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Temperature switches are also commonly referred to as thermostats, temperature switches, temperature control switches, temperature protection switches, and thermal protectors. Before discussing the working principle of the temperature switch, we need to understand the phenomenon of thermal expansion and contraction and bimetal.
In the middle school physics class, we learn the physical phenomenon of overheating and contraction. Any substance (solid, liquid, and gaseous) increases in volume as the temperature increases, and decreases in volume as the temperature decreases. The thermal expansion and contraction rates of different substances are different, even different.
If two kinds of metal sheets with different thermal expansion and contraction rates are used, the two metal sheets are welded together by a special welding process to form a bimetal. Due to the different thermal expansion and contraction rates of the two metal sheets, when the temperature rises, the bimetal is bent toward the side of the metal sheet having a small thermal expansion and contraction rate; when the temperature is lowered, the bimetal sheet is expanded toward the thermal expansion. The metal piece with a large shrinkage is bent on one side. The bimetal acts laterally as the temperature changes, pushing the transmission mechanism of the temperature control switch to cause the contact of the temperature switch to open or close, thereby achieving the purpose of cutting off or closing the circuit.
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Http://news.chinawj.com.cn Submission:Drill Holster
Drill holster is a tool belt accessory that is designed to hold a drill securely on a person's waist or hip. It is typically made of durable materials such as leather, nylon, or heavy-duty fabric and features a sturdy clip or loop that can attach to a belt or tool belt.
The holster provides a convenient and safe way for professionals and DIY enthusiasts to carry their drills while working on various projects. It keeps the drill close at hand, making it easy to access when needed, and helps prevent the drill from being dropped or damaged.
Drill holsters come in different designs to accommodate various types of drills and accessories, such as cordless drills, impact drivers, and drill bits. Some holsters may also feature additional pockets or compartments for storing other small tools or accessories.
Overall, a drill holster is a handy tool accessory that can help improve efficiency, safety, and organization in the workplace.
