○ 구성 및 성능

BASIC UNIT AND ACCESSORIES

1. Load cells : Tension-Compression Load cell, 250 kN capacity- 1 set
- Linearity: ± 0.25% of reading or better
- Repeatability: ± 0.25% of reading or better
- Creep: 0.06% of reading or better
- Output overload : 150% of capacity

2. PC Software for Materials Testing- 1 set
- Tensile, compression, bend tests
- Can be able to generate standard and customerized test programs
- Graphical report editor for free styling of the report layout
- Real time and post-test graphics
- Automatic results calculations
- Automatic report generation
- Selectively with curve points and evaluation help lines
- Sectional magnification
- Curve follow with crosswires and test data display
- as XY or XY1Y2 diagram
- Limit check on entry of specimen dimensions
- Up to three user-definable crosshead speed in one test
- Comprehensive context sensitive online help
- Graphics and pictures showing the function and properties of the parameters
- All testing status, for example, specimen number, testing sequence of each specimen are real-time displayed on the PC monitor.
- Specimen list at the left hand edge of main display allows synchronized viewing of results, graphics, inputs and status for any test specimen
- Output data : Sample number, thickness, width, sectional area, Young`s modulus(E), upper-yield point(YP), lower-YP, yield strength(0.2% offset, 0.5% under-load), yield elongation, n-value, r-value, K-value, uniform elongation, ruptured elongation, tensile strength, yield ratio and stress-strain curve source file should be saved. R-bar should be calculated from UTM control software directly without additional calculation procedure
- Result data can be saved ASCII, Excel, Word, PDF, RTF, ODBC, TRF(test curve) etc

3. Data Acquisition system- 1 set
- CPU 3.0GHz Dual or better
- 1 TB HDD or more
- 4 GB RAM or better
- "22 TFT-LCD Monitor
- A4 size printer

4. Pair of Hydraulic side action Grips - 250 KN capacity- 1 set
1) Jaw face for flat specimens, specimen thicness 0 - 59mm or more- 1 set
2) Jaw face for round specimens, specimen dia. 3 - 59mm or more- 1 set
3) Hydraulic Power Pack and Remote controller for grip- 1 set
4) Hydraulic Power Pack should be operated by hydraulic oil without any pneumatic power aid
5) Gripping force should be controlled during testing by PC software automatically to avoid compressive and/or tensile force on the specimen. Gripping force can be input arbitrary value and operated by operator

5. Extensometer system- 1 set
- Type: Automatic Motorised sensor arm direct contact type(PC control type)
- Gage length: 10 ~ 100 mm or wider range
- Gage length control: Automatic gauge length setting according to initial test condition.
- Measuring range: Max. 80 mm or wider range
- Measuring thickness/Diameter: 0 ~ 30 mm
- Resolution: 0.3 micron( 0.0003 mm) or better
1) Pair of sensor arm (Length: 300mm)- 1 set

6. Automatic transverse Extensometer system for measuring r-value- 1 set
- Type: Automatic Motorized sensor arm direct contact type
- Measuring lines: 4 measuring lines
- Measuring range : 0 ~ 5 mm
- Measuring resolution : 0.1 micron (0.0001 mm) or better

7. 3-Point bend test fixture - 250 KN capacity. -1 set
- Support separation: 20 ~ 230 mm or wider
- Max. test path: 90 mm or more
- Anvil width: 70 mm or more
- Including adapter to 250kN Hydraulic grips

8. Compression test kit 136 mm dia. - 250 KN capacity. - 1 set
- Including adapter to 250kN Hydraulic grips

○ 주요사양

1. Mainbody
Digital controlled testing instrument with fully independent control console

1) Capacity : Minimum 250 kN (Approx. 25,000 kg)

2) Load weighing system accuracy : ± 0.5 % of reading down to 1/250 of load cell capacity

3) Crosshead speed range: 0.0005 to 600 mm/min or more wide

4) Crosshead travel : 2000 mm or more

5) Drive Resolution : 0.0082 micron or more

6) Testing (sample) space
Lateral: 630 mm or more
Front to back: Unlimited

7) Power requirements
Voltage: 400 volts 10 %
Frequency: 60 Hz


2. Control consoles

1) Full automatic controller adaptation in real-time

2) Up Down stop test control keys

3) 32 bit data resolution is standard

4) Event controlled reaction possibility and 1 KHz online test data processing

5) Multiple test result storage facility

6) Optional board slots for auxiliary equipment
7) LPT1 Printer interface

8) Emergency stop switch

9) Remote controller for test start, extensometer control, grip control

* 본 제품은 재료의 기계적 강도를 조사하는 시험기기이다.
* 금속 뿐말 아니라, 비금속, 섬유, 고무 등 모든 재료의 인장, 압축 시험을 행할 수 있는 다용도의 재료 시험기이다.
* 다양한 변형율 속도를 통한 시험이 가능하여 변형 속도와 관련된 물성 측정이 가능하다.
* 특히 판재의 이방성 계수를 실시간으로 측정 가능하다.
* 소성가공공정 해석 수행 시 필수적으로 필요한 물성을 얻을 수 있으며, 이의 활용이 가능하다.
* 서보모터 시스템을 통해서 구동하여 보다 정확한 물성을 얻을 수 있다.

* 본 제품은 재료의 기계적 강도를 조사하는 시험기로 재료물성 즉 인장강도, 항복강도, 유동응력, 판재의 이방성 계수 등을 조사 할 수 있다.
* 인장시험, 압축시험, 벤딩 시험, 피로 시험 등을 통하여 재료 물성을 측정한다.

* 장비의 도입을 통하여 다양한 재료의 물성을 보다 정확하게 확보 할 수 있으며 재료의 물성 DB 구축 등에 사용 될 것이다.

* 25ton의 load cell을 이용하여 고강도강의 물성 확보가 가능하다.