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FLETCHER

Model HDDR

Dual Head Roof BolterWalk-Thru Chassis

Fletcher Model HDDRbrings greater flexibility thanever to your high seam operation. Heavy-duty boom swing from 4’ to 20’ to allow several bolt installations from a single chassis position. Booms allow operators to drill over rubble, near ribs and over otherwise loose bottom areas. Bolting pattern is established relative to the roof, not the floor. Standard 90
O mast tiltallows angle and rib drilling: Fletcher ATRS (Automated Temporary Roof Support) eliminates the need for temporary posts and jacks in most applications. Walk-thru chassis reduces miner exposure to rib hazards.Operates in seam heights of 6’ to 17’ (custom heights available). Dual heads install a full row of bolts from a single chassis position. High-strength elevating booms drill without direct support from floor below.

Material Handling System

Mechanized mesh rack and mat rack as well as winch on material pods facilitate loading, storing, and operator access to the supplies. 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. The material pods are vendor loaded above ground and delivered to the rear of the machine. The operator uses the radio control to winch that days supply of consumable materials on to the bolter. The empty pods are off loaded and returned to the outside to be reloaded.
Shown with optional crawler drive and Materials Handling System