| 시설장비 설명 |
1. Main Unit * Test mode : Pin on disc Ball on disc Thrust washer test * Load range : 20 - 500N (resolution ±0.1N) * Friction force measuring system : Range 500N ±0.1% of F.S * Speed : 0.01mm/sec ~ 2000mm/sec (Static friction coefficient 측정기능) : 가속도 자동계산 : Rotating shaft & housing - Inconel 718 * Wear loss measuring system : Range ±20mm Resolution 0.5㎛ : 실시간 마모량 측정용 비접촉식 센서 * Temperature control : Control range 400℃ ~ 1000℃ ±2℃ : PID control : Environmental gas ( Nitrogen or argon gas) * System Cooling method : 강제 air cooling + Cooling water 방식 : Lower stage & shaft - Inconel 625 : Heating부 이외 열영향부 차단 * Pin on disc Jig (ASTM G99 test method) : Dia. 5mm x 30mm long pin & Disc dia. 30 60mm x (8~10mm) thickness : 핀시편 수평조절 jig 포함 * Ball on disc Jig : One touch fixing jig : Ball size 6mm 12.7mm Disc dia. 30 60mm x 8mm thickness * Thrust washer test Jig (ASTM D3702 test method) * 습식용 챔버 : 용량 300ml : Oil or water * 시편온도측정 센서 : K type thermocouple & indicator * 시험부 습도측정 센서 : 30 ~ 90% ±3% 2. System Controller * Control mode - Load Speed Temperature Time Cycle * Record mode - Speed Friction force Wear loss Temp. Humidity Cycle Sliding speed(m/sec) Friction coefficient Sliding Time. * Data acquisition sampling rate : 100 Hz |
