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Work on rails

This commit is contained in:
Matt McWilliams 2024-11-05 15:11:08 -05:00
parent 332b45e1b7
commit c3711dfeda
2 changed files with 95 additions and 10 deletions
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28
scad/contact_printer.scad
View File

@ -6,6 +6,7 @@ include <./common/motors.scad>;
include <./common/2020_tslot.scad>; include <./common/2020_tslot.scad>;
include <./takeup/takeup.scad>; include <./takeup/takeup.scad>;
include <./sprocketed_roller/sprocketed_roller_var.scad>; include <./sprocketed_roller/sprocketed_roller_var.scad>;
use <./filmless.scad>;
FrameX = 400; FrameX = 400;
@ -105,7 +106,7 @@ LampWireY = 20;
LampGateX = 11; LampGateX = 11;
LampGateZ = 0.5; LampGateZ = 0.5;
LampRailsSpacingX = 22.5; LampRailsSpacingX = 23;
LampRailsSpacingY = 13; LampRailsSpacingY = 13;
LampRailsOffsetZ = 1 / 2; LampRailsOffsetZ = 1 / 2;
@ -427,9 +428,13 @@ module gate_blank () {
SidesY = 2.7; SidesY = 2.7;
RollerVoidY = -2; RollerVoidY = -2;
SprocketShelfZ = 1.75; SprocketShelfZ = 1.75;
SprocketShelfOffsetZ = -7.2;
SprocketShelfD = 44.75; SprocketShelfD = 44.75;
RollerShelfZ = 2.3; RollerShelfZ = 2.9;
RollerShelfD = 44.75; RollerShelfD = 44.75;
PictureShelfZ = 11;
PictureShelfOffsetZ = -0.5;
PictureShelfD = 44.75;
RoundedBevelD = 55; RoundedBevelD = 55;
RoundedBevelY = -3; RoundedBevelY = -3;
@ -444,9 +449,11 @@ module gate_blank () {
translate([0, (-42.39 / 2) + RollerVoidY, 0]) cylinder(r = R(42.39), h = 20 + 1, center = true, $fn = 240); translate([0, (-42.39 / 2) + RollerVoidY, 0]) cylinder(r = R(42.39), h = 20 + 1, center = true, $fn = 240);
//sprocket shelf //sprocket shelf
translate([0, (-42.39 / 2) + RollerVoidY, (-Z / 2) + 2.4]) cylinder(r = R(SprocketShelfD), h = SprocketShelfZ, center = true, $fn = 240); translate([0, (-42.39 / 2) + RollerVoidY, SprocketShelfOffsetZ]) cylinder(r = R(SprocketShelfD), h = SprocketShelfZ, center = true, $fn = 240);
//roller shelf //roller shelf
translate([0, (-42.39 / 2) + RollerVoidY, (Z / 2) - (RollerShelfZ / 2) + 0.01]) cylinder(r = R(RollerShelfD), h = RollerShelfZ, center = true, $fn = 240); translate([0, (-42.39 / 2) + RollerVoidY, (Z / 2) - (RollerShelfZ / 2) + 0.01]) cylinder(r = R(RollerShelfD), h = RollerShelfZ, center = true, $fn = 240);
//picture channel
translate([0, (-42.39 / 2) + RollerVoidY, PictureShelfOffsetZ ]) cylinder(r = R(PictureShelfD), h = PictureShelfZ, center = true, $fn = 240);
//gate notches //gate notches
translate([(X / 2) + SidesX, SidesY, 0]) rotate([0, 0, 45]) cube([5, 5, Z + 1], center = true); translate([(X / 2) + SidesX, SidesY, 0]) rotate([0, 0, 45]) cube([5, 5, Z + 1], center = true);
@ -474,7 +481,7 @@ module gate_carrier (pos = [0, 0, 0], rot = [0, 0, 0]) {
translate([(-X / 2) - SidesX, SidesY, 0]) rotate([0, 0, 45]) cube([5, 5, 20 + 1], center = true); translate([(-X / 2) - SidesX, SidesY, 0]) rotate([0, 0, 45]) cube([5, 5, 20 + 1], center = true);
difference () { difference () {
translate([0, 6.7, 0]) cube([X + 1, 10 + 1, 20], center = true); translate([0, 6.7, 0]) cube([X + 1, 10 + 1, 20], center = true);
translate([0, 0, 0.5]) cube([X - 4, 10 + 1, 20], center = true); translate([0, 0, 0]) cube([X - 5, 10 + 1, 16], center = true);
} }
} }
translate([LampRailsSpacingX / 2, -2, LampRailsOffsetZ]) rotate([90, 0, 0]) { translate([LampRailsSpacingX / 2, -2, LampRailsOffsetZ]) rotate([90, 0, 0]) {
@ -1423,7 +1430,7 @@ module debug () {
panel([0, -10, PanelOffsetZ]); panel([0, -10, PanelOffsetZ]);
//color("red") translate([0, -8.5, 10.2]) cube([200, 0.1, 16], center = true);
if (!FrameOnly) { if (!FrameOnly) {
translate([0, RollerY, 18]) rotate([180, 0, 0]) difference () { translate([0, RollerY, 18]) rotate([180, 0, 0]) difference () {
//sprocketed_roller_upright(); //sprocketed_roller_upright();
@ -1553,19 +1560,20 @@ module debug () {
} }
module debug_lamp () { module debug_lamp () {
//color("red") translate([0, -8.5, 10.6]) rotate([0, 90, 90]) 16mm_film(40, true, true);
color("red") lamp_bolts_voids([0, LampY + 5, (LampBoltH/2) - 1.5 - 2.5]); color("red") lamp_bolts_voids([0, LampY + 5, (LampBoltH/2) - 1.5 - 2.5]);
//color("red") lamp_rails_voids([0, 20, 11 + LampRailsOffsetZ], [90, 0, 0], h = 50); //color("red") lamp_rails_voids([0, 20, 11 + LampRailsOffsetZ], [90, 0, 0], h = 50);
panel([0, -10, -1.5]); panel([0, -10, -1.5]);
// //
lamp_single([0, 10, 2]); lamp_single([0, 10, 2]);
translate([0, -30, 4]) rotate([0, 0, 10]) sprocketed_roller_invert_solid(); translate([0, -30, 3.5]) rotate([0, 0, 10]) sprocketed_roller_invert_solid();
lamp_LEDs([0, 19, 11]); lamp_LEDs([0, 19, 11]);
filter_carrier([0, 9, 11]); filter_carrier([0, 9, 11]);
picture_gate([0, -6.2, 11], Type = "full"); //standard picture_gate([0, -6.2, 11], Type = "standard"); //standard
gate_carrier([0, -2.5, 11]); gate_carrier([0, -2.5, 11]);
} }
PART = "lamp_single"; PART = "gate_carrier";
LIBRARY = true; LIBRARY = true;
if (PART == "panel") { if (PART == "panel") {
@ -1641,6 +1649,6 @@ if (PART == "panel") {
} else if(PART=="blank") { } else if(PART=="blank") {
// //
} else { } else {
//debug(); debug();
debug_lamp(); //debug_lamp();
} }

