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First pass update of assembly docs. Some manifold fixes.

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This commit is contained in:
Revar Desmera
2017-04-01 15:11:41 -07:00
parent 47bb49131d
commit d9b7e8664a
15 changed files with 69147 additions and 53662 deletions
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3
Makefile
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@@ -101,8 +101,7 @@ STLs/extruder_fan_shroud_parts.stl: joiners.scad
STLs/extruder_idler_parts.stl: joiners.scad
STLs/extruder_motor_clip_parts.stl: joiners.scad
STLs/jhead_platform_parts.stl: joiners.scad
STLs/lifter_lock_nut_parts.stl: joiners.scad
STLs/lifter_rod_coupler_parts.stl: joiners.scad
STLs/lifter_screw_parts.stl: joiners.scad
STLs/motor_mount_plate_parts.stl: joiners.scad NEMA.scad
STLs/platform_support_parts.stl: joiners.scad
STLs/rail_endcap_parts.stl: joiners.scad

26
STLs/jhead_platform_parts.stl
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@@ -8002,16 +8002,16 @@ solid Model
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vertex 19.7167 -50 6.7056

22014
STLs/rail_segment_parts.stl
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File diff suppressed because it is too large Load Diff

326
STLs/rail_xy_motor_segment_parts.stl
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@@ -1639,9 +1639,9 @@ solid Model
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@@ -5379,14 +5379,14 @@ solid Model
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@@ -5424,20 +5424,6 @@ solid Model
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@@ -5529,6 +5515,20 @@ solid Model
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@@ -5949,13 +5949,6 @@ solid Model
vertex 44 51.1547 7
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vertex -28 51.1547 7
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@@ -5972,16 +5965,16 @@ solid Model
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@@ -14822,7 +14822,7 @@ solid Model
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vertex -56.5 -60 25
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@@ -14835,7 +14835,7 @@ solid Model
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@@ -17874,7 +17874,7 @@ solid Model
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vertex -54 -60 45
vertex -58 -60 49.95
vertex -58 -60 49.9
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@@ -20194,6 +20194,13 @@ solid Model
vertex -64.8333 56.4167 44.7169
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vertex 54 -50 45
vertex 62.1866 -50 49.9
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@@ -20201,13 +20208,6 @@ solid Model
vertex 54 -60 45
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@@ -20222,6 +20222,13 @@ solid Model
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@@ -20593,6 +20593,13 @@ solid Model
vertex 64 56.675 50
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vertex 54 60 45
vertex 59 60 49.9
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@@ -20600,24 +20607,38 @@ solid Model
vertex -54 -50 45
endloop
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facet normal 0 1 0
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vertex -59 -50 41.383
vertex -62.1866 -50 49.9
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vertex 59 60 41.383
vertex 54 60 45
vertex 59 60 49.95
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vertex 59 60 41.383
vertex 59 60 49.95
vertex 62.1866 60 49.9
vertex 64 60 50
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@@ -20940,13 +20961,13 @@ solid Model
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vertex -54 -60 45
vertex 54 -60 45
vertex -58 -60 50
vertex 0 -60 49.9
endloop
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facet normal 0 1 0
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vertex -54 -50 45
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@@ -20967,8 +20988,43 @@ solid Model
facet normal 0 -1 0
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vertex -58 -60 50
vertex -58 -60 49.95
vertex 0 -60 49.9
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endloop
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facet normal 0 1 0
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vertex 54 -50 45
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vertex 58 -60 50
vertex 0 -60 49.95
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@@ -20980,23 +21036,16 @@ solid Model
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facet normal 0 1 0
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vertex 59 60 49.95
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@@ -21013,16 +21062,149 @@ solid Model
vertex 59 60 50
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28
STLs/ramps_mount_parts.stl
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@@ -7443,7 +7443,7 @@ solid Model
facet normal 0 0 0
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vertex 5 -20 7
vertex 5 4.275 7
vertex 5 52.275 7
vertex 5 -0.725 7
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@@ -7463,16 +7463,16 @@ solid Model
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@@ -7510,6 +7510,13 @@ solid Model
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@@ -7552,13 +7559,6 @@ solid Model
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18636
STLs/xy_sled_parts.stl
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File diff suppressed because it is too large Load Diff

81158
STLs/z_rail_parts.stl
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File diff suppressed because it is too large Load Diff

10
config.scad
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@@ -12,7 +12,7 @@ platform_width = 150.0; // mm
platform_height = 40.0; // mm
platform_thick = 7.0; // mm
rail_length = 136.0; // mm Must be a multiple of lifter_gear_pitch
rail_length = 136.0; // mm Must be a multiple of lifter_screw_pitch
rail_height = 50.0; // mm
rail_thick = 7.0; // mm
@@ -36,10 +36,10 @@ motor_shaft_length = 20; // mm length of exposed NEMA17 motor shaft.
motor_shaft_flatted = true; // Is motor shaft keyed? (RECOMMENDED)
// Currently configured for 3/8" ACME threaded rod.
lifter_gear_diam = 60.0; // mm
lifter_gear_thick = 16.0; // mm
lifter_gear_pitch = 8.0; // mm lift per revolution
lifter_gear_angle = 50.0; // degrees tooth face angle
lifter_screw_diam = 60.0; // mm
lifter_screw_thick = 16.0; // mm
lifter_screw_pitch = 8.0; // mm lift per revolution
lifter_screw_angle = 50.0; // degrees tooth face angle
// Mechanical endstop bare microswitch.
endstop_hole_spacing = 9.5; // mm

