How to Improve Surface Quality of Turned Parts

 

1. Optimize Cutting Parameters

• Choose appropriate cutting speed, feed rate, and cutting depth. Generally, higher cutting speeds and smaller feed rates result in better surface roughness.
• Adjust according to material characteristics and tool types to reduce chip accumulation and vibration marks.

2. Use High-Quality Tools

• Utilize tools with good wear resistance and sharp cutting edges, such as coated tools, ceramic tools, or carbide tools.
• Select appropriate tool geometries like rake angle, clearance angle, etc., to enhance cutting performance and chip evacuation.

3. Enhance Cooling and Lubrication

• Select suitable cutting fluid to adequately cool and lubricate the cutting zone, reducing cutting temperatures and minimizing tool wear and chip accumulation.
• Ensure effective delivery of cutting fluid to the cutting area.

4. Improve Machine Tool Precision and Stability

• Regularly maintain and calibrate machine tools to ensure motion accuracy and rigidity.
• Reduce machine tool vibrations and thermal deformation by using vibration damping pads, optimizing machine tool structure, etc.

5. Control Workholding Methods

• Employ proper workholding methods to prevent part deformation during clamping. For thin-walled parts, use specialized fixtures or increase support points.

6. Adopt Advanced Machining Processes

• Utilize technologies such as high-speed cutting, minimum quantity lubrication (MQL), low-temperature cutting, etc., to effectively enhance surface quality.
• Implement multiple passes to gradually reduce cutting allowance and improve surface smoothness.

7. Material Pre-treatment

• Perform processes like tempering, annealing, etc., on raw materials to enhance material cutting properties and subsequently improve surface quality after turning.

8. Post-processing 

• After turning, employ processes like grinding, polishing, honing, etc., to further enhance surface quality.

By comprehensively applying the above methods, significant improvements in the surface quality of turned parts can be achieved.

Welcome to contact with NINGBO LEKE PRECISION TECHNOLOGY to discuss the details.