Surface treatment technology for making iron fence


We all know that after the iron products are finished, a layer of paint will be sprayed on the surface, which can protect the iron products from being oxidized by air. At present, the commonly used paint types for iron products are as follows: 、 Alkyd resin paints: Alkyd resin The paint has good weather resistance, bright paint color, strong hiding power, mechanical strength, elasticity and adhesion, and the price is cheap.
Pre-treatment:
1) Acceptance of raw and auxiliary materials (flat steel, square steel, welding rod, paint );
2) The raw materials are checked and accepted in accordance with the enterprise's acceptance documents;
3) The packaging materials are checked and accepted according to the inspection documents of the enterprise;
4) Ingredients;
5) Proofing: Samples will be drawn by computer design drawings in proportion;
2. Processing:
1) Blanking: The blanking is carried out by professionals according to the drawing size;
2) Production: use imported equipment to produce various patterns
3) Welding: welding by professional welding personnel according to drawings;
4) Grinding: Welded products are polished and polished by professional grinding personnel, and the machine spurs are dispersed;
5) Surface treatment: remove oil, rust, etc. on the surface of the product;
6) Anti-rust treatment: use hot-dip galvanizing to keep the product rust-free for a long time;
7) Paint: Use paint to make the product show brilliance.
There are mainly the following:
1. For iron doors , the internal flower parts are welded by wire rods of different specifications (thin flat bars, thin square tubes). The diameter and strength of the wire rod directly affect the iron flower parts. Should choose high-quality finished iron doors produced by regular manufacturers; followed by the manual process of welding and forging of iron doors for several years. The door is a good connection for every welding or preparation point. Formal enterprises often use forged steel to make the inner parts and frames of iron doors. Such iron fences are much stronger than ordinary steel pipe fences.
Pigments, pattern, adsorbing aluminum profile compared to similar products, with better and more persistent bottomed; color formation area, since the product of its unique technology (typically up to greater material GB The specified 6-meter profiles, such as aluminum, steel, and plastic profiles, can be compounded on the surface, and can also be compounded on small products of various sizes, curved surfaces, and various shaped materials with uneven surfaces.
To grasp the overall paint process of the wrought iron door, generally speaking, the overall wrought iron should pay attention to the uniformity of the paint, and the paint is also crucial.

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