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                保定宏晟隆精密鑄造有限公司
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                當前位置:利用石膏※模的脫蠟鑄造法介紹
                [來源:www.hslcasting.com.cn] [作者:精密鑄造] [日期:17-02-10]
                利用石两个人顿时飞了出去膏模的脫蠟鑄造法 Using the method of lost wax casting gypsum mould 牙科用、戒指、首飾、裝飾@品和小型工藝品均應用這種方法作成,石膏作為粘結劑是用,主體為白矽石等耐々火材料。 Dental, rings, jewelry, ornaments and small arts and crafts are applying this method to finish, gypsum used as binder, the main body of white silica refractory, etc. 將金屬制作之催眠与脑波攻击成品原模型,放在兩片♀橡膠之間,放於熱壓□機上加熱加壓,使橡膠產︻生永久變形,而形他知道想要避开这些匕首成模型物之空模穴。將∮兩片橡膠對合、鎖緊,使註入口緊靠於註蠟機之註出口,以0.2~0.5 kg/cm2 之力力將熔蠟註滿橡膠模。 The metal to produce the finished product of the original model, placed between two pieces of rubber, and the pressure on the hot pressing machine heating, make the rubber to produce permanent deformation, to form a model of empty cavity. The two pieces of rubber involution, lock, make note of injection closemouthed on in wax injection machine exports, with the power of 0.2 ~ 0.5 kg/cm2 force will melt wax filled with rubber mold. 冷凝之後打開橡他苦口婆心膠模, 取出蠟型, 使用低功率之只不过他们服务烙鐵局部熔化蠟型, 將之焊接』於充當流道之蠟幹上,進行組樹作業,將組樹放是谁啊入不銹鋼環內,倒入石膏漿,然後振動和真空脫∮泡。石膏模硬化後在室溫放置铁球凭空消失了12小時以上,使用電爐(120~150℃)或壓力鈉蒸汽脫蠟,脫蠟後的鑄模緩那只手緩升溫到650~800℃燒成,將滲附於石膏表面的蠟質接过房卡完全燒除。殘余蠟質燃燒时候不完全時,成為碳殘留會在鑄件表面形成缺陷。在燒成没有说出漫骂溫度保持一段時間,使鑄模內外溫度均勻,在爐內徐是难得徐冷邿到適於澆註的溫度,然後∏取出石膏假名模放入真空鑄造機或離心鑄造機內進行澆作势要上前稳住註。首飾如戒↙指、胸針等形狀整天拈花惹草十分復雜,具有細微凹凸紋路之成品均以離心鑄造法制成。 Condensation after open the rubber mold, remove the wax type, using low power of the soldering iron partial melting wax type, welding for a port of wax dry, group tree operations, the group tree into the stainless steel ring, pour into the gypsum slurry, then the vibration and vacuum deaeration. Of plaster mould hardening at room temperature after 12 hours, using electric furnace (120 ~ 120 ℃) or sodium pressure steam dewaxing, slowly lost wax mold after burn into heating to 650 ~ 800 ℃, which is attached on the surface of the gypsum wax burn completely. Residual wax, incomplete combustion can become carbon residue formed in the casting surface defects. In the sintering temperature to maintain a period of time, make the mold inside and outside temperature uniformity, in cold 邿 to fit for pouring furnace temperature, and then remove the plaster mould in a vacuum casting machine or within the centrifugal casting machine casting. Jewelry such as rings, brooches shape is complex, slightly concave and convex texture of the finished product in centrifugal casting. 鑄造機附設有高周波加熱裝置以熔化坩不会堝內之貴金屬,再藉離心力(400~1000rpm)使熔这些触角就像是五根细绳一般融金屬註滿石膏模,冷凝後錘打不銹鋼環,取出石膏模,再以水槍大哥沖散石膏,取出鑄Ψ件處理之。如佛像花瓶或其它較大件之工藝品則使用真空鑄造機制成。 Casting machine for high frequency heating equipment to melt in the crucible of precious metals, (400 ~ 1000 RPM) again by centrifugal force, the molten metal filling of plaster mould cooling after hammering stainless steel ring, remove the plaster mould, again with water gun, gypsum, flushes out of casting processing. Such as Buddha vase or other larger handicraft, use vacuum casting system.
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