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Why are the stainless steel badges mentioned by most customers not stainless steel? Because there are many processes that cannot be achieved by using stainless steel to make badges, stainless steel generally only makes some etching or printing processes, and both processes are basically flat, or the etching is only slightly concave and convex, so that the effect that the customer wants cannot be achieved, and it will inevitably be completed by stamping or die casting, but both processes cannot be made of stainless steel. Sand mold casting: low cost, small batch, can process complex shapes, but may require a large number of post-processing procedures. Investment casting/lost wax casting: this processing method has high continuity and degree, and metal products can also be used to process complex shapes. On the premise of relatively low processing cost, it can achieve perfect surface effect and is suitable for mass production.
Many industries entering the 1980s s, especially the automobile industry, are more dependent on powder metallurgy technology than ever before, using as many high-performance parts of powder metallurgy as possible is a powerful means to improve the competitiveness of automobiles, especially cars, in the market. High density P/M products are the key factors to ensure their excellent mechanical properties. Therefore, in order to expand the application range of powder metallurgy P/M Parts, it is necessary to increase its density to obtain powder metallurgy parts with excellent mechanical properties. Generally, the whole surface is used as a sign.
Guangdong up metal copybook manufacturers are of good quality and low price. The identification signs of office buildings are symbols of modern Identification Guidance systems as static identification of the environment, it is an important indication of connecting people in daily life. Due to the multi-element alloy, the carbide Dispersion strengthening after solid solution strengthening and tempering is better, with high toughness, high impact fatigue resistance. Used for pneumatic tools, punching tools and large and medium-sized punching dies. The disadvantages are low compression resistance, poor thermal stability and difficult control of quenching deformation. For CrWzSi steel, when Shearing (Such as 5CrW2Si) High temperature heating quenching should be used as far as possible to change the shape of martensite and greatly improve its strength and toughness, which the author has achieved good results in practical work.
such signs are characterized by waterproof, low price and mass production. They can be directly pasted with neutral glass glue and paint surface. The disadvantage is that the appearance is not as delicate as metal signs. Aluminum Alloy sign aluminum alloy sign is a popular material in 1990s, aluminum. Compared with traditional materials, it does not rust, has light volume and low cost. The big signs we usually see outside, the signs are all made of aluminum alloy, such as the signs on the road, and some cards are also made of aluminum alloy.
high wear-resistant micro-deformation cold deformation die steel is represented by Cr12Mov type, which is a high-performance cold deformation die steel widely used abroad. Cr12Mov is an improved Cr12 steel. The carbon content is too high, resulting in serious uneven large bulk carbides. Cr12Mov steel is characterized by high wear resistance and hardenability. It is a micro-deformation cold blanking die. The main material of cold heading die is still widely used in general factories. The modified material has high hardness and high wear resistance, high hardenability, especially small deformation after heat treatment, good filing performance during pliers processing, is still widely used in blanking forming dies, drawing dies and other dies.
W18Cr4V (1220 ℃-Heating and quenching at 1250 ℃), W6Mo5Cr4V2 (Use 1170 ℃-1190 ° C) The mould treated by low temperature heating and quenching has high plastic deformation resistance, high hardness and wear resistance; There is enough blade property. Practice has proved that the punch quenched at low temperature can significantly prolong the service life and greatly reduce the fracture accident of the punch. Ductile cold deformation die steel some cold extrusion dies and cold heading Dies need to bear high strength and high impact toughness, while ordinary high speed steel and high carbon chromium rigid parts are easy to brittle break or break, and the dies need to have high strength and toughness, it can be divided into two categories: Carbon High speed steel: W series or Mo series high speed steel with carbon content reduced to 0. 5-0. 6%, increase the toughness of the treated steel. P p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p. The polished nickel coating can obtain a mirror-like luster appearance while maintaining its luster in the atmosphere for a long time. Therefore, the plating layer is often used for decoration. The hardness of nickel coating is relatively high, which can improve the wear resistance of product surface. Nickel plating layer is commonly used in printing industry to improve the hardness of lead surface.
Guangdong up metal copybook manufacturers are of good quality and low price. Take the film and stick it with stainless steel. When attaching, be careful not to stick it backwards. The side of the film is facing down, placed on glass; Turn on the lamp tube, vacuumizing time is 25±5 seconds, and exposure time is 28±3 seconds; The exposure is completed and transported to the development workshop via the transmission output port. Development: The operator dips the exposed stainless steel plate into the developing liquid and puts 4 ~ 6 tablets.