摘要:探讨了LYl2硬铝烟机配件的化学镀镍工艺,在常规前处理工艺中增加了酸洗、浸锌工序,给出了生产过程中易出现的问题及解决办法。试验表明,该工艺可在硬铝浸锌基材上直接施镀,所得镀层光滑、明亮、厚薄均匀,耐磨性、耐蚀性得到很大提高。 关键词:硬铝;烟机配件;化学镀镍;酸洗;浸锌 中图分类号:TQl53.43 文献标志码:A 文章编号:1004—227X(200g)02—0020—02 Process of electroless nickel plating on hard aluminum LYl2 tobacco machine parts//WANG Chong—yang,YANG Feng—xia木.WANG Ai—rong Abstract:A process of electroless nickel plming on hard aluminum LY l 2 tobacco machine parts was developed,in which acid pickling and zinc dipping processes were added to the conventional pretreatment process.The easily emerged problems during production process and their solutions were presented.The test results showed that the plming can be carried out directly on the hard aluminum after zinc dipping.The deposit is smooth and bright with uniform thickness and improved weal and corrosion resistance. Keywords:hard aluminum;tobacco machine part;electroless nickel plating;acid pickling;zinc dipping First-author’S address:Xinxiang Taihang Power Source C0.,Ltd.,Xinxiang 453003,China
1 前言
铝合金材料硬度低、耐磨性差,因此使用前必须经过相应的表面处理以减少腐蚀,延长使用寿命。目前,铝合金表面处理工艺主要有:表面粗化或粗化后浸锌再电镀,阳极氧化处理和直接镀锌后再电镀其他金属。其中,浸锌处理需要的时间短、设备少,对工艺控制的要求不太严格,因此其适用范围比其他方法更广[1]。
LYl2硬铝烟机配件是卷烟厂的卷烟配件之一,呈圆筒形,长600~700 mm,圆筒外径200~350 mm,质量2~5kg。其圆筒内外及沟槽镀层要求厚薄均匀、光滑,耐磨性、耐蚀性好。本文针对LYl2硬铝烟机配件的特点及客户要求,探讨了化学镀镍工艺的可行性。
LYl2硬铝烟机配件化学镀镍工艺:实验(一) LYl2硬铝烟机配件化学镀镍工艺:实验(二) LYl2硬铝烟机配件化学镀镍工艺:过程控制(一) LYl2硬铝烟机配件化学镀镍工艺:过程控制(二) LYl2硬铝烟机配件化学镀镍工艺:注意事项 LYl2硬铝烟机配件化学镀镍工艺:结论 |