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汕头液压轴承计算

来源:博高科技发布时间:2021/6/26

--- 朱礼进 <ljzhu@mail.shu.edu.cn> wrote:

> 张先生,您好!
>   
>
汕头汽轮机轴承设计项目已经开始。先请您初步计算一下轴承的静特性,看看轴承大小是否合适,工况如下:
>     转子转速为15000转/分
>     转子直径为180mm
>     转子重量700KG,每个轴承载荷350KG
>     用可倾瓦轴承,瓦块数5块,瓦张角60度
>     请计算选择瓦宽等参数。
>     请代问吴老师好并祝全家愉快!
>                           朱礼进
>                           2004年8月5日
>
>
>    


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                                   径向滑动轴承性能计算结果

                  软件: 上海大学专用JB2003软件包    软件研制单位:上海大学轴承研究室
              ----------------------------------------------------------------------------

          轴承类型: 可倾瓦轴承

          工况参数:
          转速=15000.0r/min
          载荷=   3500.0N
          润滑油: 22号透平油
          进油温度=45.0℃
          进油压力= .00MPa

          轴承几何参数:
          瓦块数=5
          瓦张角=  60.0°
          预负荷系数= .000
          支点位置角=  30.0°
          最小半径间隙(热态)= .150mm
          最小半径间隙(冷态)= .180mm
          轴承直径= 180.0mm
          轴承长度=  70.0mm
          载荷角=    .0°
          支点上安装型

          静特性:
          偏心率= .135
          偏位角=    .0°
          进油量=  272.27 l/min
          泄油量=  111.83 l/min
          圆周摩擦阻力=  937.24N
          摩擦功耗=132499.20W
          最大油膜压力=  8.625MPa      最大压力位置角= 341.1°
          最高油膜温度=   68.49℃       最高温度位置角= 210.0°
          最小油膜厚度=  54.9μm       最小膜厚位置角= 354.0°

          动特性:
          刚度,N/m
              kxx=  .3503E+09      kxy=  .0000E+00      kyx=  .0000E+00      kyy=  .5429E+09
          阻尼,N*s/m
              bxx=  .2718E+06      bxy=  .0000E+00      byx=  .0000E+00      byy=  .3318E+06     


          轴承中截面内压力、温度、膜厚沿周向的分布:

              瓦1
             角位(°)         压力(MPa)        温度(°C)        膜厚(μm)
            -------------------------------------------------------------
            .1500E+03        .0000E+00        .4500E+02        .1559E+03
            .1543E+03        .5485E+00        .4671E+02        .1521E+03
            .1586E+03        .9672E+00        .4841E+02        .1483E+03
            .1629E+03        .1281E+01        .5012E+02        .1444E+03
            .1671E+03        .1495E+01        .5183E+02        .1407E+03
            .1714E+03        .1634E+01        .5352E+02        .1369E+03
            .1757E+03        .1712E+01        .5520E+02        .1333E+03
            .1800E+03        .1737E+01        .5687E+02        .1297E+03
            .1843E+03        .1711E+01        .5854E+02        .1262E+03
            .1886E+03        .1632E+01        .6020E+02        .1229E+03
            .1929E+03        .1492E+01        .6187E+02        .1197E+03
            .1971E+03        .1280E+01        .6353E+02        .1167E+03
            .2014E+03        .9773E+00        .6519E+02        .1139E+03
            .2057E+03        .5607E+00        .6684E+02        .1113E+03
            .2100E+03        .0000E+00        .6849E+02        .1089E+03

              瓦2
             角位(°)         压力(MPa)        温度(°C)        膜厚(μm)
            -------------------------------------------------------------
            .2220E+03        .0000E+00        .4500E+02        .1631E+03
            .2263E+03        .3552E+00        .4662E+02        .1605E+03
            .2306E+03        .6163E+00        .4822E+02        .1577E+03
            .2349E+03        .8022E+00        .4977E+02        .1550E+03
            .2391E+03        .9310E+00        .5129E+02        .1521E+03
            .2434E+03        .1015E+01        .5279E+02        .1493E+03
            .2477E+03        .1063E+01        .5427E+02        .1465E+03
            .2520E+03        .1078E+01        .5574E+02        .1437E+03
            .2563E+03        .1063E+01        .5719E+02        .1410E+03
            .2606E+03        .1016E+01        .5864E+02        .1383E+03
            .2649E+03        .9316E+00        .6008E+02        .1356E+03
            .2691E+03        .8023E+00        .6151E+02        .1330E+03
            .2734E+03        .6158E+00        .6293E+02        .1306E+03
            .2777E+03        .3554E+00        .6435E+02        .1282E+03
            .2820E+03        .0000E+00        .6575E+02        .1260E+03

