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R900938005 LC40B10E7X/

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品 牌: 力士樂 
型 號: R900938005 LC40B10E7X/ 
規(guī) 格: R900938005 LC40B10E7X/ 
單 價: 面議 
起 訂:  
供貨總量:
發(fā)貨期限: 自買家付款之日起 3 天內發(fā)貨
所在地: 湖北 黃岡市
有效期至: 長期有效
更新日期: 2017-06-22 17:49
瀏覽次數(shù): 4
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【R900938005 LC40B10E7X/】詳細說明
?R900938005 LC40B10E7X/武穴黎翔機電設備有限公司,詢價聯(lián)系人:何女士

詢價電話:0713-6542758,18934630908 ???

詢價傳真:0713-6542758

詢價QQ: 736567721,704552157

R900925687 4WRAE10W1-30-22/G24N9K31/F1V

0811402141 DBETBEX-1X/315G24K31F1MR901029966 DBETE-6X/50G24K31A1V

R901045240 DBETE-6X/50G24K31F1V

R901064544 DBETE-6X/50YG24K31A1V

0811402022 DBETFX-1X/180G24-27NZ4M

0811402021 DBETFX-1X/250G24-27NZ4M?在這種情況下,采取“進油側壓力控制,出油側流量控制”,在液壓缸有桿腔側用壓力控制,無桿腔側有流量控制。?

   如負載方向不變,由于出油側采取了流量控制,我們可將雙向平衡閥用液控單向閥來替換,從而提高系統(tǒng)的穩(wěn)定性。進油側用壓力控制器來維持一個較低的參考壓力,一方面提高系統(tǒng)效率,另一方面使系統(tǒng)不發(fā)生氣穴。?

   為了使負載方向變化的工作機構能得到很好控制,另外一個PI控制器將被運用到有桿腔的壓力控制器中,當負載方向改變后,無桿腔的壓力將減?。蝗绻詫⒂袟U腔維持一個很低的壓力,當負載很大時,液壓缸將向反方向運動。此時我們可用所增加的PI控制器監(jiān)視無桿腔壓力的變化,當PI控制器檢測到無桿腔壓力低于所設定的參考值時,將提高有桿腔壓力控制器所設定的壓力,從而保證系統(tǒng)的正常工作。?

3、Ultronics液壓控制系統(tǒng)?

   Ultronics公司是一家集設計、研究和制造的電子液壓技術公司。其液壓控制系統(tǒng)采用了CAN總線通信,雙閥芯控制技術,通過兩個閥芯的組合控制,可實現(xiàn)對執(zhí)行機構多種控制,以提高系統(tǒng)的穩(wěn)定性,降低能源損耗,同時還可使得系統(tǒng)更加簡單,降低成本,加快產品開發(fā)速度,這些都是傳統(tǒng)的電子系統(tǒng)所不能做到的。?

   Ultronics控制系統(tǒng)的硬件一般由操縱手柄、電控單元ECU、調節(jié)閥、雙閥芯液壓閥組和外接傳感器或開關等組成,其間通過CAN總線通信,液壓閥組為電控系統(tǒng)與液壓系統(tǒng)的交匯點,系統(tǒng)的另一個重要組成部分就是軟件。?

   手柄為光電非接觸形式,最多可帶4個比例輸出或2個比例輸出和最多5個開關。? ??

R901099816 HED8OH-2X/350K14AV

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R900082899 LEITUNGSDOSE 4P Z24 WINKEL SPEZ

R900912620 LFA16E-7X/CA20DQMG24F

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? ? LFA25E-7X/CA20DQMG24F

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? ? LFA32E-7X/CA40DQMG24F

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R900938197 LFA50E-7X/CA40DQMG24F

R900052392 M-3SED6CK1X/350CG24N9K4

? ??

R900052621 M-3SED6UK1X/350CG24N9K4

? ??

