Manufacturing Process of Rice Cooker Heating Plate

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The production line for rice cooker heating plates goes through a series of meticulous processes to ensure that the final product meets high standards of quality and performance.

Starting with the aluminum ingot smelting process, a 300Kg natural gas furnace is used to efficiently smelt the aluminum ingot. Natural gas combustion is employed to heat up and melt the aluminum ingot until it is completely liquefied.

Next, the molten aluminum is passed through a single-station casting machine. While the mold is rotating at high speed, the liquid aluminum is injected and quickly solidifies into the shape of the heating plate, resulting in a plate with the designed shape and size.

The produced heating plate is then fed into a 40T punch machine. This machine is used to punch the nozzle and remove the excess nozzle part in the middle of the heating plate, allowing for the installation of the nozzle in subsequent steps.

The next step involves drilling holes. Precise holes are drilled on the already punched heating plate to connect traces and internal pads of different layers. The position and diameter of the drill holes are precisely controlled according to the design requirements.

The drilled heating plate is then tapped using a tapping machine to provide threads for the installation of subsequent components.

The product is placed into the aging furnace to undergo heat treatment processes such as annealing, tempering, quenching, and heating. This process removes water vapor from the heating plate. During processing, internal stress in the heating plate is eliminated, stabilizing the structure and size, and improving mechanical properties. The product then moves to the CNC lathe processing point. CNC lathe reprocessing smoothens the surface of the aluminum heating plate, enabling more even heat dissipation during the heating process. The denser the surface texture of the heating plate, the better the heat dissipation effect.

Davinci utilizes both traditional and automated CNC machining. The traditional manual assembly method involves placing the semi-finished product manually in the chuck and then manually starting the CNC machine tool for processing. The use of mechanical arms instead of manual labor significantly improves production efficiency, reduces workers' labor intensity, ensures safety in operations, and improves the production environment.

Subsequently, the product undergoes testing using a withstand voltage tester. Applying a certain voltage ensures the product can withstand the voltage and pressure during normal use. In the resistance test stage, a resistance tester is used to measure the resistance value of the product, ensuring it falls within the design specifications to guarantee effective heating.

The entire production line of the Davinci rice cooker production line is carefully designed and highly automated to maximize production efficiency and ensure product consistency.

The Crucial Role of Heating Elements in Rice Cookers

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When it comes to rice cookers, the quality of the rice they produce is heavily influenced by the efficiency of their heating elements. Understanding the role of these components not only aids in maximizing the performance of your appliance but also ensures consistently excellent results.

The Heating Plate: The Core of Rice Cooking

The heating plate is the primary heating element in a rice cooker. Made from an aluminum alloy disc with an integrated electric heating tube, this component is strategically positioned at the base of the appliance. Its primary function is to generate the heat essential for cooking rice, maintaining a consistent temperature that ensures even and thorough cooking.

Key Features of the Heating Plate

Material Composition: The choice of aluminum alloy for the heating plate is due to its excellent thermal conductivity, which allows for quick and even heat distribution across the cooking surface.

Electric Heating Tube: Embedded within the aluminum alloy, the electric heating tube converts electrical energy into heat, providing a stable and controlled heat source for the cooking process.

Temperature Regulation: The heating plate is designed to maintain a specific temperature range optimal for rice cooking, preventing undercooking or overcooking, and ensuring the rice's texture and flavor are preserved.

Durability: Constructed with robust materials, the heating plate is built to withstand the wear and tear of regular use, contributing to the longevity of the rice cooker.

Maximizing the Performance of Your Heating Plate

To get the most out of your rice cooker's heating plate, consider the following tips:

Clean Regularly: Regular cleaning of the heating plate helps maintain its efficiency and prolongs its life. Remove any residue or buildup that could affect heat distribution.

Use the Right Pot: Ensure that the inner pot is compatible with the heating plate. Using the correct pot ensures optimal contact and heat transfer.

Monitor the Cooking Process: Keep an eye on the cooking process, especially when trying new recipes or types of rice. This can help you adjust the cooking time and temperature settings accordingly.

Proper Maintenance: Follow the manufacturer's guidelines for maintenance to ensure the heating plate operates at its best.

The heating plate is more than just a component, it's the heart of your rice cooker. By understanding its function and taking proper care, you can achieve perfect rice every time. Whether you're a novice or a seasoned home cook, investing in the knowledge of your rice cooker's heating elements will enhance your culinary experience.

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