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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.
Founded in 2005, Dongguan Yinyin Hardware Products Co., Ltd. specializes in: silver contacts, electrical contacts, double composite silver nails, riveted silver contacts, soldered silver contacts, various precision stampings, conductive copper posts, contacts Screws, electrical screws, DC, AC pins, copper sleeves, such as hollow needles, semi-hollow needles, four guides, rivets, silver dots, binding posts, AV copper sleeves, 3F07 copper sleeves, 3F05 copper sleeves, 215 copper sleeves Etc., and the production of various silver, copper, iron, aluminum, non-show steel and other heterosexual products, electricity, mobile phone 13728192869, Mr. Chen
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Hand Applied Wrapping Machine
The Hand Applied wrapping machine is a lightweight, low profile pipe wrapping machine that provides a simple way to apply tape coatings on pipelines. It can be used on any pipe 4" or larger and can accommodate tape with a core diameter of 1 1/2 or 3 inches. It can easily be used for either spiral or cigarette wrapping and is designed with separate tension adjustments for tape and release line take-up. This machine should be ordered by the width of the tape and not the diameter of the pipe.
Details:
· Hand Applied Wrapping Machine
· Applies tape coatings on pipelines
· Separate tension adjustments for tape and release line take-up
· Will accommodate tape with 1-1/2" or 3" core diameters
· Ideal for both spiral and cigarette wrapping
· It can be used on any pipe 4" and Larger
· Very low profile, requires less clearance
· Lightweight construction
· Easy to operate
· Order these machines by the width of your tape roll – NOT the diameter of the pipe:
· 2"-6" tape roll width
· 6"-12" tape roll width
· 12"-18" tape roll width
Weight: 10 kg per pcs
Operation: at least 2 people
Anti-corrosion Tape Wrapping Machine
Wrapping Machines, Hand Applied Wrapp Machine, Anti-corrosion Tape Wrapping Machine
Jining Xunda Pipe Coating Materials Co.,Ltd , http://www.pipe-wrap.com