If you don't know the operating pressure, it's difficult.
On the other hand, just the power pushing up is rather simple.
radius*radius*pi*pressure= force
For power in kg,
Xcm*Xcm*3.14*Ybar= Kg
I'm just looking for typical values though, so don't have any measurements (nor a pneumatic setup of ay kind) I'm afraid.
Would you mind substituting some in? Thanks.
For a low pressure system you normally run around 10bar:
And a normal ram may be 50mm bore
So:
2.5cm*2.5cm*3.14*10bar= 200kg roughly
Wow! What on earth does a HP system produce!?
in was looking at around a ton coming off the ram if i remember correctly. (50 bore 100 stroke)
That's FP.
2.5*2.5*3.14*55= 1079,375 kg - [0.1*0.1*3.14*55=1.727] = 1077.648 kg
So we're talking about 2,000N of force in a LP system and 10,000N in a FP system. No wonder they fling robots about so easily.
The pneumatic supplier I have recommend that I used an old style steel ram as it would be a lot stronger than a new aluminium one. But the problem is it ways around 6kg which I think is a lot! Are most people ok with 10bar aluminium rams? By the way the ram is 80mm bore and 160mm stroke which I might have cut down to 100mm stroke.
Use the Ali one.
The 70*100 steel ram I have here, and that's a FP one, is less than 1.5 kg, and messures only 155mm in total length.
Commercial rams are just not optimized for RW.
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