I’m trying to specify casters (wheels) for a 900 lb instrument (408kg). The EN61010-1 safety standard doesn’t really cover this safety aspect. In our case, if one of the casters breaks the machine could tip over and cause injury.
Currently our mechanical people are looking at four casters rated 296 lbs each. I know if you roll the machine on an uneven floor all the weight can momentarily be on two or three casters which would exceed the weight limit. Is there a margin built into the caster rating to account for this situation? Is there a formula to use for calculating the distributed weight across the casters/wheels? It would seem logical to me that the wheels would not have to be rated any higher than ½ the total weight. Is there a standard for this? The only thing in the standard that I can find that is close is for handles which have to be rated 4 times the weight of the equipment. That would seem to be very over-kill in this case. Thanks to all for your help. The Other Brian. _________________________ LECO Corporation Notice: This communication may contain confidential information intended for the named recipient(s) only. If you received this by mistake, please destroy it and notify us of the error. Thank you. - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to emc-p...@ieee.org Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas emcp...@ptcnh.net Mike Cantwell mcantw...@ieee.org For policy questions, send mail to: Jim Bacher: j.bac...@ieee.org David Heald: emc-p...@daveheald.com All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to emc-p...@ieee.org Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas emcp...@ptcnh.net Mike Cantwell mcantw...@ieee.org For policy questions, send mail to: Jim Bacher: j.bac...@ieee.org David Heald: emc-p...@daveheald.com All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
