2090-CPBM7DF-04AA30現(xiàn)貨
四是制造業(yè)、消費(fèi)品相關(guān)制造業(yè)增長(zhǎng)動(dòng)能釋放,在供給側(cè)結(jié)構(gòu)性改革不斷發(fā)力的帶動(dòng)下,汽車(chē)制造業(yè)、專(zhuān)用設(shè)備制造業(yè)、電氣機(jī)械器材制造業(yè)、制造業(yè)、食品及酒飲料精制茶制造業(yè)、紡織服裝服飾業(yè)等行業(yè)PMI均位于53.0%以上的景氣區(qū)間,明顯高于制造業(yè)總體水平。 海通宏觀姜超認(rèn)為,10月制造業(yè)PMI出現(xiàn)下滑,其中前期迭創(chuàng)新高的購(gòu)進(jìn)價(jià)格也再度回落。從中觀高頻行業(yè)數(shù)據(jù)看,終端需求仍較低迷,工業(yè)生產(chǎn)明顯走弱,均指向4季度經(jīng)濟(jì)開(kāi)局偏弱;同時(shí),隨著地產(chǎn)銷(xiāo)售轉(zhuǎn)負(fù)、庫(kù)存周期已至尾聲、幣出口,短期經(jīng)濟(jì)仍趨下行,而總需求的回落也意味著通脹預(yù)期難以回升。 早在醞釀和建設(shè)之初,這個(gè)技術(shù)中心就備受關(guān)注,它到底有何實(shí)力?封面新聞?dòng)浾攥F(xiàn)場(chǎng)了解到,這個(gè)創(chuàng)新技術(shù)中心將以成都為基礎(chǔ),專(zhuān)注于西部乃至范圍內(nèi)工業(yè)4.0專(zhuān)業(yè)人才,博世力士樂(lè)在工業(yè)4.0領(lǐng)域的技術(shù)及成功則是實(shí)力保障。 據(jù)悉,博世力士樂(lè)及博世集團(tuán)在智能制造領(lǐng)域的技術(shù)專(zhuān)長(zhǎng)及項(xiàng)目,都將作為授課的教本,為學(xué)員提供涵蓋、生產(chǎn)、供應(yīng)鏈、工業(yè)4.0主題方案等4大類(lèi)20多小類(lèi)的智能制造專(zhuān)業(yè)培訓(xùn)。
3 存在問(wèn)題原因
原F40型定位器性能差,壽命短,內(nèi)部橡膠密封圈老化,控制輸出線性較差,氣室內(nèi)部普遍存在漏氣、串氣現(xiàn)象,且控制輸出氣孔較小,極易堵塞,造成控制輸出氣源不穩(wěn)定,執(zhí)行機(jī)構(gòu)動(dòng)作不靈活,經(jīng)常造成風(fēng)門(mén)擋板失控,使被調(diào)工況超出允許范圍,影響機(jī)組的安全運(yùn)行。
4 定位器更換技術(shù)
拆除原來(lái)的F40定位器,加工ABB定位器與現(xiàn)氣缸連接轉(zhuǎn)換接頭,ABB定位器與轉(zhuǎn)換接頭裝配,ABB定位器安裝到氣缸上,重新進(jìn)行管路配接、接線,ABB定位器送電,機(jī)務(wù)定位風(fēng)門(mén)擋板開(kāi)度位置,單體調(diào)試,系統(tǒng)聯(lián)調(diào),終調(diào)試達(dá)到工作要求。
1)定位器配件齊全,安裝固定牢固,無(wú)松動(dòng)現(xiàn)象,定位器和氣缸連接無(wú)空行程。2)定位器接線要準(zhǔn)確,氣源管路連接正確,定位器控制氣源管路各接口要纏繞生料帶。3)擋板或閥門(mén)的全開(kāi)和全關(guān)定位要和機(jī)務(wù)、運(yùn)行人員一塊進(jìn)行,確保定位準(zhǔn)確。4)檢查電氣轉(zhuǎn)換器各功能菜單顯示正常。檢查電氣轉(zhuǎn)換器各參數(shù)設(shè)置準(zhǔn)確。切換至組態(tài)模式,修改組態(tài)參數(shù)。5)儀用氣源閥門(mén)打開(kāi),調(diào)整減壓閥壓力,使氣源壓力符合要求,對(duì)失氣后保位手柄進(jìn)行復(fù)位。6)ABB定位器進(jìn)行自動(dòng)整定。滿(mǎn)足擋板全開(kāi)全關(guān)旋轉(zhuǎn)角度的條件。