China wholesaler Premium Quality Conveyor Steel Roller Idler for Sand

Product Description

Product Description

 

Specification

D(mm)

L(mm)

Bearing model

89

180,190,200,235,240,250,275,280,305,215,350,375,380,455,465,600,750,950,1150

204

108

190,200,240,250,305,315,360,375,380,455,465,525,530,600,700,750,790,800,950,1150,1400,1600

133

305,375,380,455,465,525,530,600,700,750,790,800,900,950,1000,1100,1150,1400,1600,1800,2000,2200

159

375,380,455,465,525,530,600,700,750,790,800,900,1000,1050,1100,1120,1150,1250,1400,1500,1600,1700,
1800,2000,2200,2500,2800,3000,3150

193.7

2200,2500,2800,3000,3150,3350

308 310

217

600,640,1050,1120,1600,1700,3150,3350

308 310

D(mm)

L(mm)

Bearing model

89

190,200,230,240,280,305,315,375,380,455,465,600,750,950,1150

204

108

190,200,240,250,305,315,375,380,455,465,525,600,700,750,800,950,1150,1400

205

133

305,350,375,380,455,525,530,600,700,790,800,950,1150,1400,1600

305

159

375,380,455,465,525,600,630,640,670,700,750,790,800,900,950,1050,1120,1150,1400,1600

306    308

D(mm)

L(mm)

Bearing model

89

315,380,465,600,750,950,1150

204

108

315,380,465,600,700,750,790,950,1150,1400,1600

205

133

465,600,700,750,790,800,900,950,1000,1100,1150,1400,1600,1800,2000,2200

305  308

159

600,700,790,800,900,950,1000,1050,1100,1120,1150,1250,1400,1500,1700,1800,2000,2500,2800,3000,3150

306  308

193.7

1100,1250,1400,1500,1600,1700,2200,2500,2800,3000,3150

308

219

2200,2500,2800,3000,3150

310

 

Applications

 

 

Company Information

FAQ

Q1. Can I have a sample order for conveyor roller
Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
1) 2--3 days for sample
2) 20--30 days for mass production. If urgent,we have green channel.
Q3. Do you have any MOQ limit for conveyor roller order?
Low MOQ, 1pc for sample checking is available
Q4. Is it OK to print my logo on conveyor roller product?
Yes. Please inform us your logo or design before mass production
Q5. How to guarantee your quality?
We are 1 of the top suppliers of International famous mining company over years. Excellent quality is well accepted.
Please contact us for more details.

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Material: Steel
Application: Chemical Industry, Grain Transportation, Mining Transport
Structure: Ordinary Roller
Bearing Type: KA Retainer Bearing
Type: Conveyor Cleaning Roller
Color: Red & Black
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

ratchet wheel

How does the choice of materials impact the durability and performance of ratchet wheels?

The choice of materials significantly impacts the durability and performance of ratchet wheels in mechanical systems. Different materials offer varying levels of strength, wear resistance, and corrosion resistance, influencing how well the ratchet wheel performs over time. Here's how material selection affects ratchet wheel characteristics:

  • 1. Strength and Load Capacity: The material of a ratchet wheel determines its strength and load-bearing capacity. High-strength materials like hardened steel or alloy steel are often chosen for heavy-duty applications, as they can withstand substantial loads without deformation or failure.
  • 2. Wear Resistance: Ratchet wheels are subject to wear and friction as they engage with pawls or catches. Materials with excellent wear resistance, such as hardened steel or materials with special coatings, can prolong the lifespan of the ratchet wheel by reducing wear and preventing premature tooth damage.
  • 3. Corrosion Resistance: In environments where exposure to moisture, chemicals, or corrosive substances is a concern, selecting corrosion-resistant materials is crucial. Stainless steel and certain alloys are known for their resistance to rust and corrosion, making them suitable for such conditions.
  • 4. Weight Considerations: The material's density impacts the weight of the ratchet wheel. Lighter materials, such as aluminum or certain plastics, can be chosen when weight reduction is a priority, especially in applications where portability or reduced inertia is essential.
  • 5. Friction and Efficiency: The material's surface properties can affect friction and overall efficiency. Some materials may require lubrication to reduce friction, while others have inherent properties that promote smooth engagement and reduce energy losses.
  • 6. Cost and Availability: Material choice also affects the cost and availability of ratchet wheels. Common materials like steel are readily available and cost-effective, while specialized materials may be more expensive and less accessible.
  • 7. Temperature Resistance: For applications in extreme temperature environments, materials must be chosen that can withstand temperature variations without deformation or loss of mechanical properties.
  • 8. Compatibility with Pawls: The material of the ratchet wheel should be compatible with the material of the pawl or catch mechanism to ensure proper engagement and prevent premature wear of either component.

Ultimately, the choice of material should align with the specific requirements of the application. Engineers and designers carefully consider factors such as load capacity, wear resistance, environmental conditions, and cost to select the most suitable material for ratchet wheels, ensuring optimal durability and performance in the intended use.

ratchet wheel

What safety considerations should be taken into account when using ratchet wheels in various settings?

