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Bolt faster, cut bit cost in hard roof.

Authors
Divers-EF; Organiscak-JA; Hilton-T
Source
Coal Age 1986 Jul; 91(7):54-55
NIOSHTIC No.
10005320
Abstract
This paper describes several means of improving roof bolting productivity and reducing bit costs in the presence of hard roof conditions. Bit selection, drilling parameters, and operating procedures for both dry and wet drilling systems are among the contributing factors discussed.
CODEN
COLAA7
Publication Date
19860701
Document Type
OP; Journal Article
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
OP 22-87
Issue of Publication
7
ISSN
0009-9910
NIOSH Division
PRC
Source Name
Coal Age
State
PA
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