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1·The invention discloses an alloy coating bushing which comprises a steel backing layer, a substrate layer, a nickel grid layer and a friction-reducing layer which are sequentially arranged.

本发明公开了一种合金镀层轴瓦，包括依次设置的钢背层、基底层、镍栅层和减摩层。

2·The laser beam melts a portion of the steel core and the segment backing metal, forming a weld.

激光光束熔体部分钢铁核心和后盾金属部分，形成焊缝。

3·The factors which influence the ball mill operating economically is more. First, the wear consumption of steel sphere and backing sheet is serious.

影响球磨机经济运行的因素较多，首先是钢球和衬板由于选材和匹配不当，磨损严重、消耗量大。

4·At present, the serial disc chippers adopt wear-resisting backing board plate coated with chromium. The flying knife, bottom knife and flying knife bolt adopt the special steel and are made specially.

目前我公司系列盘式削片机刀盘采用耐磨垫板镀铬，飞刀、底刀、飞刀螺栓采用特种钢材特殊制作而成。

5·Non-pollution, The pump body is made of polyvinyl chloride (pvc)plastics, and the onter cover is of cold-rolled steel plate with backing finish.

无污染，本机箱体为聚氯乙稀塑料，外壳采用不锈钢和冷板静电喷塑壳两种。

6·This backing is uesd for CO2 one-side welding of bulb steel.

本衬垫适用于各种球扁钢对接接头CO2气保护单面焊用。

7·This backing(internal) is specially designed for CO2 one-side welding of angle steel butt joints. Different backing sizes are supplied.

本衬垫适用于角钢对接内接头CO2单面焊使用，有各种规格供选用。

8·The surface finish for the castings we can provide with are sa the following ; backing. zinc plating. chrome plating and nickel plating for the carbon steel and the low alloy steel castings ;

我公司有能力对铸件表面作如下精整处理，对于碳钢和低合金钢，可以作发黑、镀锌，镀铬，镀镍处理，对于不锈钢，可作研磨，手工拉丝抛光及镜面抛光，电抛光，纯化处理，所有钢种可作喷砂（玻璃砂， 钢玉砂，石英砂）处理。