Chap 12 Fundamentals of Metal Forming n Chap
- Slides: 14
Chap. 12 Fundamentals of Metal Forming (성형) n 산업시스템공학과 제조공학 강의록
Chap. 12 Fundamentals of Metal Forming (성형) multi axis 방향으로 stress가 작용할 때 state of stress를 effective stress로 표현 n see Table 12. 1 Classification of states of stress
Fundamentals of Metal Forming
Fundamentals of Metal Forming n n 그림과 같이 3축 방향에서 stress가 작용하면 eff ective stress와 effective strain은
Fundamentals of Metal Forming n plane stress : 1 or 2축 방향에만 stress 작용 n plane strain : 1축 방향의 strain이 0인 경우 n Hot Forming : work material을 700℃이상 가열하여 For ming n Cold forming : work material을 상온에서 Forming
Fundamentals of Metal Forming n Metal Forming의 independent variables ⅰ) starting materials ⅱ) starting geometry of workpiece ⅲ) tool or die geometry ⅳ) lubrication ⅴ) starting temperature ⅵ) speed of operation ⅶ) amount of deformation
Fundamentals of Metal Forming n Metal forming의 dependent variables ⅰ) force or power requirement ⅱ) material properties of the product ⅲ) exit(final) temperature ⅳ) surface finish and precision ⅴ) nature of the material flow
Fundamentals of Metal Forming n n Independent-Dependent Relationships Experience, Experiment, Modeling 등의 방법을 병행하여 해결 Hot Forming : Force 소모량이 적으나 산화작용 때문에 die 마모량 과다 Cold forming : Force 소모량이 많아 비경제적 이나 고가의 die의 마모량은 적음
Fundamentals of Metal Forming n see Fig 12 -3 Casting 의 cast grain structure
Fundamentals of Metal Forming n Fig 12 -4 Fiber structured of hot formed
Fundamentals of Metal Forming n Fig 12 -5 grain flow
Fundamentals of Metal Forming n Fig 12 -8 Material strength w/ temperature 곡선의 경사가 급한 재료는 등 온으로forming
- Fundamentals of metal forming
- Fundamentals of metal forming
- Chap chap slide
- Proses metal forming
- In a fusion welding process mcq
- Forming process in sheet metal
- Metal forming part
- Proses shearing
- Metal forming analysis gtu
- Hot working metal
- Explosive metal forming
- Fundamentals of metal casting
- Lesson 6b shielded metal arc welding fundamentals
- Chvorinov's rule for riser design
- Propiedades de los materiales metalicos