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Added support for an alternitive z-carriage
as described in CarlosGS#32 (comment)
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| // This file is part of Cyclone PCB Factory: an open-source 3D printable CNC machine for PCB manufacture | ||
| // http://reprap.org/wiki/Cyclone_PCB_Factory | ||
| // Original author: Carlosgs (http://carlosgs.es) | ||
| // License: CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International, http://creativecommons.org/licenses/by-sa/4.0/) | ||
| // Designed with http://www.openscad.org/ | ||
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| use <libs/linear_bearing.scad> | ||
| use <libs/standard_parts.scad> | ||
| module Cyclone_X_carriage_alt() { | ||
| linearBearingLength = linearBearing_L(X_linearBearingModel); | ||
| linearBearingDiameter = linearBearing_D(X_linearBearingModel); | ||
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| // Correction is needed to account for 3D printer tolerances | ||
| axes_effective_Xsmooth_separation = axes_Xsmooth_separation-axes_Xsmooth_separation_tolerance; | ||
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| sideExtensions = linearBearingDiameter/3+2; | ||
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| ZrodHolderLength = 30; | ||
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| screwSize = X_carriage_screwSize; | ||
| screwLength = linearBearingDiameter+sideExtensions; | ||
| screwAditionalLength = 2; | ||
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| screwExtension = screwSize*1.2; | ||
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| linearBearingLengthExtension = 6+max(axes_Zsmooth_rodD+axes_Zsmooth_separation-2*linearBearingLength-X_linearBearingSeparation, X_linearBearingSeparation); | ||
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| dimX = 2*linearBearingLength+linearBearingLengthExtension; | ||
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| module Cyclone_XsubPart_ZnutHolder(holes=false) { | ||
| rod_nut_len = 0.8*axes_Zthreaded_rodD; | ||
| rodTolerance = X_threaded_rod_Tolerance; | ||
| rodSize = Z_threaded_rodNutSize; // M3, M4, etc (integers only) | ||
| dimZ = 20; // Nut holder thickness | ||
| Z_bearing_width = bearingWidth(608); | ||
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| if(!holes) { | ||
| rotate([0,180,0]) | ||
| hull() { | ||
| cylinder(r=axes_Zthreaded_rodD+1, h=dimZ); | ||
| translate([0,-axes_Zreference_posY-axes_ZthreadedReference_posY+axes_effective_Xsmooth_separation,dimZ/2]) | ||
| cube([dimX,0.1,dimZ], center=true); | ||
| } | ||
| } else { | ||
| // Hole for the main Z nut | ||
| translate([0,0,0.1]) rotate([90,0,0]) hole_for_nut(size=rodSize,nutAddedLen=0,captiveLen=0, tolerance=0.2); | ||
| // Hole for the Z threaded rod | ||
| translate([0,0,-axes_effective_Xsmooth_separation+dimZ]) | ||
| rotate([90,0,0]) standard_rod(diam=axes_Zthreaded_rodD+rodTolerance, length=axes_effective_Xsmooth_separation*2, threaded=true, renderPart=true, center=true); | ||
| translate([0,0,-dimZ-0.01]) rotate([180,0,0]) cylinder(r=axes_Zthreaded_rodD*0.9, h=axes_effective_Xsmooth_separation+dimZ*2, $fn=6); | ||
| } | ||
| } | ||
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| module Cyclone_XsubPart_XnutHolder(holes=false) { | ||
| rod_nut_len = 0.8*axes_Xthreaded_rodD; | ||
| rodSize = X_threaded_rodNutSize; // M3, M4, etc (integers only) | ||
| washer_D = X_backlash_washer_D; | ||
| washer_thickness = X_backlash_washer_thickness; | ||
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| holderExtension = 10; | ||
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| armWidth = axes_Xthreaded_rodD*2+6; | ||
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| if(!holes) { | ||
| // Main shape | ||
| translate([X_backlash_armThickness/2,0,-axes_effective_Xsmooth_separation/2+holderExtension]) | ||
| rotate([0,90,0]) bcube([axes_effective_Xsmooth_separation,armWidth,X_backlash_armThickness], cr=3,cres=10); | ||
