China best Carrying Idlers with Frame, Return Idlers, Idler Sets for Belt Conveyors

Product Description

1. The pulley can be divided into driving pulley (head pulley) and thurnabout pulley (tail pulley), driving pulley is the main part for transmitting the power : 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.
According to the structure style, the 2 type pulley can be divided into 3 light duty, medium duty and heavy duty.
All the pulley adopt integrated bearing housing which is lubricated and filled with grease and has 2 kinds: iron casting and steel casting, the shaft is made of 45#steel, the shell adopt weld assembly.
Based on the above design, the pulley is reasonably structured, convenient type selected, performance reliable, long life time.
Our pulleys are of stable structure, good performance and long operating life. They can work normally in dusty, wet and muddy environment.

2. Outer diameter deviation of Drive pulley(mm)

Pulley diameter ≤400 >400~1000 >1000
The Maximum Deviation 0~1.50 0~2.0 0~2.5

3. Radial Runout of roller excircle(mm)

Pulley diameter ≤800 >800~1600 >1600
Cover pulley 0.6 1.0 1.5
Non- cover pulley 1.1 1.5 2.0

4. Range of Production
Diameters of pulley (mm): 200/250/315/320/400/500/630/800/1000/1200/1250
Length of pulley depends on the width of conveyor belt.
The width Range of conveyor belt (mm): 500/650/800/1000/1200/1400
Applications: Used in the steel industry, harbor, coal industry, power industry, cements industry, and more.

Description CEMA,  DIN, JIS, AS, SABS, ISO Standard Design & JXIHU (WEST LAKE) DIS. ODM
Pipe 1)  Material : Q235 carbon steel equal to DIN S235JR
2)  Roller Diameter : φ50mm ~ φ219mm / 2 inch ~ 8 5/8 inch
3)  Roller Length:  150mm ~ 3000 mm
4)  Thickness : 3.0 ~6.0 mm
Shaft 1)  Material : 45# steel equal to DIN C45
2)  Cold-drawn bright round steel
3)  Shaft Diameter:  20mm,  25mm,  30mm, 40mm, 45mm, 50mm
Bearing 1)  Single Row Deep Groove Ball Bearing 2RS&ZZ with C3 clearance
2)  Brand: SKF,FAG,NSK,HRB, LYC, CHINAMFG or according to your requirement
Bearing Housing 1)  Material : Q235 carbon steel equal to DIN S235JR
2)  Cold press working fit ISO M7 accuracy
3)  Material thickness: 2.5mm ~ 5.0mm
Seals 1)  Labyrinth seal, nylon 6 material
2)  JXIHU (WEST LAKE) DIS.'s patented product
Grease 2# Lithium grease lubricant
Painting 1)  Ordinary painting, hot galvanized painting, Powder painting
2)  Color: Black, red, yellow, blue or according to your requirement

Structure: Conveyor System
Material: Carbon Steel
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
Condition: New
Transport Package: Wooden Cases
Specification: diameter from 50mm to 219mm
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Customization:
Available

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ratchet wheel

Can you explain the impact of ratchet wheels on the overall safety of mechanical systems?

Ratchet wheels play a crucial role in enhancing the overall safety of mechanical systems in various applications. Their impact on safety can be summarized as follows:

  • 1. Preventing Unintended Backdriving: One of the primary safety benefits of ratchet wheels is their ability to prevent unintended backdriving or reverse motion. When a pawl or catch mechanism engages with the teeth of the ratchet wheel, it locks the wheel in place, ensuring that the system does not move in the undesired direction. This feature is especially important in applications where maintaining a specific position or preventing sudden movement is critical for safety.
  • 2. Controlled Motion: Ratchet wheels provide controlled and incremental motion, allowing users to make precise adjustments or movements. This controlled motion is essential in applications where precise positioning or controlled advancement is necessary for safety reasons, such as in medical devices, manufacturing equipment, or safety mechanisms.
  • 3. Safety Interlocks: Ratchet wheels are often used in safety interlock systems where certain conditions must be met for a system to operate safely. For example, in industrial machinery, a ratchet wheel and pawl mechanism can be part of an interlock system that ensures equipment remains stationary until specific safety conditions are met, reducing the risk of accidents.
  • 4. Load Handling and Securement: In load handling and securement applications, such as winches and tie-down straps, ratchet wheels help maintain tension and prevent slack. This contributes to the safe transportation of loads, reducing the risk of load shifts or accidents during transit.
  • 5. Emergency Stop Systems: Ratchet wheels are employed in emergency stop systems to ensure that once the system is activated, it remains in a safe state until intentionally reset. This safety feature is vital in machinery and equipment where rapid shutdown is necessary to prevent hazards.
  • 6. Reliability and Predictability: Ratchet wheels offer reliability and predictability in their operation. Users can apply force or torque in the desired direction with confidence, knowing that the ratchet mechanism will engage and prevent unexpected movement. This predictability enhances the overall safety of the system.
  • 7. Versatility in Safety Applications: Ratchet wheels find application in a wide range of safety-critical systems, including vehicle handbrakes, safety gates, medical devices, and more. Their ability to provide controlled and secure motion makes them versatile components in various safety applications.

