Tag Archives: head pulleys

China Hot selling Conveyor Drum Head Pulley/ Conveyor Belt Drive Pulleys pulley belt

Product Description

 

Product Description

The drum is the main component that transmits power. It is divided into 3 types according to their load-carrying capacity: light, medium and heavy.
Light: Bearing aperture 80-100mm, the shaft and hub are single-width plate welded cylinder structure connected by single key.
Medium: Bearing aperture 120-180mm, the shaft and hub are expansion sleeve connection
Heavy: Bearing aperture 200-220mm, the shaft and hub are expansion sleeve connection, and the drum body is cast-welded structure.

Conveyor pulley stays at 2 ends of belt machine. The pulley can be divided into 2 categories: Driving pulley and averting pulley, driving pulley is the main part for transmitting the power and there are 2 kinds of pulley sets: Smooth surface and rubber surface, and rubber surface can be classified into smooth rubber surface, herringbone rubber surface and CHINAMFG rubber surface to meet different technical requirements. Averting pulley can be classified into smooth rubber surface and smooth steel surface.

Detailed Photos

Technical Parameters

Driving Pulley (rubber surface)

Belt Width 

Standard Diameter of Pulley 

500 mm

500mm

650 mm

500mm,630 mm

800 mm

500mm,630mm,800mm,1000mm,1250mm,1400 mm

1000 mm

630mm,800mm,1000mm,1250mm,1400 mm

1200 mm

630mm,800mm,1000mm,1250mm,1400 mm

1400 mm

630mm,800mm,1000mm,1250mm,1400 mm

1600 mm

630mm,800mm,1000mm,1250mm,1400 mm

1800 mm

630mm,800mm,1000mm,1250mm,1400 mm

2000 mm

800mm,1000mm,1250mm,1400 mm

2200 mm

1000mm,1250mm,1400 mm

2400 mm

1000mm,1250mm,1400 mm

Bend Pulley (smooth surface & rubber surface)

Belt Width 

Standard Diameter of Pulley (mm)

500 mm

250,315,400,500

650 mm

250,315,400,500,630 

800 mm

250,315,400,500,630,800,1000,1250

1000 mm

250,315,400,500,630,800,1000,1250,1400

1200 mm

250,315,400,500,630,800,1000,1250,1400

1400 mm

315,400,500,630,800,1000,1250,1400

1600 mm

400,500,630,800,1000,1250,1400

1800 mm

400,500,630,800,1000,1250,1400

2000 mm

500,630,800,1000,1250,1400

2200 mm

630,800,1000,1250,1400

2400 mm

800,1000,1250,1400

 Pulley Standard

Brand 

SPD 

Specification 

SPD-CP-0001

Certificate

ISO/BV/SGS

Standard

CEMA/JIS/DIN/Australia

Application

Coal mining industry, cement, steel, harbour etc.  

Place of Origin 

HangZhou City , ZheJiang  Province , China

Material Feature

Water, Wear, Dust resistance 

Supply capacity 

80pcs/month

Management system 

ISO 9001:2008,ISO 14001:2004,GB/T 28001-2001

Project Performance

Main Equipment & Facilitys
Customer Visit & Exhibition

 

Packaging & Shipping

Company Profile

HangZhou Port Shipbuilding & Machinery Industry Co., Ltd (RPIC) are a comprehensive group enterprise which is engaged in the design, manufacture, installation and maintenance of port bulk-handling equipment. Our company has the Third-level Qualification of Machinery & Electrical Equipment Installation Enterprise and First-Level Qualification of Equipment Maintenance Enterprise. Our company has already passed ISO9002: 2000, ISO14001 and OHSMS18001 system certification.

The business of our company covers the design, manufacture, installation and maintenance of steel structure projects, belt conveyor system projects, port auxiliary equipment, port handling equipment and their accessories. The main products of our company include traveling stackers, running mechanisms of portal cranes, belt conveyors, idler rollers, pulleys, grabs etc.

