JonReynolds
New member
Hi all,
Picture 2 rotating shafts, such as in an engine with balance shafts, so a crankshaft, with 1 or 2 separate balance shafts running alongside it.
In isolation, I can rotate each shaft and determine the force their out-of-balance masses create on their 'bearing surfaces' or onto the body they would be mounted in (engine block).
But what I want to try and do is rotate them simultaneously as see the overall effect they have on each other.
So for (simple) example, if I have 1 shaft that looks like this:
__p__
thats a shaft with an eccentric mass. If I spin it it will create an out of balance force due to the mass sticking out.
If I arrange another opposite it, so that when they spin in opposite directions, the masses cancel each other out, how can I determine this in Pro/mechanism?
I can set up the rotating shafts, I can gear them together, I can graph the reactions at their constraints (like reactions at their bearings), but how can I get an overall picture? So summing all the rotating forces of all shafts that would be acting on the block they are mounted in?
Phew... thanks in advance.
Picture 2 rotating shafts, such as in an engine with balance shafts, so a crankshaft, with 1 or 2 separate balance shafts running alongside it.
In isolation, I can rotate each shaft and determine the force their out-of-balance masses create on their 'bearing surfaces' or onto the body they would be mounted in (engine block).
But what I want to try and do is rotate them simultaneously as see the overall effect they have on each other.
So for (simple) example, if I have 1 shaft that looks like this:
__p__
thats a shaft with an eccentric mass. If I spin it it will create an out of balance force due to the mass sticking out.
If I arrange another opposite it, so that when they spin in opposite directions, the masses cancel each other out, how can I determine this in Pro/mechanism?
I can set up the rotating shafts, I can gear them together, I can graph the reactions at their constraints (like reactions at their bearings), but how can I get an overall picture? So summing all the rotating forces of all shafts that would be acting on the block they are mounted in?
Phew... thanks in advance.