Calculation formulas for the actual load carried by the new standard ear seats and supported bearings
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In the bearing standard JB/T4712, the formulas for calculating the actual load carried by ear brackets and supported bearings are specified; however, in the new standard NB/T47065, the value “4” in these formulas has been changed to twice that amount. Is this adjustment reasonable? What are everyone's thoughts?
Go and check the WeChat public account of Engineer Yang, a VCAD developer; he discussed an issue regarding the fact that \"pressure vessels are not easy to design ideologically\"”
There are doubts regarding this. I’ve heard that the value for the rigid ring added later becomes 4 again; many sources indicate 4 as well. I wonder what special considerations might be at play here – it seems likely to be a typo. As mentioned by the person above, there are formula derivations available on the WeChat official account
For the supported bearings under the new standard, the allowable vertical load is much higher – with the same thickness of the end cap, the allowable load under the new standard is several times greater; this increase is quite significant indeed:L
This NB/T47065 is full of errors; the people who developed this standard were severely criticized.
There are too many errors; it’s impossible to deal with them all, so it must be torn down and rewritten from scratch. :dizzy:
Is the coefficient 4 or 2? If uncertain, it is safer to proceed with design calculations based on a value of 4.
Is there no explanation for the new standard stripes?
Standards can also have typos. . . . . . .