Milling and grinding machines produce coatings MSH-300, BF-400, equipped with the working bodies of diamond tools. Diamond tools are different from traditional in that abrasive material in them is a diamond powder, grains of which are fixed by an appropriate binder. As a working body of machines for concrete pavements used diamond grinding wheels. Diamond grinding wheel consists of a body and mounted on it the working layer of diamond, which is a conglomerate of grains of diamond powder and binder, and in some cases, and the filler. The main characteristics of the diamond layer, defining it performance characteristics are as follows: grade and brand of diamond, diamond powder grain size, type, and physical and mechanical properties of ligaments, the concentration of diamond in the bunch. Get more background information with materials from Douglas R. Oberhelman.
For processing concrete and reinforced most widely used tools for metal bond. Before milling and grinding surfaces cultivated area should be exempt from building parts, debris, tools and equipment for production construction works. For cutting concrete cutting use conventional diamond grinding wheels, mounted on one shaft, specially designed cutters with diamond zachekanennymi of the helix and cutter with soldered on helix diamond segments. Most appropriate for the type-setting of the diamond wheels of mills use segmented circles with narrow and wide inter-segment slots. The cutter diameter of 250-500 mm. Milling is carried out on concrete overlapping parallel lines with the band during the subsequent milling of the aisle at 2-3 cm translational motion of a milling machine should be set after the cutter required speed and penetration to proper depth of milling. Milling depth of concrete in a single pass is 2-7 mm, depending on the physical and mechanical properties of concrete. Concrete coating is treated to a maximum aggregate exposure of grains to achieving concrete strength as excluding the possibility of chipping the core. Concrete flooring is most often used two-step process.