Travel Bearings Motor
Travel Bearings Motor screw pitch and lead distance? hi I am designing a linear actuator for cutting plastic sheet. The actuator travel length is 1.5 feet. It employs a very thin cutting blade and ...
Travel Bearings Motor
screw pitch and lead distance?
hi I am designing a linear actuator for cutting plastic sheet. The actuator travel length is 1.5 feet. It employs a very thin cutting blade and it cuts micron thin sheet so practically very very low load application.
I drive the lead screw (which has low pitcht)using a 24v DC motor through direct couplin between ball bearings. It is very very slow, it takes 4 secs to complete one side travel.
Can any one provide me with a pitch which could provide maximum seed of travel.
the motor is a 3900rpm motor.
you dont give many details about the screw but the lower the pitch (fewer threads per inch or cm) the faster it will go. you are limited to 2 or 3 pitch sizes in standard off the shelf screws but any pitch can be made by a machinist. you can even make double triple or quadruple lead screws which will be much faster still. I presume your using threaded rod for the screw, if you increase the diameter then coarser pitches will be avalible.
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