ikkalebob / nm-bionic-hand Goto Github PK

The Metacarpal and Phalanges file is an early prototype and pretty much just for reference's sake.

• Likely scrap the idea of having two motors in one housing because the routing from pulley to joint is inefficient and the additional space by having a shorter component would leave more space for CMC joints and allow the same component to be used for the thumb's MCP joint potentially
• The part is also FDM and a much more optimised design would be possible with SLA
• Metacarpal should be as narrow as possible (<20mm width)

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I want to make this robot hand recently, but I don’t know the parameters of the gears.
Can you tell me some basic parameters, thanks a lot

Hi,
amazing job, congrats.
I can't open the files though, which software do you use ? :/
thanks

From your YouTube channel, you say "I want to take this opportunity to try and make this project as accessible and open source as possible".

"Open Source" has a generally agreed on definition that digital artifacts are provided under a free/libre license that allows for redistribution and alteration, even for commercial purposes. Here is a relevant quote from the entry on Wikipedia about the term "Open Source Model":

Open source promotes universal access via an open-source or free license to a product's design or blueprint, and universal redistribution of that design or blueprint.

If the intent is to provide this project under an open source model, please provide a license file, preferably in the form of a LICENSE.txt file, and a short description of what licenses are used in the README. Some common choices are CC0, CC-BY, CC-BY-SA, the CERN OHL. The Wikipedia article on Open Source Hardware licenses lists these in addition to some others.

If the intent to make the source available, without providing the project as open source, please use the term "source available" instead of "open source" as using the term "open source" will cause confusion.

The IP joint is currently optimised for FDM printing, so an SLA version must be created with appropriate tolerances etc

• Since overhangs won't really be an issue with SLA, multiple parts in the assembly can be combined such as the driving pulleys and inner pivot components. This could also allow for a narrower assembly which is very desirable
• A more appropriate bearing could be selected
• A system to locate each layer against the next with pins or other protruding feature would aid assembly and potentially rigidity
• A wire management system must be incorporated (although this could be part of shell components which are yet to be designed)

hi

thanks for sharing, there is a blank page on page 44 of your report. could you kindly update it? thanks