Exemple #1
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 def execute(self, fp):
     fp.rack.m = fp.module.Value
     fp.rack.z = fp.teeth
     fp.rack.pressure_angle = fp.pressure_angle.Value * pi / 180.
     fp.rack.thickness = fp.thickness.Value
     fp.rack.beta = fp.beta.Value * pi / 180.
     fp.rack.head = fp.head
     fp.rack._update()
     pts = fp.rack.points()
     pol = Wire(makePolygon(list(map(fcvec, pts))))
     if fp.beta.Value == 0:
         face = Face(Wire(pol))
         fp.Shape = face.extrude(fcvec([0., 0., fp.height.Value]))
     elif fp.double_helix:
         beta = fp.beta.Value * pi / 180.
         pol2 = Part.Wire(pol)
         pol2.translate(
             fcvec(
                 [0.,
                  tan(beta) * fp.height.Value / 2, fp.height.Value / 2]))
         pol3 = Part.Wire(pol)
         pol3.translate(fcvec([0., 0., fp.height.Value]))
         fp.Shape = makeLoft([pol, pol2, pol3], True, True)
     else:
         beta = fp.beta.Value * pi / 180.
         pol2 = Part.Wire(pol)
         pol2.translate(
             fcvec([0., tan(beta) * fp.height.Value, fp.height.Value]))
         fp.Shape = makeLoft([pol, pol2], True)
Exemple #2
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 def execute(self, fp):
     self.cycloidegear.m = fp.module
     self.cycloidegear.z = fp.teeth
     self.cycloidegear.d1 = fp.inner_diameter
     self.cycloidegear.d2 = fp.outer_diameter
     self.cycloidegear.clearence = fp.clearence
     self.cycloidegear.backslash = fp.backslash
     self.cycloidegear._update()
     pts = self.cycloidegear.points(num = fp.numpoints)
     w1 = []
     for i in pts:
         out = BSplineCurve()
         out.interpolate(map(fcvec,i))
         w1.append(out)
     s = Shape(w1)
     wi0 = Wire(s.Edges)
     wi=[]
     for i in range(self.cycloidegear.z):
         rot = App.Matrix()
         rot.rotateZ(i*self.cycloidegear.phipart)
         wi.append(wi0.transformGeometry(rot))
     wi = Wire(wi)
     if fp.beta == 0:
         sh = Face(wi)
         fp.Shape = sh.extrude(App.Vector(0,0,fp.height))            
     else:
         fp.Shape = helicalextrusion(wi, fp.height, fp.height * tan(fp.beta * pi / 180) * 2 / self.cycloidegear.d)
Exemple #3
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 def execute(self, fp):
     fp.gear.m_n = fp.module
     fp.gear.z = fp.teeth
     fp.gear.undercut = fp.undercut
     fp.gear.shift = fp.shift
     fp.gear.alpha = fp.alpha * pi / 180.
     fp.gear.beta = fp.beta * pi / 180
     fp.gear.clearence = fp.clearence
     fp.gear.backslash = fp.backslash
     fp.gear._update()
     pts = fp.gear.points(num = fp.numpoints)
     w1 = []
     for i in pts:
         out = BSplineCurve()
         out.interpolate(map(fcvec,i))
         w1.append(out)
     s = Shape(w1)
     wi0 = Wire(s.Edges)
     wi=[]
     for i in range(fp.gear.z):
         rot = App.Matrix()
         rot.rotateZ(i*fp.gear.phipart)
         wi.append(wi0.transformGeometry(rot))
     wi = Wire(wi)
     if fp.beta == 0:
         sh = Face(wi)
         fp.Shape = sh.extrude(App.Vector(0,0,fp.height))            
     else:
         fp.Shape = helicalextrusion(wi, fp.height, fp.height * tan(fp.gear.beta) * 2 / fp.gear.d)
Exemple #4
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 def execute1(self, fp):
     fp.gear.z = fp.teeth
     fp.gear.pressure_angle = fp.pressure_angle.Value * pi / 180.
