Poulie de guidage de fil en céramique à bride en plastique de divers types OEM de Chine avec les meilleures ventes

Description du produit

Nom du produit: Poulie en céramique à bride en plastique
 

Description détaillée du produit :
Plastic Flanged Ceramic Wire guide pulley is commonly used component when wire passing is required, it can be used in coil winding machine. cable machine and the textile machinery as well. The porcelain ring is mounted on the bearing. Coil winding wire guide pulley(wire roller) will rotate by the thread and wire passing on the surface of the ring. Thus the sliding friction has been converted to the static friction. But at the start and stop, in order to overcome the inertia. there will be a partial sliding friction. The surface polish degree of the porcelain ring reaches Ra0.2;the beating during rotation is under 0.15.We select the 99% AL2O3 as the material with the hardness of HRA88 and the density of 3.85.. Two nylon side walls have been put to the both side of the ceramic ring and the bearing, coil winding wire guide pulley (wire roller) combines 1 wire roller

Pourquoi nous :

1. 1 milliard de dollars de ventes chaque année ;
2. Excellente qualité et prix compétitif ;
3. Une vaste expérience professionnelle en matière d’exportation dans le monde entier ;
4. Un personnel bien formé et expérimenté répondra à toutes vos demandes de manière professionnelle dans n'importe quelle langue ;
5. Bon service après-vente offert.
6. Culture

Culture:
Nous adhérons au principe de la culture de durabilité et à six normes élevées : gestion de haut niveau, haute efficacité, personnel hautement qualifié, compétences de haut niveau, produits de haute qualité et développement rapide des ventes. La meilleure conception inclut la considération de l'environnement. C'est pourquoi nous nous engageons à nous assurer que nos processus, nos produits et notre personnel suivent des pratiques sûres et respectueuses de l'environnement. De l'autre côté, nous préférons proposer à nos clients les produits les plus récents, les plus à la mode, de haute qualité et les plus sains.
 
Service:
Les produits ZHENGTAIFENG METAL PRODUCT LIMITED présentent un système complet de service avant-vente, de vente et après-vente, et fournissent une gestion et un service détaillés aux clients en termes de canaux de distribution. et fournit des conseils professionnels et systématiques aux distributeurs. 

Service supplémentaire :
Nous disposons d'une licence d'exportation pour aider nos clients à gérer les procédures d'exportation. Nous disposons de notre équipe pour contrôler la qualité, organiser l'expédition, combiner les conteneurs (combiner différents types d'articles dans 1 conteneur de notre usine à une autre). Comme nous nous soucions toujours de votre réflexion, nous serons votre partenaire professionnel pour vous fournir les bons produits en Chine.
 
Suggestion:
Veuillez vérifier les colis après avoir reçu les marchandises, si vous rencontrez un problème, veuillez nous contacter dès que possible.

Contactez-nous:
D'autres produits sont disponibles à ZHENGTAIFENG. Ils sont tous à des prix compétitifs et de bonne qualité, il suffit d'aller sur la page de notre entreprise pour voir les détails. 
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FAQ:

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What are the applications of pulleys in the automotive industry?

Pulleys have various applications in the automotive industry, contributing to the operation of different systems within vehicles. Here are some common applications of pulleys in the automotive industry:

1. Engine Systems: Pulleys are extensively used in the engine systems of vehicles. The crankshaft pulley, also known as the harmonic balancer, is connected to the engine crankshaft and drives various engine accessories through the use of belts. These accessories may include the alternator, power steering pump, water pump, air conditioning compressor, and more. The rotation of the crankshaft pulley powers these accessories, allowing them to perform their respective functions.

2. Serpentine Belt Systems: Modern vehicles often use a serpentine belt system, which is a single, long belt that drives multiple engine accessories simultaneously. The serpentine belt travels around various pulleys, including the crankshaft pulley, tensioner pulley, idler pulleys, and accessory pulleys. These pulleys guide and maintain the tension of the serpentine belt, ensuring efficient power transfer to the engine accessories.

3. Timing Belt/Chain Systems: Timing belts or chains are used in internal combustion engines to synchronize the opening and closing of engine valves with the movement of the pistons. Pulleys known as timing belt pulleys or timing sprockets are mounted on the camshafts and crankshafts, and they work together with the timing belt or chain to ensure precise valve timing. These pulleys play a crucial role in maintaining engine performance and preventing valve interference.

4. Supercharger/Blower Systems: Pulleys are integral components in supercharger or blower systems used in performance vehicles. These systems compress the incoming air to increase engine power and performance. The pulley on the supercharger or blower is driven by the engine crankshaft pulley through a belt or a drive system. By changing the size of the pulley, the speed and boost level of the supercharger or blower can be adjusted.

5. Tensioners and Idler Pulleys: Tensioners and idler pulleys are crucial in maintaining proper belt tension and alignment in automotive systems. Tensioner pulleys are designed to apply tension to belts, ensuring they remain properly seated on the pulleys throughout their operation. Idler pulleys guide the belt and help maintain its alignment. These pulleys contribute to the smooth and reliable operation of various belt-driven systems, reducing slippage and preventing premature belt wear.

6. Accessories and Auxiliary Systems: Pulleys are also employed in various auxiliary systems and accessories in vehicles. These may include systems such as power windows, windshield wipers, cooling fans, and more. Pulleys in these systems facilitate the transfer of rotational motion from motors to mechanical components, enabling the desired functionality.

