END BAR HEATING (INDUCTION HEATING MACHINE
overview
End bar heating process is an industrial technique used to selectively heat the ends of metal bars, preparing them for processes such as forging, bending, upsetting, or joining. This targeted heating is particularly beneficial for applications requiring consistent heating with minimal impact on the surrounding material.
END BAR HEATING (SUPER AUDIO)
End bar heating with super audio refers to a process commonly used in industrial applications to heat the ends of metal bars rapidly and uniformly. This method often utilizes induction heating technology, where high-frequency (typically in the super-audio range, around 10-50 kHz) alternating currents create a magnetic field, inducing heat directly in the metal
OVERVIEW HOW IT WORK
1. Preparation and Positioning
>The metal rods are positioned so that the ends to be heated are in or near the induction coil.
>The coil design is usually tailored to the size and heating requirements of the bar, allowing precise focusing of the ends..
2. Induction Heating Setup
>High-frequency alternating current (AC) passes through the induction coil, creating a magnetic field around it. In end bar heating, frequencies may range from medium to high (e.g., super-audio frequencies).
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This magnetic field induces eddy currents in the bar’s end section, generating heat directly in the metal due to electrical resistance..
3. Heating Proccess
-Eddy currents cause rapid, localized heating in the metal, the process being controlled to ensure that the end reaches the desired temperature without affecting the entire bar length.
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Depending on the application, temperatures can vary from several hundred to over a thousand degrees Celsius.
4. Temperature Control and Monitoring
-Precise control over current and frequency allows to fine-tune the intensity and speed of heating.
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Real-time monitoring systems such as infrared sensors are often used to maintain a uniform temperature and prevent overheating.
5. Cooling and Further Proccessing
>Once the ends reach the desired temperature, the bars may proceed to the next process, such as forging or forming.
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Alternatively, they may be quenched or left to cool, depending on the requirements.
Advantages of End Bar Heating
Efficiency: Heats only the necessary part of the bar, reducing energy costs.
Precision: Maintains the integrity of unheated sections, reducing material distortion.
Speed: Induction heating is rapid, enabling fast production cycles.
Minimal Oxidation: As a non-contact method, oxidation is reduced compared to open flame heating…
Applications of End Bar Heating
Automotive and Aerospace: For producing components like bolts, screws, and fasteners.
Tool Manufacturing: Preparing metal for hot forging or forming processes.
Pipe and Tube Production: Forming and shaping metal tubes.
Note : This Process as become essential in industries that demand high pricision and speed in metalworking.
who are we
malhotra technologies Established in 2007, Malhotra Technologies (INDUCTION MASTER) is a reputed company that manufactures and supplies a broad assortment of (INDUCTION HEATING MACHINE) induction-hardening machines, high-frequency induction heaters, medium-frequency power heaters, UHF induction heaters, annealing machine, sintering machine, electroplating rectifiers, heat-treatment machine, and brazing machine. They also supply products like 15 series induction heaters, 25 series induction heaters, 35 series induction heaters, 70 series induction heaters, medium frequency power heaters, melting machine frequency power heaters,s and forging furnace frequency power heaters. These items are developed using high-quality raw materials procured from retailers following international norms. Know more
