// -*- C -*-
fdia=2.85;
+lightduty=false;
slop=0.5;
bigslop=slop*2;
-function selsz(sm,lg) = fdia < 2 ? sm : lg;
-function usedove() = selsz(true,false);
+function selsz(sm,lt,lg) = fdia < 2 ? sm : lightduty ? lt : lg;
+function usedove() = selsz(true,true,false);
-num_arms = selsz(3,4);
+num_arms = selsz(3,3,4);
+
+channelslop=selsz(slop,0.75,slop);
exteffrad = 70;
-hubeffrad = selsz(30, 50);
-hubbigrad = selsz(20, 45);
-hublwidth = selsz(3, 5);
+hubeffrad = selsz(30, 82, 40);
+hubbigrad = selsz(20, 38, 38);
+hublwidth = selsz(3, 2.5, 4);
hubstemwidth = 2;
hublthick = 10;
-hubaxlerad = selsz(5, 17/2);
+hubaxlerad = selsz(5, 28/2, 28/2);
totalheightfromtower = 240;
axletowerfudgebend = 0;
axleaxlefudgebend = 3;
armend_length = 120;
-prongthick=selsz(5,5);
-prongwidth=selsz(5,5);
+prongthick=selsz(5,4,5);
+prongwidth=selsz(5,4,5);
prongribwidth=3;
-prongribheight=selsz(0,4);
+prongribheight=selsz(0,0,4);
ratchetstep=15;
ratchettooth=3;
ratchettoothheight=5;
ratchettoothsmoothr=1;
ratchettoothslope=0.75;
overlap=0.5;
-cupwidth=selsz(40,50);
-cupheight=selsz(55,55);
+cupwidth=selsz(40,25,50);
+cupheight=selsz(55,25,55);
-cupstrong_dx=selsz(0,-10);
+cupstrong_dx=selsz(0,0,-10);
-propxshift = 0;
+propxshift = -6;
doveclipheight = 10;
prongstalkxwidth=3;
-stalklength=selsz(35,55);
+stalklength=selsz(35,25,55);
overclipcupgap=5;
overclipdepth=15;
overcliproundr=2.0;
overclipthick=1.0;
-overclipcupnextgap=20;
+overclipcupnextgap=selsz(20,15,20);
-hubaxlelen = selsz(25, cupwidth*.75 + 20);
+hubaxlelen = selsz(25, 62.5, 77.5);
echo(hubaxlelen);
overclipsmaller=-2.5;
overclipbigger=0.0;
-wingspoke=3;
+wingspoke=2.5;
wingsize=6;
wingthick=3;
-armendwallthick=2.5;
-armendbasethick=1.2;
+armendwallthick=selsz(2.5, 1.8, 2.5);
+armendbasethick=selsz(1.2, 1.2, 1.2);
axlehorizoffset = 12.5;
axlevertheight = 100;
ratchetpawl=ratchetstep-ratchettooth-bigslop*2;
nondove_armhole_x = 32;
-nondove_armhole_hole = 4;
+nondove_armhole_hole = 4 + 0.8;
nondove_armhole_support = 7;
-nondove_armhole_wall = 4;
+nondove_armhole_wall = 3.2;
nondove_armhole_slop = 0.5;
nondove_armhole_slop_x = 0.5;
include <filamentteeth.scad>
include <axlepin.scad>
-channelwidth = prongthick + slop;
+channelwidth = prongthick + channelslop;
channeldepth = prongwidth + ratchettoothheight;
totalwidth = armendwallthick*2 + channelwidth;
totalheight = channeldepth + armendbasethick;
cylinder(h=hubaxlelen, r=axlerad+hublwidth);
for (ang=[0 : 360/num_arms : 359])
rotate([0,0,ang]) {
- difference() {
- if (usedove()){
+ if (usedove()){
+ difference() {
translate([hubeffrad,0,0])
DoveClipPairSane(h=doveclipheight,
baseextend = (hubeffrad - DoveClip_depth()
translate([hubbigrad + hublwidth, -holewidth/2, -1])
cube([hole, holewidth, hublthick+2]);
