X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=filamentspool.scad;h=7c1023e4e6a99bbea69bfc215f6cbc9417e202e0;hp=e5e7af4b27a006adb932802601a9be831877d9a1;hb=a81175f044b955785e8dce6a19e9b8bac07bbf03;hpb=fee9dead10bbd2a0b543ca97176280a4573a0fbc diff --git a/filamentspool.scad b/filamentspool.scad index e5e7af4..7c1023e 100644 --- a/filamentspool.scad +++ b/filamentspool.scad @@ -46,6 +46,8 @@ // // You will also need 4 x M4 machine screws and nuts. // +// This is the default. +// // ===== Light duty 3-armed spool for 3mm x <=30m coil ===== // // A light duty 3-armed spool suitable for up to around 30m @@ -54,6 +56,8 @@ // Set // fdia=2.85 // lightduty=true +// (or look in filamentspool-lt.scad). +// // And print following parts // Hub // ArmEnd x 3 @@ -126,7 +130,18 @@ // NB that the `light duty' version of this is shorter and // will only take two `light duty' spools. // -// For the above, I used the Cura `High detail' PLA profile because +// A longer arm for three spools is also available: +// Set +// fdia=2.85 +// lightduty=false +// storarm_spools=3 +// (or look in filamentspool-storarm3.scad). +// +// And print one of these, according to taste +// StorageArmLeft +// StorageArmRight +// +// For all of these, I used the Cura `High detail' PLA profile because // I wanted it pretty, but the `Standard' profile should do fine. // // ===== Spools for 1.75mm filament ===== @@ -152,7 +167,7 @@ channelslop=selsz(slop,0.75,slop); exteffrad = 70; hubeffrad = selsz(30, 82, 40); hubbigrad = selsz(20, 38, 38); -hublwidth = selsz(3, 2.5, 4); +hublwidth = selsz(3, 2.5, 3.0); hubstemwidth = 2; hublthick = 10; hubaxlerad = selsz(5, 28/2, 28/2); @@ -174,7 +189,7 @@ ratchettoothsmoothr=1; ratchettoothslope=0.75; overlap=0.5; cupwidth=selsz(40,25,50); -cupheight=selsz(55,25,55); +cupheight=selsz(75,35,75); cupstrong_dx=selsz(0,0,-10); @@ -207,6 +222,12 @@ wingthick=3; armendwallthick=selsz(2.5, 1.8, 2.5); armendbasethick=selsz(1.2, 1.2, 1.2); +numbers_relief = 0.7; +numbers_tick_len = 8; +numbers_tick_width = 0.75; +numbers_tick_linespc = 1.0; +numbers_height_allow = 8; + axlehorizoffset = 12.5; axlevertheight = 100; towercliph = 16; @@ -236,14 +257,18 @@ nondove_armbase = nondove_armhole_x + nondove_armhole_hole/2 + nondove_armhole_support; echo(nondove_armbase); -real_exteffrad = selsz(exteffrad, - hubeffrad + nondove_armbase, - hubeffrad + nondove_armbase); - include include include include +include + +hub_clip_baseextend = (hubeffrad - DoveClip_depth() + - hubbigrad + hublwidth); + +real_exteffrad = selsz(exteffrad + hub_clip_baseextend, + hubeffrad + DoveClip_depth(), + hubeffrad + nondove_armbase); channelwidth = prongthick + channelslop; channeldepth = prongwidth + ratchettoothheight; @@ -251,6 +276,8 @@ totalwidth = armendwallthick*2 + channelwidth; totalheight = channeldepth + armendbasethick; stalkwidth = prongwidth + prongstalkxwidth; +tau = PI*2; + module ArmEnd(length=armend_length){ ////toplevel if (usedove()) { translate([ratchettoothsmoothr, channelwidth/2, -armendbasethick]) { @@ -266,27 +293,68 @@ module ArmEnd(length=armend_length){ ////toplevel -armendwallthick + totalwidth/2, -armendbasethick -1]) cylinder(r= nondove_armhole_hole/2, h=totalheight+2, $fn=10); + translate([-nondove_armbase, -armendwallthick, -armendbasethick]) + rotate([90,0,0]) + Commitid_BestCount([nondove_armbase, totalwidth]); } } difference(){ - translate([0, -armendwallthick, -armendbasethick]) - cube([length, totalwidth, totalheight]); - translate([-1, 0, 0]) - cube([length+1 - ratchettooth, channelwidth, channeldepth+1]); - translate([-1, 0, ratchettoothheight]) - cube([length+2, channelwidth, channeldepth+1]); - } - for (dx = [0 : ratchetstep : length - ratchetstep]) translate([dx,0,0]) { - translate([ratchettoothsmoothr+0.5, armendwallthick/2, 0]) minkowski(){ - rotate([90,0,0]) - cylinder($fn=20, r=ratchettoothsmoothr, h=armendwallthick); - multmatrix([ [ 1, 0, ratchettoothslope, 0 ], - [ 0, 1, 0, 0 ], - [ 0, 0, 1, 0 ], - [ 0, 0, 0, 1 ]]) - cube([ratchettooth - ratchettoothsmoothr*2, - channelwidth, ratchettoothheight - ratchettoothsmoothr]); + union(){ + difference(){ + translate([0, -armendwallthick, -armendbasethick]) + cube([length, totalwidth, totalheight]); + translate([-1, 0, 0]) + cube([length+1 - ratchettooth, channelwidth, channeldepth+1]); + translate([-1, 0, ratchettoothheight]) + cube([length+2, channelwidth, channeldepth+1]); + } + for (dx = [0 : ratchetstep : length - ratchetstep]) translate([dx,0,0]) { + translate([ratchettoothsmoothr+0.5, armendwallthick/2, 0]) minkowski(){ + rotate([90,0,0]) + cylinder($fn=20, r=ratchettoothsmoothr, h=armendwallthick); + multmatrix([ [ 1, 0, ratchettoothslope, 0 ], + [ 0, 1, 0, 0 ], + [ 0, 0, 1, 0 ], + [ 0, 0, 0, 1 ]]) + cube([ratchettooth - ratchettoothsmoothr*2, + channelwidth, ratchettoothheight - ratchettoothsmoothr]); + } + } + } + + for (otherside=[0,1]) { + for (circum = [300:100:1500]) { + assign(rad = circum / tau) + assign(fn = str("filamentspool-number-n",circum,".dxf")) + assign(rotateoffset = [0, totalwidth/2, 0]) + assign(xlen = rad - real_exteffrad) { + if (xlen >= numbers_tick_width/2 + + (otherside ? numbers_height_allow : 0) && + xlen <= length - (otherside ? 0 : numbers_height_allow)) + translate([xlen, -armendwallthick, + -armendbasethick + (totalheight - numbers_tick_len)/2]) + translate(rotateoffset) + rotate([0,0, otherside*180]) + translate(-rotateoffset){ + translate([-numbers_tick_width/2, -1, 0]) + cube([numbers_tick_width, numbers_relief+1, numbers_tick_len]); + translate([numbers_tick_width/2 + numbers_tick_linespc, + 1, + numbers_tick_len]) + rotate([90,0,0]) + rotate([0,0,-90]) + linear_extrude(height= numbers_relief+1) + // scale(templatescale) + import(file=fn, convexity=100); + } + } + } + } + + if (usedove()){ + translate([0, -armendwallthick, -armendbasethick]) + Commitid_BestCount_M([length/3, totalwidth]); } } } @@ -319,7 +387,7 @@ module FilamentCupCup(){ } } -module FilamentCup() { ////toplevel +module FilamentCupPositive() { FilamentCupHandle(); gapy = prongwidth; @@ -374,6 +442,14 @@ module FilamentCup() { ////toplevel } } +module FilamentCup() { ////toplevel + difference(){ + FilamentCupPositive(); + translate([0, -stalkwidth, 0]) + Commitid_BestCount_M([stalklength - stalkwidth, stalkwidth]); + } +} + module CupSecuringClipSolid(w,d,h1,h2){ rotate([0,-90,0]) translate([0,-h1/2,-w/2]) linear_extrude(height=w) { polygon(points=[[0,0], [d,0], [d,h2], [0,h1]]); @@ -435,8 +511,7 @@ module Hub(){ ////toplevel difference() { translate([hubeffrad,0,0]) DoveClipPairSane(h=doveclipheight, - baseextend = (hubeffrad - DoveClip_depth() - - hubbigrad + hublwidth)); + baseextend = hub_clip_baseextend); if (hole>hublwidth && holewidth > 2) { translate([hubbigrad + hublwidth, -holewidth/2, -1]) cube([hole, holewidth, hublthick+2]); @@ -472,6 +547,16 @@ module Hub(){ ////toplevel } } translate([0,0,-1]) cylinder($fn=60, h=hubaxlelen+2, r=axlerad); + + rotate([0,0, selsz(0,0,45)]) + translate([axlerad+hublwidth, + -hublwidth/2, + 0]) + rotate([90,0,0]) + Commitid_BestCount([(hubbigrad-hublwidth) - (axlerad+hublwidth), + hublthick + + hublwidth/2 * hubaxlelen/(hubbigrad-axlerad), + ]); } } @@ -615,11 +700,16 @@ storarm_screw_hole_head_slop = 1.5; // calculated +storarm_spools = 2; + storarm_axlerad = hubaxlerad - storarm_axleslop; -storarm_mainlen = hubaxlelen*2 + storarm_axleslop +storarm_mainlen = hubaxlelen*storarm_spools + + storarm_axleslop*(storarm_spools-1) + (storarm_cope_hubaxle_mk1 ? 10 : 0); storarm_totlen = storarm_mainlen + storarm_hooklen; +storarm_taller = storarm_axleslop * (storarm_spools-2); + storarm_mid_off_y = storarm_axlerad; storarm_base_off_y = storarm_mid_off_y + storarm_base_h/2; @@ -637,7 +727,7 @@ module StorageArmDiagPartSide(xmin, xmax){ } } -module StorageArmDiagPart(xmin, xmax, shear, adjbot){ +module StorageArmDiagPart(xmin, xmax, adjbot, shear){ hull(){ StorageArmDiagPartSide(xmin,xmax); @@ -675,23 +765,26 @@ module StorageArmAtMountingHoles(){ module StorageArmRight(){ ////toplevel shear = storarm_hookheight / (storarm_mainlen/2); + shear2 = shear + storarm_taller / (storarm_mainlen/2); + base_xyz = [-storarm_base_d, -storarm_base_off_y, storarm_base_w]; - StorageArmDiagPart(-1, storarm_mainlen/2+1, shear, 0); - StorageArmDiagPart(storarm_mainlen/2-1, storarm_mainlen+1, shear/2, - storarm_hookheight/2); + StorageArmDiagPart(-1, storarm_mainlen/2+1, + -storarm_taller, shear2); + StorageArmDiagPart(storarm_mainlen/2-1, storarm_mainlen+1, + storarm_hookheight/2, shear/2); translate([0, storarm_hookheight, 0]) StorageArmDiagPart(storarm_mainlen, storarm_totlen, - shear/2, -storarm_hookheight/2); + -storarm_hookheight/2, shear/2); difference(){ union(){ hull(){ - translate([-storarm_base_d, -storarm_base_off_y, storarm_base_w]) + translate(base_xyz) rotate([0,90,0]) linear_extrude(height=storarm_base_mind) StorageArmBaseTemplate(); - StorageArmDiagPart(-1, 0, shear, 0); + StorageArmDiagPart(-1, 0, -storarm_taller, shear); } StorageArmAtMountingHoles(){ cylinder(r= storarm_screw_hole_head/2, @@ -706,6 +799,9 @@ module StorageArmRight(){ ////toplevel cylinder(r= (storarm_screw_hole_head + storarm_screw_hole_head_slop)/2, h=20); } + translate(base_xyz + [0, storarm_base_h/4, -storarm_base_w/4]) + rotate([0,90,0]) + Commitid_BestCount([storarm_base_w/2, storarm_base_h/2]); } } @@ -905,6 +1001,10 @@ module Demo(){ ////toplevel translate([-real_exteffrad,-20,0]) Hub(); ArmEnd(); translate([ratchettooth*2, 30, 0]) FilamentCup(); + if (selsz(true,false,false)) { + translate([-exteffrad + hubeffrad - hub_clip_baseextend, -10, 0]) + ArmExtender(); + } } //ArmEnd();