Three chambers rotating cylinder
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A manual rotating cylinder for estimating the angle of repose of sands, soils, clays, and powders in general.
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A rotating cylinder for estimating the angle of repose of sands, soils, clays, and powders in general. It is designed for manual rotation.
The object was designed to COMPARE 3 types of sand with each other; in fact, it consists of 3 cylindrical chambers measuring 200x16 mm, separated by 2 mm thick glass plates (210x2 mm; 3 discs). In addition you need:
8 Bolts M3x65 or M3x60 (for rotating cylinders)
4 Steel ball bearings 8x19x6mm (for supporting base)
The individual chambers are filled through a threaded hole with an 8 mm diameter (I have prepared a small funnel for (partial) filling of the individual chambers). The hole is closed with a plastic screw (caution when screwing it in for the first time, as it is necessary to force it a little and there is a risk of breaking the screw: proceed slowly, going back and forth).
The print profile also includes a cylindrical box for storing the glass discs if the device is disassembled (max 5 discs 210*2 mm).