rfq page next index page home page 5 ball and acme screw drive mechanisms this ... most of the more common types of drive mechanisms found in linear motion machinery ... ideally a drive system should not support any loads ... speed pitch life cycle application and maintenance each type of drive system ... will be accompanied by a diagram and useful equations when applicable some ... of the terms used with screws the most common drive component are as ... of the nut along the length of the screw per revolution distance between ... teeth found along a unit length of the screw 1 pitch number of helical grooves ... at base of threads specific type of acme thread where the root diameter is ... larger to provide for a more heavy-duty screw the threads look stubby operating ...
page home page technical information ball screws are very similar to lead screws ... with the exception of a ball bearing train riding between the screw ... ball nut balls and nut in a recirculating raceway this ... raceway is generally ball screw lubricated which allows for predictable ... due to the increased number of mating and moving parts matching tolerances ... becomes more critical the screw threads have rounded shapes to conform ... to the shape of the balls the function terminology and formulas ... are the same as found with lead screws however the performance ball return of ... ball screws is far superior the rolling action of ... the balls ve rsustheslidingactionofthe ac menut ... ball screw system provides significant advantages ...