}
- } else {
- difference(){
- translate([0,
- -nondove_allwidth/2,
- 0])
- cube([hubeffrad + nondove_armhole_x
- + nondove_armhole_hole/2 + nondove_armhole_support,
- nondove_allwidth,
- nondove_armhole_wall + totalheight]);
- translate([hubeffrad - nondove_armhole_slop_x,
- -nondove_allwidth/2
- + nondove_armhole_wall - nondove_armhole_slop,
- nondove_armhole_wall])
- cube([nondove_armhole_x + 50,
- totalwidth + nondove_armhole_slop*2,
- totalheight + 1]);
- translate([hubeffrad + nondove_armhole_x, 0, -20])
- cylinder(r= nondove_armhole_hole/2, h=50, $fn=10);
- }
+ }
+ } else {
+ difference(){
+ translate([0,
+ -nondove_allwidth/2,
+ 0])
+ cube([hubeffrad + nondove_armhole_x
+ + nondove_armhole_hole/2 + nondove_armhole_support,
+ nondove_allwidth,
+ nondove_armhole_wall + totalheight]);
+ translate([hubeffrad - nondove_armhole_slop_x,
+ -nondove_allwidth/2
+ + nondove_armhole_wall - nondove_armhole_slop,
+ nondove_armhole_wall])
+ cube([nondove_armhole_x + 50,
+ totalwidth + nondove_armhole_slop*2,
+ totalheight + 1]);
+ translate([hubeffrad + nondove_armhole_x, 0, -20])
+ cylinder(r= nondove_armhole_hole/2, h=50, $fn=10);
}
}
}
rotate([0,0,180]) FilamentCup();
}
+//----- storarm -----
+
+storarm_hooklen = 8;
+storarm_hookheight = 5;
+storarm_thick = 10;
+storarm_axleslop = 4;
+
+// calculated
+
+storarm_axlerad = hubaxlerad - storarm_axleslop;
+storarm_mainlen = hubaxlelen;
+storarm_totlen = storarm_mainlen + storarm_hooklen;
+
+module StorageArmDiagPartSide(xmin, xmax){
+ xsz = xmax-xmin;
+ yuse = storarm_thick/2;
+
+ intersection(){
+ translate([xmin-1, -storarm_axlerad, storarm_thick/2])
+ rotate([0,90,0])
+ cylinder(r=storarm_axlerad, h=xsz+2, $fn=60);
+ translate([xmin, -yuse, 0])
+ cube([xsz, yuse, storarm_thick]);
+ }
+}
+
+module StorageArmDiagPart(xmin, xmax, shear, adjbot){
+ hull(){
+ StorageArmDiagPartSide(xmin,xmax);
+
+ multmatrix([[1,0,0,0],
+ [shear,1,0,0],
+ [0,0,1,0],
+ [0,0,0,1]])
+ translate([0, -storarm_axlerad*2 + adjbot, 0])
+ mirror([0,1,0])
+ StorageArmDiagPartSide(xmin,xmax);
+ }
+}
+
+module StorageArm(){ ////toplevel
+ shear = storarm_hookheight / (storarm_mainlen/2);
+
+ StorageArmDiagPart(-1, storarm_mainlen/2+1, shear, 0);
+ StorageArmDiagPart(storarm_mainlen/2-1, storarm_mainlen+1, shear/2,
+ storarm_hookheight/2);
+
+ translate([0, storarm_hookheight, 0])
+ StorageArmDiagPart(storarm_mainlen, storarm_totlen,
+ shear/2, -storarm_hookheight/2);
+}
+
+
+module Demo(){
+ translate([-hubeffrad-30,50,0]) Hub();
+ ArmEnd();
+ translate([0,50,0]) FilamentCup();
+}
+
//ArmEnd();
//FilamentCup();
//FilamentCupPair();
//AxleWasher();
//AxlePin();
//AxleFrictionWasher();
+StorageArm();
+//Demo();
~ianmdlvl / reprap-play.git / blobdiff