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Descrizione del prodotto

Descrizione del prodotto

·  European standards :
    a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC   
    b) Adjustable speed V-belt pulleys and variable speed pulleys             
    c) Flat belt pulleys and conveyor belt pulleys
·   Bore: Pilot bore, finish bore, taper bore, and bore for QD bushing
·   Parts can be made according to drawings or samples

Detailed Photos

Product Parameters

 

Certifications

We have got many patent certifacates and authorizations for our casting parts.

Imballaggio e spedizione

Normally we pack the goods with plastic film and wooden pallet, if you have any special requests feel free to advise us.

Profilo Aziendale

HangZhou CHINAMFG Machinery Equipment Co., Ltd. was established on February 1st, 2018. It is located at No. 27, Xihu (West Lake) Dis.shao Avenue, South China Advanced Equipment Park, Xihu (West Lake) Dis. District, HangZhou City, ZheJiang Province China. It covers an area of 40,000 square CHINAMFG and a total of 27,000 square CHINAMFG of workshops, with a total investment of 120 million RMB. So far, there are more than 140 employees, more than 100 workshop workers, 3 senior engineers, 5 quality inspectors, 3 purchasing personnel, and more than 20 persons of all functional departments. The predecessor of the company was HangZhou Zhuwang Machinery Equipment Co., Ltd., which was established on September 26th, 2014.
The company is equipped with a set of fully automatic double-head static pressure casting production line equipment, sand mold size 1200*1000*250/250, a total of 202 sand boxes, with a set of 2*3tons electric CHINAMFG and a set of 2*2tons electric furnace, a set of 120-ton sand processing equipment, realizes automatic operation of casting production, and can produce 5,000 tons of various castings every month, and can produce castings with specifications of 5-200 kg.
The company is specializing in producing and selling castings of various specifications, such as: precision castings, auto parts castings, mechanical castings, valve castings, etc. Our company’s product quality is high-quality, and we always adhere to and implement the “quality is the foundation of enterprise survival, and provide users with satisfactory products and services are our CHINAMFG pursuit “quality policy.
The company’s products are all in line with the national standard (GB), with rich varieties and complete specifications. They are widely used in petroleum, chemical, electric power, boiler, ship, machinery and other industries. They have been sold around over the country and have been well received by many customers.

After Sales Service

For after-sale stage, our service team always keep close contact with you and always stand by at your service. Our warranty is 12 months after delivery. If there is any defect about our products and our service, please keep us informed. We will deal with them unconditionally.

FAQ

1) What is your main product?
  Our major products are V-belt pulleys, manhole covers and types of casting parts.
2) Do you have MOQ for your product?
  Normally our MOQ is 1*20 feet container, but if you want to make some trial orders, feel free to contact us.
3) How about your delivery time?
  In hot season it is about 1 month, in slack season it is only about 15 workdays.
4) What is your payment term?
  T/T, L/C, Western Union
5)  Can you send me a price list?
  Of course, pls contact us and get it.
6) Can you provide samples?
  Sure, free samples will be provided, just contact us.

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Certification:ISO
Pulley Sizes:Type B
Processo di produzione:Casting
Materiale:Iron
Trattamento superficiale:Oxygenation
Applicazione:Chemical Industry, Grain Transport, Mining Transport, Power Plant, Agricultural Machine
Esempi:
US$ 50/Piece
1 pezzo (ordine minimo)

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puleggia di distribuzione

In che modo i sistemi di pulegge dentate garantiscono un movimento sincronizzato?

I sistemi di pulegge dentate svolgono un ruolo cruciale nel garantire il movimento sincronizzato in diversi sistemi meccanici. Ecco come i sistemi di pulegge dentate ottengono il movimento sincronizzato:

1. Design dentellato:

Le pulegge di distribuzione presentano denti o scanalature sulla loro circonferenza che si innestano con i denti della cinghia o catena di distribuzione. La dentatura crea un innesto sicuro tra la puleggia e la cinghia o catena, impedendo lo slittamento e mantenendo una sincronizzazione precisa.

2. Cinghie o catene di distribuzione:

Il sistema di pulegge dentate funziona in combinazione con una cinghia o una catena di distribuzione. I denti della cinghia o della catena si innestano con i denti della puleggia, garantendo che il movimento rotatorio venga trasferito con precisione dalla puleggia motrice a quella condotta. L'innesto preciso dei denti permette una sincronizzazione perfetta tra le pulegge.

