how to build a brake drum forge

How to Build a Brake Drum Forge

Building a brake drum forge is an excellent project for blacksmithing enthusiasts and hobbyists alike. A brake drum is made from cast iron, which can hold heat well, making it a perfect choice for a homemade forge. In this guide, we will cover the necessary materials, tools, design considerations, and steps to create an efficient brake drum forge.

Materials Needed

1. Brake Drum Obtain a used brake drum from an automobile junkyard. Ensure it’s intact and devoid of rust or major cracks. 2. Steel Plate A piece of steel plate will serve as the base for your forge. This is where the brake drum will sit.

3. Insulation Material Consider using a ceramic wool or fire bricks for lining the inside of the brake drum to retain heat.

4. Blower or Fan A hairdryer or an electric blower for supplying air to the forge, making the fire hotter.

5. Fuel Charcoal is often used in forges because it burns at a high temperature. You may also consider propane or other gas sources.

6. Welding Equipment A MIG or stick welder for assembling parts together.

7. Basic Hand Tools Hammers, chisels, wrenches, and other hand tools will be required for the build.

Design Considerations

Before starting your project, consider the size and shape of your brake drum forge. A typical brake drum forge should have a user-friendly height and be easy to access. It should also have ventilation for the blower while ensuring air circulation is directed properly into the fire area.

Safety First Ensure your workspace is clean of any flammable materials. Proper safety gear including gloves, goggles, and a mask should always be worn while working with tools and materials.

Step-by-Step Construction

Step 1 Prepare the Brake Drum

Begin by removing any dust, grease, or residue from the brake drum. If necessary, sand down any rough areas to create a smooth surface. Inspect for any cracks that may affect its integrity as a forge.

Step 2 Create the Base

Cut the steel plate into a suitable size for your brake drum to sit securely. This platform should be sturdy enough to hold the weight and withstand high temperatures. Weld the plate to ensure it is stable and will not tip over during use.

Step 3 Install Insulation

Line the inside of the brake drum with ceramic wool or fire bricks. This insulation will help retain heat, allowing your forge to efficiently reach and maintain high temperatures. Make sure to leave an opening for the air inlet.

Step 4 Set Up the Air Supply

Install your blower or fan at the designated opening. The air supply is crucial for achieving the hot temperatures required for forging metal. Ensure the blower directs air into the center of the forge. You can create a simple chute that leads from the blower to the opening in the brake drum.

Step 5 Fuel Loading and Testing

Before starting your forge for the first time, load it with charcoal or your chosen fuel. Make sure to stack it in a way that allows airflow and oxygen to support combustion. Power up the blower and ignite the fuel, monitoring the forge's temperature as it heats up.

Step 6 Final Adjustments

Observe the operation of the forge and make any necessary adjustments to airflow or fuel load to create optimal burning conditions. Ensure that the temperature is hot enough for the types of metal you plan to work with.

Conclusion

Congratulations! You have successfully built a brake drum forge. This forge will be a valuable tool for your blacksmithing projects, allowing you to create and shape metal with ease. Remember to always prioritize safety and keep your workspace organized. Happy forging!