![]() ![]() reduced possibility of breakage due to no cutting edges and robust tool construction.for use in through and blind holes applications.high labor productivity when rolling threads is the main advantage of fluteless taps, they are more productive than conventional cutting taps.At the end of the threaded part of the flute taps, there are small symmetrically located coolant grooves. In addition, the champfer on these taps is significantly shorter. Their main difference from cutting taps is the absence of longitudinal grooves that form cutting edges. The thread rolling profile is formed by pressing the tool into the workpiece material and extruding part of the material into the tool cavity. They are used for thread forming not only in through holes, but also in blind holes. High productivity in threading is the main advantage of cold forming taps. Compared to cutting taps, forming taps have greater strength, provide accurate threads with low surface roughness, and increase thread strength (up to 20%). These materials include: aluminum and its alloys, copper, brass, bronze with a high copper content, zinc and its alloys, low-carbon and high-plastic stainless and heat-resistant steels. Application and benefits of cold forming tapsĬold forming taps (chipless taps, rolling taps) are recommended to be used when producing threads by plastic deformation (rolling) in parts made of non-ferrous and ferrous metals with high plasticity. ![]()
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