The last challenge is to create the features so that the saved iFeature can be placed with a single reference to a point on a sheet metal face. The solution is to add the revolved shape shown in Figure 3, and then cut out inside the dimple using projected sketch geometry from the initial revolved feature. This means you must define the deformation before the cutout. The jug, realistically modelled as Punch & Judys faithful dog Toby was. That won't work in this case because the bottom diameter and angle variable control the size of the cutout. Trevanion & Dean are Fine Art Auctioneers located in Whitchurch. The obvious approach when creating a dimple is to cut out the shape in the sheet metal part and then add the deformed shape to "fill-in" the cutout. The request was for a dimple iFeature that was filleted to match the BendRadius setting for the sheet metal style and whose size was controlled by the diameter at the bottom of the dimple (see Figure 3). The iFeature we'll create in this tutorial arose from a request from Kent Keller in the Autodesk Inventor discussion group. Although iFeatures can i nclude mult iple placement references (planes, edges, and even sket ch geometry i n Autodesk Inv entor 5), an iFeature that has a single placemen t referenc e (placement plane) will usually be more reliable when placed as either a standard iFeature or punch. The definition of these shapes often requires multiple features, which can i nclude cuts, ex trusions, r ev olv es, or sw eeps. iFeatures that represent deformations, such as dimples and louvers, present a greater challenge.
Related Categories: Louver Dies Punch Press Dies Louver Tool. Figure 2: To ol center c ontroll ed by equat ion. 4 inch wide dome style individual louver punch and die for Mittler Bros.
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