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REXROTH換向閥

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REXROTH換向閥 德國(guó)力士樂(lè)換向閥東莞銷售,我公司提供選型服務(wù),并協(xié)助客戶提升安全級(jí)別與認(rèn)證,并且提供售后服務(wù)

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REXROTH換向閥 德國(guó)力士樂(lè)換向閥東莞銷售

REXROTH換向閥

節(jié)能降噪新概念
只需在原有系統(tǒng)增加一個(gè)變頻器,即刻享有高效節(jié)能新動(dòng)力
 

  
節(jié)能降噪新概念
在過(guò)去數(shù)十年間,塑機(jī)行業(yè)采用比例及高頻響閥,并通過(guò)使用電子泵改進(jìn)能量平衡始終處于技術(shù)的zui前沿。力士樂(lè)的DFE電子變量泵在動(dòng)態(tài)性能和精度方面都得到了認(rèn)可,已經(jīng)成為了塑機(jī)行業(yè)的標(biāo)配。為了進(jìn)一步節(jié)能,力士樂(lè)作為技術(shù)創(chuàng)新的*,提出了變轉(zhuǎn)速DFEn泵控系統(tǒng)。DFEn系統(tǒng)是基于DFE泵,通過(guò)標(biāo)準(zhǔn)異步電動(dòng)機(jī)來(lái)承擔(dān)驅(qū)動(dòng)功能,由力士樂(lè)動(dòng)態(tài)變頻器Fe 負(fù)責(zé)控制電機(jī)的轉(zhuǎn)速,DFEn內(nèi)置的電子控制器控制變頻器的輸出。PLC只輸出壓力和流量指令到DFEn控制器, 與控制其它泵控或閥控系統(tǒng)一樣。

DFEn系統(tǒng)作為伺服泵系統(tǒng)的一種,其DFE泵的高響應(yīng)特性彌補(bǔ)了普通異步電機(jī)和變頻器的響應(yīng)慢的缺點(diǎn),保證了系統(tǒng)的高響應(yīng)特性。得益于DFE泵擺角的快速相應(yīng)特性(*到0 流量,響應(yīng)≤60ms),DFEn的響應(yīng)速度不亞于伺服電機(jī)配定量泵系統(tǒng)??梢詭椭蛻粲行Эs短產(chǎn)品生產(chǎn)周期,提高產(chǎn)能。同時(shí)由于DFE泵*的負(fù)擺角功能,避免產(chǎn)生壓力過(guò)沖,可媲美伺服電機(jī)配定量泵系統(tǒng)的反轉(zhuǎn)功能。DFEn內(nèi)置電子控制器做閉環(huán)壓力流量控制保證了系統(tǒng)的高精度特性,保壓精度≤0.2%,流量重復(fù)精度≤0.2%。能夠大大減少產(chǎn)品飛邊等問(wèn)題,提高產(chǎn)品合格率,降低生產(chǎn)成本。DFEn系統(tǒng)合理分配泵擺角與電機(jī)轉(zhuǎn)速達(dá)到耗電zui低,待機(jī)時(shí),降低轉(zhuǎn)速,消除多余能耗。在平均負(fù)載情況下,使用DFEn系統(tǒng)比原電子泵系統(tǒng)節(jié)約55%的電能。另外,由于電機(jī)的變轉(zhuǎn)速驅(qū)動(dòng), DFEn系統(tǒng)將噪聲平均降低了10-15dB。

與一般伺服電機(jī)配定量泵系統(tǒng)相比, DFEn采購(gòu)費(fèi)用也相對(duì)較低,特別突出應(yīng)用于:
- 為滿足大型機(jī)器大流量控制,不得不配置多套伺服電機(jī)泵組而使成本增加較多;
- 因生產(chǎn)部分需長(zhǎng)時(shí)間保壓、熔膠制品時(shí),因伺服電機(jī)扭矩不夠而需加大伺服電機(jī)與驅(qū)動(dòng)規(guī)格,而增加機(jī)器成本時(shí)。

DFEn系統(tǒng)工作在高壓、大流量條件下無(wú)時(shí)間限制,適合于任何機(jī)型。

DFEn也是市場(chǎng)上原廣泛使用的恒速普通異步電機(jī)泵系統(tǒng)節(jié)能升級(jí)的福音。只要在原有系統(tǒng)增加一個(gè)變頻器,如為DFEE則再升級(jí)先導(dǎo)閥至帶數(shù)字控制的先導(dǎo)閥即可。升級(jí)成本低,而節(jié)能效果明顯。


關(guān)于博世力士樂(lè)

博世力士樂(lè)是領(lǐng)xian的傳動(dòng)與控制技術(shù)專家。憑借在傳動(dòng)、控制以及行走機(jī)械領(lǐng)域內(nèi)的豐富經(jīng)驗(yàn),博世力士樂(lè)為80多個(gè)國(guó)家, 50多萬(wàn)家客戶提供量身定制的解決方案,是世界工業(yè)、工廠自動(dòng)化及行走機(jī)械應(yīng)用市場(chǎng)上的*。2007年博世力士樂(lè)銷售額近54億歐元,擁有超過(guò)33,000多名專業(yè)員工。


博世力士樂(lè)中國(guó)
塑機(jī)應(yīng)用組
 

德國(guó)力士樂(lè)換向閥東莞銷售

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