Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀性;快速成型技術迅速提供
砂型鑄造、
熔模鑄造、實型鑄造用的各種模樣,包括樹脂模、層壓模、
熔模和消失模等,還可採用直接制殼鑄造法直接製造
熔模鑄造用的壓型、金屬型、壓鑄型、注塑模,甚至直接製造小批量鑄件,介紹了
熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術,快速成型技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造模具的一般工藝方法,探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題,以及快速成型技術與精密鑄造技術相結合的模具製造工藝,基於快速成型製造的快速模具技術,集成了快速成型製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
Rapid repairing mass for converter ismade of electro baked magnesite and high - quality synthetic sandand manufactured by adding high fluidity recarburizer ( beveloped by ourselves ) as addition agent withspecial technique. lt has the characteristics of well fluidity, well rapid fluidityand rpid sintering etc. it is applied to hot patching of large area before or after the converter as rapping hole patching and other parts for converter
轉爐快速補爐料是以電
熔鎂
砂和優質合成
砂為主要原料,配以自行研製的高流動性的增碳劑為添加劑,以特殊工藝生產製成,具有流動性好、快速燒結等特點,適合於轉爐的前後大面的熱修補及出鋼口等部位的修補
The product is manufactured by taking high purity fused magnesia as raw material and adding a special binder, sintering agent and coagutant through a special production process
該產品是以優質高純電
熔鎂
砂為主要原料,外加特殊結合劑、燒結劑、促凝劑,經過特殊的生產工藝加工而成。
Bauxite sand and flour for investment casting
熔模鑄造用鋁礬土
砂粉
Silica sand and flour for investment casting
熔模鑄造用硅
砂粉
Fused magnesia - chrome materials
電
熔鎂
砂
The quality is a burnt magnesia spinel brick made from fused magnesia , low iron sintered magnesia and fused hercynite. this synthetic hercynite is a patent by rhi refractories
它由電
熔鎂
砂、低鐵燒結鎂
砂和電
熔鐵鋁尖晶石製成的燒結鎂鐵尖晶石磚,這種人工合成的鐵鋁尖晶石是rhi奧鎂公司的專利。
The material of electro - fused magnesia sinter is selected from special grade a natural magnesite or high - purity caustic calcined magnesite, which is fused in arc furnace to finish the products. the products possess high purity, crystal with and compact texture, have high heat - vibration steady and cinder corrosion resistant, it is used for making high quality magnesite bricks, magnesia - carbon bricks
電
熔鎂
砂是用精選的特a級天然菱鎂石,在電弧爐中
熔融制得,該產品具有純度高,結晶緻密,抗渣性強熱震穩定性好,是製作高檔鎂磚,鎂碳磚及不定形耐火材料的重要原料。
Preparation of steel substrates before application of paints and related products - specifications for non - metallic blast - cleaning abrasives - specification for fused aluminium oxide
塗料和相關製品使用前鋼襯底的制備.非金屬噴
砂清理磨料的規范.
熔融氧化鋁規范
They have excellent corrosion, thermal shock resistance and spalling resistance. they wide applications and can be used in key locations of thermal processing equipment such as bof, eaf, lf and so on. 2 alumina - magnesia - carbon brick made from high - purity bauxite or fused alumina and fused magnesia grain or high purity magnesia by pressing, resin - bond for thermal shock resistance
1 ,鎂碳磚是不燒的耐火材料,經過摩擦壓磚機的成型以及乾燥處理后而成,它的主要原料是電
熔鎂,高純鎂
砂和高純石墨,結合劑為樹脂,鎂碳磚有良好的耐侵蝕性,熱震穩定性和抗剝落性,它已經被廣泛地用在鋼廠的轉爐電爐鋼包精煉鋼包等關鍵部位。
Fused magnesite chrome sinter
電
熔鎂鉻
砂
Additions of carbon for improved slag resistance. spinel formation improves hot strength, slag resistance and brick joint erosion. 3 repairing material for bof uses fused magnesia or sintered magnesia as the main raw material and after modifid pitch and special additives are added, it has the following characteristcs than other conventional converter pitch temperature, shorter sintering time, longer service life and less pollution. it is mainly used for repairing converter working face, also for tapping side, tapping hole and bottom
3 ,轉爐大面補料是採用電
熔鎂
砂或燒結鎂
砂為主要原料,通過加入改性瀝青和特種添加劑使它和傳統瀝青補爐料相比具有高溫附著性好燒結時間短流動性好使用壽命長污染小等特點,主要用於修補轉爐迎鋼面通常稱「大面」也可以用於修補出鋼側,出鋼口及爐底等部位。
Layers of carbonate limestones, silty mudstones, quartz sand and solidified lava show that within the past 600 million years, this area was a warm, shallow sea, then a muddy swamp, then a vast desert of shimmering hot dunes, then a glacial ice sheet, then a shallow sea once again
層層的碳酸石灰巖、粉砂質泥巖、石英砂和凝固的熔巖,顯示在過去六億年間,這個區域曾經是溫暖的淺海,接著依序變成泥濘的沼澤、擁有炙熱沙丘的廣闊沙漠,然後是冰川,后來又再度成為淺海。