Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

DIN 5440 Spline Addendum Modifications

DIN 5440 Spline Addendum Modifications

DIN 5440 Spline Addendum Modifications

Are there any rules to determine exactly when to apply addendum modification to a DIN 5440 involute spline? How is the amount of modification determined? Is this normaly given on the drawing as part of te spline spec.?

Thank you

RE: DIN 5440 Spline Addendum Modifications

The more information that you provide to
a gear manufacturer, the better chance you
have of getting the right parts.  The DIN
spec is important since it lists the major
and minor diameters as well as tooth thickness
and profile shift.  As in gears, splines, to
allow more balanced loading, the external
splines have a profile shift toward the od
to strengthen them.  I do not have the DIN
standard at home, so I will assume that the
profile shift is approximately 25 percent
time the addendum or module.  

RE: DIN 5440 Spline Addendum Modifications

the DIN splines use the profile shift for achieving the proper standardized main dimensions. One of them is the OD - the DIN standard splines allways create a small clearance for sliding - say - a standard ball bearing above them. Therefore the shift is different for differenf modules and OD's. I have a copy of DIN spline standard, please post here more data about your spline, I can help you to find more. By the way - DIN includes charts with ALL dimensions of the (finished) spline, you do not need to calculate anything unless you want to.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


eBook - Integrating the Engineering Ecosystem
Aras Innovator provides multiple options for integrating data between systems, depending on the scenario. Utilizing the right approach to meet specific business requirements is vital. These needs range from authoring tools, federating data from various and dissimilar databases, and triggering processes and workflows. Download Now
Research Report - Simulation-Driven Design for SOLIDWORKS Users
In this engineering.com research report, we discuss the rising role of simulation and the paradigm shift commonly called the democratization of simulation. In particular, we focus on how SOLIDWORKS users can take advantage of simulation-driven design through two analysis tools: SOLIDWORKS Simulation and 3DEXPERIENCE WORKS. Download Now
White Paper - Industry 4.0 and the Future of Engineering Education
With industries becoming more automated, more tech-driven and more complex, engineers need to keep their skills and knowledge up to date in order to stay on top of this wave—and to be prepared for the Industry 4.0 future. The University of Cincinnati offers two online Master of Engineering degree programs designed specifically for practicing engineers. Download Now
eBook - The Design Gridlock Manifesto
In this eBook, you’ll learn 6 ways old CAD technology slows your company down and hear how design teams have put those problems to rest. “The Design Gridlock Manifesto” shares first-hand modern CAD experiences from 15 companies around the world. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close