Flat Circular Face Burnishing Tools: An Overview
Flat Circular Face Burnishing Tools: An Overview
Flat circular face burnishing tools are specialized tools used to achieve a smooth and low surface finish on the flat circular faces of machined components. This process is essential for applications that require precise sealing on mating faces. The most common type used for this application is the multi-roller face burnishing tool. Given the diverse application requirements, these tools are typically customized based on the specific part sketches provided.
Key Specifications
- Diameter Range:
- A minimum relief of 3mm at the centre of the job is necessary for designing a face burnishing tool.
- There is no maximum diameter limit for the face, but for practical purposes, the diameter is typically limited to 50mm. For larger diameters, a multi-surface carbide single roller tool is recommended.
- Diameter Adjustment:
- These tools are non-adjustable and are made precisely according to the part sketch provided.
- Shank:
- Tool holding shanks are available in various types such as Morse Taper (MT), straight/round, BT, or any other type as per the request.
- Job Material:
- Any ferrous or non-ferrous materials can be burnished.
- Typically, ferrous materials with a maximum natural hardness of 30 HRc are recommended for burnishing operations.
- Heat-treated jobs are not recommended for burnishing.
- Machine Compatibility:
- External diameter roller burnishing tools can be used in any spindle-driven machines.
- They are commonly used in CNC turning centers, vertical machining centers, conventional lathes, pillar drilling machines, or any special-purpose machinery.
How to Use Flat Circular Face Burnishing Tools
- Preparation:
- Ensure the workpiece has a minimum relief of 3mm at the center.
- Verify that the workpiece material is suitable for burnishing (preferably ferrous materials with hardness up to 35 HRc).
- Tool Selection:
- Choose the appropriate burnishing tool based on the diameter and material of the workpiece.
- Ensure the tool’s shank type matches the machine’s specifications.
- Machine Setup:
- Install the burnishing tool in the machine spindle.
- Secure the workpiece and align it correctly.
- Operation:
- Start the machine and allow the burnishing tool to run over the workpiece’s flat circular face.
- Ensure steady and consistent pressure to achieve the desired surface finish.
- Inspection:
- After burnishing, inspect the workpiece to ensure the desired surface finish has been achieved.
Benefits of Using Face Burnishing Tools
- Improved Surface Finish: Achieve a smooth and polished surface that enhances the sealing capability of the component.
- Increased Durability: The burnishing process hardens the surface, which can increase the component’s lifespan.
- Cost-Effective: Burnishing can often be more economical than other finishing processes, especially for high-volume production.
Flat circular face burnishing tools are indispensable for achieving high-quality finishes on machined components. By selecting the right tool and following proper procedures, you can ensure superior surface finishes that meet stringent application requirements.
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