| *translate([32/2,0,0]) | ||
| rotate([180,0,0]) rotate([0,0,90]) Cyclone_YsubPart_nutHolder(); | ||
| } else { | ||
| if(draw_references) %frame(); | ||
| translate([-rod_nut_len/2+1,0,0]) rotate([0,0,-90]) rotate([180,0,0]) { | ||
| // Hole for the main nut | ||
| hull() { | ||
| rotate([0,180,0]) hole_for_nut(size=rodSize,nutAddedLen=0,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| translate([0,-3.25,0]) | ||
| rotate([0,180,0]) hole_for_nut(size=rodSize-2,nutAddedLen=0,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| } | ||
| translate([0,3,0]) | ||
| hull() { | ||
| rotate([0,180,0]) hole_for_nut(size=rodSize,nutAddedLen=0,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| translate([0,4,0]) | ||
| rotate([0,180,0]) hole_for_nut(size=rodSize+2,nutAddedLen=0,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| } | ||
| // Hole for the sliding nut | ||
| translate([0,-rod_nut_len-3-washer_thickness/2,0]) hull() { | ||
| rotate([0,180,0]) hole_for_nut(size=rodSize,nutAddedLen=X_backlash_armThickness,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.3); | ||
| translate([0,-2.25,0]) | ||
| rotate([0,180,0]) hole_for_nut(size=rodSize,nutAddedLen=X_backlash_armThickness,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.3); | ||
| } | ||
| // Hole for the rod | ||
| rotate([0,180,0])hole_for_nut(size=rodSize-2,nutAddedLen=X_backlash_armThickness,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| } | ||
| // Hole for the washer | ||
| translate([rod_nut_len/2+3+1,0,0]) rotate([0,0,-90]) rotate([180,0,0]) | ||
| hull() { | ||
| hull() { | ||
| washer_single(diam=washer_D, thickness=washer_thickness, renderPart=true, tolerance=0.3); | ||
| translate([0,0,-holderExtension*2]) | ||
| washer_single(diam=washer_D, thickness=washer_thickness, renderPart=true, tolerance=0.3); | ||
| } | ||
| hull() { | ||
| washer_single(diam=rodSize, thickness=4.5+washer_thickness, renderPart=true, tolerance=0.3); | ||
| translate([0,0,-holderExtension*2]) | ||
| washer_single(diam=rodSize, thickness=4.5+washer_thickness, renderPart=true, tolerance=0.3); | ||
| } | ||
| } | ||
| *translate([-0.01+rod_nut_len/2+6,0,0]) | ||
| hull() { | ||
| rotate([0,0,-90]) hole_for_nut(size=rodSize,nutAddedLen=-1.25,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| translate([2,0,0]) | ||
| rotate([0,0,-90]) hole_for_nut(size=rodSize-2,nutAddedLen=0,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| } | ||
| *translate([X_backlash_armThickness+0.01,0,0]) | ||
| rotate([0,0,-90]) hole_for_nut(size=rodSize-2,nutAddedLen=X_backlash_armThickness,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| } | ||
| } | ||
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| module Cyclone_XsubPart_XnutHolder_SINGLE_NUT(holes=false) { | ||
| rod_nut_len = 0.8*axes_Xthreaded_rodD; | ||
| rodSize = X_threaded_rodNutSize; // M3, M4, etc (integers only) | ||
| washer_D = X_backlash_washer_D; | ||
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| armWidth = axes_Xthreaded_rodD*2+5; | ||
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| X_backlash_armThickness = rod_nut_len*2; | ||
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| if(!holes) { | ||
| translate([X_backlash_armThickness/2,0,-axes_effective_Xsmooth_separation/2+washer_D/2]) | ||
| rotate([0,90,0]) bcube([axes_effective_Xsmooth_separation,armWidth,X_backlash_armThickness], cr=3,cres=10); | ||
| } else { | ||
| if(draw_references) %frame(); | ||
| translate([-0.01+rod_nut_len/2+6,0,0]) | ||
| hull() { | ||
| rotate([0,0,-90]) hole_for_nut(size=8,nutAddedLen=-1.25,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| translate([2,0,0]) | ||
| rotate([0,0,-90]) hole_for_nut(size=6,nutAddedLen=0,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| } | ||
| translate([X_backlash_armThickness+0.01,0,0]) | ||
| rotate([0,0,-90]) hole_for_nut(size=6,nutAddedLen=X_backlash_armThickness,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1); | ||
