From plastic melting and molding to pharmaceutical cold-chain production, from electronic chip heat dissipation to auto parts die-casting, industrial chillers act as "invisible temperature guardians." By accurately controlling temperature, they ensure stable production processes and qualified product quality, becoming indispensable core auxiliary equipment on production lines across multiple industries. Due to the huge differences in production characteristics of different industries, chillers also need to be "customized" to meet the specific needs of each industry.
In the plastic processing industry, chillers are crucial for ensuring the molding quality of products. During injection molding, after plastic is melted and injected into the mold, excessively high mold temperature will cause slow cooling and uneven shrinkage of plastic parts, leading to defects such as deformation and flash. Conversely, excessively low temperature will reduce the fluidity of plastic, making it impossible to fill the mold cavity. At this time, industrial chillers cool the mold through circulating chilled water, controlling the mold temperature within the optimal range of 20-60℃. This ensures rapid and uniform cooling of plastic parts, reducing the defect rate. For example, when producing thin-walled plastic parts (such as mobile phone casings), chillers need to have rapid cooling capabilities to prevent warping caused by insufficient cooling of plastic parts. When producing thick-walled plastic parts (such as plastic barrels), chillers need to adjust the temperature slowly to avoid internal stress in the plastic parts. In extrusion molding (e.g., production of plastic pipes and films), chillers also cool the extruder barrel and die head to control the melting viscosity of plastic, ensuring extrusion speed and uniform product thickness.
The pharmaceutical industry has extremely strict requirements for the accuracy and stability of temperature control, and industrial chillers are one of the core equipment to meet GMP standards. During biopharmaceutical processes, microbial cultivation in fermentation tanks requires a stable temperature environment (usually 25-37℃). A temperature fluctuation exceeding ±0.5℃ may affect microbial activity, leading to fermentation failure. Industrial chillers achieve precise temperature control through PID (Proportional-Integral-Derivative) technology, controlling the temperature fluctuation of fermentation tanks within ±0.1℃ to ensure stable fermentation processes. In the pharmaceutical cold storage link, chillers provide cold sources for cold storage and cold-chain transportation equipment, ensuring that medicines are always within the safe temperature range of 2-8℃ during storage and transportation to prevent drug deterioration and failure. Additionally, the pharmaceutical industry has high requirements for equipment cleanliness. Chillers need to use stainless steel circulating pipelines to avoid pipeline rust and contamination of chilled water, meeting the hygiene standards of pharmaceutical production.
The "chip-level" production in the electronics industry is even more dependent on the precise heat dissipation of chillers. During chip manufacturing, processes such as photolithography and etching have extremely high requirements for ambient temperature and humidity. The laser system of lithography machines generates a large amount of heat during operation. If heat cannot be dissipated in a timely manner, the laser wavelength will shift, affecting photolithography accuracy (errors may reach the nanometer level). Industrial chillers provide constant-temperature and constant-pressure chilled water for lithography machines, controlling the equipment temperature at 23±0.1℃ to ensure the accuracy of the photolithography process. In electronic component assembly (e.g., PCB board soldering), the heat generated by soldering equipment will cause excessive temperature of components, which may damage precision parts such as chips and capacitors. Chillers cool the soldering heads to prevent component failure due to overheating, improving product qualification rates.
The high-intensity production in the automobile manufacturing industry tests the durability and high-load operation capabilities of chillers. In the die-casting of auto parts (such as engine blocks and gearbox housings), the temperature of die-casting molds rises rapidly to over 200℃ under the impact of high-temperature molten metal. If not cooled in a timely manner, the service life of the mold will be shortened and castings will develop cracks. Industrial chillers quickly cool the molds through high-pressure and large-flow chilled water, stabilizing the mold temperature at 120-180℃. This not only extends the service life of the molds (from 50,000 mold cycles to more than 80,000 mold cycles) but also ensures the molding quality of castings. In automobile painting workshops, chillers provide cold sources for the air conditioning systems of spray booths, controlling the temperature of the painting environment at 20-25℃ and humidity at 60%-70%. This ensures strong paint adhesion and a smooth surface, avoiding paint sagging caused by excessively high temperatures or slow paint drying caused by excessively low temperatures.
Beyond the above industries, industrial chillers also play important roles in food and beverage, chemical engineering, printing, and other fields: in the food industry, they provide cold sources for beer fermentation and juice pasteurization; in the chemical industry, they cool reaction kettles to prevent chemical reactions from getting out of control due to excessively high temperatures; in the printing industry, they cool printing machine rollers to avoid paper deformation caused by heat, which leads to misregistration. Regardless of the industry, industrial chillers solve "temperature problems" in production through accurate and stable temperature control, serving as indispensable "guardians" on production lines and helping enterprises improve product quality, reduce production costs, and ensure production safety.
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