SPLINED SHAFT - ISO 4156 - DIN 5480

[mafer78]

Hello experts,
someone know if exist a macro and/or script for create a SPLINED SHAFT according to the spec mentioned in the subject?

BR
//mafer

[ppemawm]

create a SPLINED SHAFT

Check out the Part Design involute gear feature. I do not know, however, if it meets your spec.
http://www.freecadweb.org/wiki/index.ph ... voluteGear

[mafer78]

many thanks for your feedback, I have already seen the page that you've linked and the profile seem to be different and not really compliance to the standard ISO 4156 - DIN 5480
BR
//mafer

[mafer78]

no other one can help me?

If there isn't a macro like "screwmaker" and/or script for this splined shaft someone can help me to produce a profile via sketcher?

//mafer

[bejant]

someone can help me to produce a profile via sketcher?

Hi, what are the measurements of the profile?

[mafer78]

Sorry for delay in my answer but I trying to put all data inside a excel file,it is possible to found in attachment.
BR
//mafer

[bejant]

I came up with this but you should check it. Anyway, it should be enough to get you started.

20150111b-shaft.png (6.56 KiB) Viewed 8547 times

20160111b-shaft.fcstd

(36.68 KiB) Downloaded 416 times

OS: Ubuntu 14.04.3 LTS
Word size of OS: 32-bit
Word size of FreeCAD: 32-bit
Version: 0.16.6203 (Git)
Build type: None
Branch: master
Hash: 64a20a83ccf14c5eea43b0f5b0f5191db014c022
Python version: 2.7.6
Qt version: 4.8.6
Coin version: 4.0.0a
OCC version: 6.8.0.oce-0.17

[mafer78]

great great.....many many thanks.

Could be possible use the file also for the hub design according to the profile?or I've need to update it.

BR
//mafer

[bejant]

many thanks.

You're welcome. I did notice that in Sketch001 I had drawn 9 equal length construction segments inscribed on the profile reference circle, but there should be 10 segments. Also, the shaft tip circle should have a radius of 6.8125 mm.

Could be possible use the file also for the hub design according to the profile?

Sure, and you can have the hub and shaft in one FreeCAD document. But first you'll need to correct my mistakes.

A heads up: In the spreadsheet you posted, "Root circle diameter of hub" and "Root form circle diameter of hub" are listed twice; the ones with the smaller value would be for the shaft.

I might be able to look at it again later today...

[mafer78]

could be fantastic I'm waiting for feedback.

In the profile image:
Tip circle diameter of hub da2
Root circle diameter of hub df2
Root form circle diameter of hub dFf2
is referred to the hub while
Tip circle diameter of shaft da1
Root circle diameter of hub df1
Root form circle diameter of hub dFf1
is referred to the shaft

in the profile image attached the Root circle and Root form is used for different line.

I'm not really sure that I can update the 9 segments to 10 , I can try.
The reference diameter is 15mm is highlighted in red on my excel table.


Do you think that is possible to create a script/macro that could design automatically based on some inputs?

BR
//mafer