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What Accuracy Can CNC Machining Generally Achieve?

Release time:2025-07-02     Number of views :


As a leading CNC Machining service provider, EMAR Technology specializes in delivering precision-engineered components. One of the most critical questions our clients – including procurement managers, engineers, and business owners – frequently ask is about the standard accuracy levels achievable through CNC processes.

What Accuracy Can CNC Machining Generally Achieve?(图1)

Standard CNC Machining Tolerances

Typical CNC machining accuracy ranges between ±.005" to ±.0005" (±.127mm to ±.0127mm), depending on multiple factors:

  • Material properties (metals vs. plastics)
  • Machine tool rigidity and calibration
  • Tooling quality and wear compensation
  • Environmental temperature control

High-Precision CNC Capabilities

For specialized applications, our CNC precision machining services can achieve micron-level tolerances (±.0002" or 5μm) using:

  • 5-axis simultaneous machining centers
  • Advanced metrology equipment
  • Temperature-controlled workshops
  • Compensated tool path programming

Factors Affecting Machining Accuracy

At EMAR Technology, we optimize every variable to ensure consistent precision:

  • Machine maintenance: Regular ball screw and guideway calibration
  • Tool management: Automated tool wear monitoring systems
  • Process validation: First-article inspection protocols
  • Operator expertise: ASME-certified machinists

Discover how our ISO 9001-certified CNC machining solutions can meet your specific tolerance requirements. Visit EMAR Technology for technical consultation and project evaluation.

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