Rollenprüfstand Spur N / Rolling road test stand scale N
thingiverse
You will need two "RollenPruefstandEnde", and one "Rollenbockgelagert" and one "RollenbockStiftlager" for each roller bracket. In addition, each roller block is equipped with 5 shafts Ø 3mm x 20-25 mm, 5 Ball bearing 683ZZ 3x7x3, and 2 springs Ø 5.7x5.7 mm or Ø 5x6 mm can also be used. For the end of each roll of the test bench, you will need 3 x screw DIN 912 M3x12 and 3 x nut M3. Two rods Ø8 mm are required to connect all parts. I use stainless steel for construction. For power supply, I have attached a 4 mm hole at each end of the rods, so banana plugs can be used or threads can also work. The springs press the shafts against the rods, ensuring that all 4 shafts of a roller bracket always safely transmit current. I have connected the sides rotatably, but the roller brackets are still easily movable.
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