Road milling drum assembly and method of milling

Details Road milling drum assembly and method of milling Road milling drum assembly and method of milling

B - Operations, Transporting

28

D

B28D 1/18 (2006.01) E01C 23/088 (2006.01) E02F 9/28 (2006.01) E21C 25/10 (2006.01)

Patent

CA 2220518

A mining drum assembly (22) for use in the mining of a substrate that has a drum (26). A plurality of bars (48), each one of the bars has a plurality of laterally-spaced apart mining bit assemblies (38, 56, 58, 60) connected thereto, are affixed to the surface (28) of the drum (26). The bars (48) define first and second regions of discrete bars equi-spaced about the circumference of the drum (26). The bars of the first region being circumferentially and laterally spaced-apart from the bars of the second region.

Ensemble tambour de fraisage (22) comportant un tambour (26) servant à fraiser un substrat. Une pluralité de barres (48) possédant chacune une pluralité d'ensembles de mèches de fraisage (38, 56, 58, 60) éloignées latéralement les unes des autres, est fixée à la surface (28) du tambour (26). Ces barres (48) définissent une première et une deuxième région de barres discrètes situées à égale distance les unes des autres autour de la circonférence du tambour (26). Les barres de la première région sont éloignées des barres de la deuxième région sur la circonférence et sur un plan latéral.

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