Theory and Practise of Metal Forming

Course guarantor:

František Tatíček

Lecturer:

Vít Novák, František Tatíček

Tutor:

Vít Novák, František Tatíček

Supervisor:

Department of Manufacturing Technology

Synopsis:

Fundamentals of metal forming theory. Stress-strain relationships in elasticity and plasticity. Methods for analyzing metalworking processes. Workability of metals. Individual constraints in metalforming and their influence on the forming process. Fundamentals of theory and practice of basic bulk metal and sheet metalworking processes. Calculation of energy and loads in forming, selection of forming equipment.

Requirements:

Finished bachelor graduation from a Technical University.

Syllabus of lectures:

1. Classification of production methods, characteristics of metal forming processes

2. Tensile test - stress-strain curves, flow stress, deformation resistance

3. Stress-strain relationships in elasticity and plasticity, tensor calculation

4. Workability of metals

5. Overview of basic metal forming criteria

6. Methods for analyzing metalworking processes

7. Fundamentals of sheet metal forming theory, classification, shearing and bending

8. Deep drawing, loads and energy calculation, determination of forming limit strains

9. Heating process in metal forming processes

10. Fundamentals of bulk metal forming theory, classification, open die forging

11. Fundamentals of upsetting, rolling, and extrusion processes

12. Closed die forging processes and related operations

13. Metal forming machines classification, selection of forging equipment

Syllabus of tutorials:

1. Safety instructions, a load-extension curve and stress-strain curve

2. Stress and strain calculations

3. Plain-strain compression (Ford test)

4. Determination of the strain-hardening exponent from the tensile test

5. Determination of deformation resistance by an upsetting test

6. Determination of plasticity reserve by means of a grid method

7. Limiting draw ratio (LDR) for the first draw

8. Measurement of the plastic anisotropy ratio; normal and planar anisotropy

9. Forging loads calculation according to Tomlenov

10. Methods of determining forming limit diagrams (K-G curves)

11. Measurement of loads in the extrusion processes

12. Calculations of loads and energy parameters in forming processes

13. Assessment, alternative students? reports

Study Objective:

Gain basic theoretical and practical knowledge in metal forming processes through education.

Study materials:

Valberg, H.S.: Applied Metal Forming inclluding FEM Analysis. Cambridge University Press, 2010

Hosford W.F., Caddell R.M.: Metal Forming - Mechanics and Metalurgy, 4th Edition. Cambridge University Press, 2011

E.M.Mielnik: Metalworking Science and Engineering, McGraw-Hill Inc., 1991

Note:

Further information:

viz. stránky ústavu a server \\fsh\studium\u12133

Time-table for winter semester 2024/2025:

	06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Mon
Tue	roomT4:C2-136 Tatíček F. 14:15–16:45 (lecture parallel1) Dejvice
Wed
Thu	roomT4:A1-306 Novák V. 14:15–15:45 (parallel nr.1) Dejvice roomT4:A1-306 Novák V. 16:00–17:30 (parallel nr.2) Dejvice
Fri

Time-table for summer semester 2024/2025:

Time-table is not available yet

The course is a part of the following study plans:

• 09 116 NSTI VMI 2012 základ (compulsory course in the program)