Walk Through Roof Bolter

Dm300 mobile bolter sandvik dm300 is a mobile bolter designed for the installation of strata support in place change coal mining operations.

Walk through roof bolter.

Mast tilts for vertical angle or horizontal drilling. Steve fuson 6 949 views. It offers superior performance thanks to the ability to install a full row of roof bolts without tramming. In 1983 the no.

Steel lynch district in harlan county ky. The original idea for the walkthrough wt chassis for the roof bolter came from the mine foreman at the no. Operates in seam heights from 6 to 17. Heavy duty boom extends over rubble and loose bottom.

This trainer s guide is designed as a reference manual. Walkthru bolt machine youtube. Booms swing from 4 to 20 to allow several installations from one chassis position. The piece of machinery most associated with these injuries is the roof bolting machine which accounts for 56 of machinery related injuries in underground coal mining.

My 2nd week on the roof bolter. Standard 90 mast tilt allows angle and rib drilling. Trainers can use this manual as a resource for helping trainees learn understand and apply knowledge and skills. The drilling capacity remains the same but safety and productivity improves from a materials handling aspect while bolting the rib.

Fletcher atrs automated temporary roof support eliminates the need for temporary posts and jacks in most applications. 37 mine in the u s. Bolting pattern is established relative to the roof not the fl o or. The roof bolters still have to climb through the middle of the machine to set the atrs and perform their primary duties.

Walk thru chassis reduces miner exposure to rib hazards. This track mounted machine offers a safe yet rapid way to install roof and rib support. The position controls are operated from the mid point of the machine. The purpose is to offer information and examples to skills trainers to assist them in structuring training for new operators of walk thru roof bolting machines.

The national institute for occupational safety and health niosh has released a new report entitled roof bolting machine operators skills training for a walk thru roof bolter. Heavy duty boom swing from 4 to 20 to allow several bolt installations from a single chassis position. Trainer s guide ic 9489. Dual head roof bolter walk thru chassis fletcher model hddr brings greater flexibility than ever to your high seam operation.