滿(mǎn)足4~20MA輸入信號(hào)和擋板開(kāi)關(guān)方向的對(duì)應(yīng)關(guān)系在定位器更換前后一致,零點(diǎn)、量程和閥門(mén)實(shí)際開(kāi)度一致。7)通過(guò)就地操作面板或手掄操作執(zhí)行機(jī)構(gòu),檢查執(zhí)行機(jī)構(gòu)和擋板或閥門(mén)動(dòng)作情況,執(zhí)行器動(dòng)作靈活無(wú)卡澀。8)通過(guò)CRT遠(yuǎn)方操作執(zhí)行機(jī)構(gòu),核實(shí)開(kāi)關(guān)方向、閥位反饋和擋板或閥門(mén)動(dòng)作情況應(yīng)一致。9)系統(tǒng)靜態(tài)閉環(huán)試驗(yàn),保證控制軟件的正確性。
??????????????????????????????????????????????????表1
序號(hào) 產(chǎn)生費(fèi)用科目(設(shè)備、材料、人工等) 單位 單價(jià)(萬(wàn)元) 數(shù)量
1 管纜¢8 米 100? 0.005
2 ABB定位器TZID-C 臺(tái) 24 1.7
3 轉(zhuǎn)換接頭TZID-C配套 個(gè) 24 0.07
5 TZID-C型I/P電氣轉(zhuǎn)換器
TZID-C型定位器核心是微控制處理器CPU,所有程序的處理運(yùn)算皆在此。輸入信號(hào)及位置反饋經(jīng)過(guò)4000步12位,20ms采樣的A/D轉(zhuǎn)換器進(jìn)行處理,從而保證了信號(hào)處理的精度及快速性,CPU的供電直接取自輸入信號(hào),操作程序包括用于自動(dòng)調(diào)整參數(shù)的自整定過(guò)程,及自適應(yīng)控制程序,用于精確定位的優(yōu)化控制操作,通過(guò)帶三位三通放大器的電氣轉(zhuǎn)換器驅(qū)動(dòng)氣動(dòng)執(zhí)行機(jī)構(gòu),從CPU發(fā)出的定位電信號(hào)比例地轉(zhuǎn)換成氣信號(hào),成比例地調(diào)節(jié)3/3氣動(dòng)開(kāi)關(guān),氣體從定位器輸出至氣動(dòng)執(zhí)行器及氣體的排放均成比例地調(diào)節(jié),當(dāng)?shù)竭_(dá)設(shè)定定位值時(shí),3/3氣動(dòng)開(kāi)關(guān)鎖定在中間狀態(tài);TZID-C定位器配有的操作面板,包括兩排LCD顯示器和4個(gè)按鍵,如圖5。
TZID-C型I/P電氣轉(zhuǎn)換器功能鍵介紹
ENTER 確認(rèn)鍵 各鍵相互配合,可實(shí)現(xiàn)不同功能(詳見(jiàn)調(diào)試步驟)
MODE 菜單確認(rèn)鍵
參數(shù)改變鍵
參數(shù)改變鍵
??????????????????????圖5 TZID-C型I/P電氣轉(zhuǎn)換器功能鍵
操作鍵盤(pán)的優(yōu)化設(shè)計(jì)適用于就地組態(tài),調(diào)校及監(jiān)測(cè)。同時(shí).組態(tài)、操作及監(jiān)測(cè)功能可以通過(guò)HART通訊協(xié)議與PC機(jī)連接,并由TZID-C內(nèi)置通訊端口來(lái)完成:還可以通過(guò)FSK-Modem在4~20mA信號(hào)線的任意點(diǎn)接入進(jìn)行通訊。采用模塊化的設(shè)計(jì),任何附加功能
可以在基本模件的基礎(chǔ)上隨意擴(kuò)展。只要插入相應(yīng)的模件,既可實(shí)現(xiàn)模擬及數(shù)字反饋功能。也可以選裝限位開(kāi)關(guān)(微動(dòng)開(kāi)關(guān))及機(jī)械指示。
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