Once the panel is close to its original shape, use light, rapid hammer-on-dolly strikes to blend out tiny imperfections. The goal is to make the metal surface as smooth and uniform as possible. Step 5: Metal Finishing and Filing
The Key to Metal Bumping: Your Definitive Panel Beating Auto Body Repair Bible
Whether you are looking for an instructional manual, a digital reference blueprint, or practical workshop techniques, understanding the core principles of metal reshaping is essential for any automotive restorer or technician. 1. What is Metal Bumping?
The manual details specific mechanical operations using specialized Auto Body Tools :
: Focuses on the Fairmont method , which provides the reasoning behind each repair step to help technicians understand the "how" and "why" of metal movement.
The goal is to relieve the tension in the high spots to allow the low spots to come back up. 2. Essential Tools of the Trade (The "Bible" Kit)
Many specialized forums and restoration channels offer updated, visual guides on metal finishing Auto Body Restoration Guides. Conclusion: The Secret is Patience
. Silas wasn't just hitting the car; he was listening to it. He followed the "Bible's" secret for shrinking metal
A lighter hammer with a wider, flatter face for bringing up low spots over a large area.
Understanding how sheet metal behaves under stress is critical to mastering auto body repair.
When metal is dented, it often stretches. Shrinking brings it back.
The manual and modern practitioners emphasize two primary hammer and dolly methods:
The manual consists of approximately and over 100 illustrations detailing the "Fairmount Method" of repair.
In this method, the dolly is placed under a low spot, while the hammer strikes an adjacent high spot.
There are two primary methods used to hammer and dolly metal. Choosing the correct technique depends entirely on the state of the damage. Hammer-On-Dolly Technique
The Ultimate Guide to Metal Bumping and Panel Beating: Your Auto Body Repair Bible
Use this technique exclusively for smoothing out minor pimples, high spots, or sharpening crisp body lines. Overuse on flat areas will cause the metal to expand and bag. Hammer-Off-Dolly
