Application Of MC Nylon In Machine Parts

May 30, 2024

Understand the application areas of nylon, expand the application of products, help nylon manufacturers to open up sales, today we talk about the application of nylon in mechanical parts.

Application in the field of industrial machinery

Coal mining, coal processing machinery

Nylon materials used in coal mining equipment in underground coal mines, the application of anchor preload is generated by applying torque to the nut, without using other friction reduction methods, the use of nylon 1010 and modified nylon 1010 friction reduction shims, to achieve the best friction reduction effect. Shanxi Sanyuan Coal Coal Processing Plant final fine coal dewatering process using LLL type vertical spiral scraper discharge centrifuge, the equipment uses nylon gear sleeve coupling.

Ball mill

Nylon can be used as coupling connection in ball mill. CITIC Heavy Industry Machinery Co., Ltd. produces a cylindrical steel ball mill, 4 # furnace A coal mill pinion and gearbox using nylon 6 for the material of the rod pin coupling connection. In the ball mill of Shandong Huayin Special Cement Co., Ltd, the motor and ZD70 reducer are connected by nylon pin coupling.

Textile machinery

Rapier textile machine (GA736 type) weft beating mechanism using nylon fan rack. GA736 rapier textile machine planetary pinion and fan tooth material at least one is a non-metallic material (nylon), in order to ensure that the gear vibration is small, low noise, and the use of nylon gears can reduce costs.

Sugarcane Press

MC casting nylon material is used as the shaft tile on the large-scale press machine φ1000×2000 to replace the original copper shaft tile, and the feasibility has been proved in practice.

Construction Machinery Crane

The nylon slider used on the crane arm plays a triple role: (1) it can prevent the friction and wear caused by the direct contact of the telescopic arm and reduce the friction generated by the crane arm when it is telescopic; (2) it improves its work stability and safety; (3) at the same time, the nylon slider can support the pressure between the arm and the arm.

Single Chute Winch

MC nylon can also be used in large-scale construction and engineering machinery after modification, such as single slot winch. The pinion gear and large gear of the motor are made of MC nylon composite material, which is mainly modified with graphite filling. When two MC nylon/graphite composite gears mesh, they have many advantages compared with metal gear transmission, such as lighter weight, higher precision, lower noise, and the nylon gears are easier to be molded.

Industrial Conveyors

In screw conveyor, nylon shaft tile is used instead of powder metallurgy shaft tile, which is very suitable for conveying wet materials, no need to add grease and lubricant, and can run dry.

Mechanical parts for transportation field

Aerospace

The power gyroscope of small aircraft and the power rotator of stabilized control surfaces use non-metallic gears, and the gears made of nylon 6, nylon 66, and MC nylon have the advantages of impact resistance, fatigue resistance, good self-lubricating performance, and wear resistance. Self-lubricating rod-end joint bearing consists of threaded rod bearing shell, hollow spherical inner ring and self-lubricating liner. Commonly used liner layer of PTFE and nylon, etc., liner bearing capacity, low coefficient of friction, can be realized in the aviation, aerospace and other fields of bearing capacity, long service life, self-lubrication, maintenance-free, easy to disassemble and other requirements.

Metro

The cage structure of BT2-8545 subway bearings is made of Pa66-GF25-JB/T7048 reinforced nylon; the nylon material has a low coefficient of friction, low noise and good self-lubrication. China South Locomotive (CSR) and North Locomotive Group Corporation (NLG), which are the core enterprises of China's rolling stock manufacturing, have applied the nylon material in the field of subway.

Automotive

In recent years, people's demand for automobile lightweight, low fuel consumption, impact resistance, safety and other requirements continue to improve, plastics are increasingly used in the automotive industry. Automotive field a large number of applications of engineering plastics instead of expensive non-ferrous metals and alloys, to improve automotive styling aesthetics, design flexibility, reduce parts processing, assembly, maintenance costs, significantly reduce the weight of the car, reduce energy consumption. Nylon materials can be used as the following auto parts:

(1) Automotive electrical components, such as electrical wiring, terminal blocks, central electrical panels, tracking headlights, headlight regulators and headlight housings;.

(2) Engine, cylinder head cover, engine trim cover, engine cover, engine tank cover, fan, and intake manifold, 1990 BMW first fiberglass reinforced nylon intake manifold for six-cylinder engine; (3) Fuel oil, fuel oil, and other automotive parts.