491
full_assembly.scad
View File

@@ -16,15 +16,13 @@ use <extruder_fan_shroud_parts.scad>
use <extruder_idler_parts.scad>
use <extruder_motor_clip_parts.scad>
use <jhead_platform_parts.scad>
use <lifter_lock_nut_parts.scad>
use <lifter_rod_coupler_parts.scad>
use <lifter_screw_parts.scad>
use <motor_mount_plate_parts.scad>
use <platform_support_parts.scad>
use <rail_segment_parts.scad>
use <rail_xy_motor_segment_parts.scad>
use <rail_y_endcap_parts.scad>
use <rail_z_endcap_parts.scad>
use <rail_z_motor_segment_parts.scad>
use <ramps_mount_parts.scad>
use <sled_endcap_parts.scad>
use <spool_holder_parts.scad>
@@ -32,6 +30,7 @@ use <support_leg_parts.scad>
use <xy_joiner_parts.scad>
use <xy_sled_parts.scad>
use <yz_joiner_parts.scad>
use <z_rail_parts.scad>
use <z_sled_parts.scad>
@@ -658,147 +657,24 @@ module x_axis_assembly_9(xslidepos=0, yslidepos=0, explode=0, arrows=false)
module z_tower_assembly_1(slidepos=0, explode=0, arrows=false)
{
// view: [72, 125, -25] [345, 20, 0] 1200
// desc: Seat the stepper motor in the Z motor rail segment. Clamp it into place with a motor mount plate without micro-switch. Route the motor wiring out the bottom of the rail.
motor_width = nema_motor_width(17)+printer_slop*2;
rail_z_motor_segment();
// Stepper Motor
up(rail_height+groove_height/2) {
xrot(-90) {
up(explode*3) {
motor_mount_plate();
}
up(motor_length/2+explode*1.8) {
zrot(180) {
nema17_stepper(h=motor_length, shaft_len=motor_shaft_length);
down(motor_length-3) {
wiring([
[0, 0.01, 0],
[0, -motor_rail_length/3.5-5, 0],
[0, -motor_rail_length/3.5-5.01, -motor_rail_length/2+5],
], 4);
}
}
up(motor_shaft_length-2+2.1+explode) {
zrot(180+slidepos*360/lifter_rod_pitch) {
if ($children > 0) children(0);
}
up(lifter_rod_length/2+slidepos) {
if ($children > 1) children(1);
}
}
}
}
}
// Construction arrows.
if(arrows && explode>=50) {
up(rail_height+groove_height/2) {
xrot(-90) {
up(explode*1.2) {
yrot(-90) arrow(size=explode/3);
}
up(explode*2.6) {
yrot(-90) arrow(size=explode/3);
}
}
}
}
}
//!z_tower_assembly_1(explode=100, arrows=true);
//!z_tower_assembly_1();
module z_tower_assembly_2(explode=0, arrows=false)
{
// view: [50, 50, 155] [55, 0, 25] 1500
// desc: Screw the lock nut onto the threaded rod.
color("Silver") {
acme_threaded_rod(
d=lifter_rod_diam,
l=lifter_rod_length,
pitch=lifter_rod_pitch,
thread_depth=lifter_rod_pitch/2,
$fn=32
);
}
down(lifter_rod_length/2) {
up(30/2+10/2-explode) {
zrot(180) lifter_lock_nut();
}
}
// Construction arrow.
if(arrows && explode>=50) {
down(lifter_rod_length/2) {
up(30/2+10/2-explode*0.6) {
yrot(90) arrow(size=explode/3);
}
}
}
}
//!z_tower_assembly_2(explode=100, arrows=true);
module z_tower_assembly_3(explode=0, arrows=false)
{
// view: [50, 50, 155] [55, 0, 25] 1500
// desc: Screw the rod into the coupler fully, then tighten the lock nut up against the coupler.
lifter_rod_coupler();
up(lifter_rod_length/2+explode) {
z_tower_assembly_2();
}
// Construction arrow.
if(arrows && explode>=50) {
up(30/2+explode*0.4) {
yrot(-90) arrow(size=explode/3);
}
}
}
//!z_tower_assembly_3(explode=100, arrows=true);
module z_tower_assembly_4(slidepos=0, explode=0, arrows=false)
{
// view: [80, 195, 40] [0, 0, 0] 1500
// desc: Press-fit the lifter rod assembly to the mounted motor shaft. Make sure the flatted side of the shaft is aligned with the flat of the shaft hole.
z_tower_assembly_1(slidepos=slidepos) {
up(explode*1.2) {
z_tower_assembly_3();
}
if ($children > 0) children(0);
// Construction arrows.
if(arrows && explode>=50) {
up(explode*0.7) {
yrot(-90) arrow(size=explode/3);
}
}
}
}
//!z_tower_assembly_4(explode=100, arrows=true);
module z_tower_assembly_5(slidepos=0, explode=0, arrows=false)
{
// view: [15, 80, 300] [60, 0, 60] 1900
// desc: Attach two rail segments to the top of the motor Z lifter assembly.
up(motor_rail_length/2) {
yrot(90) zrot(90) z_tower_assembly_4(slidepos=slidepos) {
if ($children > 0) zrot(-90) children(0);
// desc: Attach three Z rail segments together to make a Z tower rail assembly. Do this again to make a second 3 segment tower. (Six total Z-rail segments in two sets of three.)
up(rail_length*1.5+explode) {
zspread(rail_length + explode, n=3) {
yrot(90) zrot(90) z_rail();
}
up(motor_rail_length/2+rail_length/2+explode) {
yrot(90) zrot(90) rail_segment();
up(rail_length+0.5+explode*1) {
yrot(90) zrot(-90) rail_segment();
up(rail_length/2+explode*1.5) {
if (hide_endcaps == false) {
if ($children > 1) children(1);
}
if ($children > 0) {
up(slidepos+rail_length/2) {
right(rail_height+groove_height/2) {
children(0);
}
}
}
up(rail_length*1.5+2*explode) {
if (hide_endcaps == false) {
if ($children > 1) {
children(1);
}
}
}
@@ -816,15 +692,15 @@ module z_tower_assembly_5(slidepos=0, explode=0, arrows=false)
}
}
}
//!z_tower_assembly_5(slidepos=0, explode=0, arrows=true) z_sled();
//!z_tower_assembly_5(explode=100, arrows=true);
//!z_tower_assembly_5();
//!z_tower_assembly_1(explode=100, arrows=true);
//!z_tower_assembly_1() { z_sled(); rail_z_endcap(); }
//!z_tower_assembly_1();
module z_tower_assembly_6(explode=0, arrows=false)
module z_tower_assembly_2(explode=0, arrows=false)
{
// view: [-110, 20, 80] [55, 0, 60] 1400
// desc: Attach support legs to each side of the yz_joiner part.
// desc: Attach support legs to each side of a YZ Joiner part. Do this again for a second YZ Joiner part.
zrot(-90) yz_joiner();
left(6+explode) {
if ($children > 0) zrot(-90) children(0);
@@ -848,26 +724,20 @@ module z_tower_assembly_6(explode=0, arrows=false)
}
}
}
//!z_tower_assembly_6(slidepos=0, explode=0, arrows=true) z_sled();
//!z_tower_assembly_6(explode=100, arrows=true);
//!z_tower_assembly_6();
//!z_tower_assembly_2(explode=100, arrows=true);
