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Water-jet-assist improves shearer performance.

Authors
Taylor-CD; Thimons-ED
Source
Eng Min J 1989 Apr; 190(4):37-39,53
Link
NIOSHTIC No.
10006994
Abstract
This U.S. Bureau of Mines study indicates that there are major advantages in using water-jet-assisted cutting for dust control. Maximum benefit is achieved at pressures between 2,000 and 3,000 lb/in2 with no increase in normal water flowrate. Use of water-jet- assisted cutting increases bit life by keeping the bit tip cooler. Improving bit life reduces the number of times new bits must be installed, and this is particularly important during cutting in very hard and abrasive rocks.
CODEN
ENMJAK
Publication Date
19890401
Document Type
OP
Fiscal Year
1989
NTIS Accession No.
NTIS Price
Identifying No.
OP 114-89
Issue of Publication
4
ISSN
0095-8948
NIOSH Division
PRC
Source Name
Engineering and Mining Journal
State
PA
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