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畜牧行業用刀片表面噴焊處理

日期:2022-07-01 16:36 人氣:
       畜牧業所使用的刀片是鍘草機的主要零部件之一,為增加其耐磨性,受損或者是使用之前都可以采用金屬表面處理的方式增加表面使用強度,提高耐磨性能。
       天盟公司在對刀片刃口進行處理的時候,采用噴焊工藝,在表面制備金屬噴焊涂層,從而提高表面強度。噴焊工藝是對經過預熱的自熔性合金粉末涂層再加熱至1000-1300℃,是顆粒熔化,造渣上浮到涂層表面,生成硼化物或者硅化物彌散在涂層中,是的基體與顆粒之間達到良好的結合,獲得的涂層不僅致密,而且結合強度能達到400MPa,具有良好的抗沖擊、耐磨、耐腐蝕性能。
       由于噴焊過程中工件受熱溫度能達到900℃以上,因此會產生比較大的熱變形,所以,在進行噴焊的時候,要注意工件的材質是否適合噴焊,目前,適合噴焊的零件材料主要有:
       1、對抗沖擊性能、表面硬度要求高、耐磨性能要求高的易損件,如刨砂機葉片、挖掘機鏟斗齒等;
       2、形狀比較大的易損零部件,如軸類、柱塞、液壓缸、冶金功能輥等;
       3、另外,低碳鋼、中碳鋼、含錳、鉬等的結構鋼、鎳鉻不銹鋼、鑄鐵類工件,也可使用噴焊工藝進行表面修復。
畜牧行業用刀片表面噴焊處理

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