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ClockBuilderScript.scad
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ClockBuilderScript.scad
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/* The Printable Clock Project by Syvwlch,
with help from MakerBlock, rustedrobot, barrychuck,
and many others at Thingiverse.
This script builds a clock from parameters defined in the script that calls it via an <include>. It does not work by itself.
CC-A-SA licensed.*/
use <mcad/involute_gears.scad>
include <clockworkLibrary.scad> // version 12
// Overall Parameters
$fs=0.25*scale; // controls resolution for small details
//pinRadius has been moved to the clock parameter script
//sleeveThickness has been moved to the clock parameter script
//tightFi has been moved to the clock parameter script
//clearance has been moved to the clock parameter script
//spokeWidth has been moved to the clock parameter script
//numberSpoke has been moved to the clock parameter script
// Drum Parameters
//stringHoleRadius=1*scale; // radius of the holes in the drum
// Escapement Wheel Parameters
numberTeeth=15; // number of teeth in the escapement wheel
toothLength=15*scale; // length of the tooth along longest face and to inner radius of the wheel
toothLean=33; // how much the tooth leans over, clockwise, in degrees
toothSharpness=10; // the angle between the two side of each tooth
clubSize=0.2; // relative size of the club on the teeth
clubAngle=22.5; // impulse face angle
// Escapement Parameters
toothSpan=3.5; // how many teeth the escapement spans
faceAngle=6; // how many degrees the impulse face covers seen from the hub of the escapement wheel
armAngle=24; // angle of the escapement's arms
maxSwing=8; // maximum swing of the escapement, in degrees
armWidth=4*scale; // width of the escapement's arms
hubWidth=10*scale; // width of the escapement's hub
hubHeight=thickness; // thickness of the escapement's hub
// Pendulum Parameters
pendulumLength=printLimit/2-hubWidth; // length of the pendulum, measured from pin to center of bob
pendulumRadius=hubWidth; // radius of the bob at the end of the pendulum
snapFitBase=pendulumRadius/2; // dimensions of the snap-fit end on the pendulum arm
snapFitTop=2*snapFitBase; // dimensions of the snap-fit end on the pendulum arm
snapFitHeight=snapFitBase; // dimensions of the snap-fit end on the pendulum arm
// Gear Parameters
pressureAngle=14.5; // pressure angle for all the gears
rimWidth=4*scale; // width of the rim, measured from the dedendum (bottom of the teeth)
gearClearance=0.2*scale; // clearance for all the gears - default=0.2
gearBacklash=0.2*scale; // backlash for all the gears
gearSpacer=0.5*scale; // assymetrical axial spacer so the large gear doesn't run into the shoulder supporting the small gear
// Clock calculations
// radius of the escapement wheel
escapement_radius= 0.5*axis_separation/cos(180/numberTeeth*toothSpan);
circular_pitch1=axis_separation/(abs(ratio1)+1)/pinion1*360;
circular_pitch2=axis_separation/(abs(ratio2)+1)/pinion2*360;
circular_pitch3=axis_separation/(abs(ratio3)+1)/pinion3*360;
circular_pitch4=axis_separation/(abs(ratio4)+1)/pinion4*360;
circular_pitch5=axis_separation/(abs(ratio5)+1)/pinion5*360;
circular_pitch6=axis_separation/(abs(ratio6)+1)/pinion6*360;
circular_pitch7=axis_separation/(abs(ratio7)+1)/pinion7*360;
circular_pitch8=axis_separation/(abs(ratio8)+1)/pinion8*360;
fold_angle1=0;
fold_angle2=(fold_angle+fold_angle1)*ratio1+( pinion1/2==floor(pinion1/2) ? 180/pinion1 : 0);
fold_angle3=(fold_angle+fold_angle2)*ratio2+( pinion2/2==floor(pinion2/2) ? 180/pinion2 : 0);
fold_angle4=(fold_angle+fold_angle3)*ratio3+( pinion3/2==floor(pinion3/2) ? 180/pinion3 : 0);
fold_angle5=(fold_angle+fold_angle4)*ratio4+( pinion4/2==floor(pinion4/2) ? 180/pinion4 : 0);
fold_angle6=(fold_angle+fold_angle5)*ratio5+( pinion5/2==floor(pinion5/2) ? 180/pinion5 : 0);
fold_angle7=(fold_angle+fold_angle6)*ratio6+( pinion6/2==floor(pinion6/2) ? 180/pinion6 : 0);
fold_angle8=(fold_angle+fold_angle7)*ratio7+( pinion7/2==floor(pinion7/2) ? 180/pinion7 : 0);
fold_angle9=(fold_angle+fold_angle8)*ratio8+( pinion8/2==floor(pinion8/2) ? 180/pinion8 : 0);
rotation_angle1=rotation_angle;
rotation_angle2=rotation_angle1*ratio1;
rotation_angle3=rotation_angle2*ratio2;
rotation_angle4=rotation_angle3*ratio3;
rotation_angle5=rotation_angle4*ratio4;
rotation_angle6=rotation_angle5*ratio5;
rotation_angle7=rotation_angle6*ratio6;
