Hello,
Does anyone know what the nonmandatory appendices mean at the end of some of the ASME standards? For example, ASME B46.1-2002 has a nonmandatory appendix B. I'm wanting to implement a general note "SURFACE ROUGHNESS SHALL BE 125 MICROINCHES OR BETTER." But someone has discovered this...
Hello,
Is it standard to keep tangent lines shown on isometric views? Please see the sample file attached. For this particular part, it doesn't seem like it adds clarity by keeping the tangent lines. It seems more confusing for me to have them, but that could just be me. I typically prefer...
Is it acceptable to callout a reference dimension that also identifies number of places? For example:
(8X R.02)
It looks odd to me. I would just like to know if it is considered best practice.
Thanks!
Lisa
An engineer is challenging me on what I have always considered basic dimensioning rules. He puts center marks on every single hole in every view. I typically only place center marks in views where the feature is dimensioned. The engineer wants me to give him an ASME requirement that mandates...
