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Vol 178
Pages:
195-197
Download volume:
RUS
Article

Separation of drilled cylindrical billet from rock massif

Authors:
Yu. A. Eist1
P. G. Talalay2
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining Institute
  • 2 — G.V. Plekhanov Saint Petersburg Mining Institute
Date submitted:
2007-11-15
Date accepted:
2008-01-18
Date published:
2008-11-18

Abstract

The cylindrical stone blocks of large diameters (300-800 mm) are used as shafts of papermaking machines, which set up exclusive standards to fissuring of stone. The present paper describes a special device for separation of cylindrical stone blocks from the bottom without destruction of the surrounding rock mass shutting out appearance of fissuring in the stone.

Область исследования:
(Archived) Diagnostics and control of technical systems and their elements. New technologie
Funding:

None

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