rotation_angle8=rotation_angle7*ratio7;
rotation_angle9=rotation_angle8*ratio8;
correction1= 90-clockCorrection+fold_angle1-0*fold_angle; // correction angle for hand to be straight at midnight
correction2= 90-clockCorrection+fold_angle2-1*fold_angle; // correction angle for hand to be straight at midnight
correction3= 90-clockCorrection+fold_angle3-2*fold_angle; // correction angle for hand to be straight at midnight
correction4= 90-clockCorrection+fold_angle4-3*fold_angle; // correction angle for hand to be straight at midnight
correction5= 90-clockCorrection+fold_angle5-4*fold_angle; // correction angle for hand to be straight at midnight
correction6= 90-clockCorrection+fold_angle6-5*fold_angle; // correction angle for hand to be straight at midnight
correction7= 90-clockCorrection+fold_angle7-6*fold_angle; // correction angle for hand to be straight at midnight
correction8= 90-clockCorrection+fold_angle8-7*fold_angle; // correction angle for hand to be straight at midnight
correction9= 90-clockCorrection+fold_angle9-8*fold_angle; // correction angle for hand to be straight at midnight
pendulumCorrection= -90; // correction angle for the pendulum line up with wheel
// Module definitions
module placeWheel(angle,distance,depth)
{
child(0);
if($children-1>=1)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(1);
if($children-1>=2)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(2);
if($children-1>=3)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(3);
if($children-1>=4)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(4);
if($children-1>=5)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(5);
if($children-1>=6)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(6);
if($children-1>=7)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(7);
if($children-1>=8)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(8);
if($children-1>=9)
{
rotate([0,0,angle])
translate([distance,0,depth])
{
child(9);
}
} }
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
module trapezoidkey(base, top, height, thickness,plug=0)
{
linear_extrude(height=thickness, center=true, convexity=10, twist=0)
polygon(
points= [
[-base/2,0],
[-base/2,-plug],
[base/2,-plug],
[base/2,0],
[top/2, height],
[-top/2, height]
],
paths= [[0,1,2,3,4,5]],
convexity=10
);
}
module ratchet1(negativeSpace=false)
{
if (gearExists1!=1)
cube(0);
if (gearExists1==1)
ratchetDrum(
drum_height= drumHeight-spacer,
clockwise= true,
large_gear_teeth= abs(ratio1)*pinion1,
large_gear_circular_pitch= circular_pitch1-trimCircularPitch,
small_gear_teeth= 0,
small_gear_circular_pitch= 0,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel1,//+1,
pin_radius= (sleeveExtension1==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= spacer,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
number_holes= numberSpokes,
hole_radius= stringHoleRadius,
notch_angle= correction1,
negative_space= negativeSpace,
space= negativeMargin);
}
module ratchet2(negativeSpace=false)
{
if (gearExists2!=1)
cube(0);
if (gearExists2==1)
ratchetDrum(
drum_height= drumHeight-spacer,
clockwise= false,
large_gear_teeth= abs(ratio2)*pinion2,
large_gear_circular_pitch= circular_pitch2-trimCircularPitch,
small_gear_teeth= pinion1,
small_gear_circular_pitch= circular_pitch1-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel2,//+1,
pin_radius= (sleeveExtension2==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= spacer,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
number_holes= numberSpokes,
hole_radius= stringHoleRadius,
notch_angle= correction2,
negative_space= negativeSpace,
space= negativeMargin);
}
module pinion1(negativeSpace=false)
{
if (gearExists1==1)
handNotch(
notch_height= drumThickness+sleeveExtension1-handThickness,
notch_width= handWidth1,
sleeve_level= sleeveLevel1,
pin_radius= (sleeveExtension1==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction1,
negative_space= negativeSpace)
ratchetGear(
drum_height= drumHeight,
clockwise= true,
large_gear_teeth= abs(ratio1)*pinion1,
large_gear_circular_pitch= circular_pitch1-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel1,
pin_radius= (sleeveExtension1==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension1,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction1,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists1==2)
handNotch(
notch_height= pinionThickness+sleeveExtension1-handThickness,