//!z_tower_assembly_2();
module left_z_tower_assembly_1(slidepos=0, explode=0, arrows=false)
module z_tower_assembly_3(slidepos=0, explode=0, arrows=false)
{
// view: [-55, 0, 285] [70, 0, 65] 1700
// desc: Attach the Z rail assembly to the top of a YZ joiner assembly. Route the wires through the back of the YZ joiner.
// desc: Attach a Z tower rail assembly to the top of each YZ joiner assembly.
left(platform_length) {
z_tower_assembly_6() {
z_tower_assembly_2() {
if ($children > 2) children(2);
}
wiring([
[rail_thick+6, -1, rail_height+explode+2],
[rail_thick+6, 0, rail_thick+5],
[-10, 0, rail_thick+5],
], 4);
up(rail_height+groove_height+explode) {
z_tower_assembly_5(slidepos=slidepos) {
z_tower_assembly_1(slidepos=slidepos) {
if ($children > 0) children(0);
if ($children > 1) children(1);
}
@@ -883,24 +753,23 @@ module left_z_tower_assembly_1(slidepos=0, explode=0, arrows=false)
}
}
}
//!left_z_tower_assembly_1(slidepos=0, explode=0, arrows=true) z_sled();
//!left_z_tower_assembly_1(explode=100, arrows=true);
//!left_z_tower_assembly_1();
//!z_tower_assembly_3(slidepos=0, explode=0, arrows=true) z_sled();
//!z_tower_assembly_3(explode=100, arrows=true);
//!z_tower_assembly_3();
module left_z_tower_assembly_2(slidepos=0, explode=0, arrows=false)
module z_tower_assembly_4(slidepos=0, explode=0, arrows=false)
{
// view: [-55, 0, 285] [70, 0, 65] 1700
// desc: Attach a cable chain joiner mount to the front-size of the left Z tower, above the top hole of the bottom rail segment.
left_z_tower_assembly_1(slidepos=slidepos) {
z_tower_assembly_3(slidepos=slidepos) {
if ($children > 0) children(0);
if ($children > 1) children(1);
if ($children > 2) children(2);
if ($children > 3) children(3);
}
left(platform_length) {
fwd(rail_width/2+explode) {
up(rail_height+groove_height+motor_rail_length+rail_length-10) {
up(rail_height+groove_height+2*rail_length-10) {
yrot(90) zrot(90) cable_chain_joiner_mount();
}
}
@@ -909,55 +778,19 @@ module left_z_tower_assembly_2(slidepos=0, explode=0, arrows=false)
if (arrows && explode>10) {
left(platform_length-rail_height/4) {
fwd(rail_width/2+explode*0.5) {
up(rail_height+groove_height+motor_rail_length+rail_length-10) {
up(rail_height+groove_height+2*rail_length-10) {
zrot(-90) arrow(size=explode/3);
}
}
}
}
}
//!left_z_tower_assembly_2(slidepos=0, explode=0, arrows=true) z_sled();
//!left_z_tower_assembly_2(explode=100, arrows=true);
//!left_z_tower_assembly_2();
//!z_tower_assembly_4(explode=0, arrows=true) z_sled();
//!z_tower_assembly_4(explode=100, arrows=true);
//!z_tower_assembly_4();
module right_z_tower_assembly(slidepos=0, explode=0, arrows=false)
{
// view: [-55, 0, 285] [60, 0, 120] 1700
// desc: Attach the Z rail assembly to the top of the YZ joiner assembly. Route the wires through the front of the YZ joiner.
left(platform_length) {
z_tower_assembly_6() {
if ($children > 2) children(2);
}
wiring([
[rail_thick+4, 1, rail_height+explode+2],
[rail_thick+4, 1, rail_thick+5],
[motor_rail_length/2, -rail_width/3, rail_thick+5],
[platform_length+10, -rail_width/3, rail_thick+5],
], 4);
up(rail_height+groove_height+explode) {
z_tower_assembly_5(slidepos=slidepos) {
if ($children > 0) children(0);
if ($children > 1) children(1);
}
}
// Construction arrows.
if (arrows && explode>10) {
right(rail_height/2+groove_height/2) {
up(rail_height+groove_height+explode*0.5) {
yrot(-90) arrow(size=explode/3);
}
}
}
}
}
//!right_z_tower_assembly(slidepos=0, explode=0, arrows=true) z_sled();
//!right_z_tower_assembly(explode=100, arrows=true);
//!right_z_tower_assembly();
module extruder_bridge_assembly_1(explode=0, arrows=false)
module extruder_assembly_1(explode=0, arrows=false)
{
// view: [0, -40, 0] [75, 0, 45] 1000
// desc: Insert the 686 bearing into the extruder idler arm.
@@ -973,14 +806,15 @@ module extruder_bridge_assembly_1(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_1(explode=100, arrows=true);
//!extruder_assembly_1(explode=100, arrows=true);
//!extruder_assembly_1();
module extruder_bridge_assembly_2(explode=0, arrows=false)
module extruder_assembly_2(explode=0, arrows=false)
{
// view: [0, 15, 15] [75, 0, 20] 1000
// desc: Insert the idler axle through the 686 bearing, and lock it into the extruder idler arm with the axle cap.
extruder_bridge_assembly_1();
extruder_assembly_1();
back(extruder_idler_diam/2) {
left(extruder_shaft_len/2/2+1+explode*0.75) {
yrot(90) extruder_idler_axle();
@@ -1002,10 +836,10 @@ module extruder_bridge_assembly_2(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_2(explode=100, arrows=true);
//!extruder_assembly_2(explode=100, arrows=true);
module extruder_bridge_assembly_3(explode=0, arrows=false)
module extruder_assembly_3(explode=0, arrows=false)
{
// view: [40, 20, 10] [55, 0, 25] 700
// desc: Attach the extruder drive gear onto the stepper motor shaft.
@@ -1027,11 +861,11 @@ module extruder_bridge_assembly_3(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_3(explode=100, arrows=true);
//!extruder_bridge_assembly_3();
//!extruder_assembly_3(explode=100, arrows=true);
//!extruder_assembly_3();
module extruder_bridge_assembly_4(explode=0, arrows=false)
module extruder_assembly_4(explode=0, arrows=false)
{
// view: [0, 0, 0] [50, 0, 80] 900
// desc: Slide the JHead extruder hot end into the slot in the bottom of the JHead platform. Route the wiring up through the wiring access slot, and along the back of the extruder platform.
@@ -1045,21 +879,21 @@ module extruder_bridge_assembly_4(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_4(explode=100, arrows=true);
//!extruder_bridge_assembly_4();
//!extruder_assembly_4(explode=100, arrows=true);
//!extruder_assembly_4();
