1. Test modes and specimens
1) 40 X 40 X 15
2) 30 X 30 X 15
2. System components and specifications
A. Loading unit
- Impact force by cam unit
- Impact cycle due to 250g(ball + lever)
- Loading fluctuation limit : ¡¾1% for static and ¡¾1% for dynamic
- Counter control for impact number
B. Test specimen built-in unit
- Test specimen holders for all type of fixed and moving specimens
- Convenient fixed and remove unit
- Damping unit for impact of specimen
- Heating block with cartridge type heating elements(option)
- Temperature range available : ambient ¡ 200¡É (1¡É step)(Option)
- Real time specimen temperature measurement(option)
- Proper heat insulation and water cooling(option)
- Cryogenic condition for specimen(option)
C. Driving motor & Reduction gear unit
- Motor speed : 10¡1800 rpm (1 rpm step)
- Precise speed control driver : ¡¾1 rpm during 10min loaded test
- Real time speed measurement
- Reduction gear unit appropriate for 10rpm impact
- Reduction gear box with parallel axes required
- Anti-vibration mechanism
- Uses of alignment pins for motor and gear box
D. Control unit
- Standing type control box
- Precise controls for applied repeat number, motor speed,
- Power on/off switch
- Test start and emergency stop switches
- Auto-stop functions by timer and revolution counter
- Auto-stop functions by over counter
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