77
scad/filmless.scad Normal file
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@ -0,0 +1,77 @@
//OpenSCAD representation of small gauge film formats
//Website: https://git.sixteenmillimeter.com/16mm/filmless.git
module rounded_cube (cube_arr = [1, 1, 1], d = 0, center = false) {
off_x = 0;
off_y = 0;
r = d/2;
union () {
cube([cube_arr[0] - d, cube_arr[1], cube_arr[2]], center = center);
cube([cube_arr[0], cube_arr[1] - d, cube_arr[2]], center = center);
translate ([1 * (cube_arr[0] / 2) - r , 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
translate ([-1 * (cube_arr[0] / 2) + r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
translate ([1 * (cube_arr[0] / 2) - r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
translate ([-1 * (cube_arr[0] / 2) + r, 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
}
}
module 16mm_perf () {
$fn = 10;
PERF_W = 1.829;
PERF_H = 1.27;
rounded_cube([PERF_W, PERF_H, 2], d = .5, center = true);
}
module 16mm_film (frames = 10, double = false, long = true) {
THICKNESS = 0.0047 * 25.4;
WIDTH = 16;
SPACING_LONG = 7.62; //long pitch (projection)
SPACING_SHORT = 7.605; //short pitch
PERF_OFFSET = (1.829 / 2) + .85;
difference () {
if (long) {
cube([WIDTH, SPACING_LONG * frames, THICKNESS], center = true);
} else {
cube([WIDTH, SPACING_SHORT * frames, THICKNESS], center = true);
}
if (long) {
OFFSET = (SPACING_LONG * frames) / 2;
for (i = [0 : frames]) {
translate([8 - PERF_OFFSET, -OFFSET + SPACING_LONG * i, 0]) 16mm_perf();
}
if (double) {
for (i = [0 : frames]) {
translate([-8 + PERF_OFFSET, -OFFSET + SPACING_LONG * i, 0]) 16mm_perf();
}
}
} else {
OFFSET = (SPACING_SHORT * frames) / 2;
for (i = [0 : frames]) {
translate([8 - PERF_OFFSET, -OFFSET + SPACING_LONG * i, 0]) 16mm_perf();
}
if (double) {
for (i = [0 : frames]) {
translate([-8 + PERF_OFFSET, -OFFSET + SPACING_LONG * i, 0]) 16mm_perf();
}
}
}
}
}
module film_sheet () {
STRIPS = 12;
FRAMES = 33;
PERFS = "single";
PITCH = "long";
projection() for (i = [0:STRIPS - 1]) {
translate([16.01 * i, 0, 0]) {
16mm_film(FRAMES, PERFS == "double", PITCH == "long");
}
}
echo("STRIP LENGTH", (PITCH == "long" ? 7.62 : 7.605) * FRAMES, "mm");
echo("PAGE WIDTH", 16 * STRIPS, "mm");
echo("PITCH", PITCH);
echo("PERFS", PERFS);
}
//film_sheet();