vitalif
/
3dprint
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix clutch gear

master
Vitaliy Filippov 2014-03-26 19:56:11 +00:00
parent 36aa3849bc
commit 4735bbc937
1 changed files with 14 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
gear-v3.scad
View File

@ -80,8 +80,9 @@
// Standard 16t gear: root_radius=6.8 outer_radius=7.9 (mm_per_tooth =~ 3.05 by root) // Standard 16t gear: root_radius=6.8 outer_radius=7.9 (mm_per_tooth =~ 3.05 by root)
// Standard 8t gear: root_radius=2.8 outer_radius=4.9 (mm_per_tooth =~ 3.05 by root) // Standard 8t gear: root_radius=2.8 outer_radius=4.9 (mm_per_tooth =~ 3.05 by root)
// Gear radius: // Formulas for gear radiuses:
//outer_radius = mm_per_tooth*(n_teeth/2+1)/3.1415926; //outer_radius = mm_per_tooth*(n_teeth/2+1)/3.1415926 - clearance;
//root_radius = mm_per_tooth*(n_teeth/2-1)/3.1415926;
//------------------------------------------- //-------------------------------------------
// Overview of this file // Overview of this file
@ -106,16 +107,15 @@ translate([0, 0, 16])
/* Planetary ring gear with both inner and outer 40 teeth */ /* Planetary ring gear with both inner and outer 40 teeth */
planetary_ring_gear(plane_height=1); //planetary_ring_gear(plane_height=1);
/* 40-teeth planetary ring gear with clutch */ /* 40-teeth planetary ring gear with clutch */
//planetary_ring_gear_with_clutch(); //planetary_ring_gear_with_clutch();
/* Standard-16-teeth-like clutch gear */ /* Solid clutch gear, like standard 16-teeth */
//clutchTeeth(); // has surface problem clutchGear(32);
//clutchGear(32);
/* Gear with clutch fully offset to one side */ /* Gear with clutch fully offset to one side */
@ -559,12 +559,12 @@ module clutchGear(number_of_teeth) {
difference() { difference() {
union() { union() {
gear(thickness=3.7, mm_per_tooth=3.05, number_of_teeth=number_of_teeth, clearance = -0.1); gear(thickness=3.7, mm_per_tooth=3.05, number_of_teeth=number_of_teeth, clearance = -0.1);
translate([0, 0, 1]) cylinder($fn=100, h=5.8-1, r=6.8); translate([0, 0, 1]) cylinder($fn=number_of_teeth*2, h=5.8-1, r=6.8);
translate([0, 0, -2]) cylinder($fn=number_of_teeth*2, h=2+1, r=3.7); translate([0, 0, -2]) cylinder($fn=number_of_teeth*2, h=2+1, r=3.7);
} }
difference() { difference() {
translate([0, 0, 1.8]) cylinder($fn=number_of_teeth*2, h=4.1, r=5.8); translate([0, 0, 1.8]) cylinder($fn=number_of_teeth*2, h=4.1, r=5.8);
translate([0, 0, 1.8]) cylinder($fn=number_of_teeth*2, h=4.1, r=3.3); translate([0, 0, 1.7]) cylinder($fn=number_of_teeth*2, h=4.1+0.2, r=3.3);
} }
translate([0, 0, -3]) cylinder($fn=number_of_teeth*2, h=10, r=2.5); translate([0, 0, -3]) cylinder($fn=number_of_teeth*2, h=10, r=2.5);
translate([0, 0, -2.2]) cylinder($fn=number_of_teeth*2, h=1, r=3.1); translate([0, 0, -2.2]) cylinder($fn=number_of_teeth*2, h=1, r=3.1);
@ -578,34 +578,15 @@ module clutchGear(number_of_teeth) {
// Clutch: 0.7 from the top, 1.5 width, 1 thickness // Clutch: 0.7 from the top, 1.5 width, 1 thickness
module clutchTeeth() { module clutchTeeth() {
polyhedron( translate([5.8+0.1, 0, 1.8-0.1])
points=[
[5.8, -0.8, 1.8], // 5.8+0.1, 1.8-0.1, чтобы утопить
[5.8, 0.8, 1.8],
[4.8, -0.8, 1.8],
[4.8, 0.8, 1.8],
[5.8, 0, 5],
[4.8, 0, 5],
],
faces=[
[0, 1, 2],
[2, 1, 3],
[0, 4, 1],
[0, 2, 4],
[4, 2, 5],
[3, 1, 4],
[4, 5, 3],
[2, 3, 5],
]
);
/* translate([5.8, 0, 1.8])
rotate([0, -90, 0]) rotate([0, -90, 0])
linear_extrude(height = 1, center = false) linear_extrude(height = 1+0.1, center = false)
polygon([ polygon([
[0, -0.8], // 5.8+0.1, 1.8-0.1, чтобы утопить [0, -0.8],
[0, 0.8], [0, 0.8],
[3.2, 0], [3.2+0.1, 0.1],
]);*/ [3.2+0.1, -0.1],
]);
} }
module myGear(n_teeth) { module myGear(n_teeth) {