The products and services of HangZhou Port Machine Engineering Co., Ltd. Spread all over domestic and overseas port industry, electric power industry, metallurgy industry, energy industry, cement industry, food industry, paper industry, etc.
With professional technical teams, exquisite processing equipment, modern management systems and convenient transportation, our company adheres to the business philosophy of “integrity and innovation, working hard to manufacture high quality products and constructe excellent projects, providing customers with value-added services”.

The quality control is carried out throughout the whole production process. We pursue perfection in the design and production of each product. With advanced processing equipment, we are committed to providing superior quality products and services.

RPIC is a leading professional bulk material conveying system equipment supplier. The capacity of conveying equipment can reach 10, 000t/h.

RPIC is a professional equipment installation and maintenance service provider which has the First-level Qualification of the Equipment Maintenance Enterprise.

Our products are well sold to Europe, Australia, America, Asia and African.

We welcome all companies to contact us for business negotiation.

Our EPC Conveying System Project

our certification

FAQ

Q1:Can you send samples? A:Of course, we can provide customers with free samples but customer should pay the courier fee.
Q2:What product information do I need to provide? A:Please kindly provide the grade, width, thickness, surface treatment requirement  and quantities you need to purchase
Q3:What is your terms of payment ? A: 30% T/T in advance ,balance before shipment or 100% LC at sight.
Q4.Do you provide customer made Products service? A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q5:How long does your delivery time take? A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q6: How many countries you already exported to? A:We have exported to America, Canada, Brazil, Chile, Colombia, Thailand, Myanmar, Vietnam,  and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble
Q7:Can I go to your factory to visit? A:Of course, we welcome customers from all over the world to visit our factory
Q8:Does the product have quality inspection before loading? A:Of course, all our products are strictly tested for quality before packaging,  customers can appoint third parties to inspect the products before loading too
Q9:How to pack the products? A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during CHINAMFG transportation
Q10:What is your working time? A:In general, our online service time is ZheJiang time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.

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Material: Steel
Application: Chemical Industry, Grain Transportation, Mining Transport, Power Plant
Structure: Spring Plate Type Roller
Customization:
Available

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Customized Request

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Shipping Cost:

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about shipping cost and estimated delivery time.
Payment Method:







 

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

spring pulley

How are spring pulleys used in the production of electronics and semiconductors?

In the production of electronics and semiconductors, spring pulleys play critical roles in various manufacturing processes. Here’s how spring pulleys are used in the production of electronics and semiconductors:

  1. Tape and Reel Systems: Spring pulleys are commonly used in tape and reel systems, which are used for packaging electronic components such as integrated circuits (ICs), resistors, capacitors, and surface-mount devices (SMDs). The spring pulleys help guide and control the movement of carrier tapes, ensuring precise positioning and alignment of the components during the packaging process.
  2. Automated Handling Systems: Spring pulleys are employed in automated handling systems used in semiconductor manufacturing. These systems transport wafers, substrates, and other delicate components through various stages of the production line. The pulleys, along with belts or conveyors, provide the necessary power transmission and motion control, ensuring smooth and accurate movement of the components.
  3. Wire Bonding Machines: Wire bonding is a critical process in semiconductor manufacturing that involves connecting fine wires between the chip and the package. Spring pulleys are utilized in the wire bonding machines to guide and tension the bonding wires. They ensure precise positioning and tension control during the wire bonding process, contributing to the quality and reliability of the electrical connections.
  4. Printed Circuit Board (PCB) Assembly: Spring pulleys are used in PCB assembly equipment to facilitate the precise alignment and movement of the PCBs during the soldering and assembly processes. They assist in guiding the PCBs through the various stages of assembly, such as component placement, solder paste application, and reflow soldering, ensuring accurate positioning and efficient production.
  5. Testing and Inspection Equipment: Spring pulleys play a role in testing and inspection equipment used in electronics and semiconductor production. They are utilized in conveyors or handling systems that transport the devices or components through testing stations or inspection stations. The pulleys help maintain controlled movement and positioning of the devices, ensuring accurate testing and inspection results.