module extruder_bridge_assembly_5(explode=0, arrows=false)
module extruder_assembly_5(explode=0, arrows=false)
{
// view: [10, 85, 230] [55, 0, 55] 1600
// desc: Clip the extruder motor with drive gear to the jhead platform using the extruder motor clip.
motor_width = nema_motor_width(17);
extruder_bridge_assembly_4();
extruder_assembly_4();
up(jhead_groove_thick+jhead_shelf_thick+motor_width/2+explode*2) {
fwd(extruder_drive_diam/2-0.5) {
left(extruder_shaft_len/2-0.05) {
extruder_bridge_assembly_3();
extruder_assembly_3();
left(motor_length/2) {
up(explode*2) {
zrot(-90) extruder_motor_clip();
@@ -1083,20 +917,20 @@ module extruder_bridge_assembly_5(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_5(explode=100, arrows=true);
//!extruder_bridge_assembly_5();
//!extruder_assembly_5(explode=100, arrows=true);
//!extruder_assembly_5();
module extruder_bridge_assembly_6(explode=0, arrows=false)
module extruder_assembly_6(explode=0, arrows=false)
{
// view: [70, 0, 60] [55, 0, 55] 1000
// desc: Insert the idler arm into the idler hinge hole on the JHead platform.
motor_width = nema_motor_width(17);
extruder_bridge_assembly_5();
extruder_assembly_5();
up(jhead_groove_thick+jhead_shelf_thick+motor_width/2) {
right(explode*2) {
extruder_bridge_assembly_2();
extruder_assembly_2();
}
}
@@ -1109,16 +943,16 @@ module extruder_bridge_assembly_6(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_6(explode=100, arrows=true);
//!extruder_bridge_assembly_6();
//!extruder_assembly_6(explode=100, arrows=true);
//!extruder_assembly_6();
module extruder_bridge_assembly_7(explode=0, arrows=false)
module extruder_assembly_7(explode=0, arrows=false)
{
// view: [70, 0, 60] [55, 0, 55] 1000
// desc: Insert the idler latch arm into the latch hinge hole on the JHead platform.
motor_width = nema_motor_width(17);
extruder_bridge_assembly_6();
extruder_assembly_6();
up(jhead_groove_thick+jhead_shelf_thick+motor_width/2) {
right(explode*2) {
extruder_latch();
@@ -1134,15 +968,15 @@ module extruder_bridge_assembly_7(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_7(explode=100, arrows=true);
//!extruder_bridge_assembly_7();
//!extruder_assembly_7(explode=100, arrows=true);
//!extruder_assembly_7();
module extruder_bridge_assembly_8(explode=0, arrows=false)
module extruder_assembly_8(explode=0, arrows=false)
{
// view: [90, 70, 95] [55, 0, 25] 1200
// desc: Insert the extruder fan shroud into the JHead platform, latching the JHead hot end, and idler and latch arms into place.
extruder_bridge_assembly_7();
extruder_assembly_7();
right(extruder_length/4) {
up(jhead_groove_thick+0.05+explode*2) {
extruder_fan_shroud() children();
@@ -1158,15 +992,15 @@ module extruder_bridge_assembly_8(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_8(explode=100, arrows=true);
//!extruder_bridge_assembly_8();
//!extruder_assembly_8(explode=100, arrows=true);
//!extruder_assembly_8();
module extruder_bridge_assembly_9(explode=0, arrows=false)
module extruder_assembly_9(explode=0, arrows=false)
{
// view: [0, 0, 110] [55, 0, 0] 1200
// desc: Clip a cooling fan to the top of the extruder fan shroud using the extruder fan clip part. Route the wiring along the back side of the extruder platform.
extruder_bridge_assembly_8() {
extruder_assembly_8() {
children();
}
right(extruder_length/4) {
@@ -1202,11 +1036,11 @@ module extruder_bridge_assembly_9(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_9(explode=100, arrows=true);
//!extruder_bridge_assembly_9();
//!extruder_assembly_9(explode=100, arrows=true);
//!extruder_assembly_9();
module extruder_bridge_assembly_10(explode=0, arrows=false)
module extruder_assembly_10(explode=0, arrows=false)
{
// view: [90, 70, 95] [55, 0, 25] 1200
// desc: Attach a cooling fan to the cooling fan shroud.
@@ -1231,16 +1065,16 @@ module extruder_bridge_assembly_10(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_10(explode=100, arrows=true);
//!extruder_bridge_assembly_10();
//!extruder_assembly_10(explode=100, arrows=true);
//!extruder_assembly_10();
module extruder_bridge_assembly_11(explode=0, arrows=false)
module extruder_assembly_11(explode=0, arrows=false)
{
// view: [32, -6, -50] [100, 0, 10] 1000
// desc: Attach the cooling fan shroud assembly to the bottom of the extruder fan shroud. Route the wiring up through the wiring access slot, and along the back side of the extruder platform.
extruder_bridge_assembly_9() {
down(explode) extruder_bridge_assembly_10();
extruder_assembly_9() {
down(explode) extruder_assembly_10();
// Construction arrows.
if (arrows && explode>50) {
@@ -1250,15 +1084,15 @@ module extruder_bridge_assembly_11(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_11(explode=100, arrows=true);
//!extruder_bridge_assembly_11();
//!extruder_assembly_11(explode=100, arrows=true);
//!extruder_assembly_11();
module extruder_bridge_assembly_12(explode=0, arrows=false)
module bridge_assembly_1(explode=0, arrows=false)
{
// view: [0, 70, 55] [55, 0, 25] 1850
// desc: Attach rail segments to either end of the extruder platform assembly. Route the wiring through the left side rail segment, and out the front-left wiring access hole.
extruder_bridge_assembly_11();
extruder_assembly_11();
xspread(extruder_length+rail_length+2*explode) {
zrot(90) rail_segment();
}
@@ -1288,15 +1122,15 @@ module extruder_bridge_assembly_12(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_12(explode=100, arrows=true);
//!extruder_bridge_assembly_12();
//!bridge_assembly_1(explode=100, arrows=true);
//!bridge_assembly_1();
module extruder_bridge_assembly_13(explode=0, arrows=false)
module bridge_assembly_2(explode=0, arrows=false)
{
// view: [0, 0, 18] [55, 0, 25] 2100
