| author | Michael Krelin <hacker@klever.net> | 2018-08-31 20:19:28 (UTC) |
|---|---|---|
| committer | Michael Krelin <hacker@klever.net> | 2018-08-31 20:19:28 (UTC) |
| commit | cb33c94fe8264c3f689268b80e7bd767b31f72dc (patch) (side-by-side diff) | |
| tree | a603f4eb9301b18dd6ef0557e6e9eb019dcb52de | |
| parent | 2d21a45f6f486469cf0d48aea6c5384419c597e3 (diff) | |
| download | extrudery-cb33c94fe8264c3f689268b80e7bd767b31f72dc.zip extrudery-cb33c94fe8264c3f689268b80e7bd767b31f72dc.tar.gz extrudery-cb33c94fe8264c3f689268b80e7bd767b31f72dc.tar.bz2 | |
another: lookup-driven filament drive puley specification
| -rw-r--r-- | another.scad | 12 | ||||
| -rw-r--r-- | pulley_data.scad | 8 |
2 files changed, 16 insertions, 4 deletions
diff --git a/another.scad b/another.scad index ed18874..51358ee 100644 --- a/another.scad +++ b/another.scad @@ -7,2 +7,3 @@ use <pushfittery.scad>; include <pushfit_data.scad>; +include <pulley_data.scad>; @@ -18,6 +19,4 @@ module the_extruder( // pulley properties - pulley_d = 11.5, pulley_h=10, + pulley = pulley_e3d, pulley_elevation = 1, // pulley elevation above the protrusion - teeth_elevation = 7.5, // distance from the bottom of the pulley to its teeth - filament_offset = (8.25-(3.0+3.5)/2) - 11.5/2 + 1.75/2, // idler properties @@ -54,3 +53,2 @@ module the_extruder( idler_clearance=1, - pulley_d_clearance=2, pulley_small_d_clearance=0.5, @@ -79,3 +77,9 @@ module the_extruder( fnd = 2*PI; fnr = 2*fnd; + function lu(m,k) = m[search([k],m)[0]][1]; + pulley_d = lu(pulley,"d"); + pulley_h = lu(pulley,"h"); + teeth_elevation = lu(pulley,"fe"); + filament_offset = lu(pulley,"g")+filament_d/2; + pulley_d_clearance = lu(pulley,"ssrc")*2; idler_filament_offset = filament_path_d/2; // -filament_offset; diff --git a/pulley_data.scad b/pulley_data.scad new file mode 100644 index 0000000..a1523de --- a/dev/null +++ b/pulley_data.scad @@ -0,0 +1,8 @@ +pulley_e3d = [ + ["d", 11.5 ], // outer diameter + ["h", 11 ], // pulley height + ["g", 8.25-3 - 11.5/2 ], // depth of U-groove, filament offset from the surface + ["fe", 7.5 ], // filament elevation from the bottom + ["ssrc", 2 ], // set screw radial clearance +]; + |