Download - Gp 2012 part 1
Press Tools
Madhukar Nagare
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
Sheet-Metal Forming Processes
• 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
• 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
Mechanical Press
Hydraulic Press
Progressive Die
Characteristics of punched hole and slug
Penetration
Roll Over + Burnish = Penetration
Percent PenetrationsMaterial % Penetration
Silicon Steel 30Aluminum 60
.10 C Steel Annealed 50.10 C Steel Cold
Rolled38
.20 C Steel Annealed 40.20 C Steel Cold
Rolled28
.30 C Steel Annealed 33.30 C Cold Rolled 22E.V. crane, Plastic Working in Presses, John Wiley and Sons, Inc., New
York, 1948, p. 36