6ES7390-1AF30-0AA0
6ES7390-1AF30-0AA0
6ES7390-1AF30-0AA0
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〖廈門光沃自動化設(shè)備有限公司 竭誠為您服務(wù)〗
〖聯(lián)系人：歐先生 〗
〖手機(jī)：18030229053(微信同號) 〗
〖QQ: 2479261344 〗
〖傳真：0592-5709825
【價格】如此低價,僅此一家
【貨期】大量現(xiàn)貨,下單后即可發(fā)貨
【質(zhì)量】全新原裝,進(jìn)口***
【保障】產(chǎn)品經(jīng)過專業(yè)檢測，質(zhì)保一年,15天包退換
【品牌】Allen-Bradley羅克韋爾、ABB、本特利Bently 3500系統(tǒng)卡件、GE、艾默生西屋等模塊卡件
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工頻運(yùn)行中由于技術(shù)水平的限制,只能采用控制閥門或擋板開度的方法來改變流量、壓力等,即用人為增減阻力的辦法來實(shí)現(xiàn)調(diào)節(jié)，當(dāng)工作面需要注小流量時,大量能量損失在閥門上；而通常情況下，由于乳化泵的選型是按照最不利條件下、最大時流量及相應(yīng)壓力設(shè)計(jì)的,而在實(shí)際運(yùn)動中,由于工作面條件的變化,乳化泵多為低負(fù)荷工作,以前靠泵出口閥門開度的大小來調(diào)節(jié)乳化液流量與壓力,其能量耗損很大，而且對機(jī)械（如乳化泵、閥門）沖擊較大，增加機(jī)械的損耗。主要總結(jié)為以下5點(diǎn)：
電動機(jī)采用真空電磁起動器直接啟動方式，啟動產(chǎn)生的振動和磨擦對泵體和閥門部件的損害極大。
直接啟動方式，啟動電流為電動機(jī)額定電流4～7倍，對電網(wǎng)造成較大的沖擊。
當(dāng)工作面不需要高壓液體時，電動機(jī)仍然以額定轉(zhuǎn)速運(yùn)轉(zhuǎn)，泵站長期高負(fù)荷運(yùn)行浪費(fèi)了大量的電能。
電動機(jī)和泵體一直處于全速運(yùn)行狀態(tài)加快了機(jī)械磨損，卸載閥頻繁開啟和關(guān)斷直接造成壽命較短，增加維修頻次和成本的投入。
乳化液泵站不能根據(jù)液壓系統(tǒng)的實(shí)際需求量自動調(diào)整泵站的供液量，系統(tǒng)長期處于高壓大流量工作狀態(tài)，在工作面設(shè)備不需要高壓液體時，多余的液體只能通過卸載閥回流到乳化液箱，系統(tǒng)運(yùn)轉(zhuǎn)磨擦產(chǎn)生的熱量使泵體溫度升高系統(tǒng)內(nèi)密封件老化較快造成串液和漏液。
Motoman JANCD-XCP02B XRC Sensor Board
Motoman JZNC-NIF01-1 PC BOARD I/O INTERFACE NX100
Motoman 130966-1 UWI BOARD
Motoman 132685-1 MARIO REMOTE I/O ADAPTOR
Motoman HW9371069-A Limit Switch Assy.
Motoman JANCD-CP11 CP11 CPU BOARD
Motoman JANCD-EW02 PC BOARD
Motoman JANCD-IO03E I/O BOARD ASSEMBLY ERC
Motoman JANCD-MBB10 Back Board For CPU Rack
Motoman JANCD-MCP01-1 System Control Board
Motoman JANCD-MCP02B MRC Motion Control Board
Motoman JANCD-MCP02B-1 Motion Control Board
Motoman JANCD-MCP10 System Control Board
Motoman JANCD-MEW01-1 PC Board
Motoman JANCD-MEW01-2 PC Board
Motoman JANCD-MEW02-1 MRC PC Board
Motoman JANCD-MEW02-2 CARD MRC
Motoman JANCD-MIF01 BOARD
Motoman JANCD-MIO04 MRC System Board
Motoman JANCD-MM14D MM14 MEMEORY BOARD W/MM15 EXPANSION BOARD
Motoman JANCD-MMM02-1 System Control Board
Motoman JANCD-MMM02-2E Memory Board For System Control
Motoman JANCD-MRY01-1 MRC Motion Control Board
Motoman JANCD-MRY01B-1 MRC Motion Control Board
Motoman JANCD-MRY01B-2 CARD MRC
Motoman JANCD-MRY01B-3 CARD MRC
Motoman JANCD-MSET01 Battery Board
Motoman JANCD-MSP01 MRC PC Board
Motoman JANCD-MSP02 MRC Operator Board
Motoman JANCD-MSV01B PC BOARD
Motoman JANCD-MSV02 PC BOARD
Motoman JANCD-NCP01 Board, PC, CPU
Motoman JANCD-NIF01-1 Board, PC, I/F
Motoman JANCD-NIO01-1 Board, PC, I/O, NPN
Motoman JANCD-SP17B DISPLAY CONTROL BOARD
Motoman JANCD-XCP01 XRC CPU
Motoman JANCD-XCP01C-1 BOARD XRC
Motoman JANCD-XIF04-1 Board, PC, Serial Interface
Motoman JANCD-XSP01 Board, PC, XRC
Motoman JARCR-XCI01 Board, PC, Specific I/O
Motoman JARCR-XCI03 Board, PC, General I/O
Motoman JARCR-XCU01B Board, PC, Power On
Motoman JARCR-XFB01B BOARD XRC
Motoman JARCR-XFB04 BOARD XRC
Motoman JASP-WRCA01B Board, PC, Servo Control, CKT
Motoman JUSP-ACP15GA Convertor, Unit
Motoman JZNC-MZU04 Analog Output Board W/CABLES
Motoman JZNC-NRK01 Rack, CPU
Motoman JZRCR-NTU01-2 Contactor Assy., 15A
Motoman JZRCR-NTU01B-2 Contactor Assy., 15A
Motoman LA5W-7Y2-TK1623-2 Switch, Pushbutton, (SW BOARD)
Motoman LY2 DC24 Relay
Motoman SGDR-AXA01A Board, PC, Servo Control
Motoman SGDR-COA040A01B Converter
