Roof bolting equipment & technology
Journal Article
·
· Coal Age
OSTI ID:21261605
Technology provides an evaluator path to improvement for roof bolting machines. Bucyrus offers three different roof bolts models for various mining conditions. The LRB-15 AR is a single-arm boiler recommended for ranges of 32 inches and above; the dual-arm RB2-52A for ranges of 42 inches and above; and the dual-arm RB2-88A for ranges of 54 inches and above. Design features are discussed in the article. Developments in roof bolting technology by Joy Mining Machinery are reported. 4 photos.
- OSTI ID:
- 21261605
- Journal Information:
- Coal Age, Vol. 114, Issue 4; ISSN 0009-9910
- Country of Publication:
- United States
- Language:
- English
Similar Records
Analysis of disabling injuries related to roof bolting in underground bituminous coal mines-1973
Use of torque wrench to determine load in roof bolts. Part III. Expansion-type, 5/8-inch bolts
Development of a system for high-speed drilling of small-diameter roof bolt holes. Final technical report as of April 1, 1982
Technical Report
·
Wed Jan 01 00:00:00 EST 1975
·
OSTI ID:21261605
Use of torque wrench to determine load in roof bolts. Part III. Expansion-type, 5/8-inch bolts
Technical Report
·
Sun Jan 01 00:00:00 EST 1956
·
OSTI ID:21261605
Development of a system for high-speed drilling of small-diameter roof bolt holes. Final technical report as of April 1, 1982
Technical Report
·
Tue Apr 01 00:00:00 EST 1980
·
OSTI ID:21261605