In summary, ratchet wheels contribute significantly to the safety of mechanical systems by preventing unintended movement, providing controlled motion, enabling safety interlocks, and enhancing reliability. Their presence in safety-critical applications helps reduce the risk of accidents and ensures that systems operate safely and predictably.

ratchet wheel

How do ratchet wheels contribute to the precision and repeatability of certain applications?

Ratchet wheels play a pivotal role in enhancing precision and repeatability in various applications by providing controlled and incremental motion. Their contributions to precision and repeatability can be explained as follows:

  • 1. Controlled Movement: Ratchet wheels are designed to engage with pawls or catches in a way that allows them to move in only one direction while preventing backward movement. This controlled movement ensures that adjustments, increments, or positioning occur with a high degree of accuracy.
  • 2. Incremental Adjustments: In applications where precision is crucial, such as in manufacturing, assembly, or calibration equipment, ratchet wheels enable users to make incremental adjustments or movements. This precision allows for fine-tuning and achieving the exact desired outcome.
  • 3. Consistency and Repeatability: Ratchet mechanisms, including ratchet wheels, provide a consistent and repeatable motion. Users can reliably achieve the same result repeatedly, ensuring product consistency in manufacturing or consistent positioning in various tasks.
  • 4. Safety and Position Locking: Ratchet wheels are commonly used in safety-critical applications where specific positions must be securely locked. This locking feature not only enhances safety but also ensures that a particular setting or position remains precise and repeatable.
  • 5. Indexing and Positioning: In applications like indexing tables or machinery requiring precise indexing or positioning, ratchet wheels enable accurate and repeatable alignment of components or workpieces. This is essential for processes such as drilling, milling, or assembly.
  • 6. Calibration and Measurement: Ratchet mechanisms are utilized in calibration equipment to allow for precise adjustments of measuring instruments. This contributes to the accuracy and repeatability of measurements, which is critical in scientific, laboratory, and metrology applications.
  • 7. Safety Interlocks: Ratchet wheels are often part of safety interlock systems that require specific conditions to be met before certain operations can proceed. This ensures that critical safety protocols are consistently followed.
  • 8. Reliability in Emergency Systems: Ratchet mechanisms are incorporated into emergency systems where reliability and repeatability are paramount. For example, emergency stop systems rely on the repeatability of ratchet wheels to ensure consistent and immediate shutdown of machinery.
  • 9. Reducing Human Error: In applications where human operators are involved, ratchet wheels help reduce the likelihood of errors. The controlled and incremental motion they provide minimizes the risk of overshooting or undershooting desired settings.

In summary, ratchet wheels contribute to precision and repeatability by enabling controlled and incremental motion, ensuring consistent and repeatable results, and enhancing safety in various applications across industries.

ratchet wheel

How does the design of a ratchet wheel contribute to its efficiency and reliability?

The design of a ratchet wheel is critical to its efficiency and reliability in various applications. The following design elements contribute to the effectiveness of ratchet wheels:

  • 1. Tooth Profile: The shape and profile of the teeth on a ratchet wheel are crucial. Teeth are typically angled to allow easy engagement with the pawl or catch mechanism when force is applied in the desired direction. The angle of the teeth ensures efficient and secure movement in one direction while preventing backward motion.
  • 2. Material Selection: The choice of materials for the ratchet wheel affects its durability and reliability. Ratchet wheels are commonly made of strong and wear-resistant materials such as hardened steel or alloy metals. High-quality materials ensure the wheel can withstand the forces and wear associated with its intended application.
  • 3. Tooth Size and Spacing: The size and spacing of the teeth on a ratchet wheel are designed to optimize performance. Smaller teeth allow for finer control and incremental movement, while larger teeth provide stronger engagement for heavier loads. Proper tooth spacing ensures smooth and reliable operation.
  • 4. Pawl Design: The design of the pawl or catch mechanism that engages with the ratchet wheel is equally important. The pawl should have a pointed end that effectively grips the teeth when engaged. It should also release easily when force is applied in the opposite direction to allow smooth and reliable operation.
  • 5. Lubrication and Maintenance: Adequate lubrication of the ratchet wheel and pawl is essential for reducing friction and wear. Regular maintenance, including cleaning and re-lubrication, ensures the efficient functioning of the ratchet mechanism over time.
  • 6. Load Capacity: The design of the ratchet wheel must align with the intended load capacity of the application. Heavier loads may require larger and more robust ratchet wheel designs with deeper teeth to withstand greater forces without slipping.
  • 7. Durability and Corrosion Resistance: In applications where exposure to harsh environments or moisture is a concern, ratchet wheels may incorporate coatings or materials that enhance corrosion resistance. This contributes to their long-term reliability.

The combination of these design considerations ensures that a ratchet wheel can efficiently transmit motion in one direction while effectively locking to prevent reverse movement. Proper design contributes to the overall efficiency, reliability, and safety of mechanical systems and tools that rely on ratchet mechanisms.

China best Carrying Idlers with Frame, Return Idlers, Idler Sets for Belt Conveyors  China best Carrying Idlers with Frame, Return Idlers, Idler Sets for Belt Conveyors
editor by CX 2023-12-06