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Involute Splines

Involute Splines

Involute Splines

(OP)
I have a copy of 1973 SAE Handbook.  It references J498c for involute splines.

1)  What is the current SAE designation for involute splines?

2)  We need to design an external spline to mate with a vendor internal spline.  Machinery Hdbk lists only 30 deg, 37.5 deg, and 45 deg splines.  Our vendor spline is spec'd at 14.4 deg.  Is this really a spline or a gear?

3)  Is there a link on the web that will give us specific spline data.

Jesus is The TRUTH

RE: Involute Splines

(OP)
In ref to item 2);  in this instance it is gear of class comm 4 which is now designated as AGMA 9.  The application is applied like a spline and our guess is that the vendor wanted something unusual that would not be as readily copied as a standard spline could be copied.

Jesus is The TRUTH

RE: Involute Splines

(OP)
In reference to item 1); it finally dawned on me to type in sae.org for a web address.  Once there, type in involute splines and it lists all the relevant spec's.  Duh

Do i get a negative star for this one?

Jesus is The TRUTH

RE: Involute Splines

the reason a high pressure angle is
used for splines is that they are generally
stronger.  I would question why the vendor
chose the 14.5 degree pressure angle.

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