System components and specifications
1. Loading unit
- Lever arm type loading frame
- Loading fluctuation limit : ¡¾1% for static
- Load unit built-in for automatic load control
- Dead weight loading attachment for 1¢¦200 N
- Computer interface according to friction force and static load
2. Test specimen built-in unit
- Test specimen holders for all type of fixed and moving specimens
- Convenient loading and unloading system
- Linear bearings for frictionless motion at high temperature and load
- Heating block with cartridge type heating elements
- Temperature range available : ambient ¢¦ 200¡É (1¡É step)
- Real time specimen temperature measurement
- Proper heat insulation and water cooling
- Lubricant reservoir
3. Motion translation unit
- Cam for 0.01¢¦15mm strokes (8 steps)
- High speed revolution up to 3,000 rpm
- Anti-vibration mechanism
- Motion in lubricant condition
- Use of alignment pin for rigidity
4. Control motor & Reduction gear unit
- Motor speed : 10¢¦3,000 rpm (1 rpm step)
- Precise speed control driver : ¡¾1 rpm during 10min loaded test
- Real time speed measurement
- Anti-vibration mechanism
- Uses of alignment pins for motor and gear box
5. Control unit
- Standing type control box
- Precise controls for applied load, motor speed, temperature
- Power on/off switch
- Test start and emergency stop switches(PC control)
- Auto-stop functions by timer and revolution counter
- Auto-stop functions by over-load and over-temperature sensing
- Data output ports for friction force, motor speed, temperature(Data acqusition)
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