Ring Beam Erector

Part

A rotating ring behind the roof shield that picks up curved steel ring beam segments, joins them into a full ring and expands it against the rock, so steel ribs can be set close to the face in weak ground.

Class	Part

A rotating ring behind the roof shield that picks up curved steel ring beam segments, joins them into a full ring and expands it against the rock, so steel ribs can be set close to the face in weak ground. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.