鑄造溫度 的英文怎麼說
中文拼音 [zhùzàowēndù]
鑄造溫度
英文
casting temperature- 鑄 : Ⅰ動詞(鑄造) cast; coin; make Ⅱ名詞1. (古國名) zhu, a state in the zhou dynasty2. (姓氏) a surname
- 造 : Ⅰ動詞1 (做; 製作) make; build; create; produce 2 (假編) cook up; fabricate; concoct 3 [書面語...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 鑄造 : [冶金學] cast-on outwell; foundry; cast; casting; found; founding
- 溫度 : [物理學] temperature
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Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures
鑄件內部的其它一些缺點是,凝固過程中,在不均勻收縮造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下,出現的清晰裂縫和熱撕裂。This dust catcher fits for purifying air in the foundry workshop, especially place with high content of powder, high temperature and high demand on purification, such as sand shakeout clean and sand treatment
該除塵器運用於鑄造車間氣體的凈化,尤其是粉塵含量高氣體溫度高及凈化要求高的場合,如落砂清理砂處理工布等。Cold shots develop from low casting temperature, and dirt spots result from pickup of sand or slag by molten metal
較低的鑄造溫度會形成冷疤,熔化金屬出現的沙粒或爐渣的累積會導致污點。The results show that the heat preservation coating and its proper thickness are favorable to the enhancement of filling mold speed of aluminium alloy ; the higher the pouring temperature is and the larger the ratio of hollow areas of vertical pouring is, the faster the speed of filling mold of aluminium alloy is ; if the mold is too thick or too thin, it may decrease the speed of filling mold ; the proper length and the area of vertical pouring are favorable to the enhancement of the speed of filling mold ; although negatire - pressure may improve filling the speed, too high negatire - pressure may enlarge the flaw in casting
結果表明:保溫塗料及一定的塗層厚度有利於提高鋁液的充型速度;澆注溫度越高、直澆道空心面積率越大,鋁液充型速度越快;模樣厚度太厚或太薄,均會使鋁液充型速度降低;一定的直澆道長度及直澆道面積有利於提高鋁液的充型速度;施加負壓會使鋁液的充型速度大大提高,但負壓過大會增大鑄造缺陷。The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar
研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響,結果表明,選用變質高碳無鈷高速鋼作外層,用球鐵作內層,選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度,結合採用表面感應熱處理工藝,可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環,用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。In metal matrix composites, thermal residual stresses will arise due to get ( coefficient of thermal expansion ) mismatch between matrix and fiber during cooling
在擠壓鑄造的金屬基復合材料中,由於基體和纖維的熱膨脹系數相差很大,所以在制備過程中由高溫(工藝溫度)冷卻至室溫時復合材料中會有熱殘余應力產生。Automatic temperature coutrol can precisely control the crystalization temperature to ensure grain structure, mechanically controlled casting die speed is used to ensure the density of material
自動溫控系統對結晶溫度實施準確控制以確保晶粒結構(金相)符合要求。機械控制恆定的鑄造結晶速度以保證材質的緻密性。According to simulation results we decide the location of parting face and cooling system 、 the shape and location of runner and gating system etc. after that we take the az91d magnesium alloy shell of motorcycle engine as an example to proceed fine factors ( plunger injection speed 、 pouring
然後以az91d鎂合金摩托車發動機外殼為例,進行五因素(壓射速度、澆注溫度、鍛造時間、壓射比壓、鍛造壓力)四水平l16 ( 45 )正交實驗,在普通壓鑄過程中關閉鍛造功能。The key to prediction of casting shrinkage / porosity lies in ascertaining the critical value of temperature gradient and niyama criterion. the thesis put forward two methods to ascertain the value, one is which is positive - direction and the other is negative - direction. we verify the realistic arithmetic of temperature gradient method and niyama criterion method by experiment, and we can draw a conclusion that the arithmetic is correct and reasonable in most cases and choice of developing tool is sound
臨界梯度值和新山判據臨界值的確定是實現縮孔縮松預測的關鍵,本文提出了確定臨界值的正向法和反向法,並以高鉻鑄鐵件縮孔縮松預測和鑄造工藝改進為研究對象,應用正向法,確定了溫度梯度法的臨界值為180 m 。However, the foundry plant of tsinghua university lacks old sand with high temperature and can not carry out test of cooling control
但因清華大學鑄造廠缺乏溫度較高的舊砂,以致無法進行降溫控制效果的試驗。Integrally cast body ribs, running parallel and perpendicular to the pipe axis, impart additional strength for high pressure conditions, thermal and pipe loads
整體鑄造閥體翼肋,與管路軸線平行和垂直,增加了閥體強度,適用於高壓環境、高溫和管道負載。Frequent temperature fluctuations expose the valve to excessive stresses which cause surface cracks in the body bores of cast steel valves
頻繁的溫度波動使閥門承受著過度的壓力,這種壓力容易造成鑄鋼閥門閥體孔內部表面裂縫。Three factors, such as pull - up type, the materials and structure of crystallizing mould, and the temperature field in crystallizing mould, influencing on continuous up - casting for aluminum were analyzed, which laid the foundation of the application to continuous up - casting technology for aluminum bar
分析研究了引拔拉坯制式、結晶模材料及結構、結晶模內溫度場三因素對鋁上引連鑄的影響規律,結果表明上引連續鑄造過程中施加適當頻率的反推和反推量有利於桿坯連鑄的持續,結晶模自身的性能及模內溫度場的狀態對金屬鋁桿上引連鑄工藝的實現有直接影響。Moreover the effects of the temperature of molten copper and the content of al powder in the mixed - powder on microstructure and properties ( hardness, conductivity ) of the material were studied. the results indicated that : 1
本文採用反應鑄造法制備了cu - al _ 2o _ 3復合材料,並分析討論了熔液溫度和混合粉末中al含量對制備cu - al _ 2o _ 3復合材料的性能(硬度、電導率)和組織的影響。For foundry sand from a famous domestic area, the curve of thermal expansivity with the temperature was described
本文最後給出了利用本裝置測得的國內某著名鑄造用原砂的熱膨脹溫度曲線。Numerical simulation of the flow - thermal field in the process of penetration casting
滲流鑄造過程中流場溫度場的數值模擬Standard specification for castings, investment, carbon and low alloy steel for general application, and cobalt alloy for high strength at elevated temperatures
一般用途熔模鑄造碳鋼和低合金鋼及高溫用高強度鈷合金鋼鑄件標準規范The white sandstone can endure more than 3000 degrees high temperatures, they are the good fireproof materials which the smelting, casting use
白砂巖,能耐3000多度以上的高溫是冶煉、鑄造用的耐火好材料。Test method for high temperature strength of investment casting shell
熔模鑄造型殼高溫抗彎強度試驗方法The compangy si mainly engaged in designing, developing and manufactring gas distribution equipment nitrogen making machine and m & e products for food machinery, designing, manufacturing and selling valve in addition, there are machinery processing equipment and precise machinery such as die - casting, plastic injeting, electric forming, sheetmetal, welding, machinery processing etc
本公司主要從事配氣臺、制氮機、溫度與壓力傳感器、食品機械類機電產品、設備的設計開發與製造;閥門設計、製造與銷售;有各類機械加工設備,從事包括壓鑄、注塑、電鑄、鈑金、焊接、機械加工等各類精密機械產品製造分享友人