Overall, spring pulleys are integral components in the production of electronics and semiconductors. They are utilized in tape and reel systems, automated handling systems, wire bonding machines, PCB assembly equipment, testing, and inspection equipment. By providing precise movement control, alignment, and tensioning, spring pulleys contribute to the efficiency, accuracy, and reliability of the manufacturing processes in the electronics and semiconductor industries.

spring pulley

What safety considerations should be kept in mind when using spring pulleys?

When using spring pulleys, it is essential to prioritize safety to prevent accidents, injuries, and equipment damage. Several safety considerations should be kept in mind to ensure the proper and safe operation of spring pulleys. Let’s explore these safety considerations:

1. Operator Training and Awareness: Proper training and awareness of the operators are crucial for the safe use of spring pulleys. Operators should receive appropriate training on the operation, maintenance, and safety procedures related to the pulley system. They should be familiar with the potential hazards, safety guidelines, and emergency protocols. Adequate training and awareness ensure that operators understand how to operate the pulleys safely and respond to any potential safety issues effectively.

2. Protective Equipment: The use of appropriate personal protective equipment (PPE) is essential when working with spring pulleys. Depending on the specific application and associated hazards, operators may need to wear safety goggles, gloves, hearing protection, or other protective gear. PPE helps safeguard operators from potential injuries caused by flying debris, noise, vibrations, or contact with moving parts of the pulley system.

3. Regular Maintenance and Inspections: Regular maintenance and inspections are crucial for the safe operation of spring pulleys. Scheduled inspections should be conducted to identify any signs of wear, damage, or malfunction in the pulley system. Routine maintenance, including lubrication and adjustment of components, should be performed as per the manufacturer’s guidelines. Prompt repairs or replacements should be carried out for any faulty or worn-out parts to prevent accidents and ensure the pulleys operate safely and efficiently.

4. Load Limitations: It is vital to adhere to the load limitations specified by the manufacturer for spring pulleys. Overloading the pulleys can lead to excessive stress, premature failure, or loss of control, posing a safety risk. Operators should be aware of the maximum load capacity of the pulleys and ensure that the loads applied fall within the recommended limits. Using additional safety measures such as load limit indicators or alarms can also help prevent overloading and enhance safety.

5. Proper Installation and Alignment: Correct installation and alignment of spring pulleys are critical for safe operation. Improper installation can result in misalignment, belt slippage, or excessive vibration, leading to safety hazards. It is important to follow the manufacturer’s instructions and guidelines when installing the pulleys. Proper alignment ensures smooth and efficient belt operation, reducing the risk of accidents and enhancing overall system safety.

6. Guarding and Enclosures: Depending on the application and associated risks, appropriate guarding and enclosures should be implemented to prevent accidental contact with moving parts of the pulley system. Guards can help protect operators from potential entanglement, pinch points, or projectiles. Safety enclosures may be necessary to shield the pulleys and belts, particularly in high-risk environments or when working with large or complex systems.

7. Emergency Stop and Lockout/Tagout: An emergency stop mechanism should be in place to immediately halt the operation of the spring pulleys in case of an emergency or hazardous situation. Operators should be trained on how to activate the emergency stop and be aware of its location. Additionally, lockout/tagout procedures should be followed during maintenance or repair activities to ensure that the pulleys are de-energized and cannot be inadvertently started, preventing potential accidents or injuries.

8. Environmental Considerations: Environmental factors such as temperature, humidity, or the presence of hazardous substances should be taken into account when using spring pulleys. If the pulleys are exposed to extreme conditions or corrosive environments, appropriate precautions should be implemented, such as selecting suitable materials, applying protective coatings, or ensuring proper ventilation. Considering the environmental factors helps maintain the integrity and safety of the pulley system.

9. Documentation and Safety Guidelines: All relevant documentation, including the manufacturer’s instructions, safety guidelines, and maintenance records, should be readily available and accessible to operators and maintenance personnel. Clear and concise safety procedures and guidelines should be established and communicated to all individuals involved in the operation and maintenance of the pulley system. Regular safety meetings and updates can help reinforce safe practices and ensure ongoing compliance with safety protocols.

