Difference between revisions of "Team:IISER Mohali/Contribution"

Line 34: Line 34:
 
                                                          
 
                                                          
 
 
−
     
+
  <p>
 +
<strong>1 Introduction</strong>
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
3D printing is a revolutionary and convenient technology for the production of complex structures that are difficult to construct by hand. The reliability of the process has increased rapidly in the past, to the extent, that it is now used as an industrial production tool too. We decided to leverage the advantages of 3D printing for the construction of our spectrometer too. The workflow is detailed in the sections that follow.
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
<strong>2 Workflow</strong>
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 
 +
 
 +
<p id="gdcalert1" ><span style="color: red; font-weight: bold">>>>>>  gd2md-html alert: inline image link here (to images/image1.jpg). Store image on your image server and adjust path/filename/extension if necessary. </span><br>(<a href="#">Back to top</a>)(<a href="#gdcalert2">Next alert</a>)<br><span style="color: red; font-weight: bold">>>>>> </span></p>
 +
 
 +
 
 +
<img src="images/image1.jpg" width="" alt="alt_text" title="image_tooltip">
 +
 
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
<strong>2.1 Design</strong>
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
This involves creating a 3D CAD(Computer-Aided Design) model. Various software is available for this- AutoCAD, Solidworks, TinkerCAD, etc. We did our designing in Solidworks. The spectrometer consists of the following parts:-
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
• Cuvette holder→ It’s used for holding the cuvette containing the sample.
 +
</p>
 +
<p>
 +
• Grating lens mount→ It’s used as a mount for the grating and the lens.
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 +
 
 +
<p id="gdcalert2" ><span style="color: red; font-weight: bold">>>>>>  gd2md-html alert: inline image link here (to images/image2.jpg). Store image on your image server and adjust path/filename/extension if necessary. </span><br>(<a href="#">Back to top</a>)(<a href="#gdcalert3">Next alert</a>)<br><span style="color: red; font-weight: bold">>>>>> </span></p>
 +
 
 +
 
 +
<img src="images/image2.jpg" width="" alt="alt_text" title="image_tooltip">
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
<strong>• Slit mount→ </strong>
 +
</p>
 +
<p>
 +
​​
 +
</p>
 +
<p>
 +
 +
 
 +
<p id="gdcalert3" ><span style="color: red; font-weight: bold">>>>>>  gd2md-html alert: inline image link here (to images/image3.jpg). Store image on your image server and adjust path/filename/extension if necessary. </span><br>(<a href="#">Back to top</a>)(<a href="#gdcalert4">Next alert</a>)<br><span style="color: red; font-weight: bold">>>>>> </span></p>
 +
 
 +
 
 +
<img src="images/image3.jpg" width="" alt="alt_text" title="image_tooltip">
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<ul>
 +
 
 +
<li>Smartphone mount
 +
</li>
 +
</ul>
 +
<p>
 +
 
 +
 
 +
<p id="gdcalert4" ><span style="color: red; font-weight: bold">>>>>>  gd2md-html alert: inline image link here (to images/image4.jpg). Store image on your image server and adjust path/filename/extension if necessary. </span><br>(<a href="#">Back to top</a>)(<a href="#gdcalert5">Next alert</a>)<br><span style="color: red; font-weight: bold">>>>>> </span></p>
 +
 
 +
 
 +
<img src="images/image4.jpg" width="" alt="alt_text" title="image_tooltip">
 +
 
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
Once the design is ready, it is saved in a format determined by the software used. Solidworks saves the file in ‘SLDPRT’(solid part) format. An ‘STL’ file can be exported for slicing later.
 +
</p>
 +
<p>
 +
<strong>2.2 Slicing</strong>
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
Slicing involves the conversion of the ‘stl’ file into a ‘gcode’, a standard language for most 3D printers. ‘FlashPrint’ and ‘Ultimaker Cura’ are some common software used for slicing. Important precautions during slicing include:-
 +
</p>
 +
<p>
 +
• The model orientation should be kept such that a minimum amount of support is printed.
 +
</p>
 +
<p>
 +
• The model should lie flat on the base.
 +
</p>
 +
<p>
 +
 
 +
 
 +
<p id="gdcalert5" ><span style="color: red; font-weight: bold">>>>>>  gd2md-html alert: inline image link here (to images/image5.jpg). Store image on your image server and adjust path/filename/extension if necessary. </span><br>(<a href="#">Back to top</a>)(<a href="#gdcalert6">Next alert</a>)<br><span style="color: red; font-weight: bold">>>>>> </span></p>
 +
 
