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3/8" Drive for Olsson Block Nozzle Torque Wrench
This modification allows you to use a 3/8" drive socket with the Olsson Block Torque Wrench.3D printer parts and enhancements
Creative Commons Attribution Noncommercial Share Alike
Commercial use is not allowed, you must attribute the creator, you may remix this work and the remixed work should be made available under this license.
For use with Olsson Block Nozzle Torque Wrench available at the attribution link above.
I created new innards for the torque wrench by Anders Olsson that allows you to use a 3/8" drive socket rather than a 1/4" drive socket.
Socket locks in tight and shouldn't fall off. Fits in the original Torque Wrench body. I also modified the wrench to provide a bit more torque than the standard by increasing the central shaft diameter and thus shortening the fins and making them more rigid.
Materials and methods
I printed this with PLA with 100% infill and 0.1mm layer height on a UM2 printer using 0.4mm nozzle.
I've attached a screenshot of my Cura 2.6.2 settings for this print. Note: I changed the Infill and Skin overlap percentages for added strength.
See linked post by Anders Olsson for more printing information.
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I was actually looking for 3/8" drive 7 mm sockets when designing the torque wrench.
but they it turned out quite hard to get as single pieces for a reasonable price in Sweden.
So I ended up with the 1/4" drive even though it made the design a bit less robust than I would have preferred it to be.