Open/close induction coil, induction heating coil, heating coil, quenching coil Ningbo Dedao Electronic Technology Co., Ltd , https://www.nbdedao.com
Jinan Jiang Hua Forging Machinery Co., Ltd, established in 1995, is a leading manufacturer of high-quality pipe flanges and related products. Located in the eastern suburbs of Jinan, the company benefits from its strategic location, with Jinan International Airport to the west and Qingdao Port to the east. Covering an area of 480,000 square meters, the company has made a significant investment of 3.8 billion RMB and employs over 360 staff members, including more than 30 skilled technicians. With an annual production capacity exceeding 10,000 tons, the company is well-equipped to meet diverse industrial demands.
The company specializes in manufacturing forged pipe flanges that comply with international standards such as UNI, DIN, JIS, ASTM, ANSI, API, and others. The materials used include carbon steel (A105, S235JRG2, C22.8, P245GH), alloy steel (1.5415, 16MO3), and stainless steel (1.4571, 1.4301, 1.4306, 1.4404, 1.4435). These flanges are available in various designs, including welding neck, slip-on, blind, socket welding, and threaded types. They can be manufactured in different pressure ratings, ranging from 150# to 2500#, and also in PN6 to PN40 and 1K to 63K classes.
Flange wall thicknesses include standard, Sch40, Sch80, Sch160, and SchXXS. Surface treatments available are rust-proof oil, black paint, yellow transparent paint, and galvanization. The product range includes sizes from DN10 to DN1000. Manufacturing processes involve free forging and plate cutting, ensuring high-quality and durable products.
The flanges are suitable for use in steam, air, gas, and oil pipelines, as well as for other fluid applications. Packaging options include wooden cases, cartons, pallets, or crates based on customer requirements. Delivery times vary depending on order quantity, and the company ensures quality through certifications like TUV and ISO9001.
With a strong focus on innovation, quality, and customer satisfaction, Jinan Jiang Hua Forging Machinery Co., Ltd continues to be a reliable partner for global clients seeking top-tier pipe flanges and related components. Their commitment to excellence and adherence to international standards make them a preferred choice in the industry.
Induction heating coil is a device that uses the principle of electromagnetic induction for induction heating. It is commonly used for heating metal materials, such as in industrial processes such as welding, heat treatment, and melting. The working principle is to generate eddy currents (induced currents) inside the heated metal through the alternating magnetic field generated when alternating current flows through the coil. This eddy current in turn generates its own magnetic field and interacts with the original magnetic field, causing heat to be generated inside the metal and achieving heating.
The design and application of induction heating coils have the following key points:
1. Induction coil structure: The coil is usually made of conductive materials such as copper or aluminum, and its shape and size are designed according to specific application requirements. It can be circular, square, or other shapes. The number of turns, diameter, and wire diameter of the coil can affect heating efficiency and power output.
2. Frequency selection: The efficiency and effectiveness of induction heating are related to the frequency of use. High frequency (several kilohertz to tens of megahertz) is suitable for rapid heating of thin-walled components, while low frequency (several hundred hertz to several thousand hertz) is more suitable for uniform heating of thick walled components. According to the frequency of induction heating equipment, it can be divided into high-frequency induction coils, intermediate frequency induction coils, ultra-high frequency induction coils, and ultrasonic induction coils
3. Power control: By adjusting the current input to the induction coil, the heating power and temperature can be controlled. This function is usually achieved using electronic devices such as thyristors and inverters.
4. Induction cooling system: In order to protect the heating area from overheating, an induction cooling system may be required, especially during continuous heating operations.
5. Safety measures: Induction heating equipment must be equipped with effective safety measures, including preventing electric shock, avoiding spark splashing, and ensuring good ventilation in the operating environment.
Induction heating coils are widely used in various fields such as metal processing, automotive manufacturing, aerospace, medical equipment, etc., and are one of the indispensable high-efficiency heating technologies in modern industry.