notch_width= handWidth1,
sleeve_level= sleeveLevel1,
pin_radius= (sleeveExtension1==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction1,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio1)*pinion1,
large_gear_circular_pitch= circular_pitch1-trimCircularPitch,
small_gear_teeth= 0,
small_gear_circular_pitch= 0,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel1,
pin_radius= (sleeveExtension1==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension1,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction1,
negative_space= negativeSpace,
space= negativeMargin);
}
module pinion2(negativeSpace=false)
{
if (gearExists2==1)
handNotch(
notch_height= drumThickness+sleeveExtension2-handThickness,
notch_width= handWidth2,
sleeve_level= sleeveLevel2,
pin_radius= (sleeveExtension2==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction2,
negative_space= negativeSpace)
ratchetGear(
drum_height= drumHeight,
clockwise= false,
large_gear_teeth= abs(ratio2)*pinion2,
large_gear_circular_pitch= circular_pitch2-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel2,
pin_radius= (sleeveExtension2==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension2,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction2,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists2==2)
handNotch(
notch_height= pinionThickness+sleeveExtension2-handThickness,
notch_width= handWidth2,
sleeve_level= sleeveLevel2,
pin_radius= (sleeveExtension2==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction2,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio2)*pinion2,
large_gear_circular_pitch= circular_pitch2-trimCircularPitch,
small_gear_teeth= pinion1,
small_gear_circular_pitch= circular_pitch1-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel2,
pin_radius= (sleeveExtension2==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension2,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction2,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists2==3)
handNotch(
notch_height= pinionThickness+sleeveExtension2-handThickness,
notch_width= handWidth2,
sleeve_level= sleeveLevel2,
pin_radius= (sleeveExtension2==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction2,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion1,
small_gear_circular_pitch= circular_pitch1-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel2,
pin_radius= (sleeveExtension2==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension2,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction2,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module pinion3(negativeSpace=false)
{
if (gearExists3==2)
handNotch(
notch_height= pinionThickness+sleeveExtension3-handThickness,
notch_width= handWidth3,
sleeve_level= sleeveLevel3,
pin_radius= (sleeveExtension3==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction3,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio3)*pinion3,
large_gear_circular_pitch= circular_pitch3-trimCircularPitch,
small_gear_teeth= pinion2,
small_gear_circular_pitch= circular_pitch2-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel3,
pin_radius= (sleeveExtension3==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension3,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction3,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists3==3)
handNotch(
notch_height= pinionThickness+sleeveExtension3-handThickness,
notch_width= handWidth3,
sleeve_level= sleeveLevel3,
pin_radius= (sleeveExtension3==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction3,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion2,
small_gear_circular_pitch= circular_pitch2-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel3,
pin_radius= (sleeveExtension3==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension3,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction3,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module pinion4(negativeSpace=false)
{
if (gearExists4==2)
handNotch(
notch_height= pinionThickness+sleeveExtension4-handThickness,
notch_width= handWidth4,
sleeve_level= sleeveLevel4,
pin_radius= (sleeveExtension4==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction4,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio4)*pinion4,
large_gear_circular_pitch= circular_pitch4-trimCircularPitch,
small_gear_teeth= pinion3,
small_gear_circular_pitch= circular_pitch3-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel4,
