machines_and_mechanisms_tutorial3
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| machines_and_mechanisms_tutorial3 [2021/06/15 15:50] – johnlee | machines_and_mechanisms_tutorial3 [2024/04/22 22:43] (current) – johnlee | ||
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| ====== Creating NXT LEGO Machines & Mechanisms in Solidworks Part 3 ====== | ====== Creating NXT LEGO Machines & Mechanisms in Solidworks Part 3 ====== | ||
| - | **Author:** [[unlv_lee|Joo Won Lee]] Email: < | + | **Author:** [[unlv_lee|Joo Won Lee]] Email: < |
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| **Date:** Last modified on < | **Date:** Last modified on < | ||
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| ===== Motivation and Audience ===== | ===== Motivation and Audience ===== | ||
| - | The motivation of first part of this tutorial is to show how to build a belts, chains, and links in Solidworks. Chains/link mates can be notoriously buggy and if not done properly. | + | The motivation of first part of this tutorial is to show how to build a belts, chains, and links in Solidworks. Chains/link mates can be notoriously buggy if not done properly. |
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| + | While this tutorial covers the basics of it, the readers should experiment using different gear ratio values depending on their project. Good luck! | ||
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| - | While this tutorial covers the basics of it, the readers should experiment with using different gear ratio values depending on their project. | ||
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| As links and chains take a lot of computational and graphical power, it is suggested that one uses a rather powerful computer to avoid lags and stuttering. | As links and chains take a lot of computational and graphical power, it is suggested that one uses a rather powerful computer to avoid lags and stuttering. | ||
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| ^ File Name ^ Google Drive Link ^ Note ^ | ^ File Name ^ Google Drive Link ^ Note ^ | ||
| - | | Isogawa Solidworks Parts | https:// | + | | Isogawa Solidworks Parts | https:// |
| | Isogawa Book Parts List | https:// | | Isogawa Book Parts List | https:// | ||
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| Creating belt as a new part is the key when using a belt mechanism. | Creating belt as a new part is the key when using a belt mechanism. | ||
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| + | Solidworks treats the belt like a new piece and will save it on the folder where the assembly file is located. | ||
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| Input the thickness of the rubber band (around 1.5mm), and Solidworks will automatically adjust the belt dimensions. | Input the thickness of the rubber band (around 1.5mm), and Solidworks will automatically adjust the belt dimensions. | ||
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| + | Use swept function to create a circular belt with a diameter you specified. | ||
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| One needs to fidget around with gear ratios between gears and chains when doing gear mating. | One needs to fidget around with gear ratios between gears and chains when doing gear mating. | ||
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| - | There may be multiple | + | Multiple |
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| It is suggested that using the number of gear teeth (24 in this case with diameter of 24.5mm) will result in best animation. However, it may not be true for all cases... | It is suggested that using the number of gear teeth (24 in this case with diameter of 24.5mm) will result in best animation. However, it may not be true for all cases... | ||
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| As mentioned above, our lego piece designs are not perfectly optimized for gears and chains. Since plastic in reality can stretch and be able to fit much more nicely. | As mentioned above, our lego piece designs are not perfectly optimized for gears and chains. Since plastic in reality can stretch and be able to fit much more nicely. | ||
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| - | One should find a correct gear ratio to have the following animation profile. | + | One should find a correct gear ratio to get rid of those red bars and segmented yellow lines. |
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| - | One method is inputing gear ratio of # of gear teeth and finding a correct diameter by slowly increasing and testing it... | + | One method is inputing gear ratio of # of gear teeth and finding a correct diameter |
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| - | The above image shows a correct animation profile. It does not have any red lines or segmented yellow lines. | + | The above image shows a correct animation profile. It does not have any red bars or segmented yellow lines. |
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| This tutorial went over the following tasks: | This tutorial went over the following tasks: | ||
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| - | -How assemble | + | -How assemble |
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| - | -How to use mirror function | + | |
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| - | -How to use Rack & Pinion mate | + | -How to use belt & chain function. |
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| - | -How to create a new piece | + | -How to animate belt & chains. |
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| - | For questions, clarifications, | + | For questions, clarifications, |
machines_and_mechanisms_tutorial3.1623797422.txt.gz · Last modified: 2021/06/15 15:50 by johnlee