Thread Forming
Forming – The Future Technology
Thread forming, as opposed to machining, stands out because of its higher process reliability as well as prolonged tool life. Faster circumferential speeds also significantly increase the economic efficiency of this procedure. A prerequisite for using forming taps is a tool break elongation of at least 8% and a maximum tensile strength of up to 1,400 N/mm2. As an established component of modern series production, the modular thread former HPF Max has proven particularly effective in the automotive industry and mechanical engineering. Its long tool life is based on a proven combination of carbide substrate, high-performance coating and optimized former geometry. The FormMAX solid carbide forming tap is made of a newly developed fine-grain carbide with an optimized former geometry. To further incease thread quality and tool life, the coated tool surface undergoes a special smoothing process.
Solid Thread Forming
Thread forming tools
The micro structure of the material is not cut, but is reshaped and compacted by the thread forming process. This results in:
- Higher thread strength and component reliability
- Harder thread surfaces
- Greater profile precision
- Polished thread faces
- Improved wear resistance
- Better corrosion resistance
Modular Thread Forming
HPF Max: For Maximum Tool Life
The modular forming tap HPF Max combines the wear resistance of a carbide threaded head with the toughness of a steel shank, guaranteeing a new performance standard in terms of quality and efficiency. This high performance can be seen in practical applications through higher circumferential speeds and a considerably longer tool life in comparison with single-piece HSS forming taps. This makes the HPF Max a cost-effective solution for mass production and in mechanical engineering.
High Performance Forming
Advantages:
- The micro structure of the material is not cut, but is reshaped and compacted by the thread forming process.
- Maximum process security – as chips are not created, chip packing cannot occur
- Longer tool life and fewer tool changes
- Higher process speeds
- No scrap threads when the pilot hole diameter is correct
- No axial “creep” during thread forming
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