R900566273 M-3SEW6C3X/420MG24N9K4

R900566283 M-3SEW6U3X/420MG24N9K4

R900345745 M-SR10KE02-1X/

R900344549 M-SR10KE05-1X/

R900345372 M-SR15KE05-1X/

R900340979 M-SR20KE05-1X/

R900344778 M-SR25KE05-1X/

R900345743 M-SR30KE02-1X/

R900344919 M-SR30KE05-1X/

R900357718 M-SR8KE05-1X/V

R901083065 OD.02.17.01.30.OC/S8-356-H

R901082015 OD.15.31.18.3A.S0/VEI-8A-2T-060-NC-S-NSS

R901091179 OD.15.32.89.1A.S0.000開關有比例式和自鎖式供選擇。其防護等級達到了IP67。手柄的延時特性、輸出曲線和死區(qū)等可通過專用軟件JoyVal進行修改。?

   電控單元ECU其供電壓有12V和24V兩種,25路和50路兩種接口,提供模擬與數(shù)字輸入、輸出接口,同時該電控單元還提供了CAN信接口,使得系統(tǒng)可以接收傳感器或控制信號或與其它系統(tǒng)進行連接。ECU中存儲了系統(tǒng)控制所需的所有應用程序,該應用程序可將來自于手柄或連接于ECU上的其它器件和信號(如傳感器檢測信號、發(fā)動機控制系統(tǒng)信息等),經處理后轉換成各個閥芯動作的指令。?

   Ultronics控制系統(tǒng)的關鍵在于其獨特的雙閥芯控制技術,每片閥有兩個閥芯,相當于將一個三位四通閥變成兩個三位三通閥的組合,兩個閥芯既可單獨控制,也可根據(jù)控制邏輯進行成對控制,并且兩個工作油口都有壓力傳感器,每一個閥芯都有位置傳感器,通過對傳感信號的閉環(huán)控制可以分別對兩路液壓油的壓力或流量進行控制,具有很高的控制精度,通過不同的組合可以得到許許多多的控制方案,以滿足系統(tǒng)的需要。?

   每片閥都有兩個完整的設置好的混合信號ASIC(模擬型專用集成電路)和一個RISC(精簡指令處理器)。這些控制器給傳感器提供激勵和補償、給控制傳動裝置提供動力、提供閥芯控制軟件以及CAN總線通信。閥芯動作控制策略以及具體的參數(shù)可由用戶根據(jù)被控執(zhí)行元件的要求進行設置或修改??刂崎y接收到指令后,其內嵌式處理器就運行閥芯動作控制軟件實現(xiàn)設定的機能,多個閥間的功能協(xié)調是由ECU完成的,從而實現(xiàn)復雜的系統(tǒng)功能。這種分級控制方式使系統(tǒng)的應用具有非常好的靈活性,同時易于構建復雜的控制系統(tǒng)。?

   Ultronics控制系統(tǒng)功能的多樣性是通過應用軟件實現(xiàn)的,通過有針對性的編制控制軟件。Ultronics控制系統(tǒng)可實現(xiàn)的功能是極其廣泛的。履帶挖掘機、輪式挖掘機、裝載機等先進機型在操作舒適性、作業(yè)效率、作業(yè)成本消耗、故障診斷、環(huán)境保護等方面所做的努力,比如發(fā)動機狀態(tài)與液壓系統(tǒng)的適應控制、特定作業(yè)功能等,采用Ultronics系統(tǒng)都可實現(xiàn)。?

   總之,通過CAN總線通訊、獨特的雙閥芯結構和壓力、位移傳感器的應用以及壓力或流量的閉環(huán)控制技術、Ultronics公司的電子液壓控制系統(tǒng)使工程機械控制系統(tǒng)在功能的多樣性、實現(xiàn)的靈活性、較低的

0811402020 DBETFX-1X/315G24-27NZ4MR900572882 LC100B10E6X/

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R900566283 M-3SEW6U3X/420MG24N9K4
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R934001459 OD.65.31.21.14.00/VPI-8A-2T-12-NC-S
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R901147118 PGH5-3X/125RE11VU2
R901147119 PGH5-3X/160RE11VU2
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