// desc: Attach a vertical cable-chain mount to the front left side of the extruder bridge.
extruder_bridge_assembly_12();
bridge_assembly_1();
left(extruder_length/2+rail_length-10) {
fwd(rail_width/2+explode*2) {
zrot(90) cable_chain_joiner_vertical_mount();
@@ -1314,34 +1148,98 @@ module extruder_bridge_assembly_13(explode=0, arrows=false)
}
}
}
//!extruder_bridge_assembly_13(explode=100, arrows=true);
//!extruder_bridge_assembly_13();
//!bridge_assembly_2(explode=100, arrows=true);
//!bridge_assembly_2();
module extruder_bridge_assembly_14(explode=0, arrows=false)
module bridge_assembly_3(explode=0, arrows=false)
{
// view: [0, 0, 18] [55, 0, 25] 2100
// desc: Attach Z sled segments to either end of the extruder bridge assembly.
down(platform_length/2) {
right((extruder_length+rail_length*2+cantilever_length*2)/2) {
extruder_bridge_assembly_13();
zring(r=(extruder_length+2*rail_length+2*cantilever_length+3*explode)/2, n=2) {
zrot(180) z_sled();
}
bridge_assembly_2();
zring(r=(extruder_length+2*rail_length+2*cantilever_length+3*explode)/2, n=2) {
zrot(180) z_sled();
}
// Construction arrows.
if(arrows && explode>50) {
up(rail_height/2+groove_height/2) {
zring(r=(extruder_length+2*rail_length+2*cantilever_length+0.75*explode)/2, n=2) {
arrow(size=explode/3);
}
}
// Construction arrows.
if(arrows && explode>50) {
up(rail_height/2+groove_height/2) {
zring(r=(extruder_length+2*rail_length+2*cantilever_length+0.75*explode)/2, n=2) {
arrow(size=explode/3);
}
}
}
}
//!extruder_bridge_assembly_14(explode=100, arrows=true);
//!extruder_bridge_assembly_14();
//!bridge_assembly_3(explode=100, arrows=true);
//!bridge_assembly_3();
module bridge_assembly_4(slidepos=0, explode=0, arrows=false)
{
// view: [0, 0, 18] [55, 0, 25] 2100
// desc: Attach Z sled segments to either end of the extruder bridge assembly.
nema17_stepper(h=motor_length, shaft_len=motor_shaft_length, $fa=1, $fs=0.5);
up(explode+lifter_screw_thick+5.05) {
zrot(-360*slidepos/lifter_screw_pitch-90) {
yrot(180) lifter_screw();
}
}
// Construction arrows.
if(arrows && explode>50) {
up(explode/2) {
yrot(-90) arrow(size=explode/3);
}
}
}
//!bridge_assembly_4(slidepos=1, explode=100, arrows=true);
//!bridge_assembly_4();
module bridge_assembly_5(slidepos=0, explode=0, arrows=false)
{
// view: [0, -15, -85] [45, 0, 180] 1800
// desc: Insert the Z stepper motors into the motor mount cages on the Z-sleds at both ends of the bridge. Route the wiring to the left-side front wiring access hole with the rest of the extruder wiring.
motor_width = nema_motor_width(17)+printer_slop*2;
bridge_assembly_3();
down(explode*3-1) {
zring(r=(extruder_length+2*rail_length+2*cantilever_length)/2, n=2) {
xrot(180) zrot(-90) bridge_assembly_4(slidepos=slidepos);
}
motor_spread = extruder_length + 2*rail_length + 2*cantilever_length - motor_width;
wiring([
[-motor_spread/2, 0, motor_length-5],
[-(motor_spread/2-5), 0, motor_length-5],
[-(motor_spread/2+motor_width/2-cantilever_length+5), 0, rail_thick+5],
[-(motor_spread/2+motor_width/2-cantilever_length), 0, rail_thick+5],
[-(motor_spread/2+motor_width/2-cantilever_length-20), 0, rail_thick+5],
[-(extruder_length/2+rail_length-30), -(rail_width-joiner_width)/2, rail_thick+5],
[-(extruder_length/2+rail_length-30), -(rail_width+joiner_width)/2, rail_thick+5]
], 4);
wiring([
[motor_spread/2, 0, motor_length-5],
[(motor_spread/2-5), 0, motor_length-5],
[(motor_spread/2+motor_width/2-cantilever_length+5), 0, rail_thick+5],
[(motor_spread/2+motor_width/2-cantilever_length), 0, rail_thick+5],
[(motor_spread/2+motor_width/2-cantilever_length-20), 0, rail_thick+5],
[(extruder_length/2+rail_length-30), -(rail_width-joiner_width)/2+10, rail_thick+5],
[-(extruder_length/2+rail_length-36), -(rail_width-joiner_width)/2+10, rail_thick+5],
[-(extruder_length/2+rail_length-36), -(rail_width+joiner_width)/2, rail_thick+5],
], 4);
}
// Construction arrows.
if(arrows && explode>50) {
zring(r=(extruder_length+2*rail_length+2*cantilever_length)/2, n=2) {
down(explode*1.5) {
yrot(90) arrow(size=explode/3);
}
}
}
}
//!bridge_assembly_5(explode=100, arrows=true);
//!bridge_assembly_5();
// Borosilicate Glass. Render last to allow transparency to work.
@@ -1361,7 +1259,7 @@ module final_assembly_1(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
x_axis_assembly_9(xslidepos=xslidepos, yslidepos=yslidepos) {
nil();
right(explode*2) {
zrot(180) right_z_tower_assembly(slidepos=zslidepos) {
zrot(180) z_tower_assembly_4(slidepos=zslidepos) {
nil();
if ($children > 3) children(3);
if ($children > 4) children(4);
@@ -1376,11 +1274,6 @@ module final_assembly_1(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
}
if ($children > 5) children(5);
}
wiring([
[-(motor_rail_length/2+rail_length+30), rail_width/3, rail_thick+5],
[0, rail_width/3, rail_thick+5],
[(motor_rail_length/2+rail_length+2*explode+10), rail_width/3, rail_thick+5],
], 4);
}
//!final_assembly_1(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows=true) z_sled();
//!final_assembly_1(explode=100, arrows=true);
@@ -1399,7 +1292,7 @@ module final_assembly_2(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
// desc: Attach the left Z tower assembly to the left end of the XY axes assembly. Route all wiring out the back of the left Z tower base.
x_axis_assembly_9(xslidepos=xslidepos, yslidepos=yslidepos) {
left(explode*2) {
left_z_tower_assembly_2(slidepos=zslidepos) {
z_tower_assembly_4(slidepos=zslidepos) {
if ($children > 0) children(0);
if ($children > 1) children(1);
if ($children > 2) children(2);
@@ -1415,7 +1308,7 @@ module final_assembly_2(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
}
}
right(0) {
