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=2ae634d63b8eba85974fd1c765cc309ee285303e;hb=4f66d0f9315a053ba0a36b21c1e9f04a9f0c4e7a;hpb=aa82218852b7888008dc25b29125aa08d92a2033 diff --git a/trackpump-mutlihead-clip.scad b/trackpump-mutlihead-clip.scad index 2ae634d..c5108fd 100644 --- a/trackpump-mutlihead-clip.scad +++ b/trackpump-mutlihead-clip.scad @@ -1,15 +1,24 @@ // -*- 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 = 1.0; +pump_protr_slope = 0.9; + +hose_inner_dia = 20; +hose_aperture = 11; +hose_side_width = 5; +hose_base_offset = 30; + +hose_side_thick = 6; +hose_side_stalk_width = 6; -// need reconfirm: pump_protr_protr = 3; pump_side_height = 20; @@ -18,18 +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]); @@ -42,6 +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; @@ -59,31 +76,99 @@ 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); } + 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/2; + echo(apx,apsq); + + difference(){ + 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); + translate([apsq, 0]) + rotate(-45) + square([50,50]); + } + + //%translate([hose_base_offset + apx, 0]) square([50,50]); + //%square(center=true, [100, hose_aperture]); +} + +module HoseSide(){ + mirror([0,0,1]) + linear_extrude(height=hose_side_thick, convexity=10) + HoseSidePlan(); +} + +module Clip(){ + PumpSide(); + HoseSide(); +} + +module ClipPrint(){ + rotate([180,0,0]) + Clip(); } //PumpSidePlan(); //PumpSideElevation(); -PumpSide(); +//PumpSide(); +//HoseSide(); +//Clip(); +ClipPrint();