The document discusses various types of press tools used in manufacturing including work holding tools like jigs and fixtures, cutting tools, sheet metal dies, forging dies, extrusion dies, and welding/inspection fixtures. It provides descriptions of aluminum strip specifications for electrical transformers and mechanical and hydraulic presses. It also mentions progressive dies and characteristics of punched holes and slugs in different materials.

1. Press Tools
Madhukar Nagare

2. Tool Design
• It is a specialized area of manufacturing engineering which
comprises the analysis, planning, design, construction and
application of tools, methods and procedures necessary to
increase manufacturing productivity.
• Work holding tools – Jigs and Fixtures
• Cutting tools
• Sheet metal dies
• Forging dies
• Extrusion dies
• Welding and inspection fixtures
• Injection molds

3. Sheet-Metal Forming Processes

24. • Description:
1. Alloy: 1100, 1050, 1060, , 3003, 5052, 8011 etc.
2. Temper: H12. H14. H16. H18. H22. H24. H26. O etc.
3. Thickness: 0.01mm -- 3.0mm
4. Width: 100mm_1000mm
5. Packing: Export standard, covering with brown paper
and plastic film then packed with wooden case/pallet
6. Surface: Mill finish
7. Lead Time: Within 30 days
8. Payment Terms: T/T, irrevocable L/C at sight

25. • Description:
Aluminum strip for electrical transformers winding
Alloy: 1050, 1060,
Temper: O
Thickness: 0.2_2.0mm
Width: 10_1200mm
Inner Diameter: 300mm, 400mm, 500mm
Resistivity at 20 degree centigrade: Less than 0.02825Ω. Mm/m
Surface: Mill finish

26. Mechanical Press

29. Hydraulic Press

31. Progressive Die

48. Characteristics of punched hole and slug

49. Penetration
Roll Over + Burnish = Penetration

50. Percent Penetrations
Material % Penetration
Silicon Steel 30
Aluminum 60
.10 C Steel Annealed 50
.10 C Steel Cold Rolled 38
.20 C Steel Annealed 40
.20 C Steel Cold Rolled 28
.30 C Steel Annealed 33
.30 C Cold Rolled 22
E.V. crane, Plastic Working in Presses, John Wiley and Sons, Inc., New
York, 1948, p. 36