Dr. Apiwat Muttamara
Agenda Material selection Die Design Structure of Die
Standards Designation Equivalent of Tool Steels --- AISIAmerican Iron & Steel Institute JISJapanese Industrial Standards DINDeutsches Institut für Normung (German Standards Institute) SSSvensk Standard (Swedish Standard) BSBritish Standards
DAIDO BRAND JISAISIDIN Cold Work Tool Steels YK30 SKS93--- YK4 SK4W1/W21.154C100W1 G0A SKS3mod.--- G DC11 SKD11D X165CrMo V12 DC53 SKD11mod. --- Hot Work Tool Steels DHA1 SKD61H X40CrMoV 51 DH2F SKD61mod. --- GFA SKT4mod.L CrNiMo V6
DAIDO BRAND JISAISIDIN High Spee d Tool Steels MH51 SKH51M S6-5-2 MH Plastic Mold Steels PXZ---- PX4- p20mo d. -- PX5- p20mo d. -- NAK NAK S-STAR SUS420J2 mod. 420mo d X40Cr13 G-STAR----
Application Usual Hardnes s HRC Recommended DAIDO BRAND General Uses Short LifeLong Life Trimming Dies YK30GOA Pressing Dies YK30GOA Crimping Dies GOADC11 Extrusion Dies GOADC11 Extrusion Punches GOADC11 Brick Forming Dies GOADC11 Powder Compacting Dies GOADC11 Cross Punches MH51 Plastic Mold Dies GOA-
Back post Die set
SteelI=1.5D Cast IronI=2D AluminumI=2.5D PlasticI=3D up H > 1.5D J = I+3K=3 O > D P > D
Guide & Bush
8
Stopper
Front space
Stripper plate Pin
Relief Angle
Location of bolts
Punch Plate
Stripper Thickness