With Forgefix®, complex surfaces can be processed economically, precisely and with reproducible results.
The cold forging tool is available with various force settings and ball diameters (on the ram) as well as various machine-side connection options. Forgefix® can be custom-configured for specific projects. In the area of tool- and mold-making in particular, workpieces and components are often polished manually at great expense of time in order to achieve high-quality surfaces. The result depends on the user and key parameters in the manufacturing process: Precision, process reliability and reproducibility may be jeopardized.
Cold forging is a process used for mechanical surface treatment. It is often referred to as “machine hammer peening”. A hammering tool is systematically guided over the workpiece surface by a CNC milling machine or robot. Machine smoothing can significantly reduce time-consuming and cost-intensive manual surface finishing when making tools and molds. A positive side effect of cold forging is the introduction of compressive residual stress into the surface of the workpiece by the hammering tool.
The increase in surface layer hardness through work hardening leads to a reduction in wear in forming tools as well as in metal bearings and guides of all kinds. The service life of the tool is also often extended. The optimized residual stress distribution also prevents the formation of cracks in components subject to alternating loads, thereby increasing their service life. Cold forging can be used to create specific textures such as lubrication slots, which help to improve friction properties.
The Forgefix® cold forging tool is a useful addition to the production process. With Forgefix®, surface qualities of Ra 0.08 can be achieved effectively, reliably and cost-effectively.
Cold forging
“The advantage is that you can derive the machining operation or tool change from the milling program with just a few clicks. While we supervise the finishing step, the hammering work continues unmanned into the night. This means that we can save on labor costs. In order to remain internationally competitive, this is just as essential as cooperative partnerships.”
Hans Keller, Director R+D Productions Aesculap AG
1. Ball Ø 8 mm–20 mm and ram Ø 1 mm–12 mm for all applications and materials 2. Quick adjustment of the impact force: 500 N [SP], 250 N [LP] and 1000 N [HP] 3. Air through the spindle for easy handling in the case of no internal coolant supply; air can be connected externally.
Forgefix® combines all the advantages of conventional surface treatment processes such as shot peening, form grinding, deep rolling and laser polishing. The machining of even complex surface geometries is possible on standard CNC milling machines or machining robots and is carried out according to the NC data set. There are no negative thermal effects.
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