China Standard SPA63-02/Belt Pulley/Auto Spare Part/Conveyor Roller/Groove Pulley/Gear/Belt Conveyor/Transmission Gear/V-Belt Pulley/Casting Pulley with Taper Bushing crankshaft pulley

Opis produktu

Opis produktu

V-belt pulley introduce:
V- Belt pulley of different types (according to type and width of belts). The material used is cast iron EN-GJL-250 CHINAMFG EN 1561, and for some types it is steel C45 E CHINAMFG EN 10083-1. Moreover the common types are available also with taper lock bore.
V belt pulley specifications
·  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

Parametry produktu

Certifications

Opakowanie i wysyłka

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

Profil firmy

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.

Często zadawane pytania

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.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Can pulleys be used in both simple and complex mechanical systems?

Yes, pulleys can be used in both simple and complex mechanical systems. Pulleys are versatile mechanical devices that can be incorporated into a wide range of systems to transmit power, change direction, or provide mechanical advantage.

In simple mechanical systems, pulleys are often used to create a mechanical advantage by reducing the effort force required to lift or move a load. For example, a simple pulley system with a single fixed pulley can distribute the load's weight over multiple strands of rope or cable, reducing the force needed to lift the load. Simple pulley systems are commonly used in applications such as flagpoles, well buckets, or manual hoists.

In more complex mechanical systems, pulleys can be part of intricate arrangements to achieve specific functions. They can be combined with multiple pulleys, belts or ropes, and other mechanical components to create complex systems for power transmission, tensioning, or precise control. Examples of complex systems that utilize pulleys include conveyor belt systems, industrial machinery, cranes, and elevators.

Pulleys offer several advantages in both simple and complex mechanical systems:

1. Mechanical Advantage: Pulleys can provide a mechanical advantage by distributing the load's weight over multiple strands of rope or belt, reducing the effort force required to lift or move the load.

2. Direction Change: Pulleys can change the direction of the force applied, allowing for redirection of motion or routing of belts or ropes around obstacles.

3. Speed Adjustment: By adjusting the size of pulleys and the number of pulley systems, the speed of the output motion can be modified relative to the input motion.

4. Power Transmission: Pulleys are effective in transmitting power between shafts or components, allowing for the transfer of rotational motion and torque.

5. Versatility: Pulleys can be used with different types of belts or ropes, such as flat belts, V-belts, timing belts, or wire ropes, providing flexibility in design and application.

Whether in simple or complex mechanical systems, the selection, arrangement, and sizing of pulleys should be carefully considered to ensure proper functionality, efficiency, and safety. Manufacturers' guidelines, engineering principles, and best practices should be followed when incorporating pulleys into mechanical systems.

What is the importance of proper pulley alignment and tensioning?

Proper pulley alignment and tensioning are critical factors in ensuring the efficient and reliable operation of pulley systems. They play a significant role in maximizing power transmission, minimizing wear and tear, and maintaining the overall performance and longevity of the system. Here's the importance of proper pulley alignment and tensioning:

1. Power Transmission Efficiency:

Proper pulley alignment and tensioning ensure optimal power transmission efficiency. When pulleys are misaligned or belts/chains are improperly tensioned, energy is wasted due to increased friction and slippage. This results in decreased power transfer and reduced system efficiency. By aligning the pulleys parallel to each other and applying the correct tension to the belts or chains, the system can achieve maximum power transmission, minimizing energy losses.

2. Belt/Chain Longevity:

Correct pulley alignment and tensioning contribute to the longevity of belts and chains. Misalignment and inadequate tension can cause uneven wear, excessive stretching, and premature failure of the belts or chains. Proper alignment and tension distribute the load evenly across the belts or chains, reducing stress and extending their lifespan. This helps to avoid unplanned downtime, maintenance costs, and the need for frequent belt/chain replacements.

3. Reduced Noise and Vibration:

Improper pulley alignment and tensioning can lead to increased noise and vibration in the system. Misaligned pulleys or loose belts/chains can cause excessive vibration, resulting in noise, equipment damage, and discomfort to operators or nearby personnel. Proper alignment and tensioning help minimize vibration, ensuring quieter operation and a more comfortable working environment.

4. System Reliability and Safety:

Proper alignment and tensioning contribute to the overall reliability and safety of pulley systems. Misaligned pulleys or loose belts/chains can lead to unexpected failures, breakdowns, or accidents. Over-tensioning can also cause excessive stress on components and increase the risk of system failures. By maintaining proper alignment and tension, the system operates within its design parameters, reducing the likelihood of unexpected failures and ensuring the safety of operators and equipment.