| } | ||
| } | ||
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| module Cyclone_XsubPart_XendstopBumper() { | ||
| XendBumper_x = 5; | ||
| XendBumper_y = 53; | ||
| XendBumper_z = 12; | ||
| XendBumper_D = 15; | ||
| translate([XendBumper_x/2, XendBumper_y/2-axes_Xsmooth_separation/2, -XendBumper_z/2-linearBearingDiameter/2]) { | ||
| rotate([0,90,0]) bcube([XendBumper_z,XendBumper_y,XendBumper_x], cr=XendBumper_z/2-0.01, cres=10); | ||
| translate([0,XendBumper_y/2-XendBumper_z/2,0]) | ||
| rotate([0,90,0]) cylinder(r=XendBumper_D/2, h=XendBumper_x, center=true); | ||
| //rotate([0,90,0]) bcube([XendBumper_z,XendBumper_y,XendBumper_x], cr=XendBumper_z/2-0.01, cres=10); | ||
| } | ||
| } | ||
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| color(color_movingPart) difference() { | ||
| // Main shape | ||
| union() { | ||
| hull() { | ||
| rotate([0,90,0]) | ||
| bcube([linearBearingDiameter,linearBearingDiameter+sideExtensions, dimX], cr=3, cres=5); | ||
| translate([0,axes_effective_Xsmooth_separation,axes_effective_Xsmooth_separation]) | ||
| rotate([0,90,0]) | ||
| bcube([linearBearingDiameter+sideExtensions,linearBearingDiameter, dimX], cr=3, cres=5); | ||
| } | ||
| translate([0,0,-screwExtension/2]) | ||
| rotate([0,90,0]) | ||
| bcube([linearBearingDiameter+screwExtension,linearBearingDiameter+sideExtensions, dimX], cr=3, cres=5); | ||
| translate([0,axes_effective_Xsmooth_separation+screwExtension/2,axes_effective_Xsmooth_separation]) | ||
| rotate([0,90,0]) | ||
| bcube([linearBearingDiameter+sideExtensions,linearBearingDiameter+screwExtension, dimX], cr=3, cres=5); | ||
| // Bottom right screw | ||
| translate([-linearBearingLength/2-X_linearBearingSeparation/2,0,-linearBearingDiameter/2-screwExtension/2]) | ||
| rotate([90,0,0]) cylinder(r=screwSize*2,h=screwLength, center=true, $fn=6); | ||
| // Bottom left screw | ||
| translate([linearBearingLength/2+X_linearBearingSeparation/2,0,-linearBearingDiameter/2-screwExtension/2]) | ||
| rotate([90,0,0]) cylinder(r=screwSize*2,h=screwLength, center=true, $fn=6); | ||
| // Top screw | ||
| translate([0,axes_effective_Xsmooth_separation+screwExtension/2+linearBearingDiameter/2,axes_effective_Xsmooth_separation]) | ||
| cylinder(r=screwSize*2,h=screwLength, center=true, $fn=6); | ||
| // Z nut holder | ||
| translate([0,axes_Zreference_posY+axes_ZthreadedReference_posY,axes_effective_Xsmooth_separation+(linearBearingDiameter+sideExtensions)/2]) | ||
| Cyclone_XsubPart_ZnutHolder(holes=false); | ||
| // X nut holder | ||
| translate([-dimX/2,axes_effective_Xsmooth_separation,0]) | ||
| rotate([-135,0,0]) Cyclone_XsubPart_XnutHolder(holes=false); | ||
| // X endstop bumper | ||
| translate([-dimX/2,axes_effective_Xsmooth_separation,axes_effective_Xsmooth_separation]) | ||
| Cyclone_XsubPart_XendstopBumper(); | ||
| } | ||
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| // ----- Hole for the Z carriage space ------ | ||
| difference() { | ||
| translate([-dimX/2-0.5,0,-sideExtensions+ZrodHolderLength]) | ||
| cube([dimX+1,axes_Zreference_posY+axes_ZthreadedReference_posY,axes_effective_Xsmooth_separation]); | ||
| translate([0,axes_Zreference_posY+axes_ZthreadedReference_posY,axes_effective_Xsmooth_separation+(linearBearingDiameter+sideExtensions)/2]) | ||
| Cyclone_XsubPart_ZnutHolder(mainPart=true); | ||
| } | ||
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| // ----- Hole for the radial bearing ------ | ||
| translate([0,axes_Zreference_posY+axes_ZthreadedReference_posY,axes_effective_Xsmooth_separation-(linearBearingDiameter+sideExtensions)/2]) rotate([180,0,0]) bearingHole(depth=Z_bearing_width); | ||
| translate([0,axes_Zreference_posY+axes_ZthreadedReference_posY,axes_effective_Xsmooth_separation-(linearBearingDiameter+sideExtensions)/2]) rotate([180,0,0]) nut(size=axes_Xthreaded_rodD, echoPart=true); | ||
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| // ----- Hole for the spindle tool ------ | ||
| translate([0,-35+8.5,0]) | ||
