finyuk2005
Member
- Messages
- 616
Hi there
My younger brother was asking for my advice with quite an interesting problem that unfortunately i haven't been very helpful with!
He is needing to draw up a system to open 4 flaps 90 degrees, (think ventilation outlet with movable flaps)
I thought it should be fairly simple, but he is struggling to get it to work as the shaft spacings are already set,
So how would you calculate the diameters of the 4 pinions and the tooth spacing of the rack? So far when he tries to draw up (in CAD) more than one pinion on the rack it all binds up
failing that he might just have to redesign the housing to make the spacings fit with a standard size of rack and pinions
hope some of that makes sense!!
cheers!
My younger brother was asking for my advice with quite an interesting problem that unfortunately i haven't been very helpful with!
He is needing to draw up a system to open 4 flaps 90 degrees, (think ventilation outlet with movable flaps)
I thought it should be fairly simple, but he is struggling to get it to work as the shaft spacings are already set,
So how would you calculate the diameters of the 4 pinions and the tooth spacing of the rack? So far when he tries to draw up (in CAD) more than one pinion on the rack it all binds up
failing that he might just have to redesign the housing to make the spacings fit with a standard size of rack and pinions
hope some of that makes sense!!
cheers!