| author | Michael Krelin <hacker@klever.net> | 2018-08-23 18:35:23 (UTC) |
|---|---|---|
| committer | Michael Krelin <hacker@klever.net> | 2018-08-23 18:35:23 (UTC) |
| commit | 942136568980e54b372af0fdbe2af074c89bed86 (patch) (side-by-side diff) | |
| tree | ffe384e6fec275d1f56169a76fde3f1caeafb615 | |
| parent | c1cb6ce47647599f7a682593c0dea2d4c99be6af (diff) | |
| download | extrudery-942136568980e54b372af0fdbe2af074c89bed86.zip extrudery-942136568980e54b372af0fdbe2af074c89bed86.tar.gz extrudery-942136568980e54b372af0fdbe2af074c89bed86.tar.bz2 | |
give more space for idler to travel
| -rw-r--r-- | another.scad | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/another.scad b/another.scad index 4f70a1a..79cebdd 100644 --- a/another.scad +++ b/another.scad @@ -81,6 +81,9 @@ module the_extruder( lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); lsd = idler_d-idler_clearance*2; longwing=gearbox_d/2+spring_d/2+lsd/2; + shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) + sqrt(c*c+pow(a-c,2)); + longwing_travel = idler_travel*longwing/shortwing; h_ = (pulley_d+idler_d)/(2*sqrt(2)); ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); spring_dl = idler_travel*longwing/ri; @@ -230,7 +233,7 @@ module the_extruder( union() { cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); // finger and spring support - fsw = gearbox_d-(gearbox_d-mount_d)/2-spring_lc; + fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); translate([-gearbox_d/2,0,0]) difference() { union() { hull() { |