3. Tono costante:

I denti della cinghia o catena di distribuzione e i corrispondenti denti delle pulegge di distribuzione hanno un passo costante. Il passo si riferisce alla distanza tra i denti e rimane costante per tutta la lunghezza della cinghia o catena. Questo passo costante garantisce che i denti della cinghia o catena si innestino con i denti delle pulegge alla stessa velocità, mantenendo un movimento sincronizzato.

4. Tolleranze di fabbricazione precise:

I sistemi di pulegge dentate sono realizzati con tolleranze ristrette per garantire profili dei denti precisi e dimensioni costanti. I denti delle pulegge e quelli della cinghia o della catena sono progettati per combaciare perfettamente, consentendo un'interazione senza soluzione di continuità e una sincronizzazione precisa. Le elevate tolleranze di fabbricazione contribuiscono all'affidabilità e all'efficienza del sistema.

5. Controllo della tensione:

Un corretto controllo della tensione è fondamentale per ottenere un movimento sincronizzato in un sistema di pulegge dentate. La tensione della cinghia o della catena di distribuzione deve essere regolata correttamente per garantire un innesto ottimale con le pulegge. Tenditori e pulegge folli vengono spesso utilizzati per mantenere la tensione appropriata, assicurando che la cinghia o la catena rimangano saldamente innestate sulle pulegge.

6. Scelta della puleggia e della cinghia/catena più adatte:

La scelta della combinazione appropriata di pulegge e cinghie o catene di distribuzione è fondamentale per ottenere un movimento sincronizzato. Fattori come il diametro della puleggia, il numero di denti, il passo della cinghia o della catena e la scelta del materiale devono essere considerati per soddisfare i requisiti specifici dell'applicazione. Una selezione corretta garantisce che il sistema di pulegge funzioni con una fasatura precisa e un movimento sincronizzato.

7. Manutenzione e ispezione periodiche:

Per garantire una sincronizzazione continua del movimento, è necessaria una manutenzione e un'ispezione regolari del sistema di pulegge di distribuzione. Ciò include il controllo dell'usura, della corretta tensione e dell'allineamento, nonché la sostituzione di eventuali componenti usurati. La manutenzione ordinaria aiuta a identificare e risolvere potenziali problemi che potrebbero compromettere la sincronizzazione del movimento del sistema.

Grazie all'integrazione di un design dentato, cinghie o catene di distribuzione, passo costante, tolleranze di fabbricazione precise, controllo della tensione, selezione di pulegge e cinghie/catene adatte e manutenzione regolare, i sistemi di pulegge di distribuzione garantiscono un movimento sincronizzato nei sistemi meccanici. Questa sincronizzazione è essenziale per una temporizzazione precisa, il coordinamento e il funzionamento efficiente di diverse applicazioni.

puleggia di distribuzione

How are timing pulleys integrated into CNC machines for positioning?

Timing pulleys play a crucial role in CNC (Computer Numerical Control) machines for precise positioning of the tool or workpiece. Here’s an explanation of how timing pulleys are integrated into CNC machines for positioning:

1. Drive System:

In a CNC machine, timing pulleys are often used as part of the drive system. The driving pulley is connected to a motor, typically a stepper motor or a servo motor, which provides rotational power. The driven pulley is connected to the axis or axes responsible for moving the tool or workpiece. The timing belt or chain, meshing with the pulleys, transfers the rotational motion from the motor to the driven pulley, enabling precise positioning.

2. Synchronization:

The primary purpose of timing pulleys in CNC machines is to achieve synchronization between the motor and the axis movement. By using toothed timing belts or chains, the rotational motion from the motor is precisely transferred to the driven pulley. The teeth on the timing belt or chain mesh with the teeth on the pulley, creating a positive engagement that ensures accurate and synchronized movement.

3. Pulley Ratios:

To achieve the desired positioning accuracy, CNC machines often utilize different pulley ratios. By varying the diameter or the number of teeth on the pulleys, the speed and torque of the driven axis can be adjusted. This allows for fine-tuning the positioning performance based on the specific requirements of the CNC application.

4. Multiple Axes:

CNC machines commonly have multiple axes, such as X, Y, and Z axes for three-dimensional movement. Each axis is equipped with its respective timing pulley system. The pulleys and timing belts or chains for each axis are carefully calibrated and synchronized to ensure coordinated movement and precise positioning in all directions.

