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@@ -11,13 +11,13 @@ IN = 25.4 *MM
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distance = 15 *MM
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-seal_diam = 8.2 *MM
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-seal_depth = 3.4 *MM
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+seal_outer_diam = 8.2 *MM
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+seal_depth = 5.27 *MM
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seal_torus_diam = 1.5 *MM
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-cartridge_small_diam = 7.7 *MM
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-cartridge_small_depth = 5.2 *MM
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-cartridge_large_diam = 8.9 *MM
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-cartridge_large_depth = 2.7 *MM
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+cartridge_small_diam = 7.6 *MM
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+cartridge_small_depth = 6.6 *MM
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+cartridge_large_diam = 8.85 *MM
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+cartridge_large_depth = 3.6 *MM
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eps = 0.1 * MM
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@@ -52,7 +52,7 @@ iso_external_core = (
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)
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iso_external = iso_external_thread.cq_object.fuse(iso_external_core.val())
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-housing_diameter = cartridge_large_diam * 1.5
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+housing_diameter = cartridge_large_diam * 2
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housing = (
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cq.Workplane("XY")
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.rect(housing_diameter, housing_diameter)
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@@ -83,10 +83,11 @@ housing = (
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.cutBlind(-cartridge_small_depth)
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)
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# seal as torus
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+seal_mid_diam = seal_outer_diam - seal_torus_diam - eps
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seal = (
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- cq.Workplane('XZ', origin = (seal_diam/2, 0, 0))
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- .circle(seal_torus_diam/2)
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- .revolve(360, (-seal_diam/2, 0, 0), (-seal_diam/2, 1, 0))
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+ cq.Workplane('XZ', origin = (seal_mid_diam/2, 0, 0))
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+ .circle(seal_torus_diam/2-eps)
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+ .revolve(360, (-seal_mid_diam/2, 0, 0), (-seal_mid_diam/2, 1, 0))
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)
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seal_position = iso_external_thread.length*2 + distance - seal_depth
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seal_moved = seal.translate((0, housing_diameter, seal_position))
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@@ -107,7 +108,7 @@ sweep = (
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.workplane(offset=cartridge_small_diam/2-(iso_external_thread.length + distance/2))
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.center(0, -housing_diameter)
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.transformed(rotate=(-90, 0, 0))
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- .circle(seal_diam / 2)
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+ .circle(seal_outer_diam / 2)
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.loft(combine=False)
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)
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housing = housing.cut(sweep)
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