产品详情
设备的革新或改造。使设备自动化控制水平大为提高。其在现代液雌系统中占比例很大口
与普通液压阀相比.比例阀的优点是:①能简单地实现远距离控制:②能连续地、按比例地控制液压系统的压力和流量。从而实现对执行机构的位置、速度和力的连续控制,并能防止或减小压力、速度变换时的冲击;③油路简化,元件数量少。
比例阀适用于既要求能连续控制胀力、流量.和方向.而又不需要很I的控制精度的场合。
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武穴黎翔专业代理德国力士乐全系列产品, 专注原装全新力士乐 ,大量现货,假一罚万,力士乐好价格!!欢迎询价!!
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
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武穴黎翔机电设备有限公REXROTH力士乐销售部
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广泛应用于钢铁、冶金、铝行业、石油化工、航天、船舶制造、煤炭、水泥、电力、汽车、工程机械、食品、药业、林业、纺织、皮革、造纸等行业领域力士乐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,比例阀一般最高几十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,可采用精确的调整方法.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,最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。
德国博世力士乐rexroth节流阀,力士乐rexroth流量阀,力士乐液控单向阀
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R900424147 DBDS 10 K1X/100
R900424149 DBDS 10 K1X/200
R900424150 DBDS 10 K1X/315
R900424152 DBDS 10 K1X/400
R900581526 Z2FS6A2-4X/1QV
R900505004 Z2FS6-5-4X/2Q
R900502066 Z2FS6A3-4X/2QV
R900481624 Z2FS6-2-4X/2QV
R900481623 Z2FS6-2-4X/1QV
R900481622 Z2FS6-2-4X/2Q
R900481621 Z2FS6-2-4X/1Q
R900476838 Z2FS6-5-4X/2QV
R900465879 Z2FS6B7-4X/2QV
R900455714 Z2FS6-3-4X/2QV
R900441810 Z2FS6-7-4X/2QV
R900440565 Z2FS6B2-4X/2QV
R900439389 Z2FS6A2-4X/2QV
R900702136 Z2FS10A5-3X/SVSO30
R900571890 Z2FS10A5-3X/S2
R900569858 Z2FS10A3-3X/S2V
R900562269 Z2FS10B7-3X/SV
R900560900 Z2FS10-5-3X/VSO30
R900536467 Z2FS10-5-3X/JV
R900526683 Z2FS10A7-3X/SV
R900524995 Z2FS10A3-3X/SV
R900523926 Z2FS10-7-3X/V
R900523737 Z2FS10-3-3X/V
R900523578 Z2FS10A5-3X/S2V
R900520680 Z2FS10B5-3X/SV
R900517814 Z2FS10B5-3X/S2V
R900517813 Z2FS10A5-3X/SV
R900517812 Z2FS10-5-3X/V
R901136637 Z2FS10A5-3X/S2SO11
R901082914 Z2FS10-3-3X/VSO30
R900989099 Z2FS10A5-3X/S
R900989095 Z2FS10-5-3X/
R900205531 Z2FS10-5-3X/SO30
R900061121 Z2FS10B5-3X/S2VSO30
R900057401 Z2FS10B3-3X/SV
R900035640 Z2FS10B5-3X/SVSO30
R900033142 Z2FS10B7-3X/S2V
R900032241 Z2FS10A7-3X/S2V
R900989099 Z2FS10A5-3X/S
R900989096 Z2FS10-7-3X/
R900989095 Z2FS10-5-3X/
R900989094 Z2FS10-3-3X/
R900571890 Z2FS10A5-3X/S2
R900569858 Z2FS10A3-3X/S2V
R900560900 Z2FS10-5-3X/VSO30
R900524995 Z2FS10A3-3X/SV
R900523926 Z2FS10-7-3X/V
R900523737 Z2FS10-3-3X/V
R900523578 Z2FS10A5-3X/S2V
R900520680 Z2FS10B5-3X/SV
R900517814 Z2FS10B5-3X/S2V
R900517813 Z2FS10A5-3X/SV
R900517812 Z2FS10-5-3X/V
R900205531 Z2FS10-5-3X/SO30
R900071261 Z2FS10B3-3X/S2V
R900057401 Z2FS10B3-3X/SV
R900591255 Z2FS16-3X/S2VSO3
R900591254 Z2FS16-3X/SVSO3
R900560761 Z2FS16-3X/SSO73
R900560760 Z2FS16-3X/SSO72
R900560759 Z2FS16-3X/SSO71
R900473688 Z2FS16-3X/S2V
R900470529 Z2FS16-3X/SV
R900459203 Z2FS16-3X/S
R900457256 Z2FS16-3X/S2
R900863207 VERSTELLUNGZ2FS16-31/BG
R900426851 Z2FS16-3X/SSO3
R900419300 Z2FS16-3X/SJ
R900473688 Z2FS16-8-3X/S2V
R900470529 Z2FS16-8-3X/SV
R900459203 Z2FS16-8-3X/S
R900457256 Z2FS16-8-3X/S2
R900073408 Z2FS16-8-3X/S2=LB

