1. Dr. Apiwat Muttamara

2. Agenda Material selection Die Design Structure of Die

3. 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

5. DAIDO BRAND JISAISIDIN Cold Work Tool Steels YK30 SKS93--- YK4 SK4W1/W21.154C100W1 G0A SKS3mod.--- G05---- DC11 SKD11D21.2379 X165CrMo V12 DC53 SKD11mod. --- Hot Work Tool Steels DHA1 SKD61H131.2344 X40CrMoV 51 DH2F SKD61mod. --- GFA SKT4mod.L61.2714 55CrNiMo V6

6. DAIDO BRAND JISAISIDIN High Spee d Tool Steels MH51 SKH51M21.3343S6-5-2 MH85---- Plastic Mold Steels PXZ---- PX4- p20mo d. -- PX5- p20mo d. -- NAK55---- NAK80---- S-STAR SUS420J2 mod. 420mo d. 1.4034X40Cr13 G-STAR----

7. Application Usual Hardnes s HRC Recommended DAIDO BRAND General Uses Short LifeLong Life Trimming Dies 58-62 YK30GOA Pressing Dies 58-63 YK30GOA Crimping Dies 58-63 GOADC11 Extrusion Dies 55-62 GOADC11 Extrusion Punches 55-62 GOADC11 Brick Forming Dies 60-65 GOADC11 Powder Compacting Dies 58-62 GOADC11 Cross Punches 60-64 MH51 Plastic Mold Dies 56-60 GOA-

8. Back post Die set

11. SteelI=1.5D Cast IronI=2D AluminumI=2.5D PlasticI=3D up H > 1.5D J = I+3K=3 O > D P > D

12. Guide & Bush

16. 8

21. Stopper

22. Front space

23. Stripper plate Pin

24. Relief Angle

26. Location of bolts

27. Punch Plate

28. Stripper Thickness