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金屬耐磨管工藝技術有哪些

发布时间：2021-04-20 07:50:26 点击次数：3570

　　宏潤電力生产的双金属耐磨管采用先进的消失模真空吸铸复合工艺或自动离心浇铸复合工艺制备，外层为普通钢管(20#)、内层为高耐磨合金(KMTBCr28)，在高温热铸状态下整体复合而成，耐磨性与韧性有机结合，性能优势互补，具有优良的抗冲刷磨损性能以及承压抗冲击能力，整体使用性能大幅提高。可制作成各种规格的弯头、直管、三通以及其它异型管道，适用于各种磨损严重的干态、湿态物料输送，可广泛应用于电力、矿山、冶金、煤炭、建材等工矿企业。

金屬耐磨管工藝技術有哪些

　　(1)消失模真空吸鑄複合工藝

　　采用聚苯乙烯塑料泡沫制作成內襯模型並裝入雙金屬耐磨管內，經塗料、烘幹、造型，在抽真空狀態下高溫澆注高合金耐磨材料;塑料泡沫受高溫作用分解氣化消失並被合金液原位取代，冷卻凝固後形成外層爲耐磨鋼管、內層爲高耐磨合金的雙金屬耐磨管。

　　(2)自動離心澆鑄複合工藝

　　將雙金屬耐磨管固定于特制的管模內，在高速旋轉狀態下，利用扇形包和長流槽等流量澆注原理，通過控制澆注速度和澆注溫度，將高耐磨合金液澆入雙金屬耐磨管內，使其在離心力作用下，均勻分布到雙金屬耐磨管內壁，最後冷卻凝固形成一體。

　　(3)雙金屬耐磨管的主要工藝參數

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