In summary, when using spring pulleys, it is crucial to prioritize safety by providing adequate operator training, using appropriate protective equipment, conducting regular maintenance and inspections, adhering to load limitations, ensuring proper installation and alignment, implementing guarding and enclosures, incorporating emergency stop and lockout/tagout procedures, considering environmental factors, and maintaining proper documentation and safety guidelines. By following these safety considerations, the risks associated with spring pulley operation can be minimized, promoting a safe working environment and preventing accidents and injuries.</p

What safety considerations should be kept in mind when using spring pulleys?

When using spring pulleys, it is essential to prioritize safety to prevent accidents, injuries, and equipment damage. Several safety considerations should be kept in mind to ensure the proper and safe operation of spring pulleys. Let’s explore these safety considerations:

  1. Operator Training and Awareness: Proper training and awareness of the operators are crucial for the safe use of spring pulleys. Operators should receive appropriate training on the operation, maintenance, and safety procedures related to the pulley system. They should be familiar with the potential hazards, safety guidelines, and emergency protocols. Adequate training and awareness ensure that operators understand how to operate the pulleys safely and respond to any potential safety issues effectively.
  2. Protective Equipment: The use of appropriate personal protective equipment (PPE) is essential when working with spring pulleys. Depending on the specific application and associated hazards, operators may need to wear safety goggles, gloves, hearing protection, or other protective gear. PPE helps safeguard operators from potential injuries caused by flying debris, noise, vibrations, or contact with moving parts of the pulley system.
  3. Regular Maintenance and Inspections: Regular maintenance and inspections are crucial for the safe operation of spring pulleys. Scheduled inspections should be conducted to identify any signs of wear, damage, or malfunction in the pulley system. Routine maintenance, including lubrication and adjustment of components, should be performed as per the manufacturer’s guidelines. Prompt repairs or replacements should be carried out for any faulty or worn-out parts to prevent accidents and ensure the pulleys operate safely and efficiently.
  4. Load Limitations: It is vital to adhere to the load limitations specified by the manufacturer for spring pulleys. Overloading the pulleys can lead to excessive stress, premature failure, or loss of control, posing a safety risk. Operators should be aware of the maximum load capacity of the pulleys and ensure that the loads applied fall within the recommended limits. Using additional safety measures such as load limit indicators or alarms can also help prevent overloading and enhance safety.
  5. Proper Installation and Alignment: Correct installation and alignment of spring pulleys are critical for safe operation. Improper installation can result in misalignment, belt slippage, or excessive vibration, leading to safety hazards. It is important to follow the manufacturer’s instructions and guidelines when installing the pulleys. Proper alignment ensures smooth and efficient belt operation, reducing the risk of accidents and enhancing overall system safety.
  6. Guarding and Enclosures: Depending on the application and associated risks, appropriate guarding and enclosures should be implemented to prevent accidental contact with moving parts of the pulley system. Guards can help protect operators from potential entanglement, pinch points, or projectiles. Safety enclosures may be necessary to shield the pulleys and belts, particularly in high-risk environments or when working with large or complex systems.
  7. Emergency Stop and Lockout/Tagout: An emergency stop mechanism should be in place to immediately halt the operation of the spring pulleys in case of an emergency or hazardous situation. Operators should be trained on how to activate the emergency stop and be aware of its location. Additionally, lockout/tagout procedures should be followed during maintenance or repair activities to ensure that the pulleys are de-energized and cannot be inadvertently started, preventing potential accidents or injuries.
  8. Environmental Considerations: Environmental factors such as temperature, humidity, or the presence of hazardous substances should be taken into account when using spring pulleys. If the pulleys are exposed to extreme conditions or corrosive environments, appropriate precautions should be implemented, such as selecting suitable materials, applying protective coatings, or ensuring proper ventilation. Considering the environmental factors helps maintain the integrity and safety of the pulley system.
  9. Documentation and Safety Guidelines: All relevant documentation, including the manufacturer’s instructions, safety guidelines, and maintenance records, should be readily available and accessible to operators and maintenance personnel. Clear and concise safety procedures and guidelines should be established and communicated to all individuals involved in the operation and maintenance of the pulley system. Regular safety meetings and updates can help reinforce safe practices and ensure ongoing compliance with safety protocols.

