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What Is The Difference Between A Cable Spool And A Turnover Spool？
2022-10-17
The turnover line reel contains plastic line reel, including stamped iron reel, flat steel plate reel and flat stiffened reel. Plastic wire reel is just a kind of turnover wire reel
Physical properties of engineering plastics
1. Thermal conductivity, specific heat capacity, linear expansion coefficient
The thermal conductivity of coil engineering plastics is low and the thermal conductivity is poor. The thermal conductivity is generally about 0.22W/ (m "K). It is six ten thousandths of copper, and less than one percent of iron and steel materials are excellent thermal insulation and resin retention materials. The thermal conductivity does not change much with the increase of temperature, while the thermal conductivity of crystalline plastics decreases with the increase of resin temperature.
The specific heat capacity of engineering plastics is larger than that of metal and inorganic materials. It is generally I-2 punch/(kg-K), which is 2-4 times that of steel materials.
The linear expansion coefficient of engineering plastics is larger than that of metals and ceramics It is 3-10 times of that of metal materials. Therefore, engineering plastic products are easy to affect the dimensional stability due to temperature changes. The linear expansion coefficient increases with the rise of Ju, but it is not linear. Table 1-3 lists the thermal properties of engineering plastics. Table 1 lists the linear expansion coefficients of some engineering plastics. At present, the factory produces plastic discs according to national standards and international DIN standards. The product series has complete specifications, including plastic rotary table for PN machine, DIN product delivery plate, PC finished product delivery plate, PCZ enameled wire plate and welding wire plate, bare copper wire plate and stainless-steel wire plate. There are more than 200 varieties in four categories, suitable for data cable, communication cable, power cable, enameled wire, tinned wire, welding wire, stainless steel wire, etc., which can meet the different needs of users. Special specifications can be customized for users.
Physical properties of engineering plastics
1. Thermal conductivity, specific heat capacity, linear expansion coefficient
The thermal conductivity of coil engineering plastics is low and the thermal conductivity is poor. The thermal conductivity is generally about 0.22W/ (m "K). It is six ten thousandths of copper, and less than one percent of iron and steel materials are excellent thermal insulation and resin retention materials. The thermal conductivity does not change much with the increase of temperature, while the thermal conductivity of crystalline plastics decreases with the increase of resin temperature.
The specific heat capacity of engineering plastics is larger than that of metal and inorganic materials. It is generally I-2 punch/(kg-K), which is 2-4 times that of steel materials.
The linear expansion coefficient of engineering plastics is larger than that of metals and ceramics It is 3-10 times of that of metal materials. Therefore, engineering plastic products are easy to affect the dimensional stability due to temperature changes. The linear expansion coefficient increases with the rise of Ju, but it is not linear. Table 1-3 lists the thermal properties of engineering plastics. Table 1 lists the linear expansion coefficients of some engineering plastics. At present, the factory produces plastic discs according to national standards and international DIN standards. The product series has complete specifications, including plastic rotary table for PN machine, DIN product delivery plate, PC finished product delivery plate, PCZ enameled wire plate and welding wire plate, bare copper wire plate and stainless-steel wire plate. There are more than 200 varieties in four categories, suitable for data cable, communication cable, power cable, enameled wire, tinned wire, welding wire, stainless steel wire, etc., which can meet the different needs of users. Special specifications can be customized for users.
Ningbo ONEREEL's main products: corrugated iron wire reels, iron wire reels for flat high-speed machines, double-layer high-speed reels, rubber reels, iron shafts, wire reels, metal wire reels, I-shaped wheels, etc. The products are widely used in wire and cable, optical fiber and cable, data cable, communication cable, power cable, enameled wire, knitting, rope, casing and other industries.
http://www.cable-spool.com/steel-cable-spool
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