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Solidworks Gear Generator

by msruggles, published

Solidworks Gear Generator by msruggles Apr 26, 2011

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Description

This uses the spreadsheet from thingiverse.com/thing:7881 as a design table for a Solidworks part. Tested from 3 to 100 teeth at pressure angles of 14.5, 20 and 25deg. Currently only does straight spur gears, but it's really easy in Sldwrks to make an internal or helical gear.

I realize only a minority of people on this site use Solidworks. I use it a lot, and I'm all that matters in the end :)

Recent Comments

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That's a new one. Try downloading a fresh version of the file. Maybe yours got messed up somehow. Also, there are some tooth geometries that this file hasn't been tested for. If it is still giving you problems, let me know what parameters you want and I'll try with an alternate generator I have.

Hello! First of all, thank you for this tool. I do have a question though: The SolidWorks part that was created with this tool has teeth that are not symmetrical. That is to say, one tooth face is not the mirror image of the other. Is that intentional?

Hey, this is great. Thanks for putting this together!

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License

GNU - GPL
Solidworks Gear Generator by msruggles is licensed under the GNU - GPL license.

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Instructions

Open the part and edit the design table where you can change the module, number of teeth, pressure angle and profile offset (first 4 properties in the table). You can mess with more properties (addendum, dedendum, etc.) in the 'Calc' tab in the design table.

Comments

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ITgreybeard on Apr 11, 2014 said:

Hello! First of all, thank you for this tool. I do have a question though: The SolidWorks part that was created with this tool has teeth that are not symmetrical. That is to say, one tooth face is not the mirror image of the other. Is that intentional?

msruggles on Apr 12, 2014 said:

That's a new one. Try downloading a fresh version of the file. Maybe yours got messed up somehow. Also, there are some tooth geometries that this file hasn't been tested for. If it is still giving you problems, let me know what parameters you want and I'll try with an alternate generator I have.

djmcmath on Apr 6, 2014 said:

Hey, this is great. Thanks for putting this together!

Spikee on Mar 7, 2014 said:

Dude this is awesome.
For the people like me who don't know what to do whit these files:
open the Gear_Blank file with Solidworks -> In the left toolbar thingy (history , sensors , annotations,material ... ) -> Click on the 3th page (looks like 2 boxes on a staircase) -> right mouse on "Tables" -> Hide / show tree items -> right mouse on "Design Table" -> click on "Edit Table" -> exel thingy opens inside of solidworks -> edit the tables you like -> click outside of the excel thing -> the item will regenerate and you have your gear.

If this is all to confusing just google " Solidworks Design Tables" .

Anonymous on Feb 25, 2014 said:

Great work but Design tables, ugh. Something as simple as trying to change the teeth count becomes a PITA. Table!$C$3 then you look at other things that look at other things, etc... where it becomes a nested nightmare. :(

msruggles on Feb 25, 2014 said:

Yeah, design tables have their limitations, but it you only change the first four cells and ignore the man behind the curtain it works pretty well. I am working on condensing the equations so people can write code/make their own spreadsheet/whatever. There hasn't been a lot of interest for it, so it's low on my list of projects.

3dcgmodeler on Dec 23, 2013 said:

I do not know how to use Solidworks, I need a 32 tooth spur gear, 108 mm in dia 32 mm thick, Cna you help me Please

msruggles on Dec 23, 2013 said:

What file format would you like? STL? STEP?

sneakypoo on Nov 22, 2013 said:

Looks like just what I need. However... Is it still not possible to use anything but Excel to edit tables? This just boggles my mind. I don't really want to get Excel just to edit a few cells in a spreadsheet when I have a perfectly good alternative installed (LibreOffice). Why are they so stubborn?

msruggles on Nov 22, 2013 said:

I've tried in the past to save the spreadsheet in other formats, but the equations drop out. If you want, I can send you some of my source material and you can set up your own spreadsheet in whatever program you want. It won't integrate with SW like you can with excel, but you can save out a list of XYZ points and import the curves to SW.

jlanglands on Apr 19, 2013 said:

Please Help!

