Find the most up-to-date version of JIS D at Engineering Hi – I am trying to design a hub with female splines to fit with a shaft, that has the following splines: [u]Axle Info[/u] * Spline Std = JIS D In Design Accelerator’s Involute Splines Connection Generator are Japanese Standards missing. Please add JIS D (Involute spline for.

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I am designing the hub for a sliding fit, so per pg of the JIS B document I sent you, the tolerances are: Inspection of a sample production axle here shows no chamfer on the tooth tip, so the shaft is probably designed for tooth flank fit. Hi – I am trying to design a hub with female splines to fit with a shaft, that has the following splines: Do you have more information on the shaft such as measurement over pins or circular tooth thickness?

The pressure angle also varies along the involute curve, starting at the base circle all the way to the tip of the tooth.

So per the table on pgthe shaft falls into the class a or “loose” tolerance class. If possible can someone point me to a program that can create the spline data for importing into Unigraphics, or a program that can create a.

Regarding the shaft, I do not have any information on the circular tooth thickness.

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Register d2001 while it’s still free! Any thoughts as to how I might have worded my response would be appreciated. This results in minimal static torque reaction between the hub and the shaft. Thoughts kis comments on this? That would clear things up for them. It’s easy to join and it’s free. I’ll then get back in touch with you so as you can send me a copy of the specs. There is no power transmission between the shaft and hub.


Download Now Defense manufacturing is all about d0201 manufacturing and project accounting. Don’t post your email here or your post will be deleted from the forum.

Do you have a sample shaft? In this application, the type of fit can be sliding or clearance type fit. I must have typed that wrong. JIS D is for automotive splines with 20 deg P.

Help on JIS D/JIS B spline – Gear & Pulley engineering – Eng-Tips

Click Here to join Eng-Tips and talk with other members! Also I am considering designing the gear tooth profile without the involute shape, just a straight line, since there is no power being transmitted if I can’t get the involute profile data.

The generated pressure angle will be different depending on the amount of profile shift or addendum modification. This applies to either female jos male splines, correct? Also if jiz could, could you draw out a. The old “generated vs base pressure angle” problem again.

The only thing that can change the base pressure angle is the tool used. I need to create a 3D model of the hub, so that the “mold” can be made for the powdered metal production tooling. Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. I have another question about the involute spline standard I sent you.

Or maybe someone can be kind d201 to create the info for me and post it? Join your peers on the Internet’s largest technical engineering professional community. How did you come up with the tool form to create the drawing you sent to the tooling supplier? I sent the tooling drawing to the broach tool maker, he thinks the PA should be 30 deg, but I am assuming he is used to making ANSI spec broaches which probably have a 30 deg PA.


My understanding that per the JIS D spec, the PA is 20 deg at the base of the tooth, and due to the nature of the involute shape, the angle at the pitch diameter is 30 deg, where the teeth theoretically meet. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. Download Now White Paper: So per pg of the spec, I would classify the fit as “loose” or at best “sliding”.

Students Click Here Join Us! Close this window and log in. Regarding the PA, thank you for catching my mistake. I though I’d share the follow ups via email on this thread.

Involute Spline

Do you have a sample shaft to work from? My guess is that the shaft is made per the class a loose fit. So for the hub, per the table on 2d001I am assuming the following tolerancing: The Eng-Tips staff will check this out and take appropriate action. Defense manufacturing is all about project manufacturing and project accounting. If the tool is 20 degrees then the spline should be defined as 20 degrees.

The hub’s function is allow the shaft to be fixed, when removing a mating part off of the end of the shaft threaded end.

However the pressure angle at the base circle can not change and in this case must always be 20 degrees, this is the important thing to remember as the base circle is what the involute curve is derived from.

In other words, what tolerance or type of fit will you require between the mating parts?