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China Shenzhen Perfect Precision Product Co., Ltd. company news

What is quenching?

What is quenching? Quenching is a heat treatment process that produces a hard and brittle structure by rapidly cooling the material. Quenching is commonly used on steel to significantly increase its hardness and strength. The quenching process includes the following steps: Heating: Heating a material to an appropriate temperature, usually above its critical temperature. This allows the material's grains to grow and change their structure. Hold: After reaching the proper temperature, keep the material in the furnace for a period of time to ensure even temperature distribution. Cooling: Rapidly cool the material from a high-temperature state to room temperature. Commonly used cooling media include water, oil, brine, etc. The faster the cooling rate, the harder the material. Through quenching, the grains of the material will become very fine, forming a hard and brittle martensite structure. This structure has high hardness and strength but also leads to increased brittleness of the material. Therefore, after quenching, tempering treatment is often required to reduce brittleness and improve the toughness of the material. Quenching is a common heat treatment that changes the properties of a material to make it suitable for various applications such as knives, gears, bearings, etc. The specific quenching process and parameters should be determined according to the composition and requirements of the material. It is recommended to consult a professional material engineer or steel supplier to obtain more accurate information.

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What is normalizing?

What is normalizing? Normalizing is a heat treatment process in which the mechanical properties and structure of the material are improved by heating the material to an appropriate temperature for a period of time and then cooling it. The normalizing process includes the following steps: Heating: Heat the material to the proper normalizing temperature. The normalizing temperature is usually low and can be determined according to the composition and requirements of the material. Insulation: After reaching the normalizing temperature, keep the material at that temperature for a period of time to ensure an even temperature distribution. The length of holding time depends on the thickness and requirements of the material. Cooling: Cool the material from normalizing temperature to room temperature. The cooling rate can be natural cooling or using an appropriate cooling medium. Through normalizing, the structure and properties of materials can be improved. Normalizing relieves stress within the material and improves its mechanical properties such as strength and toughness. At the same time, normalizing can also improve the machinability and corrosion resistance of the material. Normalizing is often used in the heat treatment process of medium carbon steel, alloy steel and other materials. The specific normalizing temperature and time should be determined according to the composition and requirements of the material. It is recommended to consult a professional material engineer or steel supplier to obtain more accurate information.

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01/24

What is annealing?

What is annealing? Annealing is a heat treatment process that changes the structure and properties of the material by heating the material to an appropriate temperature and then cooling it slowly. The annealing process includes the following steps: Heating: Heat the material to the appropriate annealing temperature. The annealing temperature is usually higher and can be determined according to the composition and requirements of the material. Hold: After reaching the annealing temperature, hold the material at that temperature for a period of time to ensure even temperature distribution. The length of holding time depends on the thickness and requirements of the material. Cooling: Slowly cool the material from the annealing temperature to room temperature. Cooling can be done by removing the material from the furnace, cooling it naturally or using a controlled cooling rate method. Through annealing, the structure and performance of the material can be improved. Annealing can eliminate the stress inside the material, reduce its hardness, and improve its toughness and plasticity. At the same time, annealing can also improve the machinability, corrosion resistance and fatigue life of the material. Annealing is widely used in various metal materials, such as steel, aluminum, copper and so on. The specific annealing temperature and time should be determined according to the composition and requirements of the material. It is recommended to consult a professional material engineer or supplier to obtain more accurate information.

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What is alloy steel?

What is alloy steel? Alloy steel is a type of steel composed of iron and other elements such as carbon, chromium, nickel, molybdenum, etc. Compared with ordinary carbon steel, alloy steel changes the characteristics and performance of steel by adding alloy elements. The main characteristics of alloy steel are high strength, hardness and wear resistance. The addition of alloying elements can improve the tensile strength, hardness and corrosion resistance of steel, making it have better performance under high temperature, high pressure, and harsh environment. Alloy steel can be divided into various types according to the alloying elements added and their content, such as high-speed steel, stainless steel, tool steel, heat-resistant steel, etc. Each type of alloy steel has specific properties and areas of application. Alloy steels are widely used in various fields, such as the automotive industry, aerospace, energy fields, construction and machinery manufacturing, etc. Its excellent properties make it the material of choice in many critical applications. It should be noted that the composition and properties of alloy steels can vary depending on the specific alloying elements and contents. Therefore, when selecting and applying alloy steel, it is recommended to consult a professional material engineer or supplier for more accurate information.