pin_radius= (sleeveExtension4==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension4,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction4,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists4==3)
handNotch(
notch_height= pinionThickness+sleeveExtension4-handThickness,
notch_width= handWidth4,
sleeve_level= sleeveLevel4,
pin_radius= (sleeveExtension4==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction4,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion3,
small_gear_circular_pitch= circular_pitch3-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel4,
pin_radius= (sleeveExtension4==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension4,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction4,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module pinion5(negativeSpace=false)
{
if (gearExists5==2)
handNotch(
notch_height= pinionThickness+sleeveExtension5-handThickness,
notch_width= handWidth5,
sleeve_level= sleeveLevel5,
pin_radius= (sleeveExtension5==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction5,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio5)*pinion5,
large_gear_circular_pitch= circular_pitch5-trimCircularPitch,
small_gear_teeth= pinion4,
small_gear_circular_pitch= circular_pitch4-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel5,
pin_radius= (sleeveExtension5==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension5,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction5,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists5==3)
handNotch(
notch_height= pinionThickness+sleeveExtension5-handThickness,
notch_width= handWidth5,
sleeve_level= sleeveLevel5,
pin_radius= (sleeveExtension5==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction5,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion4,
small_gear_circular_pitch= circular_pitch4-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel5,
pin_radius= (sleeveExtension5==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension5,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction5,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module pinion6(negativeSpace=false)
{
if (gearExists6==2)
handNotch(
notch_height= pinionThickness+sleeveExtension6-handThickness,
notch_width= handWidth6,
sleeve_level= sleeveLevel6,
pin_radius= (sleeveExtension6==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction6,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio6)*pinion6,
large_gear_circular_pitch= circular_pitch6-trimCircularPitch,
small_gear_teeth= pinion5,
small_gear_circular_pitch= circular_pitch5-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel6,
pin_radius= (sleeveExtension6==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension6,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction6,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists6==3)
handNotch(
notch_height= pinionThickness+sleeveExtension6-handThickness,
notch_width= handWidth6,
sleeve_level= sleeveLevel6,
pin_radius= (sleeveExtension6==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction6,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion5,
small_gear_circular_pitch= circular_pitch5-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel6,
pin_radius= (sleeveExtension6==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension6,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction6,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module pinion7(negativeSpace=false)
{
if (gearExists7==2)
handNotch(
notch_height= pinionThickness+sleeveExtension7-handThickness,
notch_width= handWidth7,
sleeve_level= sleeveLevel7,
pin_radius= (sleeveExtension7==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction7,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio7)*pinion7,
large_gear_circular_pitch= circular_pitch7-trimCircularPitch,
small_gear_teeth= pinion6,
small_gear_circular_pitch= circular_pitch6-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel7,
pin_radius= (sleeveExtension7==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension7,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction7,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists7==3)
handNotch(
notch_height= pinionThickness+sleeveExtension7-handThickness,
notch_width= handWidth7,
sleeve_level= sleeveLevel7,
pin_radius= (sleeveExtension7==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction7,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion6,
