SNH940R46U12.1W2螺杆泵注意事项

SNH940R46U12.1W2螺杆泵注意事项

螺杆泵使用注意事项
下面介绍其它油泵不具备,而螺杆泵所独有的特性。
(1)GD,(惯性力矩)小 ,螺杆泵的惯性力矩GDZ非常小。这是由于主动螺杆及从动螺杆的外径较小,对泵不必特别考虑动平衡问题。但是,由于电动机和联结器的GD“值为泵的数倍以上,因而在选定和加工泵时需充分注意这个问题。
(2)变频器驱动 螺杆泵为定容积型泵,所以近来多用变频器控制泵流量。特别是工艺流程中,采用了Pl及PID控制方式,这样可获得准确的流量.
在用变频器的场合,用于液压没备的螺杆泵所存在的问题是:泵在低速运转时噪声大。这是因为变频器产生的输入电流波形像商用电源那样不平滑,所以电动机转速发生变化,致使泵的排出压力脉功增大。
(3)汽蚀 泵的吸入压力降低会产生汽蚀,引起噪声和振动增大.这时不仅是排出端,吸入端的压力脉动波形也会大乱,排量随之减小。如果是液压用油.泵的吸入压力可达0.05MPa,所以吸入管路很容易渗入空气。因此在安装管路和过滤器时应特别注意密封问题。
人们一般不太了解螺杆泵,但实际上它的用途很广。今后液压设备还要向高压化发展,可能使用的液体种类也会增多,我们期待着螺杆泵的用途进一步扩大。

