X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=filamentspool.scad;h=89f3cfb3a0ac97e069efddde6a57a01fd7fb87d7;hp=fe85c8f6fd7cae4f037a6842c77948bae73782a4;hb=9b824b304dfc50b89172ec9dbf53b0076e526097;hpb=7eedab3e04eae517f990017b5af5a3cd2afcf6dd diff --git a/filamentspool.scad b/filamentspool.scad index fe85c8f..89f3cfb 100644 --- a/filamentspool.scad +++ b/filamentspool.scad @@ -5,7 +5,7 @@ fdia=1.75; slop=0.5; bigslop=slop*2; -exteffrad = 85; +exteffrad = 70; hubeffrad = 30; hubbigrad = 20; hublwidth = 3; @@ -57,6 +57,9 @@ towercliph = 16; towerclipcount = 3; towerpillarw = 5; +axlepinrad = 2; +axlepintabrad = 5; + washerthick = 1.2; washerrad = hubaxlerad + 7.5; @@ -65,7 +68,6 @@ ratchetpawl=ratchetstep-ratchettooth-bigslop*2; include include include -include channelwidth = prongthick + slop; channeldepth = prongwidth + ratchettoothheight; @@ -239,8 +241,17 @@ module ArmExtender(){ ////toplevel hb=doveclipheight); } -module AxleSplitPin(){ ////toplevel - SplitPin(); +module AxlePin(){ ////toplevel + pinr = axlepinrad - slop; + intersection(){ + translate([0, 0, pinr*0.7]) { + translate([0, -washerrad, 0]) rotate([-90,0,0]) + cylinder(r=pinr, h=washerrad*2, $fn=10); + translate([-axlepintabrad, hubaxlerad, -axlepinrad]) + cube([axlepintabrad*2, axlepinrad*2, axlepinrad*2]); + } + translate([-50,-50,0]) cube([100,100,50]); + } } module Axle(){ ////toplevel @@ -257,34 +268,34 @@ if(0) pillarw=towerpillarw); } - axleclearlen = hubaxlelen + slop*2 + washerthick; - axlerad = hubaxlerad+slop; + axleclearlen = hubaxlelen + slop*3 + washerthick*2; + axlerad = hubaxlerad-slop; bump = axlerad * 0.2; shift = axlerad-bump; joinbelowallow = 3; intersection(){ - difference() { - translate([0, 0, shift]) - union(){ - translate([-1, 0, 0]) - rotate([0,90,0]) - cylinder(r = axlerad, h = 1 + axleclearlen + 6); - mirror([1,0,0]) rotate([0,90,0]) - cylinder(r = washerrad, h = 3); -if(0) - intersection(){ + translate([0, 0, shift]) { + difference() { + union(){ + translate([-1, 0, 0]) + rotate([0,90,0]) + cylinder(r = axlerad, h = 1 + axleclearlen + 3 + 2); mirror([1,0,0]) rotate([0,90,0]) - cylinder(r = towercliph - shift, - h = pillarswidth/2 + axlehorizoffset); - translate([-50, -joinbelowallow, -50]) - cube([100, joinbelowallow+50, 100]); + cylinder(r = washerrad, h = 3); +if(0) + intersection(){ + mirror([1,0,0]) rotate([0,90,0]) + cylinder(r = towercliph - shift, + h = pillarswidth/2 + axlehorizoffset); + translate([-50, -joinbelowallow, -50]) + cube([100, joinbelowallow+50, 100]); + } } + rotate([90,0,0]) + translate([axleclearlen + axlepinrad/2, 0, -25]) + cylinder(r=axlepinrad, h=50); } - translate([axleclearlen, 0, 0]) - mirror([0,0,1]) - rotate([0,0,90]) - SplitPinCavity(); } translate([-50,-50,0]) cube([100,100,100]); } @@ -304,3 +315,4 @@ module AxleWasher(){ ////toplevel //ArmExtender(); //Axle(); //AxleWasher(); +//AxlePin();