how to calculate force required for automated retaining ring installation - HELP!!!

[leoz]

Hi

I have to calculate press force required for pushing inner retaining ring on tapered (5-10 deg.)
bushing into the groove.
This is standard inner retaining ring for 42mm bore. To squeeze it to 42mm 285 N are needed at the plier tips.

PLEASE HELP!!!

THANK YOU

[jboggs]

Call a retaining ring manufacturer. There are several. Rotorclip is one of the biggest.

[leoz]

Thank you,

I've done it already - not much of help.

[jboggs]

Too many variables. Friction, surface condition, tooling features. Time for some testing.

[JAlberts]

One principal point of concern when installing these rings in this manner is the hardness of the surface in the taper. C-rings have very sharp and hard edges that can quickly cut into a tapered bore with soft surface when being installed without being otherwise compressed. For applications where an auxliary installation compression adapter is used this is addressed by using a very hard adapter material and/or surface hard coating; but, if the taper is in the mating part, this material selection or taper surface modification is often not appropriate.