Gallery, Projects and General > The Design Shop
Variator for small lathe
Muzzerboy:
Nice work! Have you got some form of interlock to prevent the speed changer from running when the motor is stationery? Those Kopp variators don't like being moved when the shafts aren't spinning. Presumably powering the speed changer from the motor starter takes care of that.
BillTodd:
--- Quote from: Muzzerboy on September 30, 2023, 02:13:38 PM ---Nice work! Have you got some form of interlock to prevent the speed changer from running when the motor is stationery? Those Kopp variators don't like being moved when the shafts aren't spinning. Presumably powering the speed changer from the motor starter takes care of that.
--- End quote ---
Yes, super simple, the transformer that powers the dc motor is powered from the main motor circuit
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