casting shrinkage 中文意思是什麼

casting shrinkage 解釋
澆鑄收縮
  • casting : n. 1. 投，擲。2. 【冶金】鑄造；鑄件。3. 【動物；動物學】脫棄，脫落物〈如毛、皮等〉。4. 計算。5. 想法，手法。6. （木材等的）翹曲。7. 【戲劇】配角。
  • shrinkage : n. 1. 皺縮；縮水；減縮；減少。 2. 【物理學】縮誤；縮減量；（肉類在運輸、加工過程中的）重量的損耗。 shrinkage in the market place 市場萎縮。
  1. If the surface is covered or watered after casting of concrete, the influence resulted from change of environmental temperature and relative humidity on concrete will decrease to some extent. then the shrinkage stress will also decrease and the probability of cracking will be reduced as well

    混凝土澆注完后對表面進行覆蓋或澆水養護，可以很大程度上地減少外界溫濕度變化對混凝土內部的影響，減小了混凝土的收縮應力，從而降低混凝土開裂的可能性。
  2. Solidification process simulation and shrinkage cavity prediction of cylinder head casting

    氣缸蓋鑄件凝固過程數值模擬及縮松縮孔預測
  3. 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 。
  4. On the basic of the detailed analysis on main causes and main prediction methods of casting shrinkage / porosity, we put forward two methods to describe the solid phase rate of materials solidification. one is liner - distributing method, and the other is parabola - distributing method. and then, we apply the former to the system

    本文在充分分析鑄件縮孔縮松產生機理與主要預測方法的基礎上，提出了材料凝固固相率的線性分佈法和拋物線分佈法，並將前者應用於系統中；同時提出了溫度梯度法和新山判據法的實現演算法，此演算法具有一定的靈活性。
  5. Xt - yb - 1 is a development of the new company and quartz sand mixed casting artificial marble ( genus said : quartz resin ) resin, the resin curing exothermic peak at the low shrinkage of small, high surface hardness of products, not radioactive

    1是我公司新開發的一種和石英沙混合澆鑄人造大理石（屬稱：石英樹脂）樹脂，該樹脂固化時放熱峰低、收縮率小，製品表面硬度較高，沒有放射性。
  6. Metal poured into a mold cavity during the casting process solidifies with the possibility of shrinkage, segregation or porosity, which can prevent an " as - poured " casting from being acceptable for severe applications

    在鑄造過程中，澆鑄到模腔內的金屬在凝固過程中可能會產生收縮、分離或氣孔，這些問題使得「澆鑄」鑄件無法被苛刻環境應用領域所接受。
  7. Test method for properties of investment casting pattern materials - part 1 : determination of linear shrinkage

    熔模鑄造模料性能試驗方法第1部分:線收縮率的測定
  8. Abstract : based on equivalent liquid surface descending method ( elsdm ) and isolated melting zone method, a multi - hot - spot and simultaneous shrinkage - feeding method was established to predict the shrinkage cavities of steel casting during solidification simulation. the shrinkage in each hot spot can be simulated and fed dynamically and simultaneously by itself using this method. then two practical steel castings were analyzed by this method

    文摘:本文在等效液面收縮法和孤立域法基礎上建立了預測鑄鋼件縮孔的新方法? ?多熱節和即縮即補方法，該法實現了對模擬鑄件各熱節的內部動態瞬時補縮，並採用該方法對兩個實際鑄鋼件進行了縮孔分析。
  9. It is concluded that we can take measures to reduce shrinkage of concrete during casting of beam in wharf construction

    在現澆碼頭上橫梁時可採取措施，減小混凝土收縮。
  10. The main task of the thesis is that prediction & analysis system of shrinkage / porosity defect in a casting, which is oriented to foundry engineering application, was preliminary developed based on ansys. the three - tier developing hierarchy structure was adopted in this system by operation visualization, parametric design, and function modularization

    本論文以有限元分析軟體ansys為二次開發平臺，採用三層開發體系層次結構，運用操作圖形化、設計參數化、功能模塊化技術，初步開發了面向鑄造工程應用的鑄件縮孔縮松缺陷預測及缺陷分析系統。
  11. Test method for properties of investment casting ceramic core - part 2 : determination of sintered shrinkage

    熔模鑄造陶瓷型芯性能試驗方法第2部分:燒成收縮率的測定
  12. Based on the analysis for the reason causing choke, shrinkage and blow hole defects at two 216 bosses of the main plate of the offset machine, the method to eliminate the casting defects by carrying out qc activities was described

    對01膠印機左右大墻板的兩個216圓臺易出現嗆火、縮孔和氣孔缺陷的原因進行了分析，介紹了開展qc活動消除01膠印機左右大墻板鑄造缺陷的方法。
  13. Abstract : through analysis of typical technology for some lost wax casting examples, it is expounded that improvement of casting design with more reasonable technology offers an effective and simple way to obtain highly qualitative and compact castings without porosity and shrinkage defect

    文摘:通過對幾個典型生產實例的工藝分析，說明用修改精鑄件結構設計的方法，使鑄件結構更具合理的工藝性，是獲取優質精鑄件的一條行之有效和便捷的途徑。
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