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聯(lián)系人：王經(jīng)理
電話(huà)：0531-88670722
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地址：濟南市天橋區梓東大道鑫茂科技城143號樓102室
低壓灌注應用于快速成型行業(yè)的特點(diǎn)
來(lái)源：http://www.submersiblepump.net.cn作者：山東嘉瑞杰機械科技有限公司發(fā)布時(shí)間：2022-05-26
低壓灌注是一種快速成型廠(chǎng)家的原型制造工藝，將聚氨酯材料混合，在常溫低壓下注入快速模具，并通過(guò)材料聚合、交聯(lián)、固化等化學(xué)物理過(guò)程形成產(chǎn)品。低壓灌注適用于產(chǎn)品開(kāi)發(fā)過(guò)程中的小批量生產(chǎn)，也適用于生產(chǎn)結構較簡(jiǎn)單的蓋板和大型厚壁和不平整產(chǎn)品。
Low pressure pouring is a prototype manufacturing process of rapid prototyping manufacturers. Polyurethane materials are mixed and injected into rapid molds at room temperature and low pressure, and products are formed through chemical and physical processes such as material polymerization, crosslinking and curing. Low pressure pouring is suitable for small batch production in the process of product development, as well as production of cover plate with simple structure and large thick wall and uneven products.
該工藝生產(chǎn)的零件可以大到汽車(chē)保險杠和醫療手推車(chē)尺寸的產(chǎn)品，適用數量在15-2000套之間是合適的。在汽車(chē)RIM低壓注塑領(lǐng)域，如保險杠、擋泥板、方向盤(pán)、儀表板、進(jìn)氣格柵、門(mén)板、前端模組、氣囊蓋板等汽車(chē)內外飾件，思駿達原型廠(chǎng)積累了豐富的經(jīng)驗。大量的生產(chǎn)經(jīng)驗和經(jīng)驗技術(shù)方法。
The parts produced by this process can be as large as the size of automobile bumper and medical trolley, and the applicable quantity is between 15-2000 sets. Sijunda prototype factory has accumulated rich experience in the field of automobile rim low-pressure injection molding, such as bumper, fender, steering wheel, instrument panel, air inlet grille, door panel, front-end module, airbag cover plate and other automobile interior and exterior trim parts. A lot of production experience and technical methods.
山東快速成型廠(chǎng)家提醒您低壓灌注成型具有以下特點(diǎn)：
Shandong rapid prototyping manufacturer reminds you that low-pressure pouring molding has the following characteristics:
低壓灌注成型工藝不僅受動(dòng)力學(xué)和熱力學(xué)決定，還受物理條件的影響；材料凝固時(shí)間長(cháng)，材料凝固和冷卻占用大部分時(shí)間；成型材料具有熱固性；加工在低壓下進(jìn)行，因此只適用于產(chǎn)品結構較簡(jiǎn)單的快速成型。
Low pressure pouring molding process is not only determined by kinetics and thermodynamics, but also affected by physical conditions; The solidification time of the material is long, and the solidification and cooling of the material occupy most of the time; The molding material is thermosetting; The processing is carried out under low pressure, so it is only suitable for rapid prototyping with simple product structure.
單體或預聚物以液態(tài)通過(guò)計量泵按一定比例進(jìn)入混合頭進(jìn)行混合?；旌衔镒⑷肽＞吆?，在模具內迅速反應，交聯(lián)固化。
The monomer or prepolymer enters the mixing head in liquid state through the metering pump in a certain proportion for mixing. After the mixture is injected into the mold, it reacts rapidly in the mold, crosslinks and solidifies.
低壓灌注成型使用的材料主要是聚氨酯材料。通過(guò)改變材料的混合比，可以獲得不同的材料彈性模量，從而獲得所需的材料性能。固化后的材料具有類(lèi)似于A(yíng)BS、PP或PS的物理性能。該工藝適用于生產(chǎn)壁厚較大、壁厚不均勻的原型產(chǎn)品。
The materials used in low-pressure pouring molding are mainly polyurethane materials. By changing the mixing ratio of materials, different elastic modulus of materials can be obtained, so as to obtain the required material properties. The cured material has physical properties similar to ABS, PP or PS. The process is suitable for producing prototype products with large and uneven wall thickness.
低壓灌注成型可以生產(chǎn)出堅固、靈活、輕便的零件，并且易于進(jìn)行表面處理。與典型的真空鑄造材料相比，它的材料制作時(shí)間比較短。注入模具中的混合物的粘度比熔融的熱塑性聚合物低得多，因此可以使用RIM技術(shù)加工大尺寸、輕量和薄壁的物品。這種輕薄的產(chǎn)品需要較小的夾緊力，因此需要的設備較小，投資成本低。
Low pressure injection molding can produce strong, flexible and lightweight parts, and it is easy to carry out surface treatment. Compared with typical vacuum casting materials, its material manufacturing time is relatively short. The viscosity of the mixture injected into the mold is much lower than that of molten thermoplastic polymer, so rim technology can be used to process large-size, light-weight and thin-walled articles. This light and thin product requires less clamping force, so it requires less equipment and low investment cost.
低壓灌注應用于快速成型行業(yè)的特點(diǎn)內容便是如此了，如果您對其有需求的話(huà)就來(lái)關(guān)注我們的網(wǎng)站www.submersiblepump.net.cn咨詢(xún)吧！
This is the characteristic content of low-pressure perfusion applied in rapid prototyping industry. If you need it, please pay attention to our website www.submersiblepump.net.cn Com consultation!
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