意大利ATOS齒輪泵PFG-211-D-R0

齒輪泵的概念是很簡單的，即它的Z基本形式就是兩個(gè)尺寸相同的齒輪在一個(gè)緊密配合的殼體內(nèi)相互嚙合旋轉(zhuǎn)，這個(gè)殼體的內(nèi)部類似“8”字形，兩個(gè)齒輪裝在里面，齒輪的外徑及兩側(cè)與殼體緊密配合。來自于擠出機(jī)的物料在吸入口進(jìn)入兩個(gè)齒輪中間，并充滿這一空間，隨著齒的旋轉(zhuǎn)沿殼體運(yùn)動(dòng)，Z后在兩齒嚙合時(shí)排出。
在術(shù)語上講，齒輪泵也叫正排量裝置，即像一個(gè)缸筒內(nèi)的活塞，當(dāng)一個(gè)齒進(jìn)入另一個(gè)齒的流體空間時(shí)，液體就被機(jī)械性地?cái)D排出來。因?yàn)橐后w是不可壓縮的，所以液體和齒就不能在同一時(shí)間占據(jù)同一空間，這樣，液體就被排除了。由于齒的不斷嚙合，這一現(xiàn)象就連續(xù)在發(fā)生，因而也就在泵的出口提供了一個(gè)連續(xù)排除量，泵每轉(zhuǎn)一轉(zhuǎn)，排出的量是一樣的。隨著驅(qū)動(dòng)軸的不間斷地旋轉(zhuǎn)，泵也就不間斷地排出流體。泵的流量直接與泵的轉(zhuǎn)速有關(guān)。
實(shí)際上，在泵內(nèi)有很少量的流體損失，這使泵的運(yùn)行效率不能達(dá)到，因?yàn)檫@些流體被用來潤滑軸承及齒輪兩側(cè)，而泵體也絕不可能無間隙配合，故不能使流體地從出口排出，所以少量的流體損失是必然的。然而泵還是可以良好地運(yùn)行，對大多數(shù)擠出物料來說，仍可以達(dá)到93%～98%的效率。
對于粘度或密度在工藝中有變化的流體，這種泵不會(huì)受到太多影響。如果有一個(gè)阻尼器，比如在排出口側(cè)放一個(gè)濾網(wǎng)或一個(gè)限制器，泵則會(huì)推動(dòng)流體通過它們。如果這個(gè)阻尼器在工作中變化，亦即如果濾網(wǎng)變臟、堵塞了，或限制器的背壓升高了，則泵仍將保持恒定的流量，直至達(dá)到裝置中Z弱的部件的機(jī)械極限(通常裝有一個(gè)扭矩限制器)。

AGAM-10/10/100/V-IN24DC WG
AGAM-10/10/210-IN230AC
AGAM-10/10/210-IN24DC
AGAM-10/10/350-IN24DC
AGAM-10/100
AGAM-10/11/210-1X24DC
AGAM-10/11/350
AGAM-10/20/350/100/350-24DC
AGAM-10/20/350/100-IX24DC
AGAM-10/210
AGAM-10/210/V
AGAM-10/22/210/100-IN230AC
AGAM-10/350
AGAM-10/50
AGAM-20/10/210
AGAM-20/10/210-IX24DC
AGAM-20/10/350/V
AGAM-20/11/210-N24DC
AGAM-20/11/350-IN24DC
AGAM-20/11/50
AGAM-20/210
AGAM-20/210/V
AGAM-20/22/210-IX230AC
AGAM-32/210
AGIR-10/100
AGIR-10/210
AGIR-10/210/V
AGIR-10/350
AGIR-20/210
AGISR-20/210V
AGIU-20/10/100/D/V-IN24DC WG
AGMZO-A-010/100
AGMZO-A-010/210
AGMZO-TERS-PS-010/210/I
AGMZO-TERS-PS-10/210
AGMZO-TERS-PS-10/210/I
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AGRCZ-A-020/100
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AGRCZO-AE-20/210/P
AGRL-10-2
AGRL-20/2
AGRLE-10
AGRLE-20
AQFR-10
ARAM-20/10/210-IN24DC
ARAM-20/210
ARE-06/350
ARE-06/50
ARE-06/500/V
ARE-15/15/44
ARE-15/50/V
ARE-15/75
C-14128
CK-25/12*100-Z308-23
CK-32/14*0280-D901
CK-32/22*0250-L002D1Y1AW
CK-32/22*0250-L002D1Y1AW
CK-40/18*0182-D901
CK-40/28*160-D001A
CK50/36*0200-E001
CK-63/36 X 0265-C601-30
DB-10/G
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DH-0113
DH-0143
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DHA/UL-0611/A/NPT  24DC
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DHA-0630/2/PA-GK
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DHI-0611
DHI-0614-X230AC
DHI-0630/2
DHI-0631/2- N230AC
DHI-0631/2/A-N24DC
DHI-0632/2    24DC
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DHI-0718
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DHI-0751/2-X24DC（+帶燈插頭）
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DHU-0671
DHU-0710 X24DC
DHU-0711/WP-X24DC (+帶燈插頭)
DHU-0713 X24DC
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DKE-1713/L/WP-N24DC
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DKU-1631/2-X24DC (+帶燈插頭)
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DLKZOR-TE-140-L71
DLKZOR-TE-140-L73/B+SP-ZN-7P
AGAM-10/10/100/V-IN24DC WG
AGAM-10/10/210-IN230AC
AGAM-10/10/210-IN24DC
AGAM-10/10/350-IN24DC
AGAM-10/100
AGAM-10/11/210-1X24DC
AGAM-10/11/350
AGAM-10/20/350/100/350-24DC
AGAM-10/20/350/100-IX24DC
AGAM-10/210
AGAM-10/210/V
AGAM-10/22/210/100-IN230AC
AGAM-10/350
AGAM-10/50
AGAM-20/10/210
AGAM-20/10/210-IX24DC
AGAM-20/10/350/V
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AGAM-20/11/50
AGAM-20/210
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AGAM-20/22/210-IX230AC
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AGIR-10/100
AGIR-10/210
AGIR-10/210/V
AGIR-10/350
AGIR-20/210
AGISR-20/210V
AGIU-20/10/100/D/V-IN24DC WG
AGMZO-A-010/100
AGMZO-A-010/210
AGMZO-TERS-PS-010/210/I
AGMZO-TERS-PS-10/210
AGMZO-TERS-PS-10/210/I
AGMZO-TERS-PS-10/210/I
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AGRCZ-A-020/100
AGRCZO-A-010/100
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AGRCZO-A-20/210/R
AGRCZO-AE-20/210/P
AGRL-10-2
AGRL-20/2
AGRLE-10
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AQFR-10
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ARAM-20/210
ARE-06/350
ARE-06/50
ARE-06/500/V
ARE-15/15/44
ARE-15/50/V
ARE-15/75
C-14128
CK-25/12*100-Z308-23
CK-32/14*0280-D901
CK-32/22*0250-L002D1Y1AW
CK-32/22*0250-L002D1Y1AW
CK-40/18*0182-D901
CK-40/28*160-D001A
CK50/36*0200-E001
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DB-10/G
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DH-0113
DH-0143
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DH-0431/2
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DHA-0611/A/NPT  24DC
DHA-0630/2/PA-GK
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DHI-0630/2
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DHI-0713-N24DC
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DKE-1710/2
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DLKZOR-TE-140-L73/B+SP-ZN-7P