M-3SED10CK13/350CG24N9K4

询价：何女士
询价：，    
询价
询价: .当系统使用蓄能器时，液压泵流量按系统在一个循环周期中的平均流量选取，即qB= ViK/Ti 式中：Vi为液压缸在工作周期中的总耗油量(m3)；Ti为机器的工作周期(s)；Z为液压缸的个数。 (3)选择液压泵的规格：根据上面所计算的zui大压力pB和流量qB，查液压元件产品样本，M-3SEW10C1X/420MG220N9F4
M-3SED6UK13/350G24N9K4
M-3SED6CK13/350G24N9K4
M-3SED6CK1X/350CG24N9K4
M-3SED6CK13/350CG205N9K4/V
M-3SED6CK14/350CG24N9K4+Z4
M-3SED6CK14/350CG24N9XNZ4/V
M-3SED6CK1X/350CG24N9XNK4/B15V+Z14
M-3SED6UK1X/350CG24N9K4QMBG24/B15
M-3SED10CK13/350CG24N9K4
M-3SED10CK13/350CG24N9K4/V
M-3SED10CK1X/350CG24N9K4B20
M-3SED10UK13/350CG24N9K4
M-3SED10UK1X/350CG24N9K4/B12
M-4SED6D-1X/350CG24N9K4
M-4SED10Y1X/350CG24N9K4
M-2SEW6P/3X/420MG24N9K4选择与PB和qB相当的液压泵的规格型号。上面所计算的zui大压力pB是系统静态压力，系统工作过程中存在着过渡过程的动态压力，而动态压力往往比静态压力高得多，所以泵的额定压力pB应比系统zui高压力大25%～60%，使液压泵有一定的压力储备。若系统属于高压范围，止阀，力士乐Rexroth控制阀块。
M-3SEW6C36/420MG24N9K4
M-3SEW6U3X/420MG24N9K4
M-3SEW6U3X/420MG24N9K4
M-3SEW6U3X/420MG24N9K4+Z5L
M-3SEW6U36/420MG205N9K4/B12
M-3SEW6U30/420MG24N9Z4
M-3SEW6UK3X/420MG24N9K4
M-3SEW10C1X/420MG24N9K4/B12
M-3SEW10U14/420MG24N9K4/B15
M-3SED10UK1X/350CG24N9K4 
M-4SEW6D36/420WG24N9K4

R900221358 M-3SED6UK13/350CG24N9K4/V
R900221358 M-3SED6UK13/350CG24N9K4/V
R900221358 M-3SED6UK13/350CG24N9K4/V
R900221358 M-3SED6UK13/350CG24N9K4/V压力储备取小值；若系统属于中低压范围，压力储备取大值。(4)确定驱动液压泵的功率。①当液压泵的压力和流量比较衡定时，所需功率为：p=pBqB/103ηB (kW) 式中：pB为液压泵的zui大工作压力(N/m2)；qB为液压泵的流量(m3/s)；ηB为液压泵的总效率，各种形式液压泵的总效率可参考下表估取，液压泵规格大，取大值，反之取小值，定量泵取大值，变量泵取小值。表 液压泵的总效率液压泵类型 齿轮泵 螺杆泵 叶片泵 柱塞泵总效率 0.6～0.7 0.65～0.80 0.60～0.75 0.80～0.85②在工作循环中，泵的压力和流量有显著变化时，可分别计算出工作循环中各个阶段所需的驱动功率，然后求其平均值，即p=式中：t1，t2，…，tn为一个工作循环中各阶段所需的时间(s)；P1，P2，…，Pn为一个工作循环中各阶段所需的功率(kW)。按上述功率和泵的转速，可以从产品样本中选取标准电动机R900494199 3DREP 6 A-1X/45A24NK4M
R900494195 3DREP 6 B-1X/45A24NK4M
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R900494153 3DREP 6 C-1X/16A24K4M
R900484840 3DREP 6 C-1X/16A24NJM，再进行验算，使电动机发出zui大功率时，其超载量在允许范围内。二、阀类元件的选择1.选择依据选择依据为：额定压力，zui大流量，动作方式，安装固定方式，压力损失数值，工作性能参数和工作寿命等。2.选择阀类元件应注意的问题(1)应尽量选用标准定型产品，除非不得已时才自行设计件R900938232 LFA63DBEM-7X/400
R900938231 LFA63DBEM-7X/315
R900938183 LFA50DBEM-7X/400
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R900938089 LFA40DBEM-7X/315
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R900936262 LFA16DBEM-7X/200
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R900935342 DBET-3X/315G24K4-152
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R900931681 DBETE-5X/315G24K31M-20
R900930582 LFA16DBEM-7X/420
R900929677 DBET-5X/200G12K4M-1
R900929676 DBET-5X/315G12K4M-1
R900929309 DBEM10-5X/50XYG24NK4M