Miller Automotive Parts
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Quality Control Excellence

Our commitment to quality control ensures vehicle safety, performance, and durability through comprehensive testing and validation processes.

Material Inspection

  • Raw Material Testing: Verify the quality of metals, alloys, and rubber compounds used in parts.
  • Chemical Composition Analysis: Use spectrometry and other techniques to confirm material properties match specifications.

Dimensional Accuracy & Tolerance Checks

  • Precision Measurements: Use calipers, micrometers, and coordinate measuring machines (CMM) to check tolerances.
  • Computer-Aided Design (CAD) Comparison: Ensure manufactured parts match the original design.
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Non-Destructive Testing (NDT)

  • Ultrasonic Testing: Detect internal flaws or cracks.
  • Magnetic Particle Inspection: Identify surface defects in ferrous materials.
  • Dye Penetrant Testing: Highlight cracks or defects in non-porous materials.

Strength & Durability Testing

  • Fatigue Testing: Simulate real-world stress conditions over extended cycles.
  • Load Testing: Apply forces to ensure the part can handle expected stress without failure.
  • Torsion and Bending Tests: Check resistance to twisting and bending forces.
Factory Quality Control

Material Quality Assurance

We only use 4340 Chromoly Steel for all Forgings like Tie Rod Ends, Joints, Ball Joints, Inner C, Pitman Arms etc.

We can submit metallurgy report along with machining report for the production batch.

Functional & Performance Testing

  • Steering Effort Tests: Measure and analyze force.
  • Suspension Compliance Tests: Ensure proper movement and flexibility under load.
  • Vibration & Impact Testing: Simulate road conditions to evaluate performance.

Surface Treatment & Corrosion Resistance

  • Coating Thickness Testing: Ensure protective layers (e.g., zinc, powder coating) meet requirements.
  • Salt Spray Testing: Check corrosion resistance for components exposed to harsh environments.

Assembly & Fitment Verification

  • Pre-Assembly Checks: Ensure all components fit together correctly.
  • Torque Testing: Confirm bolts, fasteners, and joints are tightened to correct specifications.

Final Inspection & Quality Assurance

  • 100% Visual Inspection: Check for defects like cracks, deformations, or improper finishes.
  • Statistical Process Control (SPC): Monitor production data to detect trends and prevent defects.
  • ISO/TS Certification Compliance: Ensure adherence to automotive quality standards (ISO 9001, IATF 16949).