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The rock fragmentation specific energy tester is a test instrument that simulates the physical process of impact rock fragmentation, calculates the rock index fragmentation specific energy a and the blunt width b of the chisel blade, and is used to evaluate the rock drillability classification and explosiveness. It is also a test instrument that divides the rock drillability level by the unit volume fragmentation energy.

Product Description

Main Technical Parameters

1. Specific Energy of Chiseling The work done to break a unit volume of rock, expressed as "a" in J/cm³.
2. Blunt Width of the Chisel Edge (b) Refers to rock grindability. Measured 4mm inward from both ends, denoted as "b" in mm.
3. Hammer Weight Standard: 4kg; Soft rock: 2kg; Very soft rock selection: 1kg.
4. Hammer Drop Distance Fixed at 1m.
5. Drilling Frequency Standard rate: 480 times.
6. Drill Bit Specifications Straight shaped diameter Φ 40mm. Cutting angles available: 110°, 90°, 60° (Standard: 60°).
7. Rated Voltage AC380V 50Hz.
8. Physical Dimensions Host: 340mm * 500mm * 2000mm
Controller: 400mm * 250mm * 1000mm

Product Description

This equipment features a fixed angle mold specifically designed for casting soft rock and handling small sample rock analysis. It is engineered for precision technical assessment of rock properties.

Frequently Asked Questions

What is the "Specific energy of chiseling (a)"?
It represents the amount of work required to break a unit volume of rock, measured in Joules per cubic centimeter (J/cm³).
How is the hammer weight selected?
The equipment supports multiple hammer weights based on rock hardness: 4kg for standard rock, 2kg for soft rock, and 1kg for very soft rock samples.
What are the dimensions of the drill bit?
The instrument uses a straight-shaped drill bit with a 40mm diameter. The standard cutting angle is 60°, though 90° and 110° options are also applicable.
What power supply is required for operation?
The system operates on a rated voltage of AC380V at a frequency of 50Hz.
What is the standard drilling frequency?
The equipment is designed to operate at a drilling frequency of 480 times per session.
Is the equipment suitable for small rock samples?
Yes, it includes a fixed angle mold specifically designed for casting soft rock and processing small sample sizes.

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