 +
 
 +
<img src="images/image5.jpg" width="" alt="alt_text" title="image_tooltip">
 +
 
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
The slicing parameters we used are as follows:-
 +
</p>
 +
<p>
 +
Infill Density: It’s the density of the filament to be used for printing. For larger models, one can decrease the infill density to save filament. In general, an infill density of 15% is good enough.
 +
</p>
 +
<p>
 +
Support Infill Density: It is one of the most important parameters. Some- times the model can be complicated and delicate and need support. In these cases, it can become difficult to remove the printed support. So we may decrease the support infill density so that removal of support after the print is easier.
 +
</p>
 +
<p>
 +
 +
</p>
 +
<p>
 +
<strong>2.3 Printing </strong>
 +
</p>
 +
<p>
 +
This is the final part of our workflow. Once the ‘gcode’ has been obtained, it can be fed into a 3D printer either using an SD card, via a direct connection to a computer, or over a network.
 +
</p>
 +
<p>
 +
<strong>2.4 Pitfalls we faced</strong>
 +
</p>
 +
<ul>
 +
 
 +
<li>Sometimes, the base may get detached from the printing bed. It can happen due to the large size of a model, bad quality of the bed, or low temperature of the bed.<br>
 +
 
 +
<li>Sometimes the filament gets brittle. So while printing, the filament stops coming out from the extruder. In this case, we have to clean the nozzle and reload the filament.<br>
 +
 
 +
<li>Sometimes the filament may get stuck in the spool and break. In that case, we have to reload the filament and restart the print.<br> <br>stl and SLDPRT files<br> <br>Embed files here from this folder <br>
 +
</li>
 +
</ul>
 +
<p>
 +
 +
</p>   
 
                                                         
 
                                                         
  

Revision as of 16:07, 21 October 2021

Loading...

Contributions

Contributions

1 Introduction

3D printing is a revolutionary and convenient technology for the production of complex structures that are difficult to construct by hand. The reliability of the process has increased rapidly in the past, to the extent, that it is now used as an industrial production tool too. We decided to leverage the advantages of 3D printing for the construction of our spectrometer too. The workflow is detailed in the sections that follow.

2 Workflow

>>>>> gd2md-html alert: inline image link here (to images/image1.jpg). Store image on your image server and adjust path/filename/extension if necessary.
(Back to top)(Next alert)
>>>>>

alt_text

2.1 Design

This involves creating a 3D CAD(Computer-Aided Design) model. Various software is available for this- AutoCAD, Solidworks, TinkerCAD, etc. We did our designing in Solidworks. The spectrometer consists of the following parts:-

• Cuvette holder→ It’s used for holding the cuvette containing the sample.

• Grating lens mount→ It’s used as a mount for the grating and the lens.

>>>>> gd2md-html alert: inline image link here (to images/image2.jpg). Store image on your image server and adjust path/filename/extension if necessary.
(Back to top)(Next alert)
>>>>>

alt_text

• Slit mount→

​​

>>>>> gd2md-html alert: inline image link here (to images/image3.jpg). Store image on your image server and adjust path/filename/extension if necessary.
(Back to top)(Next alert)
>>>>>

alt_text

  • Smartphone mount

>>>>> gd2md-html alert: inline image link here (to images/image4.jpg). Store image on your image server and adjust path/filename/extension if necessary.
(Back to top)(Next alert)
>>>>>

alt_text

Once the design is ready, it is saved in a format determined by the software used. Solidworks saves the file in ‘SLDPRT’(solid part) format. An ‘STL’ file can be exported for slicing later.

2.2 Slicing

Slicing involves the conversion of the ‘stl’ file into a ‘gcode’, a standard language for most 3D printers. ‘FlashPrint’ and ‘Ultimaker Cura’ are some common software used for slicing. Important precautions during slicing include:-

• The model orientation should be kept such that a minimum amount of support is printed.

• The model should lie flat on the base.

>>>>> gd2md-html alert: inline image link here (to images/image5.jpg). Store image on your image server and adjust path/filename/extension if necessary.
(Back to top)(Next alert)
>>>>>

alt_text

The slicing parameters we used are as follows:-

Infill Density: It’s the density of the filament to be used for printing. For larger models, one can decrease the infill density to save filament. In general, an infill density of 15% is good enough.

Support Infill Density: It is one of the most important parameters. Some- times the model can be complicated and delicate and need support. In these cases, it can become difficult to remove the printed support. So we may decrease the support infill density so that removal of support after the print is easier.

2.3 Printing

This is the final part of our workflow. Once the ‘gcode’ has been obtained, it can be fed into a 3D printer either using an SD card, via a direct connection to a computer, or over a network.

2.4 Pitfalls we faced

  • Sometimes, the base may get detached from the printing bed. It can happen due to the large size of a model, bad quality of the bed, or low temperature of the bed.
  • Sometimes the filament gets brittle. So while printing, the filament stops coming out from the extruder. In this case, we have to clean the nozzle and reload the filament.
  • Sometimes the filament may get stuck in the spool and break. In that case, we have to reload the filament and restart the print.

    stl and SLDPRT files

    Embed files here from this folder

Get in touch

Follow

  • © All rights reserved
  • Design: HTML5 UP