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- Describes some results of using rectorite for molding sand and mold coating. 介紹了用累托石粘土作型砂粘結劑和水基涂料懸浮劑的試驗結果。
- And the effects of bentonite percentage and compactibility on elastic modulus of molding sand were experimentally st... 試驗研究了膨潤土含量和緊實(shí)率對型砂彈性模量值的影響。
- The resista nce decreases intensely when the slenderness ratio of the hot molding sand layer increases. 阻力隨干砂層長(cháng)細比的增加而急劇減小。
- It for consolidating molding sand, such as resin bonded sand, as well as tamping sand, such as clay sand or self hardening sand. 本機主要用于樹(shù)脂砂造型時(shí)型砂的振實(shí),也可用于粘土砂造型或自硬砂造型實(shí)砂型的振。
- Such a testing method is of practical sense in realization of molding sand testing and foundry production management and casting quality control. 該測試方法的應用對實(shí)現型砂性能檢測、鑄造生產(chǎn)管理和鑄件質(zhì)量控制具有現實(shí)意義。
- This machine is used for mixing and puddling powdery materials,such as fly ash，refrectory cement, molding sand, slag, gangue and building garbage,etc. 本機適合混合攪拌粉狀物料。如：粉煤灰、耐火泥、型砂、爐渣、尾礦、建筑垃圾等。
- A frame for holding a sand mold in a foundry. 砂箱鑄造車(chē)間內保持砂模用的框架
- The coal dust is the main mold sand additive to prevent penetration/burn-in and improve the surface fineness. 煤粉是防止粘砂和改善表面光潔度的主要型砂加入物。
- The complete sets of equipment for preparing Clay-bonded Sand Selfuardening Sand and Sodium Silicate-bonded Sand and hot sand reclamation of Precoated Sand and rosin molding Sand. 鑄造粘土砂、樹(shù)脂砂、水玻璃砂處理成套設備及熱法覆膜砂和樹(shù)脂砂熱法再生成套設備。
- The forsterite ore deposit in Yichang of Hubei Province, being one of the limited large ore deposits across the Mainland China, is used to produce molding sand. 宜昌鎂橄欖石礦,是我國為數不多的大型礦床之一,用其礦石生產(chǎn)的鎂橄纜石型砂。
- The practical molding sand analyses method were introduced.As regards the effective clay, carbonization matter, fused matter, quartz and matel constituent and moisture. 介紹了對有效粘土、碳素物、溶凝質(zhì)、金屬分、石英及水分的型砂組分分析方法,并推薦了型砂純凈度的計算方法。
- The results show that, when burying the box, the mould is standed and the molding sand is joined in batches in EPC casting, it can avoid effectively the deformation of the mould. 結果表明，在消失模鑄造中，埋箱時(shí)將模樣立放且分批加入干型砂，能有效地避免平板襯模樣在埋箱過(guò)程中變形；
- For thermally reclaimed molding sand due to its low angularity and improved shape, more, larger area and stronger bonding-bridges are easily formed among sand grains. 熱再生砂的角形系數降低,粒形得到了改善,砂粒之間更易形成較多、較大的粘結橋;
- Further,thixotropy and stress-relaxalion were observed during deformation of bentonite filmand the degree of their effect on the compaction of molding sand were estimated. 同時(shí)觀(guān)察到，在其變形過(guò)程中有應力松弛及觸變現象。文中討論了它們在型砂緊實(shí)過(guò)程中可能起作用的程度。
- The effective cost dust content of molding sand should be determined according to time factors such as the quality of the coal dust, casting size and thickness, pouring temperature, lacing sand or unit sand, and so on. 決定型砂中的有效煤粉含量應根據煤粉質(zhì)量的優(yōu)劣、鑄件大小和厚薄，澆注溫度、面砂或單一砂等因素。
- Out of demand on developing market for high-quality mullite molding sand products, the tests on calcination of Huaibei coal-series hard kaolinite rock are done based on the process mineralogy study. 我國煤系硬質(zhì)高嶺巖資源豐富,出于開(kāi)發(fā)高檔精密鑄造用莫來(lái)石型砂產(chǎn)品市場(chǎng)的需要,在工藝礦物學(xué)研究的基礎上進(jìn)行了淮北煤系硬質(zhì)高嶺巖煅燒試驗研究。
- Based on the rheology and molding sand micro deformation, elastic modulus of molding sand was measured and investigated with the intelligent molding sand multi property tester developed by ourselves. 基于流變學(xué)和型砂微變形理論,用所研制的智能化型砂多項性能測試儀對型砂的彈性模量進(jìn)行了測量研究。
- When the slenderness ratio is less than 1/2 or the hot compression stress is not bigger than the wet compression strength of the molding sand, the rat tail should never come into being. 當千砂層長(cháng)細比小于1／2或熱壓應力不大于水分飽和凝聚區的濕壓強度時(shí)，絕不可能產(chǎn)生鼠尾。
- The bevel of that picture frame was damaged. 那個(gè)鏡框的斜角已被損壞了。
- Her slight frame was shaken by bouts of coughing. 她纖弱的身軀因陣陣咳嗽而發(fā)顫。
