- 1). Use a torch or abrasive saw on a 9-inch right angle grinder to cut a block of steel a few inches longer than the item you need to hammer. Small anvils can be 12 by 6, and can also be made from a length of railroad rail. Medium anvils can be 12 by 24 blocks of steel, and large anvils can be made from 18 by 24 or 18 by 30 blocks.
- 2
Cut anvil profile from a block of steel.
Shape the rail profile using your torch or abrasive saw so that it resembles the diagram. - 3). Grind all surfaces with a 24-grit wheel to rough grind the shape of the anvil and smooth the roughest areas.
- 4). Grind all surfaces with an 80-grit mop or flapper disk to remove any remaining burrs and give your anvil a rough-polished finish.
- 5). Place anvil on a stand or stump at a convenient height for you.
- 1). Use a 110-volt gasless MIG welder to attach a trailer hitch ball to the flat top of a large-diameter piece of rebar.
- 2
Practice MIG welding by making ball stakes from rebar or railroad spikes.
Grind the welds until they are smooth, as in the diagram. - 3
Hardies are used to cut hot metal.
Weld a square of steel to a length of square steel bar stock as shown, to make a cutting hardy. - 4). Cut or grind away the areas in yellow as shown in the diagram that accompanies the previous step.
- 5). Finish with a 24-grit grinding wheel and an 80-grit mop or flapper wheel.
- 1). Obtain a large, decommissioned oxygen tank from a welding supply company. You may have to make several calls to find a company that will sell one.
- 2
A decommissioned oxygen tank can be used as a dishing anvil.
Bury the tank upside down so that 2/3 is still above ground. - 3). Use an 80-grit flapper wheel or mop disk on a right-angle grinder to finish the surface.
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