Several strategies can enhance the quality of CNC machined ABS parts:

• Tool Selection:Employ specialized tools designed for plastic machining, such as carbide or ceramic inserts. These tools have better heat resistance and wear resistance.  
• Cutting Parameters: Optimize cutting speed, feed rate, and depth of cut to minimize heat generation and prevent material melting. Experiment to find the optimal settings for your specific application.
• Cooling:Utilize coolant or compressed air to cool the workpiece and cutting tool, reducing heat buildup and improving chip removal.
• Workholding: Ensure secure clamping of the workpiece to prevent vibration and chatter, which can negatively impact surface finish and dimensional accuracy.
• Chip Management: Implement effective chip removal methods, such as high-pressure coolant or chip vacuums, to keep the cutting area clear.
• Tool Condition:Regularly inspect and sharpen cutting tools to maintain optimal performance and prevent tool failure.
• Material Preparation:Ensure the ABS material is consistent in terms of properties and free from contaminants.
• Post-Machining Processes: Consider additional finishing techniques, such as sanding or polishing, to improve surface quality.

By carefully addressing these factors, you can significantly enhance the quality and consistency of your CNC machined ABS parts.