small_gear_circular_pitch= circular_pitch6-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel7,
pin_radius= (sleeveExtension7==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension7,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction7,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module pinion8(negativeSpace=false)
{
if (gearExists8==2)
handNotch(
notch_height= pinionThickness+sleeveExtension8-handThickness,
notch_width= handWidth8,
sleeve_level= sleeveLevel8,
pin_radius= (sleeveExtension8==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction8,
negative_space= negativeSpace)
pinionWheel(
large_gear_teeth= abs(ratio8)*pinion8,
large_gear_circular_pitch= circular_pitch8-trimCircularPitch,
small_gear_teeth= pinion7,
small_gear_circular_pitch= circular_pitch7-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel8,
pin_radius= (sleeveExtension8==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension8,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction8,
negative_space= negativeSpace,
space= negativeMargin);
if (gearExists8==3)
handNotch(
notch_height= pinionThickness+sleeveExtension8-handThickness,
notch_width= handWidth8,
sleeve_level= sleeveLevel8,
pin_radius= (sleeveExtension8==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction8,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion7,
small_gear_circular_pitch= circular_pitch7-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel8,
pin_radius= (sleeveExtension8==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension8,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction8,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module pinion9(negativeSpace=false)
{
if (gearExists9==3)
handNotch(
notch_height= pinionThickness+sleeveExtension9-handThickness,
notch_width= handWidth9,
sleeve_level= sleeveLevel9,
pin_radius= (sleeveExtension9==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
notch_angle= correction9,
negative_space= negativeSpace)
pinionEscapementWheel(
radius= escapement_radius,
escapement_teeth= numberTeeth,
tooth_length= toothLength,
tooth_lean= toothLean,
tooth_sharpness= toothSharpness,
small_gear_teeth= pinion8,
small_gear_circular_pitch= circular_pitch8-trimCircularPitch,
gear_clearance= gearClearance,
gear_backlash= gearBacklash,
gear_spacer= gearSpacer,
pressure_angle= pressureAngle,
twist_factor= twistFactor,
rim_width= rimWidth,
sleeve_level= sleeveLevel9,
pin_radius= (sleeveExtension9==0 ? bearingRadius : pinRadius),
sleeve_thickness= sleeveThickness,
loose_fit= clearance,
gear_thickness= thickness,
sleeve_extension= sleeveExtension9,
spacer= spacer,
number_spokes= numberSpokes,
spoke_width= spokeWidth,
notch_angle= correction9,
negative_space= negativeSpace,
space= negativeMargin,
clubSize= clubSize,
clubAngle= clubAngle);
}
module escapementPendulum(sleeve_level,sleeve_extension,spacer,negativeSpace=false)
{
pin_radius=(sleeve_extension==0 ? bearingRadius : pinRadius);
bore_radius=pin_radius+sleeve_level*sleeveThickness+clearance;
sleeve_radius=pin_radius+(sleeve_level+1)*sleeveThickness;
union()
{
rotate(90-pendulumKink,[0,0,1])
{
translate([bore_radius,-armWidth,0])
cube([pendulumLength-(bore_radius)-(snapFitHeight+tightFit),2*armWidth,hubHeight]);
translate([pendulumLength,0,hubHeight/2])
{
translate([-pendulumRadius,-pendulumRadius,-hubHeight/2])
cube([pendulumRadius,pendulumRadius*2,hubHeight]);
}
}
if(negativeSpace==false) {ring(sleeve_radius,bore_radius,thickness+sleeve_extension+spacer);}
if(negativeSpace==true) {translate([0,0,-negativeMargin])ring(sleeve_radius+negativeMargin,0,thickness+sleeve_extension+spacer+2*negativeMargin);}
escapement(
escapement_radius,
thickness,
faceAngle,
armAngle,
armWidth,
numberTeeth,
toothSpan,
hubWidth,
hubHeight,
bore_radius,
negativeSpace,
negativeMargin,
maxSwing,
entryPalletAngle=45-toothLean+clubAngle,
exitPalletAngle=45-toothLean+clubAngle);
}
}
module assembled(showShafts=false,showFrame=false,negativeSpace=false)
{
union()
{
if(showFrame==true)
{
frontFrame();
backFrame();
midFrame();
}
if (showShafts==true)
{
translate([0,0,-shaftLength+printLimit/4])
placeWheel(fold_angle,axis_separation,0)
{
ring(pinRadius,0,shaftLength+printLimit/2);
ring(pinRadius,0,shaftLength+printLimit/2);
ring(pinRadius,0,shaftLength+printLimit/2);
ring(pinRadius,0,shaftLength+printLimit/2);
ring(pinRadius,0,shaftLength+printLimit/2);