Comment "d" is just as vague as the table. I originally read "d" and it offers no insight as to the type of stress to evaluate.
"d" The limitation on stress in the base metal to 0.40 × yield point of base metal does not apply to stress on the diagrammatic weld leg; however, a check shall be...
I don't understand the following requirement under fillet welds in AWS D1.1 Table 2.3 (Allowable Stresses). See image.
"Except that the base metal net section shear area stress shall not exceed 0.40 x yield strength of the base metal."
Does this mean I need to only calculate the direct shear...
Thanks for the input. However, I don't actually want to know what the SCF (stress concentration factor) is at the toe of a fillet weld. The real question has to do with how codes deal with the SCF at the toe of a weld and how that is used to evaluate the base metal under static conditions...
How do I evaluate the nominal base metal stress at the toe of a fillet weld? The nominal stress is 19.2ksi and less than the plate's yield strength (30ksi), however I know a localized stress concentration (i.e. weld toe) exists at this location. I have searched a number of codes (AWS, IIW...
Hi Strong,
There is another thread on the same issue presented by a fellow engineer. We inadvertently both posted the same issue. His description has more information.
http://www.eng-tips.com/viewthread.cfm?qid=438357
Thx.
Hi,
Here is the external spline data.
The max torque for the electric motor is 340N-m. From a design perspective the spline seems adequate for the load applied.
It seems a little short and stubby, but adequate.
Thx...
btrueblood.
Here is an image of another failure. It looks like it has been cleaned.
The grease is never replenished. Once assembled, this spline is inaccessible.
As for the cylindrical section question, I'm not sure, but I would assume it is...
Here is an image of the coupling. I don't know if I can upload more than one picture per post.
Thanks.https://files.engineering.com/getfile.aspx?folder=b9621cf2-c306-434d-94a7-0375013ae437&file=spline_drawing.jpg
Hi. I am trying to understand the mechanism that is causing the teeth of this involute spline to fail within a moderate number of operating hours.
This is an image of a worn involute spline. This spline is from an electric motor with a moderate amount of hours. The female coupling spline is...