In summary, when using spring pulleys, it is crucial to prioritize safety by providing adequate operator training, using appropriate protective equipment, conducting regular maintenance and inspections, adhering to load limitations, ensuring proper installation and alignment, implementing guarding and enclosures, incorporating emergency stop and lockout/tagout procedures, considering environmental factors, and maintaining proper documentation and safety guidelines. By following these safety considerations, the risks associated with spring pulley operation can be minimized, promoting a safe working.

spring pulley

Can you explain the key components and design features of a spring pulley?

A spring pulley, also known as a pulley with a built-in spring or a spring-loaded pulley, is a specialized type of pulley that incorporates a spring mechanism. This design feature provides additional tension and flexibility in various mechanical systems. Let’s explore the key components and design features of a spring pulley:

1. Pulley Wheel: The pulley wheel is the primary component of a spring pulley. It is typically a cylindrical or disk-shaped wheel with a groove or channel along its circumference. The groove is designed to accommodate a belt, rope, or cable, allowing it to wrap around the pulley. The pulley wheel provides a surface for the belt or cable to make contact and facilitates the transfer of force or motion.

2. Spring Mechanism: The spring mechanism is the defining feature of a spring pulley. It consists of a coiled spring that is integrated into the pulley assembly. The spring is usually positioned inside the pulley wheel or connected to the pulley housing. The spring is designed to exert a specific amount of force or tension, which can be adjustable or preset based on the application requirements. The spring mechanism allows the pulley to automatically adjust tension and compensate for variations in load, belt stretch, or system dynamics.

3. Tension Adjustment: Many spring pulleys feature a tension adjustment mechanism. This allows the user to fine-tune or modify the tension provided by the spring. Tension adjustment may involve adjusting the position or compression of the spring, changing the spring’s initial tension, or utilizing additional mechanisms such as set screws or locking nuts to modify the spring force. The tension adjustment feature enables customization and optimization of the pulley’s performance to suit specific operating conditions or load requirements.

4. Bearing or Bushing: A spring pulley often incorporates a bearing or bushing system to facilitate smooth rotation of the pulley wheel. The bearing or bushing reduces friction between the pulley wheel and its mounting structure, allowing the pulley to rotate with minimal resistance. This ensures efficient power transmission, reduces wear on the pulley and associated components, and enhances the overall performance and lifespan of the spring pulley.

5. Mounting and Housing: The spring pulley is typically mounted within a housing or frame. The housing provides structural support and serves as a protective enclosure for the pulley components. It helps maintain the alignment of the pulley wheel, secures the spring mechanism, and may include attachment points for installation or integration into the mechanical system. The design of the housing may vary depending on the specific application and the type of spring pulley used.

6. Materials and Construction: Spring pulleys are commonly constructed from durable and corrosion-resistant materials such as steel, aluminum, or various types of plastics. The choice of materials depends on factors such as the load capacity, environmental conditions, and desired weight or cost considerations. The pulley components are typically manufactured using precision machining or casting processes to ensure dimensional accuracy and proper functionality.

7. Application-Specific Features: In addition to the key components mentioned above, spring pulleys may incorporate various application-specific features. For example, they may include flanges or guides to prevent belt or cable slippage, integrated sensors or indicators to monitor tension or position, or additional mechanisms for engagement or disengagement of the pulley. These features are designed to enhance the performance, safety, and functionality of the spring pulley in specific applications.

These key components and design features collectively contribute to the functionality and versatility of a spring pulley. By incorporating a spring mechanism, the pulley can dynamically adjust tension, compensate for variations, and provide consistent force or motion transmission in mechanical systems.

China Hot selling Conveyor Drum Head Pulley/ Conveyor Belt Drive Pulleys   pulley belt	China Hot selling Conveyor Drum Head Pulley/ Conveyor Belt Drive Pulleys   pulley belt
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