SNH940R46U12.1W2螺杆泵注意事项

SNH940R46U12.1W2螺杆泵注意事项

SNH940R46U12.1W2螺杆泵注意事项

SNH940R36U8W2SNH940R42U8W2SNH940R46U8W2SNH940R50U8W2SNH940R54U8W2SNF940R36U8W2SNF940R42U8W2SNF940R46U8W2SNF940R50U8W2SNF940R54U8W2SNS940R36U8W2SNS940R42U8W2SNS940R46U8W2SNS940R50U8W2SNS940R54U8W2SNH940R36U8W3SNH940R42U8W3SNH940R46U8W3SNH940R50U8W3SNH940R54U8W3SNF940R36U8W3SNF940R42U8W3SNF940R46U8W3SNF940R50U8W3SNF940R54U8W3SNS940R36U8W3SNS940R42U8W3SNS940R46U8W3SNS940R50U8W3SNS940R54U8W3SNH940R36U8W21SNH940R42U8W21SNH940R46U8W21SNH940R50U8W21SNH940R54U8W21SNF940R36U8W21SNF940R42U8W21SNF940R46U8W21SNF940R50U8W21SNF940R54U8W21SNS940R36U8W21SNS940R42U8W21SNS940R46U8W21SNS940R50U8W21SNS940R54U8W21SNH940R36U8W23SNH940R42U8W23SNH940R46U8W23SNH940R50U8W23SNH940R54U8W23SNF940R36U8W23SNF940R42U8W23SNF940R46U8W23SNF940R50U8W23SNF940R54U8W23SNS940R36U8W23SNS940R42U8W23SNS940R46U8W23SNS940R50U8W23SNS940R54U8W23SNH940R36U12.1W2SNH940R42U12.1W2SNH940R46U12.1W2SNH940R50U12.1W2SNH940R54U12.1W2SNF940R36U12.1W2SNF940R42U12.1W2SNF940R46U12.1W2SNF940R50U12.1W2SNF940R54U12.1W2SNS940R36U12.1W2SNS940R42U12.1W2SNS940R46U12.1W2SNS940R50U12.1W2SNS940R54U12.1W2SNH940R36U12.1W3SNH940R42U12.1W3SNH940R46U12.1W3SNH940R50U12.1W3SNH940R54U12.1W3SNF940R36U12.1W3SNF940R42U12.1W3SNF940R46U12.1W3SNF940R50U12.1W3SNF940R54U12.1W3SNS940R36U12.1W3SNS940R42U12.1W3SNS940R46U12.1W3SNS940R50U12.1W3SNS940R54U12.1W3SNH940R36U12.1W21SNH940R42U12.1W21SNH940R46U12.1W21SNH940R50U12.1W21SNH940R54U12.1W21SNF940R36U12.1W21SNF940R42U12.1W21SNF940R46U12.1W21SNF940R50U12.1W21SNF940R54U12.1W21SNS940R36U12.1W21SNS940R42U12.1W21SNS940R46U12.1W21SNS940R50U12.1W21SNS940R54U12.1W21SNH940R36U12.1W23SNH940R42U12.1W23SNH940R46U12.1W23SNH940R50U12.1W23SNH940R54U12.1W23SNF940R36U12.1W23SNF940R42U12.1W23SNF940R46U12.1W23SNF940R50U12.1W23SNF940R54U12.1W23SNS940R36U12.1W23SNS940R42U12.1W23SNS940R46U12.1W23SNS940R50U12.1W23SNS940R54U12.1W23SNH940R36E6.7W2SNH940R42E6.7W2SNH940R46E6.7W2SNH940R50E6.7W2SNH940R54E6.7W2SNF940R36E6.7W2SNF940R42E6.7W2SNF940R46E6.7W2SNF940R50E6.7W2SNF940R54E6.7W2SNS940R36E6.7W2SNS940R42E6.7W2SNS940R46E6.7W2SNS940R50E6.7W2SNS940R54E6.7W2SNH940R36E6.7W3SNH940R42E6.7W3SNH940R46E6.7W3SNH940R50E6.7W3SNH940R54E6.7W3SNF940R36E6.7W3SNF940R42E6.7W3SNF940R46E6.7W3SNF940R50E6.7W3SNF940R54E6.7W3SNS940R36E6.7W3SNS940R42E6.7W3SNS940R46E6.7W3SNS940R50E6.7W3SNS940R54E6.7W3SNH940R36E6.7W21SNH940R42E6.7W21SNH940R46E6.7W21SNH940R50E6.7W21SNH940R54E6.7W21SNF940R36E6.7W21SNF940R42E6.7W21SNF940R46E6.7W21SNF940R50E6.7W21SNF940R54E6.7W21SNS940R36E6.7W21SNS940R42E6.7W21SNS940R46E6.7W21SNS940R50E6.7W21SNS940R54E6.7W21SNH940R36E6.7W23SNH940R42E6.7W23SNH940R46E6.7W23SNH940R50E6.7W23SNH940R54E6.7W23SNF940R36E6.7W23SNF940R42E6.7W23SNF940R46E6.7W23SNF940R50E6.7W23SNF940R54E6.7W23SNS940R36E6.7W23SNS940R42E6.7W23SNS940R46E6.7W23SNS940R50E6.7W23SNS940R54E6.7W23TRSNH940-40TRSNH940-42TRSNH940-46TRSNH940-50TRSNH940-54TRSNF940-40TRSNF940-42TRSNF940-46TRSNF940-50TRSNF940-54TRSNS940-40TRSNS940-42TRSNS940-46TRSNS940-50TRSNS940-54TRSND940-40TRSND940-42TRSND940-46TRSND940-50TRSND940-54TRSNK940-40TRSNK940-42TRSNK940-46TRSNK940-50TRSNK940-54HTSNH940-40HTSNH940-42HTSNH940-46HTSNH940-50HTSNH940-54HTSNF940-40HTSNF940-42HTSNF940-46HTSNF940-50HTSNF940-54HTSNS940-40HTSNS940-42HTSNS940-46HTSNS940-50HTSNS940-54HTSND940-40HTSND940-42HTSND940-46HTSND940-50HTSND940-54HTSNK940-40HTSNK940-42HTSNK940-46HTSNK940-50HTSNK940-54HSNH940-40ZHSNH940-42ZHSNH940-46ZHSNH940-50ZHSNH940-54ZHSNF940-40ZHSNF940-42ZHSNF940-46ZHSNF940-50ZHSNF940-54ZHSNS940-40ZHSNS940-42ZHSNS940-46ZHSNS940-50ZHSNS940-54ZHSNH940-40NZHSNH940-42NZHSNH940-46NZHSNH940-50NZHSNH940-54NZHSNF940-40NZHSNF940-42NZHSNF940-46NZHSNF940-50NZHSNF940-54NZHSNS940-40NZHSNS940-42NZHSNS940-46NZHSNS940-50NZHSNS940-54NZHSNH940-40W1ZHSNH940-42W1ZHSNH940-46W1ZHSNH940-50W1ZHSNH940-54W1ZHSNF940-40W1ZHSNF940-42W1ZHSNF940-46W1ZHSNF940-50W1ZHSNF940-54W1ZHSNS940-40W1ZHSNS940-42W1ZHSNS940-46W1ZHSNS940-50W1ZHSNS940-54W1ZHSNH940-40W1HSNH940-42W1HSNH940-46W1HSNH940-50W1HSNH940-54W1HSNF940-40W1HSNF940-42W1HSNF940-46W1HSNF940-50W1HSNF940-54W1HSNS940-40W1HSNS940-42W1HSNS940-46W1HSNS940-50W1HSNS940-54W1HSNH940-40NHSNH940-42NHSNH940-46NHSNH940-50NHSNH940-54NHSNF940-40NHSNF940-42NHSNF940-46NHSNF940-50NHSNF940-54NHSNS940-40NHSNS940-42NHSNS940-46NHSNS940-50NHSNS940-54NHSNH940-40HSNH940-42HSNH940-46HSNH940-50HSNH940-54HSNF940-40HSNF940-42HSNF940-46HSNF940-50HSNF940-54HSNS940-40HSNS940-42HSNS940-46HSNS940-50HSNS940-54HSND940-40W1HSND940-42W1HSND940-46W1HSND940-50W1HSND940-54W1HSND940-40NHSND940-42NHSND940-46NHSND940-50NHSND940-54NHSND940-40HSND940-42HSND940-46HSND940-50HSND940-54HSNK940-40W1HSNK940-42W1HSNK940-46W1HSNK940-50W1HSNK940-54W1HSNK940-40NHSNK940-42NHSNK940-46NHSNK940-50NHSNK940-54NHSNK940-40HSNK940-42HSNK940-46HSNK940-50HSNK940-54
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