Overall, pulleys play significant roles in the automotive industry by driving engine accessories, maintaining belt tension, synchronizing engine timing, enhancing performance, and supporting various auxiliary systems. Their proper functioning is crucial for the reliable and efficient operation of automotive systems and components.

Comment les poulies contribuent-elles au fonctionnement des vélos et des motos ?

Les poulies jouent un rôle important dans le fonctionnement des vélos et des motos, en contribuant à la transmission de puissance, au contrôle de la vitesse et à l'efficacité mécanique globale. Voici comment les poulies contribuent au fonctionnement de ces véhicules :

1. Vélos :

– Derailleur System: In most modern bicycles, pulleys are used in the derailleur system. The derailleur is responsible for shifting the bicycle chain between different gears on the front and rear sprockets. Pulleys, often referred to as jockey wheels, are positioned in the derailleur to guide and tension the chain as it moves between gears. They ensure smooth and precise shifting, allowing the rider to adapt to various terrains and maintain an optimal pedaling cadence.

– Belt Drive Systems: Some bicycles use a belt drive instead of a traditional chain drive. Belt drives employ a pulley system that consists of a front pulley attached to the pedal crank and a rear pulley attached to the rear wheel hub. The belt is wrapped around these pulleys, transferring power from the rider's pedaling motion to propel the bicycle forward. Pulleys in belt drive systems enable efficient power transfer, reduce maintenance needs, and provide a quieter and cleaner alternative to chain drives.

2. Motos :

– Clutch System: Pulleys, known as clutch pulleys, are utilized in motorcycle clutch systems. The clutch connects the engine to the transmission and allows the rider to engage or disengage power transmission to the rear wheel. When the clutch lever is pulled, the clutch pulley separates the engine's rotational motion from the transmission, disengaging power transfer. Releasing the clutch lever brings the pulley back into contact, engaging power transmission and enabling the motorcycle to move.

– Variable Transmission Systems: Some motorcycles employ pulleys in variable transmission systems, such as continuously variable transmissions (CVT). CVTs use a pair of pulleys connected by a belt or chain. By changing the diameter of the pulleys, the CVT adjusts the gear ratio continuously, providing seamless and efficient power delivery across a wide range of speeds. Pulleys in variable transmission systems contribute to smooth acceleration, improved fuel efficiency, and enhanced riding comfort.

– Drive Belt Systems: Pulleys are also utilized in motorcycles equipped with belt drive systems. Similar to bicycles, these systems consist of a front pulley connected to the engine's crankshaft and a rear pulley connected to the rear wheel. The belt runs around these pulleys, transferring power from the engine to the rear wheel. Belt drive systems offer advantages such as reduced maintenance, quieter operation, and smoother power delivery compared to traditional chain drives.

Dans l'ensemble, les poulies sont des composants essentiels des vélos et des motos, contribuant à un changement de vitesse en douceur, à une transmission de puissance efficace et à une amélioration des performances globales. Qu'il s'agisse de systèmes de dérailleur, de systèmes de transmission par courroie, de systèmes d'embrayage ou de systèmes de transmission variable, les poulies jouent un rôle essentiel dans l'amélioration de la fonctionnalité et de l'expérience de conduite de ces véhicules.

What materials are typically used to manufacture pulleys?

Pulleys are manufactured using a variety of materials, depending on the specific application and requirements. Here are some of the materials that are typically used to manufacture pulleys:

1. Metal Alloys: Metal alloys such as steel and cast iron are commonly used to manufacture pulleys. Steel pulleys offer excellent strength, durability, and resistance to wear and corrosion. Cast iron pulleys are known for their high strength and resistance to impact and shock loads. Metal alloys are preferred in heavy-duty applications where strength and durability are critical.

2. Aluminum: Aluminum is widely used in pulley manufacturing due to its lightweight nature and corrosion resistance. Aluminum pulleys are commonly used in applications that require reduced weight, such as automotive engines, aircraft components, and light-duty machinery. They offer good strength-to-weight ratio and are suitable for applications where weight reduction is a priority.

3. Plastic: Various types of plastics, including nylon, polyurethane, and high-density polyethylene (HDPE), are used to manufacture pulleys. Plastic pulleys are lightweight, corrosion-resistant, and offer good resistance to wear and abrasion. They are commonly used in applications where noise reduction, chemical resistance, or non-conductive properties are required. Plastic pulleys are frequently used in conveyor systems, packaging machinery, and small-scale equipment.

4. Composite Materials: Composite materials, such as fiberglass-reinforced plastic (FRP) and carbon fiber-reinforced polymer (CFRP), are utilized in the manufacturing of pulleys. These materials offer high strength-to-weight ratios, excellent resistance to corrosion, and good fatigue resistance. Composite pulleys are commonly used in industries such as aerospace, marine, and sports equipment, where lightweight components with exceptional strength are required.

5. Ceramics: In certain specialized applications, pulleys made of ceramics like aluminum oxide (alumina) or silicon nitride are used. Ceramic pulleys offer exceptional hardness, high temperature resistance, and excellent wear resistance. They are primarily used in industries such as semiconductor manufacturing, where extreme precision, chemical resistance, and resistance to high temperatures are crucial.

It's important to note that the choice of material for pulley manufacturing depends on factors such as load capacity, operating conditions, environmental factors, and cost considerations. Manufacturers select materials that provide the necessary properties to meet the specific requirements of the application while considering factors such as strength, durability, weight, and cost.

éditeur par CX