CORE SAMPLER

Характеристики:

  • Overall dimensions: 300 х 40 мм.
  • Weight: не более 1,0 кг.
  • Number of bits: 6 шт.
  • Location of bits on the head surface of the body: равномерное по окружности.
  • Average number of core drillings to failure: не менее 100.
  • Installed no-failure operating time: 200 замеров.
  • Inner diameter: 34 мм.
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SPECIFICATION:

The core sampler is designed for coal core sampling during drilling of the holes crossing the zones of coal seams to be uncovered in order to determine hardness coefficient on M. M. Protodyakonov’s scale when performing outburst prediction before uncovering coal seams.