Mold & Die

1. Mold & Die Mold & Die for Plastic, Stamping, Forging, Casting Associate Professor Su-Jin Kim School of Mechanical Engineering Gyeongsang National University

2. What is Mold & Die • Die & Mold is the tool used to produce large quantities of same products. Casting Forging Press Die Casting BlowMolding Plastic Injection Vacuum forming Bread Powder Mold & Die ?

3. Die & Mold Productions of Korea • Korea produces $5.7 billion Die & Mold a year. • Plastic molds are $2.4 billion and Press dies are $2.0 billion. • 51% of productions are focused around Seoul. 51% 15% 23% 7%

4. Die & Mold Exports & Imports of Korea • Korea Die & Mold industries export $2.1 billion and import $0.1 billion a year (2011). 3% 6% 17% 15% 7% 9% 3% 6% 4% 3%

5. 금형 업체 통계 • 전체: 2,600 업체(2006년 통계청, 5인 이상) • 인력: 평균 15인/업체, 중소기업 업종 • 품목: 플라스틱976, 프레스511, 다이케스팅104, 기타1037 • 지역: 경기1008,인천269,서울256,부산256,경남244… • 경남: 창원,김해 집중 • 한국금형공업협동조합: http://www.koreamold.com

6. 경남 금형 업체 • 경남: 244 업체 (2006기준) • 지역: 창원 55%, 김해 40%, 양산 5%(동부집중) • 서부경남금형산업육성 한다면? 강점: 낮은 임금과 부지비용 약점: 수요기업(자동차, 가전)과 거리 기회: 진주-창원고속도로, 진사공단 위협: 다품종소량생산(항공) 정책

7. Plastic Automotive fender Associate Professor Su-Jin Kim School of Mechanical Engineering Gyeongsang National University

8. Plastic Injection Molding • Plastics are melted in a heated cylinder and forced into a mold by hydraulic plunger of rotating screw. • Complex shape and good dimensional accuracy can be achieved, as in die casting. http://ma.gnu.ac.kr/vod/Plastic/Plastic_Injection_Molding.MP4 http://kr.youtube.com/watch?v=bit-D1NnfjI&NR=1 http://kr.youtube.com/watch?v=NedTUB7YQE0&feature=related

9. ROCKET RING SPRUE BUSHING ANGULAR PIN GUARD BUSH SLIDE CORE GUARD PIN CORE EJECTION PLATE EJECTION PIN RETURN PIN 돌출판 돌출핀 Injection Mold • Die structure Injection Mold of JY-Solutec http://www.jysolutec.com

10. Injection Mold Slide Core

11. Injection Mold Hydraulic Cylinder

12. Injection Mold Ejection Pin 일반 핀 BOSS 핀 접시형 핀 단차 형 핀

13. Injection molding Vacuum Cleaner: Hand grip Blower: Housing http://www.tsmould.com/cyberpr01.htm

14. Injection Mold

15. Blow molding • Blow up a plastic balloon to fill the mold. http://www.youtube.com/watch?v=vSabFFQUr9E&p=9B6D9EAE75875D9D http://kr.youtube.com/watch?v=grIPNOHkdOc&feature=related http://kr.youtube.com/watch?v=3haIAsECzRc http://www.youtube.com/watch?v=oR0gMKN58kY&p=9B6D9EAE75875D9D

16. Automotive Stamping Die

17. Automotive Stamp Die (프레스 금형) • Process: Drawing → Trimming → Hemming → Punching http://www.youtube.com/watch?v=ydoEJnwMlnk

18. Draw Die Blank holder Lower die

19. Draw Die • lower die (b) blank holder (c) upper die (d) die assembly

20. Automotive Die Machining

21. Progressive Stamping Die • Multiple operation such as punching, bending, blanking. http://www.youtube.com/watch?v=BDIYBloDydM&hl=ko

22. Forging

23. Forging Die

24. Die Casting • The molten metal is forced into the die cavity by high pressure. Cold-chamber http://www.youtube.com/watch?v=-_8MFbUdH6Y&feature=related

25. Die Casting

26. Mold Machining CAD CAM EDM NC Machining Simulation http://ma.gnu.ac.kr

27. Mold Design • 3D Mold Design by UniGraphics

28. CAM • Generate NC Data by Power Mill

29. Simulation & Optimization • Simulation & Optimization by NCBrain

30. CNC Machining • Mold machining by Machining Center http://www.youtube.com/watch?v=5pteVYeqVHI

31. Electric Discharge Machining

32. Reference • 한국금형공업협동조합: http://www.koreamold.com • NCBrain www.ncbrain.com금형가공시뮬레이션 • AFDEX www.afdex.com단조해석 • 태성정밀 http://www.tsmould.com사출금형 • DIETEC www.dietec.co.kr프레스금형