1. TOPICS PRESS TOOLS & TYPES PRESS TOOLS & TYPES PRESS OPERATIONS PRESS OPERATIONS TYPES OF PRESSES TYPES OF PRESSES STRIP LAYOUT STRIP LAYOUT STRIP MATERIALS STRIP MATERIALS PRESENTED BY SUPEKAR RAVINDRA S.

2. Tool Design Press Tool :- Press tools are special tools custom built to produce a particular component mainly out of sheet metal. Ex. – Automobile parts, Sheet metal parts of electrical equipments, etc.

3. Tool Design Types of Press Tools :-  Simple Tool  Compound Tool  Combination Tool  Bending Tool  Drawing Tool  Progressive Tool

4. Tool Design  Simple Tool :- This tool is designed to perform piercing This tool is designed to perform piercing and blanking operation. and blanking operation.

5. Tool Design  Compound Tool :- Blanking and Piercing operation performed Blanking and Piercing operation performed in a single stroke. in a single stroke.

6. Tool Design  Combination Tool :- The cutting and forming operation are combined and carried out in single stroke. The cutting and forming operation are combined and carried out in single stroke.

7. Tool Design  Bending Tool :- This Tool is used to bend the component in specified shape. This Tool is used to bend the component in specified shape. V-Bend Tool U-Bend Tool

8. Tool Design  Drawing Tool :- Drawing is a process of axial elongation through application of axial force. Drawing is a process of axial elongation through application of axial force.

9. Tool Design  Progressive Tool :- The work piece moves from one station to another, with separate operations, being performed at each station. The work piece moves from one station to another, with separate operations, being performed at each station.

10. Types of press operations There are two types of operations There are two types of operations  Cutting operations  Non-Cutting operations Tool Design

11. Types of cutting operations  Piercing  Blanking  Notching  Lancing  Parting off  cutoff  Cropping  Perforating  Nibbling  Louvering  Trimming  Shaving Tool Design

12.  Piercing :- Holes are cut on the sheet metal. Holes are cut on the sheet metal.

13. Tool Design  Blanking:- The Cutting action must be about a complete or enclosed contour. The Cutting action must be about a complete or enclosed contour.

14. Tool Design  Notching :- It is an operation for removing a piece of scrap from the edge. It is an operation for removing a piece of scrap from the edge.

15. Tool Deign  Lancing:- Three side cutting and one side bending operation. Three side cutting and one side bending operation.

16. Tool Design  Parting Off :- Cut the material between two components Cut the material between two components to separate it from parent metal. to separate it from parent metal.

17. Tool Design  Cut Off :- The cutting action must be along a line. The cutting action must be along a line.

18. Tool Design Tool Design  Cropping :- Cutting operation to control the strip movement. Cutting operation to control the strip movement.

19. Tool Design  Perforating :- Maximum number of holes are pierced in single stroke. Maximum number of holes are pierced in single stroke.

20. Tool Design  Nibbling :- To cut out the sheet to size with help of punching. To cut out the sheet to size with help of punching.

21. Tool Design  Louvering:- Three side forming and one side cutting operation. Three side forming and one side cutting operation.

22. Tool Design  Trimming:- To cut excess material which is left out on the flange of the drawn component. To cut excess material which is left out on the flange of the drawn component.

23. Tool Design  Shaving:- To give finish cut to the blanks and pierced holes. To give finish cut to the blanks and pierced holes.

24. Types of Non-cutting Operation  Bending  Drawing  Embossing  Coining  Hemming  Seaming  Curling  Bulging Tool Design

25.  Bending:- To bend the sheet at specified angle. To bend the sheet at specified angle.

26. Tool Design  Drawing:- It is process of changing flat, precut metal blank into hollow vessel. It is process of changing flat, precut metal blank into hollow vessel.

27. Tool Design  Embossing :- Shallow forming operation at equal thickness. Shallow forming operation at equal thickness.

28. Tool Design  Coining :- It is operation of making impression and depression on sheet metal. It is operation of making impression and depression on sheet metal.

29. Tool Design  Bulging:- It expands the cups along a narrow band and at the same time reduce the height. It expands the cups along a narrow band and at the same time reduce the height.

