Wallemac CP15A-BS Wallemac Wood Chipper Shredder Replacement Blade/Knives Set (Qty 3) WCP15A Series Model Compact Wood Chippers (Blades Only)

How Long Do The Blades Last?
This would largely be dependent on several factors including the material used for wood chipper blades as well as what it is being used for (size and type of wood). tougher wood like oak and maple will put a much bigger stress on your wood chipper blades than the softer varieties like pine.

Regular Maintenance
To extend the lifespan of your wood chipper blades, proper maintenance has to be observed and practiced on a regular basis.

Check each knife for signs of dullness.

Check all knives for chips and cracks on both sides. Using a chipped or cracked knife is dangerous and can cause accidents and will also damage the wood chipper. Ensure that all knives are tightened to the torque specifications provided by the manufacturer. If done improperly, the knife can become wedged underneath or pushed out to a point where it will strike the anvil.

You must always keep your personal safety in mind when performing these tasks. Always wear protective gloves and use lock pins and drum wedges where needed.

When to Replace Blades

The appearance of a chip or crack is not necessarily a sign that your wood chipper blade or knife needs to be thrown away. If the chip or crack is less an inch, it can still be sharpened and used inside the machine. When doing this, make sure that only an industrial knife grinder is used as this machine will keep the knife cool. A knife can be sharpened up to three times on each side before it is no longer suitable for use in a wood chipper. When putting in the replacement blades, be sure to follow the manufacturer's instructions to the letter to avoid any accidents.