EATON-威格士齒輪泵專業(yè)維修手冊下載
威格士VICKERS齒輪泵運行維護(hù)1、起動：
（1）啟動前檢查全部管路法蘭，接頭的密封性。
（2）盤動聯(lián)軸器，無摩擦及碰撞聲音。
（3）啟動應(yīng)向泵內(nèi)注入輸送液體。
（4）啟動前應(yīng)全開吸入和排出管路中的閥門，嚴(yán)禁閉閥啟動。
（5）驗證電機轉(zhuǎn)動方向后，啟動電機。
2、停車：
（1）關(guān)閉電動機。
（2）關(guān)閉泵的進(jìn)、出口閥門。
威格士PEP－II泵的齒輪與軸共為一體，采用通體淬硬工藝，可獲得更長的工作壽命。“D”型軸承結(jié)合了強制潤滑機理，使聚合物經(jīng)軸承表面，并返回到泵的進(jìn)口側(cè)，以確保旋轉(zhuǎn)軸的有效潤滑。這一特性減少了聚合物滯留并降解的可能性。精密加工的泵體可使“D”型軸承與齒輪軸配合，確保齒輪軸不偏心，以防齒輪磨損。Parkool密封結(jié)構(gòu)與聚四氟唇型密封共同構(gòu)成水冷密封。這種密封實際上并不接觸軸的表面，它的密封原理是將聚合物冷卻到半熔融狀態(tài)而形成自密封。也可以采用Rheoseal密封，它在軸封內(nèi)表上加工有反向螺旋槽，可使聚合物被反壓回到進(jìn)口。為便于安裝，制造商設(shè)計了一個環(huán)形螺栓安裝面，以使與其它設(shè)備的法蘭安裝相配合，這使得筒形法蘭的制造更容易。
威格士PEP－II齒輪泵帶有與泵的規(guī)格相匹配的加熱元件，可供用戶選配，這可保證快速加溫和熱量控制。與泵體內(nèi)加熱方式不同，這些元件的損壞只限于一個板子上，與整個泵無關(guān)。
威格士齒輪泵由一個獨立的電機驅(qū)動，可有效地阻斷上游的壓力脈動及流量波動。在齒輪泵出口處的壓力脈動可以控制在1%以內(nèi)。在擠出生產(chǎn)線上采用一臺齒輪泵，可以提高流量輸出速度，減少物料在擠出機內(nèi)的剪切及駐留時間，降低擠塑溫度及壓力脈動以提高生產(chǎn)率及產(chǎn)品質(zhì)量
威格士新型號： 威格士 老型號：
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