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What is tool steel?

What is tool steel? Die steel is a kind of steel specially used to make molds. Molds are tools used to produce and process various products, including plastic products, metal products, glass products, etc. Die steel has the characteristics of high hardness, wear resistance, heat resistance and corrosion resistance, and can withstand the requirements of high temperature, high pressure and repeated use. The choice of tool steel depends on the specific application and requirements of the tool. Common die steels include cold work die steel, hot work dies steel and plastic die steel. Cold work die steel: suitable for making cold work dies, such as punching dies, shearing dies and bending dies. These molds are usually used at room temperature and require high hardness, wear resistance and impact resistance. Hot work die steel: suitable for making hot work dies, such as die-casting dies and forging dies. These molds are used at high temperatures and require high heat resistance, wear resistance and deformation resistance. Plastic mold steel: suitable for making plastic injection molds and extrusion molds, etc. These molds are required to have good wear resistance, corrosion resistance and high finish to meet the precision and surface requirements of plastic products. Die steel usually needs to undergo appropriate heat treatment, such as quenching, tempering, etc., to obtain the required hardness and properties. The specific mold steel selection and heat treatment process should be determined according to the specific requirements of the mold and the suggestion of the material engineer. It should be noted that the selection and application of die steel is a complex process involving multiple factors, such as material cost, production requirements, and use environment. It is recommended to consult a professional material engineer or supplier for more accurate information when selecting and applying die steel.

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01/24

What types of drilling machines are there?

What types of drilling machines are there? Depending on the type of result desired, we can often provide a drill that will give you the result you desire. Common types of drilling machines include lathes, drilling machines, milling machines, machining centers, and turning centers. Common drilling processes performed on these types of machines include the use of step drills, core drills, hole saws, center drills, twist drills, countersinks and countersinking tools. Each provides slightly different results. Our drilling rigs can often be equipped with the right drill for your task, providing a versatile solution that can be tailored to your exact requirements. No matter where you want the holes to be located, or what size or configuration you're looking for, a premium drilling machine will usually be able to do the job for you.

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What is a drilling operation?

What is a drilling operation? Drilling involves using a drill to shape the material into predetermined dimensions. Drills are used to drill holes in metal, wood, plastic and similar materials. Depending on the drill used, it is possible to make holes in extremely hard materials, often to considerable depths. The exact size of the hole can be changed simply by changing the drill bit. Most machine shops that offer drilling services can offer a variety of options for different hole locations, shapes and sizes. Drilling speed is affected by the type of material being machined, the size of the drilled hole, and the efficiency of the cooling process. Modern machines benefit from advanced cooling systems for fast and accurate production.

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How to Find a Mechanical Shop Job?

How to Find a Mechanical Shop Job? Most businesses find that once established, they start building a customer base that keeps growing through referrals and repeat business. Many machine shops have long-term relationships with customers, allowing for a continuous workflow. Targeted marketing can also be a fruitful source of new business, especially in the early stages of a business. By providing customers with what they want at the right price, most machine shops can turn a profit in a timely manner.

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How to set up a machine shop?

How to set up a machine shop? Obviously, having the right machines and the right place to put them and make sure they can run safely and reliably is very important. Since CNC programming and keeping machines running properly is a skilled job, a qualified and experienced workforce is needed to ensure smooth operations. The type of CNC machine that is best suited for a machine shop depends on the type of work to be performed, budget and workforce expertise. Our machine shop has 3-axis, 4-axis and 5-axis CNC machines.

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The role of AISI303：

The role of AISI303： The main role of AISI303 is to manufacture parts and equipment that require corrosion resistance. Due to its good corrosion resistance and processability, it is widely used in many industries, including but not limited to the following fields: Mechanical Engineering: AISI303 is often used in the manufacture of mechanical parts such as bearings, bolts, nuts, screws, shafts, etc. Its corrosion resistance makes it suitable for mechanical equipment working in humid, corrosive environments. Food processing and medical equipment: AISI303 stainless steel is an ideal material for the food and medical industry because it is less corrosive to food and pharmaceuticals and is easy to clean and sanitize.   Construction and decoration: AISI303 can be used to manufacture metal products for construction and decoration, such as door handles, handrails, hardware accessories, etc. It has a bright appearance and good corrosion resistance and is suitable for indoor and outdoor decoration. In summary, AISI303 stainless steel plays an important role in applications that require corrosion resistance and good processability and is widely used in various industries.

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