5-Axis CNC Machining for Stainless Steel 304

5-axis machining of 304 stainless enables complex medical, food processing, and architectural components in a single setup. Maintaining constant chip engagement is critical on all tool vectors.

Recommended Machining Parameters

ParameterValue
Achievable Tolerances±0.01 mm
Surface FinishRa 0.8-3.2 μm
Cutting Speed50-100 m/min
Feed Rate0.05-0.10 mm/tooth
Tooling RecommendationsPremium carbide with AlTiN coating. Ball nose tools for contours. High-feed face mills for roughing.

Expert Machining Tips

1

Use constant engagement toolpaths (Volumill, Adaptive)

2

Maintain chip thinning compensation at all angles

3

High-pressure coolant through all axes

4

Verify thermal stability of machine before precision cuts

Common Parts Made

Medical device components

Complex valve bodies

Turbine flow paths

Impeller channels

Architectural sculptures

Machining Challenges

  • Work-hardening varies with tool angle
  • Chip evacuation in deep 5-axis features
  • Long cycle times

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