- 완성품 베어링에 대한 품질검사(주파수 대역별 진동측정)와 등급판정

- 피크값 분석으로 결함위치 및 이물질 혼입여부 분석

- 진동 주파수 분석(FFT)으로 개별 구성품의 제조 향상오차 및 결함판정

1. Mechanical unit

 1) Working range

   • Ball : 2 ~ 50mm

   • Inner Ring

   - Inner diameter : 10 ~ 160mm

   - Outer diameter : 140mm

   • Outer Ring

   - Inner diameter : 26mm

   - Outer diameter : 160mm

  2) Measuring components : Ball, raceway for inner ring and outer ring, roller

  3) Spindle : Horizontal air bearing

  4) Spindle Drive : Belt

  5) Spindle speed : Less than 1000 RPM

  6) Allowed Spindle load : Radial 50N, axial 50N, torque 10ｍNm

2. Sensor

  1) Type : Inductive sensor or Contact Type Velocity Sensor

  2) Number of sensors : 1 ea

  3) Measuring Range : Less than ±500um

3. Measurement & Analysis

  1) Waviness : um/sec value at L, M, and H Band

  2) Roundness : Polar diagram and Δr for LSC in µm

  3) GO/NG Check Function : Included

  4) Resolution of diagram : 2nm or less for waviness, 20nm or less for Roundness

  5) Measurement value display precision : Min. 0.1nm

  6) Test results have to be printed out as csv file in custom's window computer