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[[File:Brakecalliper before assembly.JPG|100px|right|brake calliper before assembly]]
[[File:Brakecalliper before assembly.JPG|100px|right|brake calliper before assembly]]
# Download the stl files of the calliper and the bolt, link given above. generate the G code in Cura with fill density of 35 to 40% for the calliper and 100% for the bolts as they need to be robust and strong to hold and operate the brakepads when brakes applied. The other settings used are same as while building & callibrating the delta model(software).  
# Download the stl files of the calliper and the bolt, link given above. generate the G code in Cura with fill density of 35 to 40% for the calliper and 100% for the bolts as they need to be robust and strong to hold and operate the brakepads when brakes applied. The other settings used are same as while building & callibrating the delta model(software).  
# print time estimate- the calliper took 30 mins and the bolts will take a cumulative of 8 mins.
# print time estimate- the calliper took 30 mins and the bolts will take a cumulative of 8 mins, while slicing the bolts go the 'tools' section of the software and choose for 'print all at once' option
*while slicing the bolts go the 'tools' section of the software and choose for 'print all at once' option
# assembly time is around 5 mins.file the bolt holes if necessary.
# assembly time is around 5 mins.file the bolt holes if necessary.



Revision as of 14:07, 4 December 2014



Brake Calliper of BlackMamba bicycle

Project developed by [Rivu]

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Abstract

  1. Indian and Chinese made cruisers, known as Black Mambas in East Africa, are the most common type of bicycle found throughout sub-Saharan Africa - The objective of the project is to 3D print as many parts possible of this bicycle which is very commonly used in the third world countries of Africa and make it much more economically viable for people to use over there for transportation.
  2. The below figures shows a 3D printed brakecalliper with the 2cm long bolts to connect to the brake pads and the necessary holes on the calliper to fit on the existing Black Mamba model.
Brake calliper1.JPG
Brake calliper2.JPG


Bill of Materials

  1. Brake Calliper- 8 gms of PLA, QTY 1, cost $0.18
    1. 3d printed bolt to connect the brake pads, QTY 2, cost $0.06.
    2. STLs for part can be found at [[1]]

Tools needed for fabrication of the OSAT

  1. MOST Delta RepRap.
  2. OpenScad, Cura & repetier Host software.
  3. 1.75 mm PLA filament.

Skills and Knowledge Necessary to Make the OSAT

  • If you used special skill – link to relevant wikipedia or wikiversity articles/courses

Technical Specifications and Assembly Instructions

brake calliper before assembly
brake calliper before assembly
  1. Download the stl files of the calliper and the bolt, link given above. generate the G code in Cura with fill density of 35 to 40% for the calliper and 100% for the bolts as they need to be robust and strong to hold and operate the brakepads when brakes applied. The other settings used are same as while building & callibrating the delta model(software).
  2. print time estimate- the calliper took 30 mins and the bolts will take a cumulative of 8 mins, while slicing the bolts go the 'tools' section of the software and choose for 'print all at once' option
  3. assembly time is around 5 mins.file the bolt holes if necessary.


Common Problems and Solutions

  • Include common mistakes/problems to avoid in building your OSAT and how to overcome them

Cost savings

  • If your solution is not a low cost one then it is not really appropriate.
  1. Estimate your costs
  2. Find a commercial equivalent
  3. Calculate $ savings and % savings

References

  • The sources of information (e.g. engineering handbooks, journal articles, government documents, webpages, books, magazine articles etc.). References should use the <ref> </ref> and <references/> tags and can be in any format but should include all the information necessary for someone else to find the same information you did. For example: [1]
  1. web page: Department of Energy (DOE) Landscaping and Energy Efficiency, DOE/GO-10095 (1995) Available: http://www.eren.doe.gov/erec/factsheets/landscape.html

Based on the developmental needs addressed (e.g. food, heat, electricity, clean water, health care, etc.) be sure to label your device in the proper categories e.g. use [[Category:Water]]. Be sure to categorize your device so that it will be easy to find – for example “Low voltage connection basics” is categorized in [[Category:How tos]] [[Category:Electricity]] [[Category:Electric lighting]].

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