Comparison between VDI & Ra VDI = Verein Deutscher Ingenieure, the Society of German Engineers VDI; 12; 15; 18; 21; 24; 27; 30; 33; 36; 39; 42; 45;
Ra; 0,40; 0,56; 0,80; 1,12; 1,60; 2,24; 3,15; 4,50; 6,30; 9,00; 12,50; 18,00;
Rz; 1,5; 2,4; 3,3; 4,7; 6,5; 10,5; 12,5; 17,5; 24,0; 34,0; 48,0; 69,0;
DA-PA; 0; 0,5; 0,5; 0,5; 0,5; 1,0; 1,5; 2,0; 2,5; 3,0; 4,0; 5,0;
DA-PC; 1,0; 1,0; 1,0; 1,0; 1,5; 2,0; 2,0; 3,0; 4,0; 5,0; 6,0; 7,0
VDI 3400 Making by EDM or Sandblasting or Etching on mold cavity surface to be achieved
DA-ABS 0,5 0,5 0,5 0,5 1,0 1,5 2,0 2,5 3,0 4,0 5,0
: Metal plaque size: 200×85×5mm of VDI 3400 standard scale made in EDM machine of GF-AgieCharmilles from Switzerland. A
: Plastic plaque size: 200×14.5×3.5mm of VDI 3400 for ABS material made in Sandblasting or Etching Technology. B
: Metal plaque size: 130×30×4mm of VDI 3400 standard scale made in EDM machine of GF-AgieCharmilles from Switzerland. C
: Plastic plaque size: 200×14.5×3.5mm of VDI 3400 for clear material made in Sandblasting or Etching Technology. D
and D plaques not only grain No. are same to each other for you convenient reference, but every grain are similar to 95% in depth and roughness. ABC
We can also make Plastic and Metal plaques of VDI 3400 to you by required .
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