3D print hardness test

3D print hardness test

thingiverse

Testing different filaments for their properties. Ranging from flexible to very stiff. Test speciment: (l x h x w) 180mm x 15mm x 4mm with * rounded cut-outs at the center to leave 10mm x 4mm * a hole for a hook 80mm from the cut-outs * one side is fully supported up to the cut-outs, the other side receives a force at the mounting hole in the direction of the 15mm height. Printed with 2 perimeters, 30% infill, nozzle 0.4mm When gently knocked on the table the pieces give different sounds, SAN and PLA have the highest pitch, The following table has the materials sorted from highest pitch to lowest:   |Material|Force|| |-|-|-| |SAN herz | 28 N |PLA (china) | 45 N |PLXX010 3dk.berlin   | 43 N |ABS reprapper | 32 N |PLATEC 2bears | 18 N |PETG extrudr | 28 N |IGLIDUR I150 | 27 N |SBS craftsbot | 15 N | soft crack |TPU xyz | 4.0 N | elastic bending to 45° |TPU sainsmart | 3.5 N | elastic bending to 45°

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