30. Tool Design  Hemming :- To join the two sheets. To join the two sheets.

31. Tool Design  Seaming :- It is the operation of pushing the material inside/outside all around the periphery. It is the operation of pushing the material inside/outside all around the periphery.

32. Tool Design  Curling :- It is the operation of turn the edge inside. It is the operation of turn the edge inside.

33. Tool Design Types Of Presses Types Of Presses According to Shape According to Shape 1) C-Frame 1) C-Frame 2) H-Frame 2) H-Frame According to Table Deposition According to Table Deposition 1) Inclinable 1) Inclinable 2) Non-Inclinable 2) Non-Inclinable According to Stroke According to Stroke 1) Fixed Stroke 1) Fixed Stroke 2) Variable Stroke 2) Variable Stroke

34. Tool Design Types of Presses Types of Presses According to Number of Slides According to Number of Slides 1) Single Action 1) Single Action 2) Double Action 2) Double Action 3) Triple Action 3) Triple Action According to Type of Drive According to Type of Drive 1) Geared 3) Knuckle Joint 1) Geared 3) Knuckle Joint 2) Non-Geared 4) Friction Screw 2) Non-Geared 4) Friction Screw According to Actuation According to Actuation 1) Mechanical 2) Hydraulic 1) Mechanical 2) Hydraulic

35. Types of Presses According to Type of operation Trimming, Drawing, Bending, Embossing Trimming, Drawing, Bending, Embossing etc etc

36. Tool Design According to Shape 1) C-Frame 1) C-Frame

37. Tool Design According to Shape 2) H- Frame 2) H- Frame

38. Tool Design According to Number of Slides 1) Single Action 1) Single Action

39. Tool Design According to Number of Slides 2) Double Action 2) Double Action

40. Tool Design According to Number of Slides 2) Triple Action 2) Triple Action

41. Tool Design According to Type of Drive 1) Cranked Type 1) Cranked Type

42. Tool Design According to Type of Drive 2) Knuckle Type 2) Knuckle Type

43. Tool Design According to Type of Drive 3) Screw Type 3) Screw Type

44. Tool Design According to Method of Actuation Hydraulic Hydraulic

45. Strip Layout Tool Design T = Thickness

46. Strip Layout Calculation Area of blank x No. of rows Area of blank x No. of rows Economy Factor = x 100 Economy Factor = x 100 (%) Width of Strip x Pitch (%) Width of Strip x Pitch  ECONOMY FACTOR Tool Design

47. Types Of Strip Layout  Single row one pass  Single row two pass  Gang strip layout

48. Tool Design  Single row one pass  Wide Run  Narrow Run

49. Tool Design  Single row two pass

50. Tool Design  Gang strip layout

51. Strip Materials There are two types of materials used  Non-Ferrous Materials  Ferrous Materials

52. Non-Ferrous Materials Sr No Description Temper / Hardness Elongation % UltimateStrength(N/mm²) Tensile Shear 1 2 3 4 Aluminium 99.8% Aluminium – Mg 4.5%, Mn1%, Cu 0.1% Aluminium Bronze Cu 95%, Al 5% Common Brass Cu63%, Zn 37% 0 ½ Hard Full hard 23 8 5 88 110 120 60 70 80 0 ¼ H 0 ½ H H 0 ½ H H 40 15 3 28 38 45 19 25 30 30 20 10 420 540 660 280 360 440 13 8 260 300 180 200

53. Non-Ferrous Materials Sr No Description Temper / Hardness Elongation % UltimateStrength(N/mm²) Tensile Shear 5 6 7 8 Cartriage Brass Cu70%, Zn 30% Magnesium 99% Copper 100% Cupro-Nickel Cu80%, Ni 20% 0 ½ Hard H 45 20 5 280 360 460 190 240 280 0 0 ½ H H 0 ½ H H 40 10 5 270 330 410 180 220 280 35 10 -- 220 250 300 150 160 170 --190 130

54. Ferrous Materials Sr No Description Temper / Hardness Elongation % UltimateStrength(N/mm²) Tensile Shear 1 2 3 4 Mild Steel (C25Mn75) Low Carbon Steel C 0.07% ( EDD ) 0.4% Carbon Steel Spring Steel 0.8% C 022520400 0 0 0-- 650510 18480380 27340 270 Yield N/mm² 280 210 310 --

55. Thank You