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Key points regarding Peripheral Grinding Wheel


A peripheral grinding wheel is a type of grinding wheel designed for surface grinding operations, where material removal occurs primarily at the periphery (outer edge) of the wheel. Here are key points regarding peripheral grinding wheels:

1. Peripheral Grinding Operation:

  - Surface Grinding: Peripheral grinding wheels are commonly used in surface grinding operations where the goal is to remove material from the surface of a workpiece.

  - Flat and Parallel Surfaces: These wheels are suitable for creating flat and parallel surfaces on a variety of materials.

2. Composition and Design:

  - Bond Type: Peripheral grinding wheels can have different types of bonds, such as resin, vitrified, or metal bonds, depending on the specific requirements of the application.

  - Abrasive Material: The abrasive material on the wheel can vary and may include aluminum oxide, silicon carbide, ceramic, or diamond, depending on the hardness of the workpiece material.

  - Wheel Shape: The wheels used for peripheral grinding typically have a flat or slightly concave shape to facilitate effective material removal.

3. Structure and Density:

  - Wheel Structure: The structure of the grinding wheel refers to the arrangement of abrasive grains in the wheel. Open structures allow for more chip clearance, while dense structures provide finer surface finishes.

  - Density: The density of the abrasive grains on the wheel affects the material removal rate and the surface finish. Lower-density wheels may be used for faster material removal, while higher-density wheels can achieve finer finishes.

4. Wheel Sizes:

  - Diameter and Thickness: Peripheral grinding wheels come in various diameters and thicknesses to suit different machines and applications.

  - Peripheral Speed: The peripheral speed of the grinding wheel, measured in meters per second or feet per minute, is an important factor in determining the grinding efficiency.

5. Cooling and Lubrication:

  - Coolant Usage: Peripheral grinding wheels may be used with coolant to dissipate heat generated during the grinding process and to improve the surface finish.

  - Lubrication: Lubrication may be used to reduce friction between the wheel and the workpiece.

6. Applications:

  - Surface Finishing: Peripheral grinding wheels are used for surface finishing and achieving specific surface qualities on a variety of materials.

  - Tool and Die Making: They are often employed in tool and die making, where precise surface finishes are essential.

7. Safety Precautions:

  - Proper Use of PPE: As with any grinding operation, operators should use appropriate personal protective equipment (PPE), including safety glasses, face shields, and gloves.

  - Machine Guards: Ensuring that the grinding machine has proper guards in place is essential for operator safety.

It's crucial to follow the manufacturer's guidelines and recommendations for the specific type of peripheral grinding wheel being used, as specifications may vary based on the wheel's design and intended applications.

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