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Recent content by ZotariJohn
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Stretch Forming Force Calculation
berkshire - I ran a simulation over the weekend, and as described in your last post, the initial force is high and reduces in a non linear fashion as the displacement of the ram increases. This is due to the change in angle(as you mentioned) and also the sheet is decreasing in cross sectional...- ZotariJohn
- Post #8
- Forum: Aircraft engineering
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Stretch Forming Force Calculation
Firstly thank you for your comments, berkshire - I will ask if it must be in the T3 temper or if any other treatment is acceptable. Also, the machine is quite old, the jaws are not power retracting. They are fixed rotational. The CNC controller does require a distance, but I want to make sure...- ZotariJohn
- Post #5
- Forum: Aircraft engineering
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Stretch Forming Force Calculation
Hi all, I have started working on a problem at work. We have installed a machine for 'stretch forming'. The machine clamps a long sheet of aluminium at both ends, while a convex shape steel die is raised in the centre. The die is raised by a hydraulic system, causing the metallic sheet to...- ZotariJohn
- Thread
- Replies: 9
- Forum: Aircraft engineering
