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如何焊接铁艺护栏?

文章出处:www.jindaheqigan.com   作者:金大和门业    人气: 发表时间:2017-06-17 14:57

  济南护栏厂家介绍如何焊接铁艺护栏:

  Ji'nan guardrail manufacturers, how to weld iron guardrail:

  一、 堆焊:堆焊是用焊接方法在铁艺护栏的表面堆敷一层金属的工艺过程。它是机械制造行业中一个重要而经济的制造和修复手段。其目的是为了使零件表面获得具有耐磨、耐热、耐蚀等特殊性能的熔敷金属,或是为了恢复或增加零件的尺寸。护栏堆焊用的合金可归纳为铁基、镍基、钴基、铜基和碳化钨等几种类型。

  First, surfacing: surfacing is welding process in the iron railings on the surface of a layer of metal deposition process. It is an important and economical means of manufacturing and repairing in the machinery manufacturing industry. The purpose is to obtain the deposited metal with special properties such as abrasion resistance, heat resistance and corrosion resistance on the surface of the parts, or to restore or increase the size of the parts. The alloy used for surfacing welding of guardrail can be classified into iron base, nickel base, cobalt base, copper base and tungsten carbide.

  1、 铁基堆焊合金韧性与抗磨性配合好,能满足许多不同的要求,铸铁架,而且价格较低,遮阳棚,品种也较多,所以应用最广。

  1, iron base hardfacing alloy toughness and abrasion resistance match well, can meet many different requirements, cast iron frame, and the price is low, awning, variety is also more, so the most widely used.

  2、 镍基、钴基堆焊材料主要用于要求耐高温磨损和腐蚀的场合。

  2. Nickel based and cobalt based hardfacing materials are mainly used for occasions requiring high temperature wear and corrosion.

  3、 碳化钨基堆焊材料价格较高,主要用于耐严重磨料磨损的工件。

  3, tungsten carbide surfacing material prices higher, mainly for the serious abrasive wear resistance of the workpiece.

  二、 喷焊:喷焊是利用热源将金属或非金属材料加热到熔化或半熔化状态,用(喷枪中的)高速气流将其吹成微小颗粒(雾化),并喷射到铁艺护栏的表面,形成牢固的覆盖层的表面加工方法。这种方法可以使护栏表面获得各种不同硬度、耐磨、耐蚀、抗氧化、润滑以及其他特殊物理化学性能。许多材料(金属、陶瓷、塑料、水泥、石膏、木材等)表面都可喷涂。为了提高喷涂层与基体材料的结合强度,降低涂层孔隙率,可用热源将喷涂层加热到熔化,使喷涂层的熔融合金与基体材料金属互溶、扩散,形成类似钎焊的冶金结合,这种工艺即称喷焊,这样所得到的涂层称为喷焊层。这就是铁艺护栏焊接的第二个方法—喷焊。

  Two, spray: spray welding is applied by metal or non metal material is heated to a molten or semi molten state, with (in gun) high speed airflow blows into the particles (spray) and sprayed onto the surface, wrought iron guardrail, forming a surface processing method of covering layer of solid. This method enables the guardrail surface to obtain a variety of different hardness, wear resistance, corrosion resistance, oxidation resistance, lubrication, and other special physical and chemical properties. Many materials (metals, ceramics, plastics, cement, plaster, wood, etc) can be sprayed on the surface. In order to improve the bonding strength of coating layer and base material, reduce the porosity of the coating and heat source will spray coating can be heated to melt the molten alloy substrate and the metal spraying layer, miscible diffusion by metallurgical bonding. This process is called spray welding, the coating called spray welding layer. This is the iron railings welding second methods - spray welding.

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