Brief analysis of the application field of polyamide
Due to its production performance characteristics, polyamide has been well applied in many fields of national production such as automobile manufacturing, machinery and equipment production, electronic and electrical industry, and chemical equipment production. (1) Application of polyamide in automobile manufacturing Due to the demand for lightweight and reduced cost of automobiles in recent years, engineering plastics are increasingly used in automobile manufacturing. Automotive parts are required to withstand high and low temperatures, oil, chemical and weather resistance, and polyamides are widely used to meet these performance requirements. Polyamide is mainly used as a component in the automotive industry.
The heat sink box is a large product obtained from glass fiber reinforced polyamide. By replacing the original metal material with polyamide, the weight of the product can be greatly reduced.
The pulley is made of glass fiber reinforced polyamide with graphite added. Replacing the original cast iron parts reduces weight and reduces man-hours.
The adsorption tank made of polyamide for the adsorption tank is better in oil resistance, heat resistance and vibration resistance.
The oil pump gears made of Pa66 for oil pump gears have good reliability and can be used as structural parts in automobile manufacturing.
(2) Use of polyamide in the production of mechanical equipment
Due to its excellent properties such as toughness, wear resistance, self-lubrication, high rigidity and heat resistance, it is widely used in the manufacture of mechanical parts such as gears, turbines, seals and bearings.
General machinery manufacturing polyamides can be used to manufacture various types of mechanical parts instead of metal materials, which are somewhat advantageous in improving wear resistance, increasing life, reducing costs, and reducing weight.
As a bearing material, bearing polyamide is widely used in the fields of automobile, shipbuilding, metallurgy, textile, papermaking and so on. Polyamide bearings reduce the weight of the product, and wear resistance and reliability, while replacing the traditional process, greatly saving man-hours.
The injection or casting of polyamide gears not only has the advantages of simple production process and equipment, reliable performance, and wear resistance, but also reduces the manufacturing and assembly techniques due to the flexibility of the polyamide gears to compensate for processing and assembly errors. Claim.
(3) Use of polyamide in the electrical and electronic industry Polyamide has good electrical properties and can be widely used in the manufacture of general electronic and electrical components.
The coil winder manufactures a coil winder with Pa6, Pa66, and the like. Since the product requires high strength and high rigidity, the glass fiber reinforced polyamide is often used, and the product is required to have better flame retardant properties.
Most of the terminals are used for enhanced Pa6 and Pa66. The product is required to have good heat resistance, electrical edge and flame retardancy.
TV tuning elements are typically fabricated from flame retardant Pa66. It is required to be used for a long time at 105 ° C, and the flame retardant performance is required to reach UL-94V-0.
The high-pressure safety switch is made of the same name copolymer polyamide. Has excellent electrical properties, mechanical properties and light transmittance.
(4) Use of polyamide in chemical equipment Polyamide has good corrosion resistance, oil resistance and aging resistance, so it is widely used in the manufacture of chemical equipment, such as pipes, filters, containers, etc. Good corrosiveness, good oil resistance, reduced cost and reduced weight.
(5) Other fields Polyamides are used in construction, daily necessities, transportation and other fields due to their various excellent properties. Due to its good mechanical properties and weather resistance, polyamide is used in the manufacture of window frame punching, door pulleys and curtain rail pulleys. It can also manufacture escalator railings and automatics by using the wear resistance and self-lubricating properties of polyamide. Door rails, lift parts, etc.
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