zrot(180) right_z_tower_assembly(slidepos=zslidepos) {
zrot(180) z_tower_assembly_3(slidepos=zslidepos) {
nil();
if ($children > 3) children(3);
if ($children > 4) children(4);
@@ -1423,13 +1316,6 @@ module final_assembly_2(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
}
if ($children > 5) children(5);
}
wiring([
[-(motor_rail_length/2+rail_length+2*explode+platform_length+100), 5, rail_thick+5],
[-(motor_rail_length/2+rail_length+2*explode+platform_length-5), 5, rail_thick+5],
[-(motor_rail_length/2+rail_length+2*explode+15), rail_width/3, rail_thick+5],
[0, rail_width/3, rail_thick+5],
[(motor_rail_length/2+rail_length+10), rail_width/3, rail_thick+5],
], 4);
wiring([
[-(motor_rail_length/2+rail_length+2*explode+platform_length+100), 0, rail_thick+10],
[-(motor_rail_length/2+rail_length+2*explode+platform_length-5), 0, rail_thick+10],
@@ -1456,10 +1342,12 @@ module final_assembly_2(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
module final_assembly_3(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows=false)
{
// view: [0, 0, 240] [55, 0, 25] 3000
// desc: Lower the extruder bridge down into the Z tower grooves, screwing the lifter rods into the Z sleds evenly.
// desc: Lower the extruder bridge down into the Z tower grooves, screwing the lifter screws into the Z-rail racks evenly.
final_assembly_2(xslidepos=xslidepos, yslidepos=yslidepos, zslidepos=zslidepos) {
up(explode*6) {
extruder_bridge_assembly_14();
right((extruder_length+rail_length*2+cantilever_length*2)/2) {
bridge_assembly_5(slidepos=zslidepos);
}
// Construction arrows.
if(arrows && explode>50) {
@@ -1481,7 +1369,7 @@ module final_assembly_3(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
}
}
//!final_assembly_3(explode=100, arrows=true);
//!final_assembly_3();
//!final_assembly_3(zslidepos=0);
module final_assembly_4(explode=0, arrows=false)
@@ -1555,8 +1443,7 @@ module final_assembly_5(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
left(motor_rail_length/2+rail_length+platform_length) {
wiring([
[rail_thick+5, rail_width/3, 2*rail_length+motor_rail_length+rail_height+2*explode],
[rail_thick+5, rail_width/3, rail_length+motor_rail_length+rail_height-10],
[rail_thick+5, 0, motor_rail_length+rail_height+30],
[rail_thick+5, rail_width/3, rail_thick+5],
[rail_thick+5, 0, rail_thick+5],
[-100, 0, rail_thick+5],
], 2, fillet=9, wirenum=4);
@@ -1573,7 +1460,7 @@ module final_assembly_5(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
module final_assembly_6(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows=false)
{
// view: [0, 0, 240] [92, 0, 10] 3000
// desc: Attach a cable chain (17 links) from the extruder bridge cable chain mount to the left Z tower cable chain mount. Route the extruder bridge wiring up through the cable chain, back into the left Z tower through the wiring access hole below the cable chain mount, down the left Z tower, and back out the motor rail segment to where the controller board will be mounted.
// desc: Attach a cable chain (18 links) from the extruder bridge cable chain mount to the left Z tower cable chain mount. Route the extruder bridge wiring up through the cable chain, back into the left Z tower through the wiring access hole below the cable chain mount, down the left Z tower, and back out the motor rail segment to where the controller board will be mounted.
final_assembly_5(xslidepos=xslidepos, yslidepos=yslidepos, zslidepos=zslidepos) {
if ($children > 0) children(0);
if ($children > 1) children(1);
@@ -1581,18 +1468,18 @@ module final_assembly_6(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
if ($children > 3) children(3);
}
vert_off = rail_height + groove_height/2 + cantilever_length + cable_chain_height/2 - 2.5;
up(2*explode+rail_height+motor_rail_length+rail_length+cable_chain_length/2) {
up(2*explode+rail_height+groove_height+rail_length+rail_length) {
left(motor_rail_length/2+rail_length+platform_length) {
fwd(rail_width/2+joiner_width+17.5) {
yrot(90) {
up(cable_chain_height/2) {
cable_chain_assembly(
[rail_height+groove_height/2-cable_chain_length/2+cable_chain_height/4, 0, vert_off],
[-cable_chain_length/2-cable_chain_height/4, 0, vert_off],
[0, 0, 0],
[-1, 0, 0],
2*rail_length-platform_length,
2*rail_length,
zslidepos,
wires=12
wires=20
);
}
}
@@ -1602,20 +1489,20 @@ module final_assembly_6(xslidepos=0, yslidepos=0, zslidepos=0, explode=0, arrows
[0, 0.01, -explode*2-cable_chain_length/2],
[rail_thick-1, 0, -explode*2-cable_chain_length-5],
[rail_thick-1, 45, -explode*2-cable_chain_length-5],
[rail_thick-1, 45.01, -explode*2-cable_chain_length-rail_length-30],
[-15, 45, -explode*2-cable_chain_length-rail_length-50],
[-15, 55, -explode*2-cable_chain_length-rail_length-75],
[rail_thick-1, 45.01, -explode*2-cable_chain_length-rail_length-10],
[-15, 45, -explode*2-cable_chain_length-rail_length-25],
[-15, 55, -explode*2-cable_chain_length-rail_length-40],
[-15, 55.01, -explode*2-cable_chain_length-rail_length-motor_rail_length],
], 12);
], 20);
right(vert_off) {
down(rail_height+groove_height/2-cable_chain_length/2+cable_chain_height/4-zslidepos) {
up(cable_chain_length/2+zslidepos) {
wiring([
[0, 0, 0],
[0.01, 0, -explode*2-cable_chain_length/2-10],
[20, 0, -explode*2-cable_chain_length/2-10],
[20, 15, -explode*2-cable_chain_length/2+10],
[20, 30, -explode*2-cable_chain_length/2+10],
], 12);
], 20);
}
}
}
@@ -1794,7 +1681,7 @@ module full_rendering()
{
xpos = 100*cos(360*$t+120);
ypos = 100*sin(360*$t+120);
zpos = (rail_length*2-platform_length)/3*cos(360*$t);
zpos = 0.9*(rail_length-(rail_height+groove_height)/2)*cos(360*$t) - (rail_height + groove_height)/2;
final_assembly_10(xslidepos=xpos, yslidepos=ypos, zslidepos=zpos);
}