5. Improved Performance:

Correct pulley alignment and tensioning enhance the overall performance of the system. Properly tensioned belts or chains provide better grip and traction, allowing for smoother and more precise movement of the driven components. This results in improved speed control, reduced slippage, and enhanced accuracy in applications such as conveyor systems, machine tools, and automotive engines.

6. Maintenance and Cost Savings:

Proper pulley alignment and tensioning can lead to significant maintenance and cost savings. Well-aligned pulleys and correctly tensioned belts or chains experience less wear and require fewer adjustments. This reduces the frequency of maintenance tasks, such as belt/chain replacements, realignments, and re-tensioning. Additionally, by maximizing power transmission efficiency and minimizing wear, proper alignment and tensioning help reduce energy consumption and lower operating costs.

In conclusion, proper pulley alignment and tensioning are crucial for achieving optimal power transmission efficiency, prolonging the lifespan of belts or chains, reducing noise and vibration, ensuring system reliability and safety, improving performance, and realizing maintenance and cost savings. It is essential to follow manufacturer guidelines and perform regular inspections and adjustments to maintain proper alignment and tension in pulley systems.

Czym różni się koło pasowe stałe od koła pasowego ruchomego?

Stały krążek i ruchomy krążek to dwa różne rodzaje krążków, które różnią się konstrukcją i funkcjonalnością. Oto szczegółowe wyjaśnienie ich różnic:

1. Konstrukcja i mocowanie: Stały krążek jest przymocowany do nieruchomej konstrukcji, takiej jak sufit lub ściana, za pomocą wspornika montażowego lub innych środków. Pozostaje on nieruchomy i nie porusza się podczas pracy. Natomiast ruchomy krążek jest przymocowany do ładunku, który jest przenoszony i porusza się wraz z nim. Zazwyczaj jest zawieszony na linie lub kablu i może swobodnie poruszać się w górę i w dół.

2. Zaleta mechaniczna: Jeśli chodzi o przewagę mechaniczną, stały bloczek nie zapewnia żadnej przewagi. Zmienia kierunek siły przyłożonej, ale nie zmniejsza wysiłku wymaganego do podniesienia ładunku. Z drugiej strony ruchomy bloczek zapewnia przewagę mechaniczną, zmniejszając wysiłek potrzebny do podniesienia ładunku. Rozprowadza obciążenie między segmentami liny przymocowanymi do ruchomego bloczka i stałego punktu, ułatwiając podnoszenie ciężkich przedmiotów.

3. Dystrybucja siły: W przypadku stałego koła pasowego siła przyłożona do jednego końca liny lub pasa jest przekierowywana w celu zmiany kierunku siły. Ładunek jest podnoszony poprzez pociągnięcie przeciwległego końca liny. W tym przypadku siła wymagana do podniesienia ładunku jest równa wadze samego ładunku. W przypadku ruchomego koła pasowego ładunek jest przymocowany do samego ruchomego koła pasowego. Siła wymagana do podniesienia ładunku jest zmniejszona, ponieważ waga ładunku jest rozłożona pomiędzy segmentami liny przymocowanymi do ruchomego koła pasowego i punktu stałego.

4. Zmiana kierunku: Zarówno stałe, jak i ruchome koła pasowe są w stanie zmienić kierunek przyłożonej siły. Jednak podstawową funkcją stałego koła pasowego jest zmiana kierunku siły, podczas gdy ruchome koło pasowe łączy zmianę kierunku siły z mechaniczną przewagą. Ruchome koło pasowe pozwala operatorowi wywierać siłę w wygodniejszym kierunku, wymagając jednocześnie mniejszego wysiłku, aby podnieść ładunek.

5. Zastosowania: Stałe bloczki są powszechnie stosowane w połączeniu z innymi bloczkami w celu tworzenia bardziej złożonych systemów, takich jak układy bloków i wciągników. Są często stosowane w scenariuszach, w których głównym celem jest zmiana kierunku siły. Z drugiej strony ruchome bloczki są często stosowane w systemach, które wymagają mechanicznej przewagi lub zmniejszenia wysiłku potrzebnego do podnoszenia ciężkich przedmiotów. Są często spotykane w zastosowaniach takich jak systemy podnoszenia, dźwigi i windy.

Ogólnie rzecz biorąc, kluczowe różnice między stałym krążkiem a ruchomym krążkiem leżą w ich konstrukcji, przewadze mechanicznej, rozkładzie siły i zastosowaniach. Podczas gdy stały krążek przede wszystkim zmienia kierunek siły, ruchomy krążek łączy zmianę kierunku siły z przewagą mechaniczną, ułatwiając podnoszenie ciężkich ładunków.

redaktor przez CX