X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=trackpump-mutlihead-clip.scad;h=c5108fd39cb5fc88e0f7fc1d64fed5f4a69fa375;hp=265f2ba54473acb22e2273cfe5caeb1aec6cf1a9;hb=4f66d0f9315a053ba0a36b21c1e9f04a9f0c4e7a;hpb=1c70ad66addcd93770fcb692f208216e66d5ddde diff --git a/trackpump-mutlihead-clip.scad b/trackpump-mutlihead-clip.scad index 265f2ba..c5108fd 100644 --- a/trackpump-mutlihead-clip.scad +++ b/trackpump-mutlihead-clip.scad @@ -1,10 +1,12 @@ // -*- C -*- +include + pump_main_dia = 38; pump_side_width = 5; -pump_side_thick = 5; +pump_side_thick = 4; pump_shaft_dia = 14; -baseplate = 4; +baseplate = 3; pump_protr_flat = 3; pump_protr_slope = 0.9; @@ -14,9 +16,8 @@ hose_aperture = 11; hose_side_width = 5; hose_base_offset = 30; -hose_head_dia = 28; -hose_side_thick = 5; -hose_head_width = 22; +hose_side_thick = 6; +hose_side_stalk_width = 6; pump_protr_protr = 3; pump_side_height = 20; @@ -26,18 +27,25 @@ pump_protr_slheight = pump_protr_protr / pump_protr_slope; pump_side_outer_rad = pump_side_width + pump_main_dia/2; +baseplate_width_rad = + sqrt( pow(pump_side_outer_rad, 2) + -pow( pump_main_dia/2 - pump_protr_protr, 2) ); + +xm = baseplate + pump_main_dia/2; + +pump_side_total_height = + pump_side_thick + pump_side_height + pump_protr_slheight + pump_protr_flat; + $fa=5; module PumpSidePlan() { - xm = baseplate + pump_main_dia/2; or = pump_side_outer_rad; difference(){ union(){ intersection(){ translate([-xm, 0]) circle(r=or); - translate([-(xm+or), -or]) square([xm+or, or*2]); +// translate([-(xm+or), -or]) square([xm+or, or*2]); } - translate([-xm, -or]) square([xm, or*2]); } translate([-xm-or, 0]) square(center=true, [pump_side_width*4, pump_shaft_dia]); @@ -50,6 +58,7 @@ module PumpSideElevation(){ x1 = x2 - pump_main_dia; x0 = x1 - pump_side_width; x2a = x2 - pump_protr_protr; + x4 = x2 + pump_side_width; z0 = 0; z1 = z0 - pump_side_thick; @@ -67,66 +76,68 @@ module PumpSideElevation(){ translate([x1,z2]) scale([1,arcy/arcx]) circle(r=arcx); } - translate([x2,z2a]) square([x3-x2, z0-z2a]); + translate([x2,z2a]) square([x4-x2, z0-z2a]); hull(){ - translate([x2,z2a]) square([x3-x2, z2-z2a]); + translate([x2,z2a]) square([x4-x2, z2-z2a]); translate([x2a,z2b]) square([x3-x2a, z2a-z2b]); } } module PumpSide(){ + br = baseplate_width_rad; + brs = hose_side_stalk_width/2; + echo(brs); + difference(){ intersection(){ translate([0,100,0]) rotate([90,0,0]) - linear_extrude(height=200) - PumpSideElevation(); - translate([0,0,-100]) - linear_extrude(height=200) - PumpSidePlan(); + linear_extrude(height=200, convexity=10) + PumpSideElevation(); + union(){ + translate([0,0,-100]) + linear_extrude(height=200, convexity=10) + PumpSidePlan(); + // baseplate + hull(){ + mirror([0,0,1]) + translate([-xm, -brs, 0]) + cube([pump_main_dia/2 + pump_side_width, + brs*2, + 1]); + translate([-xm, -br, -pump_side_total_height]) + cube([xm, + br*2, + pump_protr_flat]); + } + } } translate([-(baseplate + pump_main_dia/2), 0, -(pump_side_thick + pump_side_height)]) cylinder(r=pump_main_dia/2, h=200); } -} - -module HoseSideElevation(){ - or = hose_head_dia/2 + hose_side_thick; - - x3 = 0; - x4 = x3 + hose_base_offset; - x5 = x4 + hose_head_dia/2; - x6 = x4 + hose_head_dia; - x7 = x5 + or; - - z0 = 0; - zm = -or; - - difference(){ - intersection(){ - translate([-100,-100]) square([x7+210, 100]); - hull(){ - translate([x5, 0]) circle(r=or); - translate([-1, zm]) square([1,z0-zm]); - } - } - translate([x5,0]) circle(r=hose_head_dia/2); - } + rotate([0,0,180]) + mirror([0,0,1]) + translate([-0, + -br, + pump_side_total_height]) + Commitid_BestCount_M([baseplate + pump_protr_protr, + br*2]); } module HoseSidePlan(){ ro = hose_inner_dia/2 + hose_side_width; ri = (hose_inner_dia/2); + st = hose_side_stalk_width/2; apx = sqrt( ri*ri - (hose_aperture*hose_aperture)/4 ); - apsq = hose_base_offset + apx - hose_aperture/sqrt(2); - echo(apsq); + apsq = hose_base_offset + apx - hose_aperture/2; + echo(apx,apsq); difference(){ - hull(){ - translate([-1, -ro]) square([1, ro*2]); + union(){ + translate([-1, -st]) square([hose_base_offset+1, st*2]); translate([hose_base_offset, 0]) circle(r= ro); } translate([hose_base_offset, 0]) circle(r= hose_inner_dia/2); @@ -135,17 +146,14 @@ module HoseSidePlan(){ square([50,50]); } - %square(center=true, [100, hose_aperture]); + //%translate([hose_base_offset + apx, 0]) square([50,50]); + //%square(center=true, [100, hose_aperture]); } module HoseSide(){ - for (m=[0,1]) { - mirror([0,m,0]) - translate([0, hose_head_width, 0]) - rotate([90,0,0]) - linear_extrude(height= hose_side_width) - HoseSideElevation(); - } + mirror([0,0,1]) + linear_extrude(height=hose_side_thick, convexity=10) + HoseSidePlan(); } module Clip(){ @@ -160,8 +168,7 @@ module ClipPrint(){ //PumpSidePlan(); //PumpSideElevation(); -linear_extrude(height=1) HoseSidePlan(); //PumpSide(); //HoseSide(); //Clip(); -//ClipPrint(); +ClipPrint();