| cylinder(r=34/2, h=100, center=true); | ||
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| // ----- Holes for the linear bearings ------ | ||
| // Bottom right linear bearing | ||
| translate([-linearBearingLength/2-X_linearBearingSeparation/2,0,0]) | ||
| rotate([0,0,90]) linearBearingHole(model=X_linearBearingModel, lateralExtension=sideExtensions*2+screwExtension*2, pressureFitTolerance=LinearBearingPressureFitTolerance, lengthExtension=linearBearingLengthExtension); | ||
| // Bottom left linear bearing | ||
| translate([linearBearingLength/2+X_linearBearingSeparation/2,0,0]) | ||
| rotate([0,0,90]) linearBearingHole(model=X_linearBearingModel, lateralExtension=sideExtensions*2+screwExtension*2, pressureFitTolerance=LinearBearingPressureFitTolerance, lengthExtension=linearBearingLengthExtension); | ||
| // Top linear bearing | ||
| translate([0,axes_effective_Xsmooth_separation,axes_effective_Xsmooth_separation]) | ||
| rotate([90,0,0]) rotate([0,0,90]) linearBearingHole(model=X_linearBearingModel, lateralExtension=sideExtensions*2+screwExtension*2, pressureFitTolerance=LinearBearingPressureFitTolerance, lengthExtension=linearBearingLength+linearBearingLengthExtension+X_linearBearingSeparation); | ||
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| // ----- Holes for the screws ------ | ||
| // Bottom right screw | ||
| translate([-linearBearingLength/2-X_linearBearingSeparation/2,-screwLength/2-screwAditionalLength/2,-linearBearingDiameter/2-screwExtension/2]) | ||
| rotate([0,0,180]) hole_for_screw(size=screwSize,length=screwLength+screwAditionalLength,nutDepth=0,nutAddedLen=0,captiveLen=0,tolerance=screwHoleTolerance); | ||
| // Bottom left screw | ||
| translate([linearBearingLength/2+X_linearBearingSeparation/2,-screwLength/2-screwAditionalLength/2,-linearBearingDiameter/2-screwExtension/2]) | ||
| rotate([0,0,180]) hole_for_screw(size=screwSize,length=screwLength+screwAditionalLength,nutDepth=0,nutAddedLen=0,captiveLen=0,tolerance=screwHoleTolerance); | ||
| // Top screw | ||
| translate([0,axes_effective_Xsmooth_separation+screwExtension/2+linearBearingDiameter/2,axes_effective_Xsmooth_separation+screwLength/2+screwAditionalLength/2]) | ||
| rotate([90,0,0]) hole_for_screw(size=screwSize,length=screwLength+screwAditionalLength,nutDepth=0,nutAddedLen=0,captiveLen=0,tolerance=screwHoleTolerance); | ||
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| // ----- Hole for the Z nut ------ | ||
| translate([0,axes_Zreference_posY+axes_ZthreadedReference_posY,axes_Zreference_height]) | ||
| cylinder(r=8.5+Z_threaded_rod_Tolerance, h=axes_Zsmooth_rodLen); | ||
| //cylinder(r=axes_Zthreaded_rodD*0.9, h=axes_effective_Xsmooth_separation+dimZ*2); | ||
| // Cyclone_XsubPart_ZnutHolder(holes=true); | ||
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| // ----- Hole for the X nut ------ | ||
| translate([-dimX/2,axes_effective_Xsmooth_separation,0]) | ||
| rotate([-135,0,0]) Cyclone_XsubPart_XnutHolder(holes=true); | ||
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| // ----- Holes for the rods ------ | ||
| // TRANSLATE REFERENCE POSITION to the Z axis origin (right smooth rod) | ||
| translate([-axes_Zsmooth_separation/2,axes_Zreference_posY,axes_Zreference_height]) { | ||
| // Z smooth rod (right) | ||
| cylinder(r=axes_Zsmooth_rodD/2, h=axes_Zsmooth_rodLen); | ||
| // Z smooth rod (left) | ||
| translate([axes_Zsmooth_separation,0,0]) | ||
| cylinder(r=axes_Zsmooth_rodD/2, h=axes_Zsmooth_rodLen); | ||
| } | ||
| } | ||
| // Draw linear bearings | ||
| rotate([0,90,0]) linearBearing_single(model=X_linearBearingModel, echoPart=true); | ||
| rotate([0,-90,0]) linearBearing_single(model=X_linearBearingModel, echoPart=true); | ||
| translate([linearBearingLength/2,axes_effective_Xsmooth_separation,axes_effective_Xsmooth_separation]) | ||
| rotate([0,-90,0]) linearBearing_single(model=X_linearBearingModel, echoPart=true); | ||
| } |
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