1. The Basic: Sharpness versus Maintenance
Before you begin, you need to determine what the goal is:
Honing: Maintaining an already sharpened blade.
Sharpening: Creating a new edge.
Warning: Historical swords are often made from carbon steel. Removing too much material changes the weight distribution and structural strength of the blade. Only do this if it's absolutely necessary.
2. What You'll Need
Don't use electric grinders; these generate heat that can permanently ruin the heat treatment (hardening) of the steel (the steel becomes "soft").
Whetstones: Use quality whetstones with different grain sizes (for example, 400 for rougher corrections, 1000 for sharpening, 3000 for polishing).
Sharpening oil or water: Depending on the type of stone.
A sturdy workbench: Use a sword clamp or wood blocks to keep the blade completely fixed.
3. The Sharpening Process: Step-by-Step Instructions
Step 1: Securing
Clamp the blade firmly in place. You want the blade to stay still so you can maintain a consistent angle. Always work with the edge facing away from you.
Step 2: Determining the Angle
The 'bevel' (the angle of the edge) is crucial. Too sharp an angle makes the sword vulnerable to nicks on impact; too blunt an angle won't cut.
Maintain a consistent angle (usually between 20 and 30 degrees per side, depending on the type of sword).
Tip: Use a felt marker to colour the edge black. As you sharpen, you'll immediately see if you're hitting the right angle (if the black ink disappears, you're doing it right).
Step 3: Sharpening (The motion)
Move the stone (or the blade) in a smooth motion from the crossguard (the ricasso or the crossguard) to the tip.
Apply equal pressure on both sides.
Work with the 400 grit to remove any burrs or nicks from the steel. Then move on to the 1000 for the actual sharpening work.
Step 4: Honing and Finishing
Use the finer stone (3000) to remove the "burr" (the microscopically small metal edge that forms after sharpening). This ensures a more durable edge.
4. Aftercare: Protection
A freshly sharpened sword is extremely susceptible to rust because the protective layer ('patina') has been removed.
Cleaning: Thoroughly remove all sharpening residue and metal filings with a dry cloth.
Oiling: Immediately apply a thin layer of weapon oil or acid-free oil over the entire edge. This prevents oxidation.
Important warning: If your sword is a historical original (an antique piece), never sharpen it yourself. Professional restoration is required to preserve the historical value. Sharpening is only intended for replicas that are used for practice or demonstration.
Checklist for your maintenance kit
[ ] Set of whetstones (400/1000/3000 grit).
[ ] Weapon oil (available in our shop).
[ ] Microfibre cloths.