15
lifter_screw_parts.scad
View File

@@ -5,7 +5,12 @@ use <acme_screw.scad>
$fa=2;
$fs=2;
module lifter_screw(d=50, h=10, thread_depth=3, pitch=10, hole=30, pa=50) {
module lifter_screw() {
d = lifter_screw_diam;
h = lifter_screw_thick;
thread_depth = lifter_screw_pitch/3.2;
pitch = lifter_screw_pitch;
pa = lifter_screw_angle;
up(h/2) {
difference() {
union() {
@@ -58,13 +63,7 @@ module lifter_screw(d=50, h=10, thread_depth=3, pitch=10, hole=30, pa=50) {
//!lifter_screw(d=20, h=20, thread_depth=3, pitch=8);
module lifter_screw_parts() { // make me
lifter_screw(
d=lifter_gear_diam,
h=lifter_gear_thick,
thread_depth=lifter_gear_pitch/3.2,
pitch=lifter_gear_pitch,
pa=lifter_gear_angle
);
lifter_screw();
}
lifter_screw_parts();

33
rail_segment_parts.scad
View File

@@ -8,14 +8,15 @@ use <joiners.scad>
module rail_segment(explode=0, connectby="")
{
side_joiner_len = 2;
l = rail_length - 2*printer_slop;
up(
(connectby=="fwd")? -rail_height/2 :
(connectby=="back")? -rail_height/2 :
0
) back(
(connectby=="back")? -rail_length/2 :
(connectby=="fwd")? rail_length/2 :
(connectby=="back")? -l/2 :
(connectby=="fwd")? l/2 :
0
) {
color([0.9, 0.7, 1.0])
@@ -25,18 +26,18 @@ module rail_segment(explode=0, connectby="")
union() {
// Bottom.
up(rail_thick/2) yrot(90)
sparse_strut(h=rail_width, l=rail_length, thick=rail_thick, maxang=45, strut=10, max_bridge=500);
sparse_strut(h=rail_width, l=l, thick=rail_thick, maxang=45, strut=10, max_bridge=500);
// Walls.
zrot_copies([0, 180]) {
up(rail_height/2) {
right((rail_spacing+joiner_width)/2) {
if (wall_style == "crossbeams")
sparse_strut(h=rail_height, l=rail_length-10, thick=joiner_width, strut=5);
sparse_strut(h=rail_height, l=l-10, thick=joiner_width, strut=5);
if (wall_style == "thinwall")
thinning_wall(h=rail_height, l=rail_length-10, thick=joiner_width, strut=5, bracing=false);
thinning_wall(h=rail_height, l=l-10, thick=joiner_width, strut=5, bracing=false);
if (wall_style == "corrugated")
corrugated_wall(h=rail_height, l=rail_length-10, thick=joiner_width, strut=5);
corrugated_wall(h=rail_height, l=l-10, thick=joiner_width, strut=5);
}
}
}
@@ -44,13 +45,13 @@ module rail_segment(explode=0, connectby="")
// Rails.
xspread(rail_spacing+joiner_width) {
up(rail_height+groove_height/2-0.05) {
rail(l=rail_length, w=joiner_width, h=groove_height);
rail(l=l, w=joiner_width, h=groove_height);
}
}
// Side Supports
up(rail_height/4) {
yspread(rail_length-2*5-5) {
yspread(l-2*5-5) {
difference() {
cube(size=[rail_width-joiner_width, 4, rail_height/2], center=true);
xspread(rail_width/3, n=3) {
@@ -74,13 +75,13 @@ module rail_segment(explode=0, connectby="")
// Clear space for joiners.
up(rail_height/2) {
joiner_quad_clear(xspacing=rail_spacing+joiner_width, yspacing=rail_length-0.05, h=rail_height, w=joiner_width, clearance=5, a=joiner_angle);
joiner_quad_clear(xspacing=rail_spacing+joiner_width, yspacing=l-0.05, h=rail_height, w=joiner_width, clearance=5, a=joiner_angle);
}
// Clear space for Side half joiners
up(rail_height/2/2) {
yspread(rail_length-20) {
yspread(l-20) {
zring(r=rail_spacing/2+joiner_width+side_joiner_len-0.05, n=2) {
zrot(-90) {
chamfer(chamfer=3, size=[joiner_width, 2*(side_joiner_len+joiner_width/2), rail_height/2], edges=[[0,0,0,0], [1,1,0,0], [0,0,0,0]]) {
@@ -108,7 +109,7 @@ module rail_segment(explode=0, connectby="")
cube(size=[rail_width+1, 1, rail_thick-2], center=true);
}
xspread(22, n=5) {
yspread(rail_length-10) {
yspread(l-10) {
cube(size=[1, 17.5*2, rail_thick-2], center=true);
}
}
@@ -117,7 +118,7 @@ module rail_segment(explode=0, connectby="")
// Side half joiners
up(rail_height/2/2) {
yspread(rail_length-20) {
yspread(l-20) {
zring(r=rail_spacing/2+joiner_width+side_joiner_len, n=2) {
zrot(-90) {
chamfer(chamfer=3, size=[joiner_width, 2*(side_joiner_len+joiner_width/2), rail_height/2], edges=[[0,0,0,0], [1,1,0,0], [0,0,0,0]]) {
@@ -130,19 +131,19 @@ module rail_segment(explode=0, connectby="")
// Snap-tab joiners.
up(rail_height/2) {
joiner_quad(xspacing=rail_spacing+joiner_width, yspacing=rail_length, h=rail_height, w=joiner_width, l=6, a=joiner_angle);
joiner_quad(xspacing=rail_spacing+joiner_width, yspacing=l, h=rail_height, w=joiner_width, l=6, a=joiner_angle);
}
}
up(rail_height/2) {
fwd(rail_length/2+explode) {
fwd(l/2+explode) {
if ($children > 0) children(0);
}
back(rail_length/2+explode) {
back(l/2+explode) {
if ($children > 1) children(1);
}
}
up(rail_height/2/2) {
back(rail_length/2-10) {
back(l/2-10) {
left(rail_spacing/2+joiner_width+side_joiner_len) {
if ($children > 2) children(2);
}

2
sliders.scad
View File

@@ -68,7 +68,7 @@ module rail(l=30, w=joiner_width, h=groove_height, fillet=1.0, ang=groove_angle)
{
difference() {
// Rail backing.
cube(size=[w, l, h], center=true);
down(0.05/2) cube(size=[w, l, h+0.05], center=true);
xflip_copy() {
left(w/2) {

