"While an AC motor with a gearhead and/or speed controller and/or a brake pack could possibly do what you want, you may also need to add sensors along with a PLC to determine when to tell the motor to stop. At this point, you would probably be…"
Standard equipment is the quickest way to make a product. When no suitable equipment is available, custom designed equipment is next to be considered. Engineers with a roadblock in their design can discuss with others with this group.