I used a pvc tube with diameter 26mm, cutted 90mm long. On the two tubes ends I used two plastic plate cutted as a circle with an hole of 3mm in the center. The axis was made by a threaded bar (3mm diam.)fixed by nuts. On the bottom roller axis, I insert a pulley made with three plastic circle, outside the main tube, connected to the motor.
The top roller was also covered with a thin film of aluminum. This to have the bottom roller surface with PVC and the top roller surfice with alluminium.
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what did you use for rollers?????
tikifish28 3 years ago
I used a pvc tube with diameter 26mm, cutted 90mm long. On the two tubes ends I used two plastic plate cutted as a circle with an hole of 3mm in the center. The axis was made by a threaded bar (3mm diam.)fixed by nuts. On the bottom roller axis, I insert a pulley made with three plastic circle, outside the main tube, connected to the motor.
The top roller was also covered with a thin film of aluminum. This to have the bottom roller surface with PVC and the top roller surfice with alluminium.
mscarpone 3 years ago