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authorMichael Krelin <hacker@klever.net>2018-09-05 11:01:19 (UTC)
committer Michael Krelin <hacker@klever.net>2018-09-05 11:01:19 (UTC)
commit4cc8be3ab27f44d8a298b8df3df0092d1f95e067 (patch) (side-by-side diff)
treefb620b3df3f2f2cf05bfc5835b51775550832b8d
parent1ad17a1b1dc1365e201a6f9d647ec31bda42beb7 (diff)
downloadextrudery-4cc8be3ab27f44d8a298b8df3df0092d1f95e067.zip
extrudery-4cc8be3ab27f44d8a298b8df3df0092d1f95e067.tar.gz
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better indication of spring tensioner position
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--another.scad19
1 files changed, 14 insertions, 5 deletions
diff --git a/another.scad b/another.scad
index a25e047..fd73a61 100644
--- a/another.scad
+++ b/another.scad
@@ -390,13 +390,15 @@ module the_extruder(
text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black");
}else sphere(d=epsilon); // to avoid makefile breakage
}
+ st_bump = 4*extrusion_width;
+ st_bump_tip = 2*extrusion_width;
module springpad() {
smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell;
bigd = spring_d+spring_d_clearance/2;
hf = (bigd-smalld)/2;
- h = max(hf*2,fsw-st_screw_l+hf);
+ h = max(hf*3,fsw-st_screw_l+hf);
translate([-gearbox_d/2+fsw-h,-longwing,filament_elevation])
rotate([0,90,0]) difference() {
union() {
cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd);
@@ -405,13 +407,20 @@ module the_extruder(
translate([0,0,h])
sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4);
l = body_h-ls_z;
w = sp_ch;
- hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) {
- translate([0,0,w])
- cube(size=[l,st_split_w,w]);
+ translate([0,-st_split_w/2,0]) mirror([1,0,0]) {
+ hull() {
+ translate([0,0,w+st_bump])
+ cube(size=[l+st_bump,st_split_w,w]);
cube(size=[l-w,st_split_w,2*w]);
}
+ translate([l,0,w+st_bump]) hull() {
+ cube(size=[st_split_w,st_split_w,st_bump]);
+ translate([0,-st_bump+st_bump_tip,st_bump]) mirror([0,0,1])
+ cube(size=[st_split_w,st_split_w+2*(st_bump-st_bump_tip),st_bump_tip]);
+ }
+ }
}
translate([0,0,-epsilon])
cylinder(d=st_screw_d+st_screw_d_tolerance,
h=min(st_screw_l,fsw-hf)-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
@@ -463,9 +472,9 @@ module the_extruder(
if(debug) {
// spring tensioner debug cutout
translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0])
translate([0,-lever_thickness/2-1,-gearbox_d-1])
- cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]);
+ cube(size=[body_h-ls_z+st_bump+1,lever_thickness/2+1,gearbox_d+2]);
// lever axis debug cutout
translate([mount_d/2,0,-1])
rotate([0,0,-45])
cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]);