How to Cut Drum Bearing Edges

Written by david shaw
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How to Cut Drum Bearing Edges
Drum shells are made from various types of woods to create different tones from the drum. (Jupiterimages/BananaStock/Getty Images)

Cutting drum bearing edges is performed when building drum shells from scratch. A drum head lays on the drum bearing edge and is held down using a rim or hoop and drum lugs to secure it to the shell. Cutting the drum bearing edge requires a routing table and sanding table. This will allow you to cut the edge at an angle and sand the apex of the edge to form a smooth rim for the drum head to lay on.

Skill level:
Moderate

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Things you need

  • Sanding table
  • Routing table
  • Sand paper
  • Spray adhesive
  • Router
  • 30- or 45-degree router bit

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Instructions

  1. 1

    Check to ensure you are starting with an even surface. Lay the drum shell down on a flat surface and make sure the edge is touching the surface on all sides. Light sand any areas that require adjustment with a 120-grit sandpaper.

  2. 2

    Use a routing table and a router with a 30- or 45-degree angle bit, to cut the bearing edge angle. Place the drum shell on the routing table so the router bit is positioned inside the shell of the drum. Turn on the router by pressing the "Power" switch.

  3. 3

    Turn the drum shell as the router cuts the angle into the wood. Rotate the shell until the angle has been cut around the entire edge. Flip the drum shell over and repeat this step to cut the bearing edge on the other side.

  4. 4

    Sand the point of the apex flat to provide a smooth flat surface for the drum head to lay on. Place the drum shell on a sanding table equipped with 120-grit sand paper with the recently cut edge touching the sand paper. If you don't have a sanding table, you can glue sand paper onto a table by spraying the back on the paper with spray adhesive. Grab the edges of the drum shell and work the shell in a circle until you have a smooth edge on the apex of the drum bearing edge.

  5. 5

    Hand sand the drum bearing edge with a lighter grade sand paper to smooth out any rough areas.

Tips and warnings

  • Apply tape to the outer edges of the drum shell to prevent the router or sand paper from damaging the outside of the drum shell.
  • Always use caution and safety gear when using power equipment.

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