A world leader in the design and manufacturing of roof drills bolters scaling machines drill jumbos and specialty equipment that improve safety and productivity in underground mines.
Roof bolter machine.
The larger roof bolter machines are basically of two types.
The total area of support is commonly 5 feet by 5 feet square meters.
The mesh is delivered to the rear of the machine where the bolter operator winches the shifts supply of mesh into place using the radio control.
Single boom dual boom.
Single boom roof bolters use one setting to install roof bolts.
Trainer s guide by william wiehagen susan robertson charles urban joan dickerson robert peters charles vaught launa mallett and mike brnich niosh pittsburgh research laboratory richard conkle twentymile coal co.
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A typical day for a mining roof bolter will also include.
The independant drill and bolting rig feeds together with the strong but simple design helps to speed up the production cycle.
The material pods are vendor loaded above ground and delivered to the rear of the machine.
These wt machines were model ddr high seam roof bolters having the drilling booms arranged for inside the booms operator control positions.
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On a daily basis mining roof bolters install various types of bolts including truss glue and resin bolts traversing entire ceiling spans.
Test bolts for specified tension using torque wrenches.
Install safety or support equipment.
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Roof bolting machine operators skills training for a walk thru roof bolter.
After installation the machine needs to be repositioned in order to insert the next bolt.
Elevating operator platforms were incorporated on each drill boom to raise the operators with the drilling controls for easy reach of the mine roof.
The operator uses the radio control to winch that days supply of consumable materials on to the bolter.
Force bolts into holes using hydraulic mechanisms of self propelled bolting machines.
Remove drill bits from chucks after drilling holes and insert bolts into chucks.
Remove drill bits from chucks after drilling holes and insert bolts into chucks.
Install equipment attachments or components.