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徑 求 求 初取中心矩 a=900mm 帶長 = =基準長度 中心矩 == 小輪包角 == 合格帶速 =帶根數(shù) 取z=1根 壓延結(jié)構(gòu)帶傳動已知=,i=,h=(4~8)小時工作情況系數(shù) 計算功率 選帶型號 A型小帶輪直徑 大帶輪直徑 求 求 初取中心矩 a=800mm 帶長 = =基準長度 中心矩 == 小輪包角 == 合格帶速 =帶根數(shù) 取z=1根第六章 箱體設計從總體來看,箱體結(jié)構(gòu)應緊湊,外觀美觀,便于搬運。從其作用來看,它支撐測量儀所有零件及所有傳動系統(tǒng),即其支撐作用。制造時,因本儀器單件小批量生產(chǎn),且箱體結(jié)構(gòu)復雜,故不應采用鑄造生產(chǎn)。故此,本設計采用簡單的鋼架焊接組合,本箱體主要部分都是通過鋼材焊接而成的,再組合幾塊防塵面板,頂面,地面和側(cè)面板,其中防塵面板,頂面,側(cè)面板,都是通過螺釘連接的,這便構(gòu)成了本設計的箱體結(jié)構(gòu)。另外在箱體底部需要安裝四個行走輪(其中兩個是固定的,只能向前或是退后,還有兩個是可以向四周轉(zhuǎn)動的),以便于搬運,底部四個地腳螺釘在一起工作主要是起支撐作用,以防止行走輪彈性震動引起檢測失真。箱體工作過程中,受載極小,其局部微小變形不足以影響測試結(jié)果。經(jīng)試驗驗證,本箱體能滿足工作要求,不必校核。結(jié)束語 四個月的畢業(yè)設計就快結(jié)束了,在指導老師的精心指導下,我完成了雙電機電纜料顆粒雜質(zhì)儀機械系統(tǒng)的計算機輔助設計。在設計中出現(xiàn)了很多難題,有些則是運用所學的知識無法解決的,但在老師的指導下,我最終解決了這些難題。我查閱了一些相關(guān)書籍的知識,研究了一些相關(guān)設備的基本結(jié)構(gòu)和工作原理,并以這些作為基礎,利用所學的知識拓展新的思維,對原有的部件進行了重新的改裝和組合,最終解決了原設備無法克服的技術(shù)問題。通過此次設計,收獲是很多的,也暴露出自己知識儲備不足的問題,起到了警示作用,這對我以后的工作有著十分重要的意義。畢業(yè)設計是與實際相結(jié)合的題目,應該怎樣處理在設計及生產(chǎn)過程中,突顯出的理論設計與實際生產(chǎn)設計間相矛盾的問題及如何解決這些問題是我在此次設計中獲得的最大收獲。 外文翻譯Picture 18: Quick loading chute with ram for feeding the sample quickly into the measuring head .Pressure ram with handle for loading the mixer and closing the mixing bowl. Cover with valve ports utilized as a cover for the bowl and for trials with inert gases.Picture 19: Measuring head with pneumatic loading chute for feeding powdery samples uniformly into the mixer under pressure.Picture 20: Thermocouple for measuring the stock temperature in mixer measuring heads.Picture 21: Single or multipen continuous line potentiometer recorder bined with digital stock temperature display instrument for recording torque, speed, stock temperature, when using a mixer measuring head. Recording width: 250 mm, 1 to 6 pen, each recording over the full scale.Picture 22: Automatic precision metering pump for titrating liquids into mixers variable dosing quantity ml/h up to ml/h continuously working driver via electric lifting magnet electrical, digital counter of stroke number, mechanical reset voltage:110 or 220 Volt,50/60 cps. Picture 23: Oil circulation thermostat type t 300 j with electrical heating and adjustable thermo regulator for the temperature control of the mixer measuring heads in the range of 50 to 250 Oil capacity: Circulation rate: Picture 25: DATA PROCESSING PLASTECORDER PLD 331/651 with Measuring Extrude and Slit Capillary Die Head.Computer Printout: Measuring the Apparent Viscosity with Rheumatic Slit Capillary Die HeadMeasuring extruders and Extrusiograph1. The various measuring extruders and EXTRUSIOGRAPH models of the BRABENDER modular system are interchangeable on the basic unitshowever。 the necessary torque has to be considered.2. The measuring ex