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Three magic weapons for surface treatment of fasteners
In order to meet the requirements of customers, the fasteners must be surface treated. The surface treatment of the fasteners refers to the process of forming a covering layer on the surface of the fasteners by certain methods, which can not only improve the fasteners Its own anti-corrosion ability also makes the appearance of fasteners more beautified. Regarding the surface treatment method of fasteners, the Chinese standard parts improve the following three magic weapons.
Magic weapon 1. Electroplating of fasteners
Electroplating of fasteners refers to immersing the parts of the fasteners that need to be electroplated into a specific aqueous solution. The aqueous solution will contain some deposited metal compounds, so that after the current passes through the aqueous solution, the metal substances in the solution will precipitate And attached to the immersed part of the fastener. Electroplating of fasteners generally includes zinc, copper, nickel, chromium, copper-nickel alloys, etc.
Magic 2: Hot-dip galvanizing of fasteners (Guide: Five common cleaning agents for fasteners)
Hot-dip galvanizing of fasteners is to immerse the blow-molded abrasive fasteners of carbon steel into a molten zinc plating tank with a heat of about 510℃, so that the iron-zinc alloy on the surface of the fasteners will be It is converted into passivation zinc to obtain the surface treatment effect. The price of hot-dip galvanizing of fasteners is higher than that of electroplating, about 1.5 to 2 yuan per kilogram.
Magic 3, mechanical plating of fasteners
The mechanical plating of fasteners refers to the use of specific physical and chemical means to impact the surface of the fastener with the powder of the plated metal, so that the plated metal forms a coating on the surface of the fastener through the form of cold welding , Achieve the surface treatment effect. The mechanical plating of fasteners is mainly applicable to spare parts such as screws, nuts and washers.
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