You strike the metal near the dolly, while the dolly provides "rebound" from underneath. This is used for roughing out the shape and moving larger areas of metal without thinning it. Why Specialists Look for the "Bible" PDF
Including the "toe," "heel," and "comma" shapes to match the various contours of a car body.
In panel beating, you generally want to reverse the damage in the opposite order it happened. You start at the edges of the dent (where the metal is under the most tension) and work your way toward the center (the point of impact). 3. Hammer and Dolly Techniques There are two primary ways to use your tools: You strike the metal near the dolly, while
At its simplest, is the process of removing dents from sheet metal while maintaining the metal’s original surface area and integrity. Unlike modern "replace-over-repair" mentalities, metal bumping relies on hand-eye coordination, the right tools, and an understanding of how metal moves.
Knowing exactly how much heat or force to apply to different gauges of steel. In panel beating, you generally want to reverse
Traditional techniques that offer more permanent, structural repairs.
The goal is to move the metal back to its original shape without stretching it, which would cause the panel to become "oil-canned" or flimsy. The Principles of Panel Beating Hammer and Dolly Techniques There are two primary
If you’ve been scouring the internet for the you are likely looking for the holy grail of automotive restoration. Whether you are a hobbyist restoring a classic muscle car or an apprentice looking to sharpen your shop skills, understanding the physics of metal bumping is what separates a "filler-heavy" repair from a true masterpiece.