供应MAGNETSPULE 45-K4K-30G220 00德国

详情描述：

原装德国力士乐MAGNETSPULE 45-K4K-30G220 00

经营产品：

阀类：电磁阀、换向阀、单向阀、溢流阀、减压阀、平衡

阀、插装阀、比例阀等

泵类：齿轮泵、柱塞泵、叶片泵等

承诺：保证原装正品，假一赔十   量大价格好商量！！

武穴黎翔机电设备有限公司REXROTH力士乐销售部

询价联系人：陈先生                                              

询价QQ:      1477538929，         2593165857   

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力士乐REXROTH比例阀，REXROTH阀工作原理

伺服阀与比例阀的区别   

REXROTH力士乐比例阀与比例阀之间的差别并没有严格的规定，因为比例阀的性能越来越好，逐渐向伺服阀靠近，所以近些年出现了比例伺服阀。   

力士乐REXROTH比例阀，REXROTH阀工作原理REXROTH力士乐比例阀非要说差别，主要体现在一下几点：   

伺服阀中位没有死区，比例阀有中位死区；   

伺服阀的频响（响应频率）更高，可以高达200Hz左右，比例阀一般高几十Hz；   

伺服阀对液压油液的要求更高，需要精过滤才行，否则容易堵塞，比例阀要求低一些。   

REXROTH力士乐比例伺服阀性能介于伺服阀和比例阀之间。   

REXROTH力士乐比例换向阀属于比例阀的一种，用来控制流量和流向。

力士乐REXROTH比例阀，REXROTH阀工作原理

力士乐Rexroth比例阀在使用过程中,应注意对感载比例阀的检查调整.当感载弹簧过松时,后轮制动力就会减小,此时应调整感载弹簧,但不可调得过紧,否则会使后轮制动力太大而失去侧向控制能力,发生甩尾。正确的调整方法是.在平坦的地面上使车身落地,车辆空载,调整感载弹簧,使杠杆与活塞间无间隙即可.在有条件的情况下,可采用的调整方法.通过测量前后轮制动管路压力,绘制压力分配特性曲线,确认调整是否合格。

德国Rexroth力士乐比例阀的工作原理，REXROTH力士乐比例阀结构，力士乐比例阀作用

REXROTH力士乐比例阀当左侧受力大于右侧受力与感载弹簧预紧力之和时（此时的压力为Ps）,活塞不断右移,后使阀门与阀座接触而关闭,将输入输出油路隔绝,达到平衡状态。P1若进一步升高时,则活塞左移,阀门再度打开,制动液流入出油口,使P2也升高。

德国rexroth比例阀VT-NE30-2X的输入压力为零.即.;时,输出腔的压力通过比例阀皮圈凸筋间空酸从唇口泄去高压,同时,当比例阀芯所受的弹簧力大于向右的液压力时,比例阀弹簧将比例阀芯推回原始位置,使比例阀芯与比例阀皮圈内孔完全分离而完全泄压.此时输入输出压力为零.随着输入压力.增大,即左增大,使比例滑阀单向力平衡遭破坏.当<>&;6-时,比例阀芯左移与比例阀皮圈产生间隙形成节流并混合比倒阀常见的故障为:1,输入输出压力同步.2,低压时辅人输出压力同步,高压时输入输出压力正常.3,低压时输入输出压力正常,高压时输入输出压力不正常.,1994.№为零时为混合比倒圉工作性能试验示意图.试验时,先将管内的空气排净,然后分别取低,中,高三个压力进行试验,输入辅出压力符合即为合格。

Rexroth力士乐比例阀奥迪四轮驱动轿车制动系统在关闭ABS后,感载比例阀可用于防止后轮的过制动。当汽车直线行驶时,两后轮的制动压力可根据车辆载荷增减;当汽车左转弯时,左后轮载荷下降,由于感载比例阀位于左后轮附近,可同样起作用使两后轮的制动压力都下降.而当汽车右转弯时,右后轮载荷减小,汽车的侧向加速度使感载比例阀起作用,降低右后轮的制动压力。这样的自动调节使前、后轮的制动力分配和左、右后轮的制动力分配都接近理想的制动力分配,从而提高了制动安全性。