(3) Fuel tank, oil filter, oil piping; (4) Fuel tank, oil filter, oil piping; (5) Fuel tank, oil filter, oil piping.

(4) Body parts, such as liftgate, seats, fans, radiator grills, rain wipers; (5) other body parts, such as liftgate, seats, fans, radiator grills, rain wipers, rain wipers, etc.

(5) Other stressed parts, drive and control components of automobile bodies, turbo mediators, helical gear mediators, brake actuators, electric throttle segments, AMT gear selector shift actuator worm gears, power steering gears, shock absorbing actuators, and so on.

Marine

Plastic tail bearings have been widely used in ships. Ship tail bearings are mainly made of synthetic materials such as nylon and Cylon. In ship propulsion system, water lubricated bearings with water as the working medium instead of mineral oil have become the research hotspot in various countries, which is characterized by simple structure, energy saving and environmental protection, and convenient maintenance. Nylon material as water lubricated bearings, compared with Polyethylene terephthalate, cast iron, bronze, strong bearing capacity, long service life, low coefficient of friction. The RTP200 series of nylon blends developed by Winona, Minnesota (USA) are used by Cyclaire for pumping system bearings.

Parts and components for military and civilian machinery in other fields

Military

Nylon is light, about 1/7~1/6 of the density of iron and steel, the specific strength of glass fiber reinforced nylon is about 4000 m2/s2, while that of iron and steel is about 1600 m2/s2, which is very important to reduce the dead weight of weapons and equipment, and can achieve the purpose of lightweight weapons. Nylon in the domestic ammunition fuzing products in a large number of applications, such as 117 products base, 118 products turbine, coil skeleton, rotor, retaining ring, three feet to meet the bit of the line pin are glass fiber reinforced nylon 6; 131 products of the wire package skeleton, high-frequency sockets, high-frequency seat, cross-clamping, insulating sleeve, insulating tube, etc., using nylon 1010, nylon 1011 as an insulating ring. The gyroscope and maneuvering device in the military field, also often use nylon material as gears.

Civilian use

There are many advantages, such as low transmission noise, vibration absorption, self-lubrication, etc., and can be molded and processed, high production efficiency. As a result, they are often used in place of metal gears for washing machine drives, vibration-absorbing actuators for ventilation and air-conditioning systems, and valve drives in flow facilities.

Nylon Performance

Nylon (PA) known as polyamide, the main chain contains a large number of polar amide bonds, strong intermolecular forces, coupled with hydrogen and give the electron group hydroxyl group is easy to form strong hydrogen bonding, so that its excellent performance, mainly in the following eight aspects.

Excellent mechanical properties

Nylon tensile strength, bending strength, impact strength, hardness, rigidity, Young's modulus, toughness are better, especially after fiber-reinforced composites or alloys made from a mixture of other polymers, its strength, modulus, hardness, stiffness, wear resistance is further improved. In particular, nylon has good resistance to friction and wear, self-lubrication (water can be used as a lubricant) and fatigue resistance, which is one of the important reasons why it can be widely used as an engineering plastic.

Good heat resistance

Nylon has a high melting point, generally above 240°C. Aromatic nylon has higher heat resistance than aliphatic nylon.

Excellent processing performance

Nylon is thermoplastic, after melting under the action of shear force viscosity is low, good fluidity, easy to molding processing.

Excellent electrical properties

Under dry conditions, nylon has good electrical insulation, can be used as an insulating material, is particularly good high-frequency insulating materials.

Good solvent resistance

Nylon has good chemical stability, alkali resistance, weak acid resistance, especially resistant to aromatic compounds and commonly used organic solvents.

Good flame retardancy, easy to functionalize

Nylon has good flame retardancy and is generally not easy to burn; the addition of antimicrobial agents can also make it antimicrobial.

Better properties than metal materials

Nylon has light weight, low noise, no sparks, no rust, no electromagnetic interference, and other characteristics of metal.

Other

Nylon also has excellent characteristics such as abundant raw materials, many varieties, easy recycling, good dyeing properties, high precision of the resulting products, and good dimensional stability.

Author:

Ms. Tina

E-mail:

sales@honyplastic.com

Phone/WhatsApp:

8618680371609