29
xy_sled_parts.scad
View File

@@ -18,7 +18,7 @@ module herringbone_rack(l=100, h=10, w=10, tooth_size=5, CA=30)
left(l/2-tooth_size/2) {
rack(
mm_per_tooth=tooth_size,
number_of_teeth=floor(l/tooth_size),
number_of_teeth=floor(l/tooth_size)+1,
thickness=h/2+0.005,
height=w,
pressure_angle=20,
@@ -40,7 +40,8 @@ module xy_sled()
{
slider_len = 20;
slider_count = 2;
slider_spacing = (platform_length-slider_len-15)/(slider_count-1);
l = platform_length - 2*printer_slop;
slider_spacing = (l-slider_len-15)/(slider_count-1);
color("MediumSlateBlue")
prerender(convexity=10)
@@ -49,18 +50,18 @@ module xy_sled()
union() {
// Bottom
up(platform_thick/2)
yrot(90) sparse_strut(h=platform_width, l=platform_length, thick=platform_thick, maxang=45, strut=12, max_bridge=999);
yrot(90) sparse_strut(h=platform_width, l=l, thick=platform_thick, maxang=45, strut=12, max_bridge=999);
// Walls.
zrot_copies([0, 180]) {
translate([(platform_width-joiner_width)/2, 0, platform_height/2]) {
chamfer(chamfer=3, size=[joiner_width, platform_length, platform_height], edges=[[0,0,0,0], [1,1,0,0], [0,0,0,0]]) {
chamfer(chamfer=3, size=[joiner_width, l, platform_height], edges=[[0,0,0,0], [1,1,0,0], [0,0,0,0]]) {
if (wall_style == "crossbeams")
sparse_strut(h=platform_height, l=platform_length-10, thick=joiner_width, strut=5);
sparse_strut(h=platform_height, l=l-10, thick=joiner_width, strut=5);
if (wall_style == "thinwall")
thinning_wall(h=platform_height, l=platform_length-10, thick=joiner_width, strut=platform_thick, wall=3, bracing=false);
thinning_wall(h=platform_height, l=l-10, thick=joiner_width, strut=platform_thick, wall=3, bracing=false);
if (wall_style == "corrugated")
corrugated_wall(h=platform_height, l=platform_length-10, thick=joiner_width, strut=platform_thick, wall=3);
corrugated_wall(h=platform_height, l=l-10, thick=joiner_width, strut=platform_thick, wall=3);
}
}
}
@@ -71,11 +72,11 @@ module xy_sled()
left(rack_pcd/2) {
up(platform_thick+rack_base+shaft_clear+rack_height/2) {
difference() {
zrot(-90) herringbone_rack(l=platform_length, h=rack_height+0.1, w=10, tooth_size=rack_tooth_size);
zrot(-90) herringbone_rack(l=l, h=rack_height+0.1, w=10, tooth_size=rack_tooth_size);
up(rack_height/2) {
left(rack_tooth_size/2) {
yrot(15) up(2) {
cube(size=[rack_tooth_size*2, platform_length+10, 4], center=true);
cube(size=[rack_tooth_size*2, l+10, 4], center=true);
}
}
}
@@ -86,7 +87,7 @@ module xy_sled()
addendum = rack_module;
up((platform_thick+shaft_clear+rack_base)/2) {
left(10/2-addendum) {
cube(size=[10,platform_length,platform_thick+rack_base+shaft_clear], center=true);
cube(size=[10,l,platform_thick+rack_base+shaft_clear], center=true);
}
}
}
@@ -101,7 +102,7 @@ module xy_sled()
// Clear space for joiners.
translate([0,0,platform_height/2]) {
joiner_quad_clear(xspacing=platform_width-joiner_width, yspacing=platform_length-0.1, h=platform_height, w=joiner_width, clearance=5, a=joiner_angle);
joiner_quad_clear(xspacing=platform_width-joiner_width, yspacing=l-0.1, h=platform_height, w=joiner_width, clearance=5, a=joiner_angle);
}
// Shrinkage stress relief
@@ -110,7 +111,7 @@ module xy_sled()
cube(size=[platform_width+1, 1, platform_thick-2], center=true);
}
xspread(20, n=7) {
yspread(platform_length-10) {
yspread(l-10) {
cube(size=[1, 20, platform_thick-2], center=true);
}
}
@@ -120,11 +121,11 @@ module xy_sled()
// Snap-tab joiners.
up(platform_height/2) {
difference() {
joiner_quad(xspacing=platform_width-joiner_width, yspacing=platform_length, h=platform_height, w=joiner_width, l=6, a=joiner_angle);
joiner_quad(xspacing=platform_width-joiner_width, yspacing=l, h=platform_height, w=joiner_width, l=6, a=joiner_angle);
up(platform_height/2) {
xspread(platform_width-joiner_width) {
xspread(joiner_width) {
xrot(90) chamfer_mask(r=3, h=platform_length+10);
xrot(90) chamfer_mask(r=3, h=l+10);
}
}
}

36
z_rail_parts.scad
View File

@@ -4,8 +4,8 @@ use <sliders.scad>
use <joiners.scad>
use <acme_screw.scad>
$fa=5;
$fs=3;
$fa=2;
$fs=2;
// connectby valid options: "", "fwd", "back"
module z_rail(explode=0, connectby="")
@@ -33,12 +33,12 @@ module z_rail(explode=0, connectby="")
// Walls.
zrot_copies([0, 180]) {
up(rail_height/2) {
up(rail_height/2+0.05) {
right((rail_spacing+joiner_width)/2) {
if (wall_style == "crossbeams")
sparse_strut(h=rail_height, l=l-10, thick=joiner_width, strut=5);
sparse_strut(h=rail_height+0.1, l=l-10, thick=joiner_width, strut=5);
if (wall_style == "thinwall")
thinning_wall(h=rail_height, l=l-10, thick=joiner_width, strut=5, bracing=false);
thinning_wall(h=rail_height+0.1, l=l-10, thick=joiner_width, strut=5, bracing=false);
if (wall_style == "corrugated")
corrugated_wall(h=rail_height, l=l-10, thick=joiner_width, strut=5);
}
@@ -53,12 +53,12 @@ module z_rail(explode=0, connectby="")
}
// Screw rack
teeth_d = lifter_gear_pitch / 3.2;
ang = acos(1 - 2*teeth_d/lifter_gear_diam);
teeth_h = sin(ang) * lifter_gear_diam + 6;
teeth_d = lifter_screw_pitch / 3.2;
ang = acos(1 - 2*teeth_d/lifter_screw_diam);
teeth_h = sin(ang) * lifter_screw_diam + 6;
render(convexity=10)
difference() {
xspread(lifter_gear_diam) {
xspread(lifter_screw_diam) {
up(rail_height/2) {
sparse_strut(h=rail_height, l=l, thick=2.0*teeth_d, strut=platform_thick);
}
@@ -70,11 +70,11 @@ module z_rail(explode=0, connectby="")
up(rail_height+groove_height/2) {
xrot(90) {
acme_threaded_rod(
d=lifter_gear_diam,
d=lifter_screw_diam,
l=l+0.1,
thread_depth=lifter_gear_pitch/3.2,
pitch=lifter_gear_pitch,
thread_angle=lifter_gear_angle
thread_depth=lifter_screw_pitch/3.2,
pitch=lifter_screw_pitch,
thread_angle=lifter_screw_angle
);
}
}
@@ -91,7 +91,7 @@ module z_rail(explode=0, connectby="")
}
up(rail_height*3/4 + groove_height/2) {
xrot(90) {
cylinder(d=lifter_gear_diam+10, h=10, center=true);
cylinder(d=lifter_screw_diam+10, h=10, center=true);
}
}
}
@@ -155,7 +155,7 @@ module z_rail(explode=0, connectby="")
// Side half joiners
up(rail_height/2/2) {
yspread(l-20) {
yspread(l-20.05) {
zring(r=rail_spacing/2+joiner_width+side_joiner_len+0.1, n=2) {
zrot(-90) {
chamfer(chamfer=3, size=[joiner_width, 2*(side_joiner_len+joiner_width/2), rail_height/2], edges=[[0,0,0,0], [1,1,0,0], [0,0,0,0]]) {
@@ -169,8 +169,10 @@ module z_rail(explode=0, connectby="")
// Snap-tab joiners.
up(rail_height/2) {
xspread(rail_spacing+joiner_width) {
fwd(l/2) xrot(180) joiner(h=rail_height, w=joiner_width, l=6, a=joiner_angle);
back(l/2) joiner(h=rail_height, w=joiner_width, l=6, a=joiner_angle);
yrot(180) {
fwd(l/2) xrot(180) joiner(h=rail_height, w=joiner_width, l=6, a=joiner_angle);
back(l/2) joiner(h=rail_height, w=joiner_width, l=6, a=joiner_angle);
}
}
}
}

2
z_sled_parts.scad
View File

@@ -132,7 +132,7 @@ module z_sled(explode=0, arrows=false)
}
// Placeholder lifter screw
//#up(rail_height+groove_height/2) cylinder(d=lifter_gear_diam, h=16, center=true);
//#up(rail_height+groove_height/2) cylinder(d=lifter_screw_diam, h=16, center=true);
// Children
right(cantilever_length+explode) {