力士乐比例流量阀   

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DBETBX-1X/250G24-37Z4M-38

DBETBX-1X/180G24-37Z4M

DBETBX-1X/315G24-37Z4M

DBETX-1X/315G24-8NZ4M

DBETX-1X/180G24-8NZ4M

DBETX-1X/80G24-8NZ4M

DBETX-1X/250G24-8NZ4M

DBETX-1X/80G24-25NZ4M

DBETX-1X/180G24-25NZ4M

DBETX-1X/50G24-8NZ4M

DBE6X-1X/315G24-25NZ4M

DBE6X-1X/315G24-8NZ4M

DREB6X-1X/75MG24-25Z4M

DRE6X-1X/175MG24-8NZ4M

DBETBEX-1X/180G24K31A1M

DBETBEX-1X/250G24K31A1M

VT-PPV-1-1X/V0/0

VT3000-3X

M-3SED10CK1X/350CG24N9K4

M-3SED10UK1X/350CG24N9K4

PVV5-1X/193RA15DMC

PVV21-1X/040-018RA15RRMB

PVV5-1X/193RA15RMC

PVV4-1X/122RA15DMC

PVV1-1X/036RA15DMB

PVV5-1X/193RA15UMC

PV7-16/16-30RE01MC0-08

PV7-1X/100-118RE07MC0-16

PV7-17/25-30RE01MCO-16

PV7-17/16-20RE01MCO-16

4WRZ16E150-70/6EG24N9ETK4/M

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4WRZ25W8-220-7X/6EG24N9K4/M

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4WREE6E32-2X/G24K31/A1V(R900907114)

4WRZE32W8-360-7X/6EG24N9EK31/A1D3V

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4WREE10V75-2X/G24K31/F1V

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4WREE10W1-75-2X/G24K31/F1V

4WRZE10W6-85-7X/6EG24N9ETK31/A1D3V（R900932993)

4WRZ16W8-150-7X/6EG24N9K4/M

4WRZ16E150-7X/6EG24N9ETK4/D3M(R900966566)

4WRAE10E1-60-2X/G24N9K31/F1V

4WRZE16W8-100-7X/6EG24N9ETK31/F1D3M

4WRAE10W1-30-2X/G24N9K31/F1V

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4WRZE32W8-520-7X/6EG24N9EK31/A1D3M

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4WRZE16W6-150-7X/6EG24K31/A1M

4WREE6-E1-32-22/G24K31/A1V

4WRP10EA63S-1X/G24Z4/M

4WRZ25W8-325-7X/6EG24N9ETK4/D3M

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4WRZE10E50-70/6EG24N9EK31/F1D3M

4WRZE16W8-100-7X/6EG24N9JEK31/F1D3M

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4WRTE16E1-200L-4X/6EG24ETK31/F1M

4WRAE10E60-2X/G24K31/A1V

4WRZE16E-150-7X/6EG24K31/A1M

4WRZE25E-325-7X/6EG24K31/A1M主要参数：

5位4通高频响伺服方向阀

材料订货号SN：0811404612

产品规格大小6mm

内置集成式电子放大板(OBE)

公称供电电压24VDC

用于位置、速度和压力的闭环控制

通过控制电磁铁触发控制流量的方向和大小

公称流量24L/min

流量40L/min

通过感应位置检测器对控制滑阀进行位置控制

正遮盖,直动式,带电位反馈

工作压:油口P. A. B为315 bar，油口T为250 bar

4WRZE32E-520-7X/6EG24K31/A1M

4WRZ10E50-7X/6EG24N9EK4/V

4WS2EM10-51/60B11T315K31VC-114

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4WRAP6W7-07-30/G24K4M

4WRAP6W7-04-30/G24K4M

4WRPH10C3B100L-2X/G24Z4/M

4WRPH10C4B100L-2X/G24Z4/M

3DREE10P-6X/200YG24K31V

3DR16P5-5X/250Y/00M

3DREE10P-6X/315YG24K31V

3DREM16P6X/200YG24K4V

4WRZE32E1-7X/6EG24N9K31/F1M

3DREP6C-1X/25A24NK4M

4WRKE16W6-125L-3X/6EG24ETK31/A5D3M

4WRAP6W7-04-3X/G24K4M

4WRPH6C4B24L-2X/G24K0/M-750

4WRZE10W8-85-7X/6EG24EK31/F1M

4WRZE32W8-520-7X/6EG24EK31/F1M

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4WRPEH6C4B40L-2X/G24K0/F1M

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4WRZE10W8-85-7X/6EG24N9ETK31F1D3M

