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| Name | V Bending Process | Air Bending |Definition| Metal Forming Process| PPT |ENGINEERING STUDY MATERIALS |
| Video Uploader | Video From Engineering Study Materials |
| Upload Date | This Video Uploaded At 25-04-2020 07:30:10 |
| Video Discription | V Bending Process | Air Bending |Definition| Metal Forming Process| PPT |ENGINEERING STUDY MATERIALS V Bending Process: While using a press brake and standard die sets, there are still a variety of techniques that can be used to bend the sheet. The most common method is known as V-bending, in which the punch and die are "V" shaped. The punch pushes the sheet into the "V" shaped groove in the V-die, causing it to bend. If the punch does not force the sheet to the bottom of the die cavity, leaving space or air underneath, it is called "air bending". As a result, the V-groove must have a sharper angle than the angle being formed in the sheet. If the punch forces the sheet to the bottom of the die cavity, it is called "bottoming". This technique allows for more control over the angle because there is less springback. However, a higher tonnage press is required. In both techniques, the width of the "V" shaped groove, or die opening, is typically 6 to 18 times the sheet thickness. This value is referred to as the die ratio and is equal to the die opening divided by the sheet thickness. In addition to V-bending, another common bending method is wipe bending, sometimes called edge bending. Wipe bending requires the sheet to be held against the wipe die by a pressure pad. The punch then presses against the edge of the sheet that extends beyond the die and pad. The sheet will bend against the radius of the edge of the wipe die. Bending is a process by which metal can be deformed by plastically deforming the material and changing its shape. The material is stressed beyond the yield strength but below the ultimate tensile strength. The surface area of the material does not change much. Bending usually refers to deformation about one axis. Tags: v bending die v bending press tool v bending machine v bending sheet metal v bending die design v bending tool design v groove bending v bending operation air bending process metal forming processes metal forming metal forming nptel sheet metal operations sheet metal work sheet metal sheet metal bending sheet metal forming process bending process bending press bending press machine bending process in sheet metal bending press tool design bending #V_Bending_Process #Bending_Process #Metal_Forming_Process #Sheet_metals #Metal_Working_Process #Forming #Engineering #Engineering_Study_Materials #PPT [1Jsxi-rAcNc] |
| Category | Education |
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