When using ratchet wheels in various settings, it is crucial to prioritize safety to prevent accidents and ensure the well-being of operators. Here are essential safety considerations to keep in mind:

  • 1. Proper Installation and Alignment: Ensure that ratchet wheels are correctly installed and aligned with their accompanying pawls or catches. Misalignment or improper installation can lead to unreliable operation and safety hazards.
  • 2. Regular Inspection and Maintenance: Implement a routine inspection and maintenance schedule for ratchet wheels and their associated components. Look for signs of wear, damage, or misalignment, and address issues promptly to prevent accidents.
  • 3. Load Capacity: Adhere to the specified load capacity of the ratchet wheel and the entire system. Overloading can cause failures, leading to dangerous situations. Always consider the maximum load when selecting and using ratchet wheels.
  • 4. Operator Training: Ensure that operators are adequately trained in the safe use of ratchet wheel systems. Training should cover proper operation, load limits, and safety procedures in case of emergencies.
  • 5. Emergency Stop Mechanisms: In applications where ratchet wheels are used as safety interlocks or emergency stop devices, ensure that these mechanisms are reliable and regularly tested. In emergencies, they should halt operations immediately and effectively.
  • 6. Lockout/Tagout Procedures: Develop and implement lockout/tagout procedures when working on equipment that includes ratchet wheels. This ensures that machinery is de-energized and cannot be inadvertently started during maintenance or repair activities.
  • 7. PPE (Personal Protective Equipment): Provide and require the use of appropriate personal protective equipment, such as gloves and safety glasses, when working with or near ratchet wheel systems. PPE can reduce the risk of injuries in case of accidents.
  • 8. Hazard Identification: Identify potential hazards associated with the use of ratchet wheels, including pinch points, sharp edges, and moving parts. Implement guards and warning signs to minimize risks.
  • 9. Environmental Conditions: Consider the environmental conditions in which ratchet wheels are used. Extreme temperatures, exposure to chemicals, or outdoor use may require specialized equipment and safety precautions.
  • 10. Regular Testing and Certification: Periodically test and certify the safety mechanisms and components associated with ratchet wheels. This ensures that they meet industry standards and function as intended.
  • 11. Risk Assessment: Conduct a risk assessment specific to the application of ratchet wheels. Identify potential risks and implement control measures to mitigate them effectively.
  • 12. Compliance with Regulations: Be aware of and comply with relevant safety regulations, standards, and guidelines specific to your industry or region. Non-compliance can lead to legal and safety issues.
  • 13. Emergency Response Plan: Develop an emergency response plan that outlines procedures for dealing with accidents or malfunctions involving ratchet wheel systems. Ensure that all personnel are familiar with this plan.

By incorporating these safety considerations into the use of ratchet wheels, you can help minimize risks, protect personnel, and ensure a safer working environment across various settings.

ratchet wheel

In what mechanical devices or tools are ratchet wheels commonly used, and how do they operate?

Ratchet wheels are commonly used in various mechanical devices and tools, where they play a crucial role in enabling unidirectional motion and preventing backward movement. Here are some examples of mechanical devices and tools that incorporate ratchet wheels and an explanation of how they operate:

  • 1. Ratchet Wrenches: Ratchet wrenches, also known as socket wrenches, are widely used in automotive repair and mechanical work. They feature a ratchet wheel mechanism in the wrench head. When the user turns the handle in one direction, the ratchet wheel engages with the socket, allowing continuous rotation for fastening or loosening bolts or nuts. When the direction is reversed, the ratchet wheel disengages, preventing backward motion and allowing the user to reposition the wrench without removing it from the fastener.
  • 2. Ratchet Straps and Tie-Downs: Ratchet straps and tie-downs are used for securing cargo on trucks, trailers, and in various transportation applications. They consist of a ratchet mechanism and a strap with hooks. By cranking the ratchet handle, the ratchet wheel tightens the strap, providing secure tension. The ratchet prevents the strap from unwinding or loosening during transit, ensuring that the load remains securely fastened.
  • 3. Handbrakes in Vehicles: In automobiles, ratchet wheels are a fundamental component of handbrakes (parking brakes). When the handbrake lever is pulled, it engages a ratchet mechanism that locks the rear wheels in place, preventing the vehicle from rolling when parked on an incline. Releasing the handbrake disengages the ratchet, allowing normal wheel rotation.
  • 4. Winches and Hoists: Winches and hoists used in industries such as construction, manufacturing, and material handling rely on ratchet wheel mechanisms. The ratchet wheel controls the winding and unwinding of cables or ropes. When the user operates the winch or hoist in one direction, the ratchet allows the cable to be pulled in and wound onto a drum. In the opposite direction, the ratchet prevents the cable from unwinding, ensuring controlled load handling.
  • 5. Bike Gears: Bicycle gears often use ratchet mechanisms to control gear shifting. When a cyclist pedals forward, the ratchet wheel engages with the gear sprocket, allowing the chain to move smoothly and propel the bike. If the cyclist pedals backward or stops pedaling, the ratchet prevents the chain from moving in reverse, ensuring efficient pedaling and preventing the bike from rolling backward.
  • 6. Fishing Reels: Many fishing reels, including spinning reels and baitcasting reels, incorporate ratchet mechanisms. The ratchet wheel in the reel allows the fishing line to be pulled in when the angler reels in a fish. The ratchet prevents the line from spooling out when there is no tension on it, ensuring that the line remains taut during fishing.

In each of these applications, the ratchet wheel functions by engaging with a pawl or catch mechanism. When force is applied in the desired direction, the pawl allows the ratchet wheel to rotate freely, enabling the intended motion. When force is applied in the opposite direction, the pawl engages with the teeth on the ratchet wheel, locking it in place and preventing backward movement. This simple yet effective mechanism provides controlled and safe operation in various mechanical devices and tools.

China wholesaler Premium Quality Conveyor Steel Roller Idler for Sand  China wholesaler Premium Quality Conveyor Steel Roller Idler for Sand
editor by Dream 2024-04-26