Hi All,
Need help with choosing the correct material modifier for press fit holes (H7), while using a positional tolerance.
Need to position TWO HOLE PATTERN (Diagonally placed on a rectangular plate) with a position tolerance, Dowel pins to be fitted to these holes, these dowel pins(m6) will be...
Hi All,
I need your help.
I have two 3mm steel sheet. I want to connect both of them with the screw stud.
Also I don't want the screw surface to protrude over the sheet on both sides.
Is there any self tapping screw studs available? if So can anyone help me with the Standard of screws? Is there...
Dear All,
I had completed ASME GDTP technologist certification in 2011 on 1994 std.
Now I am planning to prepare for ASME GDTP senior level exam.
Could any one help me to understand.
1)How Technologist level exam is different compare to senior level exam?
2)Is the questions are more related...
Hi,
Thanks for the reply.
One such method I found recently was, I was editing the linked body in the part navigator, by edit with roll back option and then linking to the new body. By doing so I was missing the associativity on some of the section curves which was already made, then the other...
Hi All,
Could any one of you tell me the best practices that needs to be followed while adjusting the NX models based on the existing files. Most of the times we have to use new part file instead of the existing one, and still maintain the associativity of all the child features. How best this...
Hi,
Appendix B of 2009 std explains the formula for Fixed and Floating fasteners.
For some reason if I want tapped holes on both the plates. How to calculate the positional tolerance for such cases?
Can anyone help please me on this.
Hi,
I am referring to figure 4-29 of ASME Y14.5-2009 standard.
Could anyone help me to understand the concept clearly.
1) The datum feature "B" is a semicircular surface (feature). Since there is no opposed surface to this, it is not a feature of size, But in fig (b) Datum B is identified with...
Hi,
In continuation to the above discussion, now I got some more doubts.
1) Is adding the LMB for datum feature A, change the Min wall thickness?
2) Does it also means, when datum feature A produced at LMC, it should have perfect form?
Hi pmarc,
Thanks for the reply.
I was calculating the minimum thickness as below.
The boundary for inner dia = 16.5 + 0.1 + 0.2 (pos tol) = 16.8
The boundary for outer dia = 20.3 (lmc)
Minimum wall thickness = (20.3 _ 16.8 )/2 = 1.75
But, you have mentioned that the min wall thickness is 1.65mm...
Hi,
Please see the attached drawing. The left side of the drawing where the min wall thickness is controlled using a note. Where as the right side shows the same part is made with GPS to control the Min wall thickness. Is the drawing with GPS adding any additional value compare the one shown in...
I am trying to use Fabric Flat pattern to foldout a surface. I can see on the screen that the meshing is not covering the entire surface of the sheet body. I tried to even vary the primary and secondary orientation directions slightly, which improved to some extent, but could not mesh the...
Hi All,
I need your help. I am asked to check the surface quality of a turbine blade. Never worked on this activity before. What are all the commands available in NX and how to judge/check the surface quality. Please help me on this. We use NX8 in our organization.
Hi,
I need your help in defining the right size holes while making the drawings. Is there any ISO metric standard available to know the standard drill size. Can anyone help me to find the standard.
Thanks for your help in advace.
Hi All, Thanks for your reply.
In the example you shared "ISO 2768-m" , there is no grade specified for the geometrical requirements. Is this complete/correct? Since ISO drawings are based on Independency rule (unless we use E modifier) how the geometrical requirements are controlled...