CMM3-21 Hydraulic Roof Bolter for Coal Mine

Main purpose and scope of application: The CMM3-21 series hydraulic anchor drilling rig for coal mines is mainly used for roof anchor and anchor support operations in coal and semi coal rock roadway excavation working faces. Three sets of drilling arms are arranged in parallel, with the middle and both sides of the drilling arms having left and right translation and extension functions, which can carry out construction operations on anchor rods and cables with different spacing. It has strong adaptability and high construction efficiency. Suitable for a maximum roadway working face with a cross-sectional width of 5.5m, a height of 3.9m, and a slope of ± 18 °.   Experience the ultimate in comfort and style with this premium leather backpack, designed for those who value both functionality and elegance. Whether you're heading to work, traveling, or simply running errands, this versatile bag offers a perfect blend of practicality and sophistication. Crafted from high-quality materials,…