<*n style="font-size:14.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">  陶瓷管

1. <*n style="font-size:14.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">陶瓷环（30<*n style="font-family:宋体">元<*n style="font-family:Calibri">-60<*n style="font-family:宋体">元每公斤）
2. <*n style="font-size:14.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">陶瓷管（依据图纸核定价格）
3. <*n style="font-size:14.0000pt"><*n style="font-family:宋体">50mm<*n style="font-family:宋体">以下管径的陶瓷环<*n style="font-family:Calibri">18<*n style="font-family:宋体">元<*n style="font-family:Calibri">/<*n style="font-family:宋体">个

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:14.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">陶瓷管生产工艺过程说明

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">目前<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">分为高纯型与普通型两种。高纯型氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">系Al2O3<*n style="font-family:宋体">含量在<*n style="font-family:Calibri">99<*n style="font-family:宋体">．<*n style="font-family:Calibri">9%<*n style="font-family:宋体">以上的陶瓷材料，由于其烧结温度高达<*n style="font-family:Calibri">1650—1990<*n style="font-size:10.5000pt"><*n style="font-family:宋体">℃<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">，透射波长为1<*n style="font-family:宋体">～<*n style="font-family:Calibri">6μm<*n style="font-family:宋体">，一般制成熔融玻璃以取代铂坩埚；利用其透光性及可耐碱金属腐蚀性用作钠灯管；在电子工业中可用作集成电路基板与高频绝缘材料。普通型氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">系按Al2O3<*n style="font-family:宋体">含量不同分为<*n style="font-family:Calibri">99<*n style="font-family:宋体">瓷、<*n style="font-family:Calibri">95<*n style="font-family:宋体">瓷、<*n style="font-family:Calibri">9<*n style="font-size:10.5000pt"><*n style="font-family:宋体">2<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">瓷、85<*n style="font-family:宋体">瓷等品种，有时<*n style="font-family:Calibri">Al2O3<*n style="font-family:宋体">含量在<*n style="font-family:Calibri">80%<*n style="font-family:宋体">或<*n style="font-family:Calibri">75%<*n style="font-family:宋体">者也划为普通氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">系列。其中99<*n style="font-family:宋体">氧化铝瓷材料用于制作高温坩埚、耐火炉管及特殊*材料，如陶瓷轴承、陶瓷密封件及水阀片等；<*n style="font-family:Calibri">95<*n style="font-family:宋体">氧化铝瓷主要用作耐腐蚀、*部件；<*n style="font-family:Calibri">85<*n style="font-family:宋体">瓷中由于常掺入部分滑石<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">，提高了电性能与机械强度，可与钼、铌、钽等金属封接，有的用作电真空装置器件。<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">我公司根据市场要求开发了92<*n style="font-family:宋体">瓷、<*n style="font-family:Calibri">95<*n style="font-family:宋体">瓷、<*n style="font-family:Calibri">99<*n style="font-family:宋体">瓷陶瓷管系列产品，<*n style="font-family:Calibri">92<*n style="font-family:宋体">瓷管用于*部件使用，<*n style="font-family:Calibri">95<*n style="font-family:宋体">瓷作为耐热*耐腐蚀瓷管用于工业设备上，<*n style="font-family:Calibri">99<*n style="font-family:宋体">瓷用于行业特殊要求的设备部件上。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">以下为氧化铝陶瓷管的制作工艺方法：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">首先粉体制备<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">：<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">将入厂的氧化铝<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">按照不同的产品要求与不同成型工艺制备成粉体材料<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">。粉体粒度在1μm<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">以下<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">。采用挤压成型或注射成型，<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">将<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">粉料中引入粘结剂与可塑剂<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">；我公司同时也<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">采用全自动干压成型，采用喷雾造粒法对粉体进行处理、使其呈现圆球状，<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">可<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">提高粉体流动性便于成型中自动充填模壁。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">其次为陶瓷管成型<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">：我公司<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">成型方法有干压、注浆、挤压、冷等静压、注射成型等多种方法。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">1<*n style="font-family:宋体">、干压成型：氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">干压成型技术于<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管壁<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">壁厚超过1mm<*n style="font-family:宋体">，长度与直径之比不大于<*n style="font-family:Calibri">4<*n style="font-size:10.5000pt"><*n style="font-family:宋体">∶<*n style="font-size:10.5000pt"><*n style="font-family:Calibri">1<*n style="font-family:宋体">的物件。成型方法有单轴向或双向。压机<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">采用<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">液压式、机械式两种<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">，<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">压机压力为200Mpa<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">，<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">产量每分钟可达15<*n style="font-family:宋体">～<*n style="font-family:Calibri">50<*n style="font-family:宋体">件。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">2<*n style="font-family:宋体">、注浆成型法：注浆成型是氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管早<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">使用<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">的<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">成型方法。由于采用石膏模、成本低且易于成型大尺寸、外形复杂的部件。通常以水为熔剂介质，再加入解胶剂与粘结剂，充分研磨之后排气，然后倒注入石膏模内。由于石膏模毛细管对水分的吸附，浆料遂固化在模内。空心注浆时，在模壁吸附浆料达要求厚度时，还需将多余浆料倒出。为减少坯体收缩量、应尽量使用高浓度浆料。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">再是为陶瓷管的烧成<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">：<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">将颗粒状陶瓷坯体致密化并形成固体材料的技术方法叫烧结。烧结即将坯体内颗粒间空洞排除，将少量气体及杂质有机物排除，使颗粒之间相互生长结合，形成新的物质的方法。<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">我公司<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">烧成使用的加热装置<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">是<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">电炉。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">然后为<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">精加工工序<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">：<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">在完成烧结后，尚需进行精加工。可用作人工骨的制品要求表面有很高的光洁度、如镜面一样，以增加润滑性。由于氧化铝陶瓷<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">管<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">材料硬度较高，需用更硬的研磨抛光砖材料对其作精加工。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">氧化铝陶瓷管的技术参数