Introduction: Lathe Banjo Lock
Build a wood lathe banjo lock.
Step 1: Design
Scribble some ideas.
Step 2: Hardware
1 bolt, 2 nuts and a washer.
Step 3: Wood
Cut a 2x4 to size and drill a hole in the center.
Step 4: Fasten Bolt
Fasten the bolt to the wood so it protrudes from one side and tighten.
Step 5: Fasten Banjo
Fasten the lock to the banjo. Use a wrench to tighten. If you want a more durable lock with greater movement another design follows.
Step 6: Hardware
Bolt, nut, round washer, square washer.
Step 7: Measure
Mark the washers for resizing.
Step 8: Cut
Saw or grind the washers to size.
Step 9: File
Fine tune the shape of the washers to perfectly fit the lathe bed.
Step 10: Weld
Weld the two washers together. I cold welded with JB.
Step 11: Nut
Weld the nut to the bottom of the square washer.
Step 12: Felt
This step is optional. I found the unit slid on the bed better with a fabric layer. Epoxy thin felt to the washer surface and trim.
Step 13: Finger Lever
Cut some metal to size and use as a finger lever. This avoids the necessity of using a wrench to adjust the banjo.
Step 14: Round
Round the edges.
Step 15: Weld
Weld the pieces to the top of the bolt head.
Step 16: Test
Put the lock to use and work out any bugs.
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Please be positive and constructive.