Shopping Cart

An 11x4 Robot Wheel refers to a type of robotic wheel with specific dimensions that are commonly used in building robots, especially for wheeled robots or robotic vehicles. The "11x4" typically represents the diameter and width of the wheel in centimeters or inches. Here's a breakdown of what the "11x4" designation means and its application:

Key Features of an 11x4 Robot Wheel:

1. 11 cm or 11 inches Diameter:
   • The 11 represents the diameter of the wheel, which is usually measured from one side of the wheel to the opposite side (across the center). If the "11" is in centimeters, this means the wheel has a diameter of 11 cm, or roughly 4.33 inches. If it's in inches, it indicates a wheel with a diameter of 11 inches (around 28 cm).
2. 4 cm or 4 inches Width:
   • The 4 indicates the width of the wheel, which is the measurement of how thick the wheel is when viewed from the side. In the case of "4" being in centimeters, the wheel is 4 cm wide (approximately 1.57 inches), and if in inches, the width is 4 inches (roughly 10.16 cm).

Characteristics of the Wheel:

• Large Diameter:

  • With a diameter of 11 cm (or 11 inches in some cases), this wheel is relatively large and offers good ground clearance, which is useful for robots that need to navigate rough or uneven surfaces.

• Wide Tread:

  • The width of the wheel (4 cm or 4 inches) helps in providing more grip on the surface. This is particularly helpful in ensuring the robot has better traction, which can be especially important for moving heavy loads or when climbing ramps or obstacles.

• Material:

  • Most robot wheels are made of rubber, plastic, or silicone, which offers a good balance of flexibility, durability, and traction. The tread pattern can also vary, with some wheels having a smooth surface and others having more aggressive treads or spikes for added grip.

• Hub and Mounting:

  • The wheel typically has a hub at its center, which allows it to be mounted onto a motor shaft. The hub can have different hole patterns or mounting mechanisms, such as a hexagonal, round, or splined hole, depending on the type of motor and axle used.

Applications of an 11x4 Robot Wheel:

1. Wheeled Robots:

   • These wheels are commonly used in robot platforms that require stable movement and the ability to carry or push weight. The large diameter ensures the robot can move over different types of terrain and helps in providing stability.

2. Robot Cars or Vehicles:

   • For building RC cars or small autonomous vehicles, an 11x4 wheel offers a good balance between speed and stability. This wheel size can also be used in robots designed for search and rescue operations, warehouse robots, or mobile robots used in industrial applications.

3. Line Following Robots:

   • Line-following robots often use wheels like these to maintain stability and precision as they follow paths marked by lines or sensors. The wide tread provides consistent contact with the ground, making it easier for the robot to follow a path accurately.

4. Robotic Arm or Manipulator Bases:

   • A robot's base may use large wheels like these to support its body and allow for smoother movement, which can be helpful for both indoor and outdoor robots that move heavy objects or perform tasks.

5. Mobile Robots:

   • These wheels are used in mobile robots for transportation, surveillance, or even educational projects where basic movement on a flat or slightly uneven surface is required.

Advantages of an 11x4 Robot Wheel:

• Stability:

  • The larger diameter and wider width of the wheel help provide a more stable base for robots, especially in rough or uneven terrains.

• Good Traction:

  • The width of the wheel (4 cm or more) provides better traction compared to narrower wheels, which is important for preventing slippage, especially when the robot is carrying heavy loads or moving over a non-smooth surface.

• Increased Load Capacity:

  • A larger wheel can support more weight and may offer better ground clearance. This makes it suitable for robots designed to carry heavier payloads.

• Versatile Movement:

  • With a larger diameter and width, the robot can cover ground more efficiently and can move over different types of surfaces with greater ease.

How to Choose the Right 11x4 Robot Wheel:

• Motor Compatibility:

  • Ensure the wheel is compatible with the motor you intend to use, especially regarding the mounting (size and type of the motor shaft). Common motor shaft sizes include 6mm, 12mm, or a hexagonal shaft.

• Surface Type:

  • Choose the wheel based on the surface your robot will be moving on. For example, wheels with a smooth tread are good for smooth floors, while wheels with a tread pattern or rubber tires provide more grip on rough or slippery surfaces.

• Load Requirements:

  • The wheel’s diameter and width help determine its load capacity. If your robot needs to carry heavy payloads, an 11x4 wheel will generally provide good support, but ensure the motor and the frame are also designed to handle the load.

• Terrain:

  • Consider whether your robot will be operating on indoor, smooth surfaces or outdoor, rough terrain. The larger the wheel diameter, the better the robot can traverse obstacles and bumps in the terrain.

Conclusion:

The 11x4 robot wheel is a large, wide wheel that provides stability, good traction, and increased load-bearing capacity for wheeled robots. Whether you're building a robot car, a mobile robot, or any system that requires movement over uneven surfaces, this wheel size is ideal for handling a variety of terrains and loads. The combination of the diameter and width offers smooth movement, precision, and reliability, making it a versatile choice for many robotic applications.