thequux/film-scanner
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

raised left motor mount, reduced size of frame to match extended rear corners, shortened rear corner idler posts to not interfere with frame

Browse Source
This commit is contained in:
TQ Hirsch
2022-03-07 12:49:47 +01:00
parent 97b0bb7fba
commit 377e122f21
3 changed files with 40 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
TODO.md
View File

@@ -2,7 +2,7 @@
* Add place to mount electronics (likely just an extra part)
* add slot for motor electronic connection
* Raise motor mount on front left motor
* Raise motor mount on front left corner
## Electronics

22
assembly.scad
View File

@@ -8,13 +8,13 @@ module frame() {
tslot(xsize - 2 * corner_offset);
translate([ 0, corner_offset, 0 ]) rotate([ -90, 0, 0 ])
tslot(ysize - 2 * corner_offset);
tslot(ysize - 2 * corner_offset - rail_holder_width + wall_thickness);
translate([ corner_offset, ysize, 0 ]) rotate([ 0, 90, 0 ])
tslot(xsize - 2 * corner_offset);
translate([ frame_size/2 + rail_holder_width, ysize, 0 ]) rotate([ 0, 90, 0 ])
tslot(xsize - frame_size - rail_holder_width * 2);
translate([ xsize, corner_offset, 0 ]) rotate([ -90, 0, 0 ])
tslot(ysize - 2 * corner_offset);
tslot(ysize - 2 * corner_offset - rail_holder_width + wall_thickness);
}
module corners() {
translate([ 0, 0 ]) flcorner();
@@ -76,9 +76,15 @@ union() {
moving_parts();
}
*intersection() {
ysled_slider(spread=sled_ysize);
translate([0, -1000, -1000])
cube([2000, 2000, 2000]);
*union() {
rails();
frame();
intersection() {
union() {
corners();
}
translate([-1000, - 1000, -1000])
cube([2000, 2000, 1000]);
}
}
*xsled2();

42
parts.scad
View File

@@ -23,7 +23,7 @@ belt_height2 = belt_height1 + belt_width + 2;
ysled_rail_spacing = (sled_ysize);
motor_shaft_xoffset = 15;
motor_mount_length_adjustment = 4;
motor_mount_length_adjustment = 8;
motor_mount_length = nema17_face + wall_thickness + motor_mount_length_adjustment;
// distance between centerline of rail and centerline of frame Y tube.
@@ -70,7 +70,7 @@ module corner_base(extension = wall_thickness) {
}
// Adjustable feet
cylinder(d=8, h=odim * 2 + 1, $fn = screw_num_sides);
cylinder(d=8, h=odim * 2 + 1, center=true, $fn = screw_num_sides);
}
}
@@ -169,17 +169,19 @@ module nema17_housing() {
hwidth = corner_size + frame_size + wall_thickness;
hheight = nema17_face + wall_thickness * 2;
hdepth = frame_size + wall_thickness * 2;
vertical_extension = frame_size + belt_height2;
screw_dxy = 31 / 2;
slot_vector = [0, - motor_mount_length_adjustment, 0];
translate([ 0, -nema17_face / 2 - frame_size / 2 - wall_thickness, 0 ]) {
slotify([0, - motor_mount_length_adjustment, 0]) {
translate([ 0, 0, -2 ])
cube([ nema17_face + 1, nema17_face + 1, hdepth ], center = true);
slotify(slot_vector) {
translate([ 0, 0, -belt_height2/2 - wall_thickness ])
cube([ nema17_face + 1, nema17_face + 1, hdepth + belt_height2 ], center = true);
cylinder(d = 23, frame_size);
}
for (x = [-1, 1], y = [-1,1]) {
slotify([0, - motor_mount_length_adjustment, 0])
slotify(slot_vector)
translate([
x * screw_dxy,
y * screw_dxy,
@@ -232,6 +234,7 @@ module idler_post(belt_height, toothed = true) {
module flcorner() {
bom_item();
motor_height = belt_height2 - belt_height1;
union() {
rotate([ 0, 0, 0 ]) {
corner_base();
@@ -245,10 +248,10 @@ module flcorner() {
])
cube([
frame_size + wall_thickness + corner_size,
motor_mount_length,
frame_size + wall_thickness * 2
motor_mount_length + wall_thickness,
frame_size + wall_thickness * 2 + motor_height
]);
translate([ motor_shaft_xoffset, 0, 0 ]) nema17_housing();
translate([ motor_shaft_xoffset, 0, motor_height ]) nema17_housing();
}
// translate([motor_shaft_xoffset, 0, 0 ]) nema17_housing();
@@ -258,8 +261,11 @@ module flcorner() {
motor_shaft_xoffset,
-nema17_face / 2 - frame_size / 2 - wall_thickness, frame_size / 2
]) {
translate([0,0,motor_height])
nema17();
translate([ 0, 0, -frame_size / 2 + belt_height2 ]) { active_pulley(); }
translate([ 0, 0, -frame_size / 2 + belt_height2 ])
rotate([180,0,0])
{ active_pulley(); }
}
}
@@ -312,13 +318,13 @@ module blcorner() {
cylinder(d = 3, h = belt_height2, $fn=screw_num_sides);
}
}
translate([motor_shaft_xoffset + pulley_sbend_offset, 0, 0])
translate([motor_shaft_xoffset + pulley_sbend_offset, 0, frame_size/2])
rotate([0,0,-90])
idler_post(belt_height = belt_height1, toothed=true);
idler_post(belt_height = belt_height1 - frame_size/2, toothed=true);
translate([0, -(motor_shaft_xoffset + pulley_sbend_offset), 0])
translate([0, -(motor_shaft_xoffset + pulley_sbend_offset), frame_size/2])
rotate([0,0,-90])
idler_post(belt_height = belt_height2, toothed=true);
idler_post(belt_height = belt_height2 - frame_size/2, toothed=true);
}
module brcorner() {
@@ -328,13 +334,13 @@ module brcorner() {
corner_base(extension = rail_holder_width);
rail_holder(false);
}
translate([-(motor_shaft_xoffset + pulley_sbend_offset), 0, 0])
translate([-(motor_shaft_xoffset + pulley_sbend_offset), 0, frame_size/2])
rotate([0,0,180])
idler_post(belt_height = belt_height2, toothed=true);
idler_post(belt_height = belt_height2 - frame_size/2, toothed=true);
translate([0, -(motor_shaft_xoffset + pulley_sbend_offset), 0])
translate([0, -(motor_shaft_xoffset + pulley_sbend_offset), frame_size/2])
rotate([0,0,180])
idler_post(belt_height = belt_height1, toothed=true);
idler_post(belt_height = belt_height1 - frame_size/2, toothed=true);
}
module xsled_slider() {