Force bolts into holes using hydraulic mechanisms of self propelled bolting machines.
How does roof bolting work.
However it is these applications and those in the next category that have been most troublesome for design.
Where the roof is extremely weak.
Roof bolting is hard work where miners often have to lift cumbersome pieces of heavy metal into awkward positions.
Force bolts into holes using hydraulic mechanisms of self propelled bolting machines.
Rock bolts can be installed quickly usually in less than a minute using a jack drill a stoper a roof bolting jumbo or any other type of drill.
Fast easy installation of our friction rock bolts reduces bolting costs.
General roof bolts have to work much harder in beam building than in suspension and higher densities of support are required.
Installation can be done in a few easy steps.
Scaling and bolting or shotcrete ground conditions that create a hazard to persons shall be taken down or supported before other work or travel is permitted in the affected area.
Dust rocks after bolting.
We asked some mining roof bolters a few questions to find out what else does their work day look like.
Rotate chucks to turn bolts and open expansion heads against rock formations.
Resin and resin bolting information about resin and resin bolting.
Install various types of bolts including truss glue and resin bolts traversing entire ceiling spans.
Replace the drill steel with a driver tool.
Perform ventilation tasks such as hanging ventilation curtains and tubes.
High roof conditions can present a problem for people who usually work with low profile machines and vice versa.