4WRZE32W8-520-7X/6EG24N9TK31/F1D3M0510325307Bosch力士乐齿轮泵现货

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R9012976870510325307Bosch力士乐齿轮泵现货

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FESXE25CA-1X/210LK0B1M电磁阀应用十分广泛，而使用时情况却千差万别，增强通用性能降低制造、购销、存贮、安装、维护的成本，近年来这方面迈出了大步。

(1)响应时间可调

　　给出电信号到阀芯动作完成的时间称为响应时间。不同场合希望开关速度不同，有四种组合：快开快关----用于快速反应系统;快开慢关----用于防止水锤;慢开快关---用于缓启急断; 慢开慢关一一用于平稳过渡。ZDF 多功能电磁阀可方使地调整于任一状态，应用十分灵活。

　　(2)扩展介质适用范固。

　　电磁阀与其它自控阀不同在于介质粘度适用范围较窄，所以空气、水、蒸汽、油等介质对于先导型电磁阀其结构参数是不同的;一般地说是不能通用的。而ZDF多功能电磁阀只用一颗小螺钉，却做到了气、水、油的通用，而且还使油的粘度适用范围大大加宽，深受欢迎。

　　(3)开度可调与于动兼窑

　　电磁阀在使用时常常还希望它兼具手动功能，作为停电或故障时备用。

　　一般手动装置只能手动开阀或手动关阀，二者齐备的称完全手动。手动装置还能对阀门开度进行预置，一般手动只能对阀的大或小开度进行预置，而完全手动能分别对大或小开度进行预置。ZDF多功能电磁阀属完全手动类。其它型号电磁阀根据需要可带简单的一般手动装置。

   

   

电磁阀是用电磁的效应进行控制，主要的控制方式由继电器控制。这样，电磁阀可以配合不同的电路来实现预期的控制，而控制的精度和灵活性都能够保证。

　　电磁阀的主要特点

　　(1)外漏堵绝，内漏易控，使用安全。内外泄漏是危及安全的要素。其它自控阀通常将阀杆伸出，由电动、气动、液动执行机构控制阀芯的转动或移动。这都要解决长期动作阀杆动密封的外泄漏难题;唯有电磁阀是用电磁力作用于密封在隔磁套管内的铁芯完成，不存在动密封，所以外漏易堵绝。电动阀力矩控制不易，容易产生内漏，甚至拉断阀杆头部;电磁阀的结构型式容易控制内泄漏，直至降为零。所以，电磁阀使用特别安全，尤其适用于腐蚀性、有毒或高低温的介质。

　　(2)系统简单，便接电脑，价格低谦。电磁阀本身结构简单，价格也低，比起调节阀等其它种类执行器易于安装维护。更显著的是所组成的自控系统简单得多，价格要低得多。由于电磁阀是开关信号控制，与工控计算机连接十分方便。在当今电脑普及，价格大幅下降的时代，电磁阀的优势就更加明显。

　　(3)动作快递，功率微小，外形轻巧。电磁阀响应时间可以短至几个毫秒，即使是先导式电磁阀也可以控制在几十毫秒内。由于自成回路，比之其它自控阀反应更灵敏。设计得当的电磁阀线圈功率消耗很低，属节能产品;还可做到只需触发动作，自动保持阀位，平时一点也不耗电。电磁阀外形尺寸小，既节省空间，又轻巧美观。

　　(4)调节精度受限，适用介质受限。电磁阀通常只有开关两种状态，阀芯只能处于两个极限位置，不能连续调节，(力图突破的新构思不少，但还都处于试验试用阶段)所以调节精度还受到一定限制。电磁阀对介质洁净度有较高要求，含颗粒状的介质不能适用，如属杂质须先滤去。另外，粘稠状介质不能适用，而且，特定的产品适用的介质粘度范围相对较窄。

　　(5)型号多样，用途广泛。电磁阀虽有先天不足，优点仍十分突出，所以就设计成多种多样的产品，满足各种不同的需求，用途极为广泛。电磁阀技术的进步也都是围绕着如何克服先天不足，如何更好地发挥固有优势而展开。

   

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