Lead Screw: Difference between revisions
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rapidly.[http://www.thomsonlinear.com/downloads/articles/Why_Lead_Screws_Best_Fit_Linear_Motion_Applications_taen.pdf] | rapidly.[http://www.thomsonlinear.com/downloads/articles/Why_Lead_Screws_Best_Fit_Linear_Motion_Applications_taen.pdf] | ||
With a distance per revolution of 8 mm, 500 rpm translates to a linear operating speed of ca 55 mm/s, which is a normal RepRap print speed. | With a distance per revolution of 8 mm, 500 rpm translates to a linear operating speed of ca 55 mm/s, which is a normal [[RepRap]] print speed. | ||
Revision as of 13:00, 7 January 2016
Overview
A lead screw use a helix angle and a nut to convert rotary motion onto linear motion.
Life time and Maintenance
Life times are typically long and maintenance consist of lubricating.
For accurate life time estimations, a case study under controlled conditions similar to the use case is required. Theoretical estimates of life times are often based on specified recommended design load and typical operating speed. It is recommended to do these calculations if you'r lead screw are going to operate at 500 rpm or higher. In the case where the combination of loading, speed and duty cycle exceeds a certain limit, failure is predictable and will occur rapidly.[1]
With a distance per revolution of 8 mm, 500 rpm translates to a linear operating speed of ca 55 mm/s, which is a normal RepRap print speed.