的推力球軸承aSKF系數(shù)系數(shù)Improved aSKF for: thrust ball bearingsFactor aSKF for thrust ball bearingsh hc Pu/P0.0050.020.050.20.5250.010.11aSKF0.050.20.52520500.1110k k 4210.80.60.50.40.30.20.150.1c用于推力球軸承的系數(shù) askfSKF General Catalogue

8、5000Nov 12, 200311改進(jìn)后的推力滾子軸改進(jìn)后的推力滾子軸承承aSKF系數(shù)系數(shù)Improved aSKF for: thrust roller bearingsFactor aSKF for thrust roller bearingsh hc Pu/P0.0050.020.050.20.5250.010.11aSKF0.050.20.52520500.1110k k 4210.80.60.50.40.30.20.150.10.0050.020.050.20.520.010.11CExplorer用于推力滾子軸承的系數(shù) askfSKF General Catalogue 5000

9、Nov 12, 2003125. 最終對(duì)最終對(duì)kappa值和壽命的影響值和壽命的影響Resulting effect on kappa and life程度不同，取決于軸承的類(lèi)型，規(guī)格和運(yùn)行參數(shù)程度不同，取決于軸承的類(lèi)型，規(guī)格和運(yùn)行參數(shù)Vary, depending on bearing type, size and operational parameters最具意義的是低最具意義的是低kappa值的運(yùn)行條件值的運(yùn)行條件most significant increase is for the low kappa conditions kappa 值的效應(yīng)增加：值的效應(yīng)增加：1020% Typ

10、ical increase in kappa:1025 % 明顯延長(zhǎng)壽命：明顯延長(zhǎng)壽命：30150% Typical increase in life:30-150 %SKF General Catalogue 5000Nov 12, 200313全新全新aSKF曲線(xiàn)圖曲線(xiàn)圖New aSKF diagramsh hc Pu/P 0.0050.010.020.050.10.20.51250.050.10.20.5125102050k = 410.60.450.300.150.1壽命延長(zhǎng)！壽命延長(zhǎng)！Life will go up !aSKFSKF General Catalogue 5000Nov

11、 12, 200314表表6: 污染負(fù)荷比污染負(fù)荷比 h hc(Pu/P) 23 Table 6: Contamination-load rate h hc(Pu/P) 23軸承類(lèi)型軸承類(lèi)型 Bearing type比值比值 Rate h hc(Pu/P) 23 對(duì)對(duì)SKF標(biāo)準(zhǔn)軸承級(jí)標(biāo)準(zhǔn)軸承級(jí) For SKF standard class SKF探索者級(jí)探索者級(jí) SKF Explorer class 徑向軸承徑向軸承 Radial bearings球軸承 Ball bearings 滾子軸承 Roller bearings 推力軸承推力軸承 Thrust bearings球軸承 Ball be

12、arings 滾子軸承 Roller bearings0,050,320,160,790,040,23-0,56對(duì)一個(gè)具有良好表現(xiàn)的應(yīng)用，可以使用固有的方法確定對(duì)一個(gè)具有良好表現(xiàn)的應(yīng)用，可以使用固有的方法確定 h hc For existing good performing applications one can use :Implicit method for the selection of h hc aSKF a23 h hc = h hc(Pu/P) 23 / (Pu/P)h hc = h hc(Pu/P) 23 / (Pu/P)( () )P/P05, 0uc h hFactor

13、 aSKF for radial ball bearingsh hc Pu/P0.0050.020.050.20.5250.010.11aSKF0.050.20.52520500.1110k k 4210.80.60.50.40.30.20.150.10.0050.020.050.20.520.010.11ExplorercSKF General Catalogue 5000Nov 12, 200315對(duì)用戶(hù)的價(jià)值對(duì)用戶(hù)的價(jià)值Value for customers修正的修正的SKF額定壽命，改善了軸承壽命預(yù)測(cè)的精確性額定壽命，改善了軸承壽命預(yù)測(cè)的精確性The SKF rating life is revised to improve accuracy in predictions of bearing life改善后的精確結(jié)果在用戶(hù)的運(yùn)行中提高了可靠性改善后的精確結(jié)果在用戶(hù)的運(yùn)行中提高了可靠性Improved accuracy results in improved reliability in customer operations提高的可靠性對(duì)用戶(hù)而言是更低的成本和更好的效益提高的可靠性對(duì)用戶(hù)而言是更低的成本和更好的效益Improved reliability for the custome