Rock fragmentation specific energy tester
Main technical parameters
1. Specific energy of chiseling: the work done to break a unit volume of rock, now expressed as a, in J/cm3
2. Blunt width of the chisel edge b: refers to the grindability of the rock. Measure the bluntness width of the chisel edge 4mm inward from both ends, denoted as b, in millimeters.
3. Hammer weight: 4kg; 2kg of soft rock; 1kg selection for softer rocks
4. Hammer drop distance: 1m
5. Drilling frequency: 480 times
6. Drill bit: a straight shaped diameter of Φ 40mm with a cutting angle of 110 °; 90°； 60 ° (The standard drill bit for this instrument is 60 °)
7. Rated voltage: AC380V 50Hz
8. Dimensions: Host: Length * Width * Height 340mm * 500mm * 2000mm
9. Controller: 400mm * 250mm * 1000mm
10. Fixed angle mold for casting soft rock and small sample rock
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