O Ring Clamping Force Calculation

The o ring calculator tool is intended to form the basis of an o ring installation and assist with selection of o ring and hardware dimensions.

O ring clamping force calculation.

Calculate results reset calculator generate printable document results. The o ring selector covers both imperial and metric standards. This fastener bolt torque calculator will estimate the unknown torque diameter axial force applied and coefficient of turning friction for the given conditions. The force generated by the o ring compression can be calculated there is some data for this in the handbook link below but it s easier to just make up a rig and test it using the o ring compound of your choice.

Clamping force calculations can be quite complicated. You need to be registered and logged in to see the o ring calculation software. By simply entering installation specifications for an application it recommends o ring sizes housing layout and corresponding part numbers. O ring compression groove depth incl.

Info results at installation min. Login or register here to start the o ring calculator. See torque force design equations webpage and torque chart page for recommended fastener torque and equation data. This tool is optimized for desktop devices.

O ring compression force. Sometimes an approximate method is good enough. See the below compression force table along with the compression load tables in the links below. Recommendations are based on available technical information and are offered as suggestions only any reliance placed on such information by the user is strictly at the user s risk.

Both are interlinked thus ensuring the best possible combination of the calculated o ring size and material choice. Make sure the groove has more cross section area than the original o ring add a bit extra to allow for thermal expansion. Figure 5 primary wall contact stress profile for unrestrained unlubricated axially loaded o ring the only fixed case stress parameters results vernacular for this discussion includes primary wall and lateral wall the primary wall or walls are the surfaces which move together to force the compression of the o ring. Info o ring compression.

See table below for how much clamping force is available from manual clamp straps of various sizes with a 2 to 1 clamping force ratio to compare with power clamp forces.