Jan 16, 2010 #1 medo79 Mechanical Dec 29, 2009 53 Is it possible that the forward (drive) ballscrew efficiency is equal to backdriven efficiency?
Jan 16, 2010 #2 unclesyd Materials Aug 21, 2002 9,819 Here is some technical information from Nook Industries that maybe of assistance. http://nook.texterity.com/nook/linearmotiondesignguide/?pg=89 Upvote 0 Downvote
Here is some technical information from Nook Industries that maybe of assistance. http://nook.texterity.com/nook/linearmotiondesignguide/?pg=89
Jan 17, 2010 Thread starter #3 medo79 Mechanical Dec 29, 2009 53 Many thanks. However, this link doesn't show if the effecifiency is cinstant in forward and backdriven direction. Upvote 0 Downvote
Many thanks. However, this link doesn't show if the effecifiency is cinstant in forward and backdriven direction.
Jan 17, 2010 #4 BobM3 Mechanical Mar 27, 2005 670 Thk's link shows seems to show that they are nearly the same: http://www.thk.com/documents/us_pdf/products/.../en_A_661features.pdf Upvote 0 Downvote
Thk's link shows seems to show that they are nearly the same: http://www.thk.com/documents/us_pdf/products/.../en_A_661features.pdf
Jan 17, 2010 #5 BobM3 Mechanical Mar 27, 2005 670 Hmm, try this link: http://www.thk.com/documents/us_pdf/products/generalA/en_A_661features.pdf Upvote 0 Downvote
Jan 17, 2010 #6 israelkk Aerospace Dec 30, 2002 2,280 Back driving efficiency = 2 - 1/efficiency See SKF ballscrews catalogs technical data. Upvote 0 Downvote
