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Design files for the DIGIT tactile sensor
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Questions regarding materials to build the sensor. #12

Closed ErickRosete closed 3 years ago

ErickRosete commented 4 years ago

1.- According to the Quick Start Guide the gel acrylic window is cut from a sheet of 4 mm thick optically clear acrylic, but checking the step files available I found that the thickness of the 3D model is 6.15 mm, which is the appropriate dimension? 2.- According to the Quick Start Guide Smooth-On Solaris the shore hardness is 10A, but the only product available in the official webpage https://www.smooth-on.com/products/solaris/ says the shore hardness is 15A, is it a different product?

AlphaBetaPhi commented 3 years ago

@ErickRosete, thank you for your interest and questions.

  1. This can be cut from a 6 mm sheet of optically clear acrylic (will update this in the guide), in either case, this can be built with whichever size between 4-6.2 mm acrylic panel is available.
  2. You may order the product shore 15A product from Smooth-On, we have found through internal testing/measurement that the gel design results in shore hardness 10 using the shore 15A product. Additionally, you may use the Smooth-On Slacker product to change shore hardness.

We will add additional notes to the gel instructions to address these issues and provide some insight onto changing gel parameters for end applications.