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Unread 22-06-2014, 16:01
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Re: Part nomenclature for COTS gear CAD library

In terms of ease of identifying known parts, folders by company followed by part numbers is probably the best solution. In terms of ease of design with unknown parts, sorting by gear DP, then listing the tooth count (easy to sort by), manufacturer, bore, and I guess overall width (is every AM gear .4 or .6? every vex gear is .5) would probably be the best way to do it. So there's some conflict here.

Personally I don't really have brand loyalty when it comes to gears, so I'd want a system that just lists all of my options in the same place. I'd rather not have to dig through a series of folders like AndyMark -> 20 DP -> .375 Hex -> 14T just to find a pinion. Folders just by gear DP narrow down the options without hiding anything potentially viable.

So I guess my ideal system would be folders for gear type (20 DP, 32 DP, Specialty [worm, bevel]) and then a big custom identifying name. Part numbers would be nice if I could learn anything about the gear at all from them, but in this context it's not that helpful for anything but the end of the process when I want to buy stuff.

So, for example, in the 20 DP folder:
21T-AM-375H-588 would correspond to this gear. The gear has 21 teeth, a 3/8 hex bore, and .588 overall thickness.

48T-Vex-500HVK-500 would correspond to Vex PN 217-3218. This is a 48T gear with 1/2 hex bore, VersaKeys, and .500 overall width.

This probably could be improved on, but this is what I would find most convenient for myself. Others' mileages may vary.
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Unread 22-06-2014, 16:13
Andrew Lawrence
 
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Re: Part nomenclature for COTS gear CAD library

Quote:
Originally Posted by Chris is me View Post
In terms of ease of identifying known parts, folders by company followed by part numbers is probably the best solution. In terms of ease of design with unknown parts, sorting by gear DP, then listing the tooth count (easy to sort by), manufacturer, bore, and I guess overall width (is every AM gear .4 or .6? every vex gear is .5) would probably be the best way to do it. So there's some conflict here.

Personally I don't really have brand loyalty when it comes to gears, so I'd want a system that just lists all of my options in the same place. I'd rather not have to dig through a series of folders like AndyMark -> 20 DP -> .375 Hex -> 14T just to find a pinion. Folders just by gear DP narrow down the options without hiding anything potentially viable.

So I guess my ideal system would be folders for gear type (20 DP, 32 DP, Specialty [worm, bevel]) and then a big custom identifying name. Part numbers would be nice if I could learn anything about the gear at all from them, but in this context it's not that helpful for anything but the end of the process when I want to buy stuff.

So, for example, in the 20 DP folder:
21T-AM-375H-588 would correspond to this gear. The gear has 21 teeth, a 3/8 hex bore, and .588 overall thickness.

48T-Vex-500HVK-500 would correspond to Vex PN 217-3218. This is a 48T gear with 1/2 hex bore, VersaKeys, and .500 overall width.

This probably could be improved on, but this is what I would find most convenient for myself. Others' mileages may vary.
This is very similar to what it's shaping out to be.

From everyone's advice, it is organized in the following manner:

-Solidworks or STEP files
--20DP Gears
--32DP Gears
--Special Gears (odd DPs, worm gears, etc.)
---Files

After taking advice from a large amount of sampled individuals, the naming is coming to look like a combination of tooth count, bore type, manufacturer, and part number.

The current naming system is is:

ToothCount.BoreType.ManufacturerPartNumber.FileExt ension

So, for example, the Solidworks file of an 11 tooth CIM pinion from VexPro is titled: 11.CIM.VP217-3107.sldprt

Of course this can be tweaked, but I don't want the file names to be getting too long.
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