From 1a42900fed41cc74da9bc97ab522d6ad17912979 Mon Sep 17 00:00:00 2001 From: Jake <jake.read@cba.mit.edu> Date: Fri, 1 Mar 2019 00:31:17 -0500 Subject: [PATCH] add tape chain, and refresh notes --- README.md | 8 +++++++- n17_linearPinion/README.md | 4 +++- n17_linearPulley/README.md | 2 +- tapeChains/README.md | 4 ++++ 4 files changed, 15 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 7fa8661..488eb6d 100644 --- a/README.md +++ b/README.md @@ -44,4 +44,10 @@ Make sure to change 'type' to .step, and check the 'save to my computer' box. No  ### [N23 Linear and Pinion-Type Belt](n23_linearPinion/) - \ No newline at end of file + + +## Bonus Kit + +### [E Chain with Tape Measure Backbone](tapeChains/) + + \ No newline at end of file diff --git a/n17_linearPinion/README.md b/n17_linearPinion/README.md index 2a5737a..7d7de51 100644 --- a/n17_linearPinion/README.md +++ b/n17_linearPinion/README.md @@ -11,6 +11,7 @@ Smaller Gantries. Uses 45* bearings in 3DP blocks, with one set riding on flexur ### Development Notes ... - while heat-setting M4 inserts in for the rollers, (1) there isn't *really* enough space to get the soldering iron in (without melting the adjacent pla) and (2) it's difficult to guarantee these go in straight. maybe use a press-in insert? / a hex nut ? - long runs (beams) are not stiff ... try 1/8" waterjet stiffening folded members +- in the fullness of time, add an N23 size for torque-y applications like the CAT's bed: this is minimal overhead. ### BOM for N17 @@ -34,4 +35,5 @@ M4 Washers | - | 4 | ibid | McMaster | 93475A230 ### Materials for N17 -1/4" Acrylic from McMaster, for 12x24" for small lasers pick 8505K755 \ No newline at end of file +1/4" Acrylic from McMaster, for 12x24" for small lasers pick 8505K755 +1/4" ALU 6061 Typical (6.35mm) \ No newline at end of file diff --git a/n17_linearPulley/README.md b/n17_linearPulley/README.md index 4054ce0..3d25075 100644 --- a/n17_linearPulley/README.md +++ b/n17_linearPulley/README.md @@ -1,6 +1,6 @@ ## Gantry for NEMA17 Motor, 0.25" Stock, Pinion-Type Belt -**STATUS:** mistakes abound, works but assembly and belt-tensioning are not wonderful. +**STATUS:** mistakes abound, works but assembly and belt-tensioning are not wonderful. CAD model and actual typical assembly do not reflect one another. **USED IN:** [Little Rascal](http://gitlab.cba.mit.edu/jakeread/littlerascal) diff --git a/tapeChains/README.md b/tapeChains/README.md index 868665f..727d874 100644 --- a/tapeChains/README.md +++ b/tapeChains/README.md @@ -1,5 +1,9 @@ ## HQ Wire Bundling +Cable Routing is the ad-hoc machine builder's 'come to jesus' moment, every time. Here is a project that aims to help ye faithful straighten out. + +Original credit to [the unlinked hero in this Hackaday article](https://hackaday.com/2017/12/17/diy-cable-chain-looks-great-stays-cheap/) + Trying this with Heat Shrinks - -> 1" 3M161381-ND - -> 0.75" 3M161354-ND -- GitLab