Greetings everyone!
In this video you can see how I made a belt grinder from an old 370 watt three-phase electric motor. Its nominal speed is 2740 rpm.
The design is designed for tape size 50*915 mm (2*36 inches).
The private pulley with a diameter of 120 mm is glued from plywood and turned on a lathe.
And two rollers, one of which is barrel-shaped, are made of kaprolon. Their diameter is 60 mm, and the width is 55 m. Number 203 (CX company) put the bearings there.
The base plate, i.e. the frame, is 8mm (1/3 inch) thick machine laser cut. The lever is also cut from 8mm steel.
Side table size 200*120 mm (steel 6 mm).
The whole mechanism is driven by a three-phase motor of 2750 rpm with a power of 370 Watts. I connected this motor to a single-phase 220 volt network through a 700 watt frequency converter that I previously bought in China.
The whole structure turned out to be strong and compact.
The tape, during the operation of the machine, stands in place as if dug in.
Watch the video to the end, express your opinion.
Thank you for your attention, good luck!
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Email: migdiy2020@gmail.com