REXROTH葉片泵安裝不當(dāng)。兩帶輪中心距太小或兩軸不太平行,傳動(dòng)帶緊邊安裝到上面,致使包角太小,兩帶輪直徑計(jì)算差錯(cuò)以及聯(lián)軸傳動(dòng)水泵兩軸偏心距較大等,均會(huì)造成水泵轉(zhuǎn)速變化。 REXROTH葉片泵本身機(jī)械故障。葉輪與泵軸緊固螺母松脫或泵軸變形彎曲,造成葉輪多移,直接與泵體摩擦,或軸承損壞,都有可能降低水泵轉(zhuǎn)速。 動(dòng)力機(jī)維修不錄。電動(dòng)機(jī)因繞組燒毀,而失磁,維修中繞組匝數(shù)、線徑、接線方法改變,或維修中故障未*排除因素也會(huì)使水泵轉(zhuǎn)速改變。 REXROTH葉片泵工作前,先將泵內(nèi)充滿液體,然后啟動(dòng)離心泵,葉輪快速轉(zhuǎn)動(dòng),葉輪的葉片驅(qū)使液體轉(zhuǎn)動(dòng),液體轉(zhuǎn)動(dòng)時(shí)依靠慣性向葉輪外緣流去,同時(shí)葉輪從吸入室吸進(jìn)液體, REXROTH力士樂葉片泵在繞流運(yùn)動(dòng)中液體作用一升力于葉片,反過來葉片以一個(gè)與此升力大小相等、方向相反的力作用于液體,這個(gè)力對(duì)液體做功,使液體得到能量而流出葉輪,這時(shí)液體 的動(dòng)能與壓能均增大。 上海維特銳在德國(guó)與REXROTH合作,可長(zhǎng)期穩(wěn)定供應(yīng)力士樂葉片泵,力士樂電磁閥,REXROTH導(dǎo)軌,力士樂柱塞泵等產(chǎn)品 R900618143 PV7-2X/20-20RA01MA0-10-A416 R900598753 PV7-1X/10-14RE01MC3-16 R900593330 PV7-1X/40-45RE37MD0-16 R900592237 PV7-1X/16-20RE01MC3-16 R900590087 PV7-1X/40-45RE37MC3-16 R900586235 PV7-1X/25-30RE01MC3-16 R900580384 PV7-1X/40-45RE37MC0-16 R900580383 PV7-1X/25-30RE01MC0-16 R900580382 PV7-1X/16-20RE01MC0-16 R900580381 PV7-1X/10-14RE01MC0-16 R900576487 PV7-1X/25-45RE01MC5-08WH R900574560 PV7-1X/63-94RE07MD0-08 R900573212 PV7-1X/16-20RE01MD0-16-A234 R900571305 PV7-1X/63-71RE07KC0-16 R900568873 PV7-1X/100-150RE07KC0-08 R900568833 PV7-1X/25-45RE01MD0-08 R900564746 PV7-1X/06-10RA01MA3-10 R900563233 PV7-1X/06-10RA01MA0-10 R900562475 PV7-1X/25-30RE01KC0-16 R900561857 PV7-1X/06-10RA01MA0-05 R900561846 PV7-1X/100-150RE07MC0-08 R900561581 PV7-1X/40-71RE37MC3-08 R900560916 PV7-1X/10-14RE01KC0-16 R900560659 PV7-1X/63-94RE07MC0-08 R900560658 PV7-1X/16-30RE01MD0-08 R900560629 PV7-1X/100-150RE07MC5-08 R900556803 PV7-1X/100-118RE07MC5-16WH R900553692 PV7-1X/63-71RE07MC5-16WG R900553588 PV7-1X/40-45RE37MC5-16WH R900551273 PV7-1X/25-45RE01MC7-08 |