6ES7331-7KF02-0AB0、6ES7331-7KF02-0AB0
6ES7331-7KF02-0AB0、6ES7331-7KF02-0AB0
【1】DCS控制系統(tǒng)
【2】機器人系統(tǒng)
【3】PLC系統(tǒng)
【4】伺服數(shù)控系統(tǒng)
【服務(wù)說明】現(xiàn)貨配送至全國各地含稅含運費
【產(chǎn)品質(zhì)量】** 有發(fā)票
【產(chǎn)品優(yōu)勢】專業(yè)銷售 薄利多銷 信譽好,價格低,貨期短,服務(wù)周到
廈門卡庫電氣*品牌:
《1》A-B羅克韋爾:1746、1747、1756、1771、1784、1785等系列
《2》FOXBORO??怂共_:TRICONEX ESD等系列
《3》WESTINGHOUSE(西屋):Ovation DCS系列,如1C31110G03,5X00105G03;
《4》SCHNEIDER施耐德:140PLC系列,如140CPU67160;
《5》GE FANUC發(fā)那科:IC693、IC697、IC698等系列;
《6》SIEMENS西門子:S5系列,如6ES5100-8MA02; 數(shù)控控制系統(tǒng):等系列。
《7》REXROTH INDRAMA力士樂:伺服驅(qū)動、伺服控制等,如DKC03.3-040-7-FW。
《8》ABB:機器人控制系統(tǒng)DSQC系列,如DSQC235A; BAILEY INFI90系列,如IMMFP01。
《9》HONEYWELL霍尼韋爾:TDC2000,TDC3000等系列停產(chǎn)DCS備件,如51400762-100。
備注~歐美進(jìn)口備件,各品牌停產(chǎn)老備件,我們價格甚優(yōu)!
所詢價格若有別家公司報更低價格,只要您提供公司名稱,我們可以給您進(jìn)一步的折扣…
單機數(shù)控系統(tǒng)逐漸被以微機為核心的群控系統(tǒng)(DNC)所替代,手工編程正向圖形化自動編程過渡,CAD/CAM技術(shù)開始被廣泛地運用到制造技術(shù)中。由于AutoCAD軟件的強大繪圖和編輯功能,以及開放的DXF數(shù)據(jù)接口,它已成為圖形輸入平臺和自動編程的重要組成部分。但是,當(dāng)前許多基于AutoCAD的自動編程系統(tǒng)按加工順序繪圖,未考慮*軌跡的自動補償,加工方向需人工設(shè)定。對于復(fù)雜零件,往往還需要手工確定繪圖參數(shù),有很多不便之處。本文采用ARX開發(fā)技術(shù)及VISUAL C++6.0,對AutoCAD進(jìn)行二次開發(fā),使圖形化輸入、編輯、自動尋跡、NC編程、主從通訊過程都在AtuoCAD平臺下完成,以線切割系統(tǒng)改造為目標(biāo)實現(xiàn)CAD/CAM的集成。 2系統(tǒng)結(jié)構(gòu) 系統(tǒng)采用主從式控制方式,其中主機采用中檔微機,從機采用單片機系統(tǒng)直接控制線切割機床。一臺主機通過RS—485接口控制多臺從機,充分利用微機的強大功能,進(jìn)行圖形輸入、輸出、建立切割工藝參數(shù)數(shù)據(jù)庫等工作。主機的自動編程模塊將圖形數(shù)據(jù)信息轉(zhuǎn)換成NC加工指令,并將加工指令傳給從機,從機依次執(zhí)行,完成加工過程。同時,從機根據(jù)主機要求反饋數(shù)據(jù),為實時控制、自動跟蹤及工藝參數(shù)數(shù)據(jù)庫的建立提供依據(jù)。主機軟件系統(tǒng)包括圖形輸入、工藝參數(shù)處理、自動編程、仿真、跟蹤和通訊等六大功能模塊(圖1)。
圖1主機軟件系統(tǒng)結(jié)構(gòu)
3自動編程技術(shù) 自動編程模塊主要解決自動尋跡、加工方向判別、*軌跡自動補償?shù)裙δ?,實現(xiàn)CAD/CAM的集成。其流程如圖2所示。
圖2自動編程軟件流程圖
3.1獲取圖形數(shù)據(jù)、生成基本加工閉環(huán) 通過AutoCAD繪圖輸入后生成的DXF文件,利用基于特征的信息建模方法,從中獲取加工實體特征信息。系統(tǒng)需要的是實體的幾何信息,因而只需讀取和處理DXF文件的實體段(ENTITIES Section),并存儲有關(guān)特征信息。根據(jù)這些信息,初步形成零件的輪廓及其構(gòu)成元素間的拓?fù)潢P(guān)系。CAD繪圖實體在DXF文件中是按其繪圖順序存放的,與加工順序無關(guān);而在加工閉環(huán)中刪除或添加某一實體時,由于DXF文件中的實體并不按加工閉環(huán)的順序存放,因此需按端點連接情況重新排序,形成加工閉環(huán)。這樣,就使繪圖和加工分離,利用AutoCAD進(jìn)行圖形輸入時,則不必關(guān)心實際加工順序,簡化了數(shù)據(jù)輸入過程。本系統(tǒng)采用雙鏈表數(shù)據(jù)結(jié)構(gòu)存儲實體信息,雙鏈表數(shù)據(jù)結(jié)構(gòu)見文獻(xiàn)。 3.2判別加工方向 本文采用矢量法判斷加工方向。下面以圖3所示的任一加工閉環(huán)為例,來說明加工方向的判別算法。 首先遍歷雙鏈表,找出離X坐標(biāo)軸或Y坐標(biāo)軸zui近的端點為加工起點, 即D=MIN(|x-x0|,|y-y0|)。令此點為B點,其在鏈表中前后兩端點分別為A點和C點??赏浦?,連接B點兩矢量AB、BC的連接情況將*確定原圖形的方向。
NEW WAUKESHA WVALVE12830 W62CT 4 IN STAINLESS DIVERT VALVE
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CATERPILLAR CAT 215-2449 ACCUMULATOR STEERING BLADDER REPAIR KIT
BRANSON 101-135-059R 101-149-097 109-116-1368
ITT PF10 150PSI 230F 1 IN PLATE HEAT EXCHANGER B450301
NEW CATERPILLAR CAT 235-4535 ENGINE COOLING WATER PUMP
NEW TEXAS INSTRUMENTS 530T-1112 CONTROLLER SER 500 D310094
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Fluke DTX-1800 Cable Analyzer DTX1800 DTX-1200 Version 2.7400
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New Sealed Allen Bradley 2711P-T15C4A2 /A PanelView Plus 1500
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