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Brief introduction of heat treatment process
Simply put, the difference between annealing and tempering is that annealing means that hardness is not required, and tempering still retains a certain degree of hardness.
2021-11-08
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Commonly used polishing methods for injection molds
At present, the commonly used polishing methods are as follows: 1. Mechanical polishing Mechanical polishing is a polishing method that uses cutting, plastic deformation of the material surface to remove the polished convex parts to obtain a smooth surface. Generally, oilstone sticks, wool wheels, sandpaper, etc. are used. Manual operation is the main method.
2021-11-08
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The generation of powder particles in powder spraying and how to reduce the appearance of particles
At present, anodizing, electrophoresis coating and powder spraying are one of the three main body surface treatment methods of aluminum profiles. Each method has its own advantages and respectively occupies a considerable market share. Powder spraying uses powder coatings.
2021-11-08
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Tool coating technology
A certain film is formed on the surface of the tool by chemical or physical methods (ie coating process), so that the cutting tool can obtain excellent comprehensive cutting performance, thereby meeting the requirements of high-speed cutting; since the advent of hard-coated tools in the early 1970s , Chemical vapor deposition (CVD) technology and physical vapor deposition (PVD) technology have been developed one after another, opening a new chapter in history for the improvement of tool performance.
2021-11-08
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What are the characteristics of plastic?
Plastic is a polymer compound that is polymerized by monomer as raw material through addition polymerization or polycondensation reaction. It is commonly known as plastic or resin. The composition and shape can be freely changed. It is composed of synthetic resin and fillers, plasticizers, stabilizers, and lubricants. , Pigment and other additives.
2021-11-08
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Classification and application scope of ASA and ABS
1. Chromium stainless steel has certain corrosion resistance (oxidizing acid, organic acid, cavitation), heat resistance and wear resistance. It is usually used for power station, chemical, petroleum and other equipment materials. The weldability of chromium stainless steel is poor, so attention should be paid to the welding process and heat treatment conditions.
2021-11-08
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Eight items of stainless steel welding pay attention to nine major issues!
1. Chromium stainless steel has certain corrosion resistance (oxidizing acid, organic acid, cavitation), heat resistance and wear resistance. It is usually used for power station, chemical, petroleum and other equipment materials. The weldability of chromium stainless steel is poor, so attention should be paid to the welding process and heat treatment conditions.
2021-11-08
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What material is magnesium alloy?
As the lightest engineering metal material, magnesium alloy is known as the "green engineering material of the 21st century". It has high strength, impact resistance, good heat dissipation, dimensional stability and large elastic modulus, and its ability to withstand impact loads is stronger than aluminum alloy.
2021-11-08
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The development background, classification and advantages of inkjet sand 3D printing technology
China Foundry has been facing the status quo of large but not strong, and key high-precision castings mainly rely on imports. Speeding up the promotion and application of sand mold 3D printing technology is conducive to promoting China from a large foundry country to a powerful foundry country!
2021-11-08
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Analysis of the three major factors affecting metal 3D printing yield
As a disruptive technology, metal 3D printing is widely used in industry, including a series of fields such as aerospace, biomedicine, and automobiles. Through metal additive manufacturing, the freedom of design and the flexibility of manufacturing are enhanced, and complex topography and customized production can be realized, thereby shortening the time to market. If you want to print a perfect product, the process must be checked layer by layer.
2021-11-08
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Service Process of Plastic Product Manufacturers
The plastics industry occupies an extremely important position in the world today, and the production of plastic products has developed rapidly all over the world for many years. Statistics show that the output of plastic products in my country has always been in the forefront of the world rankings, a variety of plastic products have been ranked first in the world, and my country has become a major producer of plastic products in the world.
2021-11-08
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What about plastic products for daily use?
In recent years, under the general market environment of "plastics instead of steel", the inclination of policies has brought good prospects for the plastic products industry. The output of plastic products in China has increased significantly compared with the same period last year.
2021-11-08
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