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I have tried internet searches and asked a few old classmates about it, but I haven't received an answer as of yet. I am sure there is an easy explanation to this, but I just don't have the resources unfortunately to figure it out. I will post the answer if I get anywhere though.

Hello All; I have a question about SAE Standard Splines. In my Machinery Handbook (27th Edition), pages 2184-2185 provide the dimensions and tolerances of the "Hub portion" for three different classes of splines(Permanent, slide no load, and slide with load). I am confused as to dimensions and...

Thanks! I preformed the analysis and found the max stress to be about 57,000 psi, so I stated that number and then stated what I figured the yield was for that kind of material. Then told him he needs to check that number with his steel supplier because they know the values where mine is only...

To better sum up my question: Does 4140 HTSR, have any tangible material specs? I need yield strength for FEA analysis. If there are specifications what are they/where can I find them? If not, I will need to find more information.

Hi all; I have a question. I am looking at an application where a 4 in shaft is being used to support an overhanging load that is barely spinning (less then 5 rpm). So a shaft with two bearings supporting a load that is to the right of BOTH bearings. I was given the shaft size and that the...

To electricpete: Ref: "If you cross-post, you should cross reference your threads and direct all responses to one or the other." Sorry, I have no idea how to do that. I was just trying to reach people from both fields as I wasn't sure which would be more relevant.

To unclesyd; The stepped recess in the back of the spline is a mount for a thrust bearing.

Hello All; I have a question concerning the hardness requirements for a ball bearing housing or shaft mount. Is there a minimum hardness for the shaft or housing to make sure that when a bearing is installed it receives the right amount of crush? Does the hardness matter?

Hello All; I have a question concerning the hardness requirements for a ball bearing housing or shaft mount. Is there a minimum hardness for the shaft or housing to make sure that when a bearing is installed it receives the right amount of crush? Does the hardness matter?

To mfgenggear: Thank you as well. :)

To Redpicker/Corypad; Thank you for the posts. I thought I would mention a bit about core requirements, as I realized I had left some information out. I am expecting a load of about 9,000-10,000 ft*lbs of torsion transmitted from the Spline to the Ball Grooves of the shaft, so the core would...

To all; Thank you for your responses I appreciate the insight. To mfgenggear: "Qty" is of no importance, just quantity of part setup as a default in my CAD program, sorry, should taken it out... Also, I am not familiar with this term, "15N 90.2 @ .005 case depth", Sorry I wonder if you could...

Hello, I am an EIT working on a prototype. I have a drawing attached in JPG format of the component I am interested in Heat Treating. I am currently thinking a Rc Hardness of 58-64 at a case depth of 0.060". I am new to the whole heat treating process, so I have a few questions that I was...

Anyone have any insight? I appreciate the responses but I don't feel that this question has been addressed... What are the values in the Machinery Handbook representative of? What should I use for shaft dimensions if this dictates the sleeve dimensions? I am lost.

I have a question about the Torque Capacity of SAE Standard Splines. When I referenced my Machinery's handbook (27th edition - page 2185) for SAE Standard Spline tolerances and torque capacities, i found the numbers hard to understand. For a spline of the same nominal diameter: A "permanent...

Thanks so much for all your inputs! Tmoose, The ball spline looks like exactly what I want to do, I didn't realize there was so much info on it, I guess you just need to get the right vocabulary and google then tends to be a big help. Cheers!

I am looking at a unique application where I am planning on using ball bearings to transmit torque between two mating shafts. I have uploaded a picture of the general idea. (Forgive me the picture was done quickly with paint.) There is only one ball in the picture but this will be copied several...