How do I changed the face width of the gear?

msruggles on Apr 19, 2013 said:

Edit the tooth extrude in the design tree. The face width is not controlled by the design table.

evokanevo on Apr 16, 2013 said:

Please help ... when I create a new configuration and update the design table for the number of teeth, nothing changes. Maybe the tooth profile changes (can't tell), but the tooth circular pattern feature's "number of instances" property remains fixed. I don't see how to link the number of repeats to the design table.

msruggles on Apr 16, 2013 said:

In short you can only have one gear per part file. There are several different ways of extracting a dumb model and inserting several non-configurable gear blanks into a part file and create configurations that way. Check with the solidworks community for tips on how to do that.

msruggles on Apr 16, 2013 said:

In short you can only have one gear per part file. There are several different ways of extracting a dumb model and inserting several non-configurable gear blanks into a part file and create configurations that way. Check with the solidworks community for tips on how to do that.

msruggles on Apr 16, 2013 said:

You can't create a new configuration. You have to modify the existing one via the first four cells in the design table. If you create a new configuration the equations won't transfer and general disarray will ensue.

msruggles on Apr 16, 2013 said:

You can't create a new configuration. You have to modify the existing one via the first few cells in the design table. If you try to create a new configuration the equations won't transfer, the sun will sink into a black hole and life as we know it will come to an end.

rob311 on Mar 28, 2013 said:

wow. I will figure out how to use this eventually...

bienardo on Feb 10, 2013 said:

Thanks works great with SW 2013.

DrBwts on Jan 19, 2013 said:

Cant get this to work. I'm using SW 2012 & keep getting a 'not enough memory' error, which I doubt is true as I have 6Gb & was only running SW with the blank gear file.

cadbou on Nov 15, 2012 said:

Thank you for sharing!  This is the kind of things that will accelerate the design process of the whole community!!!!

coreyfro on Jun 7, 2012 said:

This is SO F'N AWESOME!

Ugh, so much better than staring blankly at the machinists handbook for hours.

Anonymous on Jun 7, 2012 said:

thanks a lot for your gears msruggles,

i tried to make a beavel gear but i think it doesnt run smoothly....
any advice how i can make it better? the small gear has a diameter of 2,5 cm and the big one 8cm they are both 7,5mm thick and there is a angle of 45 degrees between them.
Do you have an example of a beavel construction in solidw
orks?
greetings jelle

msruggles on Jun 7, 2012 said:

I would look at the bevel gear section from the technical library posted on SDP: http://www.sdp-si.com/D757/D75... (download the gear section, the bevel gear section starts on page 48 of the PDF). That should give you an idea of how the geometry is set up. I don't have a solidworks construct at the moment, but it's on the list of stuff I want to do.

Anonymous on Apr 4, 2012 said:

Thanks a bunch! I needed this and it works great!

Anonymous on Feb 26, 2012 said:

Files saved in the current version of SolidWorks cannot be opened in older versions of SolidWorks. If you try to open a SolidWorks 2011 file using SolidWorks 2010, for example, you will get this error.

The recommended method for opening files from a future version is to Save As a Parasolid file (any version). Drawings can be saved as DXF/DWG (older version).

can you try this

msruggles on Feb 26, 2012 said:

If the file is saved out as anything other than Solidworks it will loose the design table. At that point you're better off taking the design table I posted and re-creating the model from scratch.

notloc on Feb 13, 2012 said:

This is EXACTLY what I was looking for!! Thank you so much! It's working great!

GWJax on Aug 5, 2011 said:

Thanks for posting this.. Now it will be easy to make my gears in SolidWorks.

Jax

MarcusWolschon on Apr 27, 2011 said:

Cool!

I can import solidworks.

Is there some 30 day trial I could use to run this and then import the created objects into my own designs?

(It seems they once had a 90 day trial but all the links are now 404)

msruggles on Apr 27, 2011 said:

Not that I'm aware of. If you have some specific sizes in mind I can generate and post some STLs or STEPs for you.

DrewPetitclerc on Apr 27, 2011 said:

I too use SW2010, any chance of saving back to 2010?

Merana33 on May 27, 2011 said:

Looks like I've got the same problem. :/ SW2010 here. And I was so excited too. Feel like sharing some insight as to how you produced this Msruggles?

Is it just me, or is there not a whole lot of information regarding how to make Spur/internal gears using Solidworks?

msruggles on Apr 27, 2011 said:

Looks like I can't save it as a previous version. Sorry :(

naveod on Apr 27, 2011 said:

You are not alone ! SW user myself.

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