When punching cable ducts made of polycarbonate/acrylonitrile-butadiene-styrene (PC/ABS), burr and film are prevalent. As a result, more deburring processes are necessary, which affects the product price. In the following study, the punching process is explored using Design of Experiments to highlight the relationship between the input variables (factors) and the output variables (quality characteristics). Using a Failure Mode and Effects Analysis, the punching process was investigated, and the major causes were identified and rated (FMEA). The rated factors were then chosen using the Pareto method. To set factor levels and a D-optimal screening test plan, the Software Modde was employed. The resulting quality characteristics were systematically assessed using illustrated evaluation catalogues. The mathematical models for quality-characteristics were then optimised and evaluated. Clearance is the most critical component in all five quality criteria assessed, according to the data. It's worth noting that a drop in clearance might be favourable for some quality traits, while a reduction would be negative for others. It is thought that an optimal clearance size exists between these two boundaries. In addition to the clearance, good results require that the material be held down in close proximity to the punch-out during the punching of PC/ABS.
Author(S) Details
Sebastian F. Noller
University of Applied Science (HTW) Berlin, Faculty 2: Technology and Life, 12459 Berlin, Germany.
Roland Heiler
University of Applied Science (HTW) Berlin, Faculty 2: Technology and Life, 12459 Berlin, Germany.
Anja Pfennig
University of Applied Science (HTW) Berlin, Faculty 2: Technology and Life, 12459 Berlin, Germany.
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