Throwing is a metalworking technique used to elongate specific sections of a panel by hammering. It is often employed when shaping metal panels to achieve desired contours or forms, particularly when creating rounded or curved shapes along the edges of the panel.
In throwing, the metalworker strategically hammers the metal along the edges to gradually stretch and elongate it. This stretching effect increases the length of the outer edge while reducing its thickness, allowing the metal to conform to the desired curvature or contour without buckling or wrinkling.
When making a section rounded along both the inner and outer edges, which is to be folded along the outer edge, it’s crucial to ensure that the length of the outer edge is increased appropriately. Throwing achieves this by incrementally elongating the metal along the outer edge through controlled hammering.
By carefully manipulating the metal with hammer blows, metalworkers can shape and refine metal panels to create complex and aesthetically pleasing automotive bodywork. Throwing is often performed in conjunction with other metal shaping techniques to achieve the desired form and dimensional accuracy.
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