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authorMichael Krelin <hacker@klever.net>2018-08-12 21:36:03 (UTC)
committer Michael Krelin <hacker@klever.net>2018-08-12 21:36:03 (UTC)
commite33d88e915e10aa7c127a75482e1210313c29add (patch) (side-by-side diff)
treec51b6a3fc3ff57b21b1bdfdaae0b472cd430190b
parentf123d3acb5e918b6a21af0a65bba4dc0395c73f3 (diff)
downloadextrudery-e33d88e915e10aa7c127a75482e1210313c29add.zip
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make offset on idler and pulley side difference
idler is moving and as long as I'm using plain bearing for idler that should be better
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad21
1 files changed, 13 insertions, 8 deletions
diff --git a/another.scad b/another.scad
index a93d21a..50b3a84 100644
--- a/another.scad
+++ b/another.scad
@@ -68,12 +68,13 @@ module the_extruder(
supports = false, bridges = true,
tensioner = true,
debug = false
) {
fnd = 2*PI; fnr = 2*fnd;
+ idler_filament_offset = filament_path_d/2; // -filament_offset;
lever_shell = mount_screwhead_h+0.5;
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;
h_ = (pulley_d+idler_d)/(2*sqrt(2));
ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) );
@@ -119,18 +120,22 @@ module the_extruder(
translate([0,0,teeth_elevation]) {
place_idler() {
cylinder(d=idler_d,h=idler_h,center=true,$fn=30);
cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30);
}//place idler
// filament path
- rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) {
- rotate([90,0,0]) cylinder(d=filament_d,h=gearbox_d*2,center=true,$fn=15);
- rotate([-90,0,0])
- translate([0,0,mount_d/sqrt(2)/2+mount_screw_d])
- pushfit(pf);
- }
+ rotate([0,0,45]) {
+ translate([pulley_d/2-idler_filament_offset,0,0]) rotate([90,0,0]) {
+ cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15);
+ }//rotate translate
+ translate([pulley_d/2+filament_offset,0,0]) rotate([-90,0,0]) {
+ cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15);
+ translate([0,0,mount_d/sqrt(2)/2+mount_screw_d])
+ pushfit(pf);
+ }//rotate translate
+ }//rotate
}//translate teeth
}//translate pulley
}//translate protrusion
}//vitamins
module lever() {
@@ -150,18 +155,18 @@ module the_extruder(
cylinder(d=lever_thickness,h=lsd,center=true,$fn=60);
}//hull
}//union
// filament path
place_idler() {
- translate([-idler_d/2+filament_offset,0,0]) rotate([90,0,0]) {
+ translate([-idler_d/2-idler_filament_offset,0,0]) rotate([90,0,0]) {
cylinder(d=filament_path_d,h=3*gearbox_d,center=true,$fn=30);
translate([0,-filament_path_d/2/sqrt(2),0]) rotate([0,0,45])
cube(size=[filament_path_d/2,filament_path_d/2,3*gearbox_d],center=true);
}//rotate translate
- translate([-idler_d/2+filament_offset,0,0])
+ translate([-idler_d/2-idler_filament_offset,0,0])
rotate([90,0,0])
translate([0,0,
sqrt(2)*(mount_d-pulley_d+lsd)/2
]) {
cylinder(d1=filament_path_d,d2=2*filament_path_d,
h=filament_path_d,$fn=2*filament_path_d*fnd);