              瓦3
             角位(°)         压力(MPa)        温度(°C)        膜厚(μm)
            -------------------------------------------------------------
            .2940E+03        .0000E+00        .4500E+02        .2736E+03
            .2983E+03        .6986E+00        .4605E+02        .2597E+03
            .3026E+03        .1350E+01        .4710E+02        .2452E+03
            .3069E+03        .1987E+01        .4818E+02        .2302E+03
            .3111E+03        .2643E+01        .4932E+02        .2147E+03
            .3154E+03        .3348E+01        .5056E+02        .1989E+03
            .3197E+03        .4127E+01        .5192E+02        .1827E+03
            .3240E+03        .5002E+01        .5343E+02        .1664E+03
            .3283E+03        .5982E+01        .5511E+02        .1500E+03
            .3326E+03        .7047E+01        .5699E+02        .1337E+03
            .3369E+03        .8111E+01        .5903E+02        .1173E+03
            .3411E+03        .8625E+01        .6111E+02        .1012E+03
            .3454E+03        .8212E+01        .6315E+02        .8538E+02
            .3497E+03        .6097E+01        .6541E+02        .6990E+02
            .3540E+03        .0000E+00        .6832E+02        .5486E+02

              瓦4
             角位(°)         压力(MPa)        温度(°C)        膜厚(μm)
            -------------------------------------------------------------
            .6000E+01        .0000E+00        .4500E+02        .2736E+03
            .1029E+02        .6986E+00        .4605E+02        .2597E+03
            .1457E+02        .1350E+01        .4710E+02        .2452E+03
            .1886E+02        .1987E+01        .4818E+02        .2302E+03
            .2314E+02        .2643E+01        .4932E+02        .2147E+03
            .2743E+02        .3348E+01        .5056E+02        .1989E+03
            .3171E+02        .4127E+01        .5192E+02        .1827E+03
            .3600E+02        .5002E+01        .5343E+02        .1664E+03
            .4029E+02        .5982E+01        .5511E+02        .1500E+03
            .4457E+02        .7047E+01        .5699E+02        .1337E+03
            .4886E+02        .8111E+01        .5903E+02        .1173E+03
            .5314E+02        .8625E+01        .6111E+02        .1012E+03
            .5743E+02        .8212E+01        .6315E+02        .8538E+02
            .6171E+02        .6097E+01        .6541E+02        .6990E+02
            .6600E+02        .0000E+00        .6832E+02        .5486E+02

              瓦5
             角位(°)         压力(MPa)        温度(°C)        膜厚(μm)
            -------------------------------------------------------------
            .7800E+02        .0000E+00        .4500E+02        .1631E+03
            .8229E+02        .3552E+00        .4662E+02        .1605E+03
            .8657E+02        .6163E+00        .4822E+02        .1577E+03
            .9086E+02        .8022E+00        .4977E+02        .1550E+03
            .9514E+02        .9310E+00        .5129E+02        .1521E+03
            .9943E+02        .1015E+01        .5279E+02        .1493E+03
            .1037E+03        .1063E+01        .5427E+02        .1465E+03
            .1080E+03        .1078E+01        .5574E+02        .1437E+03
            .1123E+03        .1063E+01        .5719E+02        .1410E+03
            .1166E+03        .1016E+01        .5864E+02        .1383E+03
            .1209E+03        .9316E+00        .6008E+02        .1356E+03
            .1251E+03        .8023E+00        .6151E+02        .1330E+03
            .1294E+03        .6158E+00        .6293E+02        .1306E+03
            .1337E+03        .3554E+00        .6435E+02        .1282E+03
            .1380E+03        .0000E+00        .6575E+02        .1260E+03


 

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