Each drill bit for metal hole alloy processing costs

Each hole machining productivity or cost is the most important factor in drilling impact. To improve productivity, the carbide drill bits manufacturers are working on a variety of operations can be integrated step processing method, and developing high feed, high speed processing of the drilling tool. The newly developed replaceable carbide drill crown has excellent machining economy. Carbide crown replacement easy and high repeatability, processing workshops available drill body with a plurality of teeth crowns, to the processing of different pore sizes of holes. This modular drilling system can reduce 12 ~ 20mm diameter drill bit manufacturing costs and administrative expenses, while also saving the cost of backup tool when welding or solid carbide drills were reground needed. When considering the cost of processing each hole, should also be taken into account the total life of the core drill bit. In general, a solid carbide drill regrinding only 7 to 10 times, a welded carbide drill regrinding only 3 to 4 times, and replaceable carbide drill crown in the processing of steel material , its steel hammer drill bits body can be replaced at least 20 to 30 times the tooth crown.