5. Tensioning and Alignment:

Proper tensioning and alignment of the timing belts or chains are essential for accurate positioning in CNC machines. Adequate tension ensures that the belts or chains maintain the necessary grip and engagement with the pulleys, preventing slippage or backlash. Regular inspection and adjustment of tension and alignment are necessary to maintain optimal positioning performance.

6. Encoder Feedback:

To enhance positioning accuracy, CNC machines often incorporate encoder feedback systems. Encoders provide precise position feedback to the control system, allowing for closed-loop control. The encoder is usually connected to the driven pulley, enabling real-time monitoring and adjustment of the position to ensure accurate positioning during operation.

7. Control System Integration:

The timing pulley systems in CNC machines are integrated into the overall control system. The control software sends commands to the motor, dictating the desired positioning and movement. The control system interprets the input signals, calculates the appropriate motor rotations, and adjusts the timing pulley system to achieve the specified positioning accuracy.

In summary, timing pulleys are integrated into CNC machines for precise positioning by serving as part of the drive system, enabling synchronization between the motor and the driven axis, using pulley ratios to control speed and torque, accommodating multiple axes, ensuring proper tensioning and alignment, incorporating encoder feedback for enhanced accuracy, and integrating with the control system. These mechanisms and considerations work together to achieve the high precision and accuracy required in CNC machining operations.

puleggia di distribuzione

Can you explain the importance of precision in timing pulley systems?

Precision is of utmost importance in timing pulley systems due to the critical nature of their applications. Here’s an explanation of why precision is essential in timing pulley systems:

1. Accurate Timing and Synchronization:

Precision ensures accurate timing and synchronization between the driving and driven components in a mechanical system. Timing pulley systems are commonly used in applications where precise motion control is necessary, such as engines, robotics, CNC machines, and automated systems. Any deviation from the intended timing can lead to errors, malfunctions, or decreased performance in these systems.

2. Consistent Power Transmission:

In a timing pulley system, the teeth on the timing pulley engage with the teeth on the timing belt, creating a positive drive system. Precision in the design and manufacturing of the timing pulley and timing belt ensures consistent power transmission without slippage or backlash. This reliability is crucial in applications that require accurate speed ratios, torque transmission, and consistent performance.

3. Positioning and Indexing Accuracy:

Precision in timing pulley systems allows for precise positioning and indexing of components. The teeth on the timing pulley and belt ensure accurate movement and positioning, enabling repeatable and controlled motion. This is essential in applications such as automated assembly lines, 3D printers, and precision motion control systems, where precise positioning is critical for achieving desired outcomes.

4. Reduced Wear and Maintenance:

Precision in timing pulley systems leads to reduced wear and maintenance requirements. When the teeth of the timing pulley and belt mesh precisely, there is minimal abrasion and elongation of the belt, resulting in increased longevity. Additionally, precise timing and synchronization minimize stress on the system, reducing the need for frequent adjustments and replacements.

5. Noise and Vibration Reduction:

Precision in timing pulley systems helps minimize noise and vibration. When the teeth of the timing pulley and belt are precisely matched, there is a smooth transfer of power, reducing noise generation and vibration. This is particularly important in applications where noise and vibration can affect the performance or comfort of the system, such as in precision instruments or equipment used in quiet environments.

6. System Reliability and Performance:

Precision contributes to the overall reliability and performance of timing pulley systems. Accurate timing, synchronization, and power transmission ensure that the system operates as intended, minimizing the risk of failures, errors, or inefficiencies. Reliable performance is crucial in critical applications where downtime or errors can have significant consequences.

In summary, precision is vital in timing pulley systems to achieve accurate timing and synchronization, consistent power transmission, precise positioning and indexing, reduced wear and maintenance, noise and vibration reduction, and overall system reliability and performance. Attention to precision during the design, manufacturing, installation, and maintenance of timing pulley systems is essential to ensure optimal functionality and meet the specific requirements of the application.

Grossista cinese Spb170-06/Puleggia per cinghia trapezoidale con boccola conica/Puleggia/Rullo trasportatore/Puleggia per cinghia di distribuzione/Ricambi per attrezzature/Puleggia per cinghia/Puleggia scanalata/Puleggia per albero motore standard europeo	Grossista cinese Spb170-06/Puleggia per cinghia trapezoidale con boccola conica/Puleggia/Rullo trasportatore/Puleggia per cinghia di distribuzione/Ricambi per attrezzature/Puleggia per cinghia/Puleggia scanalata/Puleggia per albero motore standard europeo
editor di CX

2024-05-16