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kinematics.sk
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kinematics.sk
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## An example of kinematics diagram for a 6-DOF robot arm
##
## Author : Alex Dumitrache <[email protected]>
## License: GPL
def blue<>
input{lib/defaults.sk}
input{lib/objects.sk}
def J1 0
def J2 -90
def J3 180
def J4 0
def J5 90
def J6 90
def arrowarc
{
sweep [style=thick]{215, rotate(1, [Z])} (1,0)
def p1 (1,0) then rotate(210, [Z])
def p2 (1,0) then rotate(210+30, [Z])
line [style=thick, style=->] (p1)(p2)
}
% The main drawing
put {scale(0.5)}
{
# base
put {scale(1)}
{
put{scale([8,8,0.5])}{box}
put{scale(1.5) * translate([0,0,0.2])}
{
{coordsys}
special |\path #1 node[left] {$Z_0$}
#2 node[below] {$X_0$}
#3 node[right] {$Y_0$};|(z)(x)(y)(o)
}
put {translate([0,0,4]) * rotate(135, [Z])}{arrowarc}
special|\node[right] at #1 {$\theta_1$};|(1,0,4)
line [style=dashed] (0,0,0.2)(0,0,12)
# link1
put {translate([0,0,7]) * rotate(J1, [Z])}
{
put{scale([1,1,3])}{cylinder}
put{translate([0,0,6]) * rotate(-90, [X])}
{
put{scale([2.5,2.5,4])}
{
{coordsys}
special |\path #1 node[above] {$Z_1$}
#2 node[right] {$X_1$}
#3 node[right] {$Y_1$};|(z)(x)(y)(o)
}
put {translate([0,0,-4]) * rotate(30, [Z])}{arrowarc}
special|\node at #1 {$\theta_2$};|(0,0,-4)
}
# link2
put {translate([0,0,6]) * rotate(-90, [X]) * rotate(J2+90, [Z])}
{
put{scale([1,1,3])}{cylinder}
put{translate([0,-7,0]) * rotate(-90, [Z])}
{
put {scale([3,4.5,6])}
{
{coordsys}
special |\path #1 node[above] {$Z_2$}
#2 node[left] {$X_2$}
#3 node[below] {$Y_2$};|(z)(x)(y)(o)
}
put {translate([0,0,-4]) * rotate(120, [Z])}{arrowarc}
special|\node at #1 {$\theta_3$};|(0,0,-4)
}
line [style=dashed] (0,0,0)(0,-7,0)
# link3
put {translate([0,-7,0]) * rotate(J3-180, [Z]) * rotate(90, [Y]) * rotate(90, [Z])}
{
put{rotate(90, [X]) * scale([1,1,3])}{cylinder}
put{scale([3,4,2.5])}
{
{coordsys}
special |\path #1 node[below] {$Z_3$}
#2 node[left] {$X_3$}
#3 node[above=1pt] {$Y_3$};|(z)(x)(y)(o)
}
put {translate([0,0,6]) * rotate(0, [Z])}{arrowarc}
special|\node[above] at #1 {$\theta_4$};|(-1,0,6)
line [style=dashed] (0,0,0)(0,0,16)
# link4
put {translate([0,0,9.5]) * rotate(180+J4, [Z])}
{
put{scale([1,1,3])}{cylinder}
# link5
put {translate([0,0,6.5]) * rotate(-90, [X]) * rotate(180, [Y])}
{
put{scale([1,1,3])}{cylinder}
put{scale([2.5,3,4])}
{
{coordsys}
special |\path #1 node[right] {$Z_4$}
#2 node[right] {$X_4$}
#3 node[above] {$Y_4$};|(z)(x)(y)(o)
}
put {translate([0,0,-4]) * rotate(-60, [Z])}{arrowarc}
special|\node at #1 {$\theta_5$};|(0,0,-4)
# link6
put {rotate(J5-90, [Z]) * translate([5,0,0]) * rotate(90, [Y]) * rotate(90, [Z])}
{
line [style=dashed] (0,0,7.25)(0,0,-5)
put{scale([1,1,3])}{cylinder}
put{scale([2.5,3,3])}
{
{coordsys}
special |\path #1 node[right] {$Z_5$}
#2 node[left] {$X_5$}
#3 node[right] {$Y_5$};|(z)(x)(y)(o)
}
put {translate([0,0,4.3]) * rotate(150, [Z])}{arrowarc}
special|\node[left] at #1 {$\theta_6$};|(1,0,4.3)
# end effector
put {rotate(J6, [Z]) * translate([0,0,6])}
{
put{scale([1,2,1])}{box}
put{translate([0,-0.7,1]) * scale([1,0.2,1])}{box}
put{translate([0,0.7,1]) * scale([1,0.2,1])}{box}
put{translate([0,0,1.25]) * scale([4,3,2.5])}
{
{coordsys}
special |\path #1 node[right] {$Z_6$}
#2 node[right] {$X_6$}
#3 node[right] {$Y_6$};|(z)(x)(y)(o)
}
}
}
}
}
}
}
}
}
}
global
{
language tikz
camera rotate(0, (1,0,0)) * view((1.5,2,1),(0,0,0),[0,0,1]) * rotate(110, (0,0,1))
}