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南京澤登機電專業銷售原裝德國力士樂齒輪泵
聯系人:張  慧
聯系電話15312023041 025-52213376 傳真:025-82230972
郵箱:381045766@qq.com  公司網址:http://www.njzdjd.com
REXROTH內嚙合齒輪泵的工作原理
在內嚙合齒輪泵中，內轉子為主動輪，外轉子為從動論，內外轉子的速比i=Z1/Z2。內外齒輪節圓緊靠一邊，另一邊被泵蓋上“月牙板”隔開。由于內外轉子齒數有一齒差，在嚙合過程中有二次嚙合存在,因此能形成幾個獨立的封閉包液腔。隨著內外轉子的嚙合旋轉，各包液腔的容積發生不同的變化，當包液腔容積由小變大時，包液腔內產生局部真空，在大氣壓力作用下，液體通過進口管道和泵蓋上的環形槽，進入泵腔開始吸液。當包液腔容積達到最大時，吸液過程結束。當包液腔內的容積由大變小時，包液腔內的液體就從另一個環形槽壓出，此為泵的排出過程。

內嚙合齒輪泵在工作過程中，內轉子的一個齒轉過一周，出現一個工作循環，即完成泵吸液至排液過程。一個轉子泵的內轉子有個齒，它每旋轉一周，必須出現個與上述腔相同的工作循環，內嚙合齒輪泵便通過個工作循環連續不斷地向外輸液，故內外轉子繞互相平行的兩軸線做不同速度的同向運轉時，必發生相對運動，此運動使內外轉子間產生不斷變化的空間，并與吸液排液道接通，以達到吸排液的目的。

特點：內嚙合齒輪泵可反向輸送，只要更換電機轉向即可；內嚙合齒輪泵泵體可轉向，進出口位置成直角，便于選配進出口位置；內嚙合齒輪泵在泵體、端蓋、軸承座間都有連接方便的保溫或冷卻介質的進出接口。

嚙合齒輪泵有許多優點，如結構緊湊，體積小，零件少，轉速可高達10000r/mim，運動平穩，噪聲低，容積效率較高等。缺點是流量脈動大，轉子的制造工藝復雜等。

內嚙合齒輪泵可正、反轉，可作液壓馬達用。

原裝德國力士樂齒輪泵，PGM序列最大壓力210Kg，最高轉速3000轉，性能卓越，專業應用于注塑機伺服系統。
PGM4-3X/025RA11VU2 REXROTH  R901283398
PGM4-3X/032RA11VU2 REXROTH  R901283399
PGM4-3X/040RA11VU2 REXROTH  R901283400
PGM4-3X/050RA11VU2 REXROTH  R901283401
PGM4-3X/063RA11VU2 REXROTH  R901283402
PGM4-3X/080RA11VU2 REXROTH  R901283403
PGM4-3X/100RA11VU2 REXROTH  R901283404
PGM4-3X/125RA11VU2 REXROTH  R901283405
PGM4-3X/160RA11VU2 REXROTH  R901283406

原裝德國力士樂齒輪泵，PGM序列最大壓力210Kg，最高轉速3000轉，性能卓越，專業應用于注塑機伺服系統。

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南京澤登代理銷售博世力士樂(BOSCH-REXROTH)生產的A10VO10、18、28、45、71、100、140柱塞變量恒壓泵。
博世Bosch液壓產品主要應用于塑料機械、橡膠、冶金、電力、工程機械、船舶、起重機械等行業。

壓力繼電器是利用液體的壓力來啟閉電氣觸點的液壓電氣轉換元件。當系統壓力達到壓力繼電器的調定值時，發出電信號，使電氣元件（如電磁鐵、電機、時間繼電器、電磁離合器等）動作，使油路卸壓、換向，執行元件實現順序動作，或關閉電動機使系統停止工作，起安全保護作用等。
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