On the issue of the use of o-rings sizes range

Release time:[2014-10-8]     Browse the number:8072

On the issue of the use of o-rings sizes range

Whether it is domestic or imported O-rings, the General did not mention provide specification in the sample or standard applies to what size of ring, even if there is also the more general. Such as GB1235 are generally used for more specifications of the outer diameter of the aperture, to know how much imports such as Parker O-rings also listed some specifications apply to the sample size.

But in many cases the direct access less than, a standard O-rings to the applicable size range is quite large, but this thing is supposed to hold it?

A scale version of O-rings in the end how to determine applicable size range?

Use different size when designing Groove, what about?

Here's the explanation probably, and we hope can help

First Groove designs, is with the seal design, material properties, operating conditions, Groove machining precision matching relationship is not a simple geometry calculations. A case study of o-rings, such as the static sealing seal, first look where sealing pressure from internal pressure was external pressure, the pressure requirements fit with the Groove outside diameter outer diameter of the o-ring, outside pressure o-ring inner diameter of the bore and Groove laminate. Interference, should be selected within a certain range, this interval, select large or small selection, depends on the material's performance in the operating mode, simply, is seeing the changes of modulus and swelling volume performance.

Sample or, standard or is does not put this things told have is detailed of, a is real knows of people not more, II is this design skills sometimes supplier will will its using for himself of orders protection strategy, if is using who will using its do himself of intellectual property protection, also on said, why we cottage foreigners of things, often even made exactly of also bad with, truth on in this. Because he is in terms of the analysis in terms of fit, we want to make somebody else's performance, only required size shape as is the key Groove components, seals and other performance accessories also have similar, if you can't do that, it's on his sleeve.

Again added point, so-called standard or sample inside of standard Groove, no people will prior told you, that is has must of using premise of, also on said, that Groove is in using NBR, General hydraulic oil, and normal temperature (60 degrees following), machine processing precision ideal of situation Xia, can reference, conversely, if material, and workers condition, and machine plus are has different of situation Xia, theory is to in that so-called of "standard Groove" of based Shang do moderate modify of, so don't superstition sample, and standard, and Machine manuals inside the "standard Groove".

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