     fp.gear.pitch_angle = fp.pitch_angle.Value * pi / 180
     fp.gear.backlash = fp.backlash
     fp.gear._update()
     pts = fp.gear.points(num=fp.numpoints)
     tooth = self.create_tooth()
     teeth = [tooth]
     rot = App.Matrix()
     rot.rotateZ(2 * pi / fp.teeth)
     top_cap = [i.Edges[0] for i in tooth.Faces]
     bottom_cap = [i.Edges[3] for i in tooth.Faces]
     for i in range(fp.teeth - 1):
         new_tooth = teeth[-1].transformGeometry(rot)
         edge1 = new_tooth.Faces[0].Edges[2]
         edge2 = teeth[-1].Faces[-1].Edges[1]
         face1 = make_face(edge1, edge2)
         teeth.append(face1)
         teeth.append(new_tooth)
         top_cap.append(face1.Edges[3])
         bottom_cap.append(face1.Edges[1])
         top_cap += [i.Edges[0] for i in new_tooth.Faces]
         bottom_cap += [i.Edges[3] for i in new_tooth.Faces]
     edge1 = teeth[0].Faces[0].Edges[2]
     edge2 = teeth[-1].Faces[-1].Edges[1]
     face1 = make_face(edge1, edge2)
     teeth.append(face1)
     top_cap.append(face1.Edges[3])
     bottom_cap.append(face1.Edges[1])
     top_cap = Face(Wire(top_cap))
     bottom_cap = Face(Wire(bottom_cap))
     fcs = Compound(teeth).Faces
     top_cap.reverse()
     fp.Shape = Solid(Shell(fcs + [top_cap, bottom_cap]))
Exemple #5
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def make_face(edge1, edge2):
    v1, v2 = edge1.Vertexes
    v3, v4 = edge2.Vertexes
    e1 = Wire(edge1)
    e2 = Line(v1.Point, v3.Point).toShape().Edges[0]
    e3 = edge2
    e4 = Line(v4.Point, v2.Point).toShape().Edges[0]
    w = Wire([e3, e4, e1, e2])
    return(Face(w))
Exemple #6
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 def execute(self, fp):
     fp.rack.m = fp.module.Value
     fp.rack.z = fp.teeth
     fp.rack.pressure_angle = fp.pressure_angle.Value * pi / 180.
     fp.rack.thickness = fp.thickness.Value
     fp.rack._update()
     pts = fp.rack.points()
     pol = Wire(makePolygon(list(map(fcvec, pts))))
     fp.Shape = Face(Wire(pol)).extrude(fcvec([0., 0., fp.height]))
Exemple #7
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def helicalextrusion(wire, height, angle):
    face_a = Face(wire)
    face_b = face_a.copy()
    face_transform = App.Matrix()
    face_transform.rotateZ(angle)
    face_transform.move(App.Vector(0, 0, height))
    face_b.transformShape(face_transform)
    spine = Wire(Line(fcvec([0., 0, 0]), fcvec([0, 0, height])).toShape())
    auxspine = makeHelix(height * 2 * pi / abs(angle), height, 10., 0,
                         bool(angle < 0))
    faces = [face_a, face_b]
    pipeshell = BRepOffsetAPI.MakePipeShell(spine)
    pipeshell.setSpineSupport(spine)
    pipeshell.add(wire)
    pipeshell.setAuxiliarySpine(auxspine, True, False)
    assert (pipeshell.isReady())
    pipeshell.build()
    faces.extend(pipeshell.shape().Faces)

    fullshell = Shell(faces)
    solid = Solid(fullshell)
    if solid.Volume < 0:
        solid.reverse()
    assert (solid.Volume >= 0)
    return (solid)
Exemple #8
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 def createteeths(self, pts, pos):
     w1=[]
     for i in pts:
         scale = lambda x: x*pos
         i_scale = map(scale, i)
         out = BSplineCurve()
         out.interpolate(map(fcvec3,i_scale))
         w1.append(out)
     s = Shape(w1)
     wi0 = Wire(s.Edges)
     wi=[]
     for i in range(self.bevelgear.z):
         rot = App.Matrix()
         rot.rotateZ(-2*i*pi/self.bevelgear.z)
         wi.append(wi0.transformGeometry(rot)) 
     return(Wire(wi))
Exemple #9
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def make_bspline_wire(pts):
    wi = []
    for i in pts:
        out = BSplineCurve()
        out.interpolate(list(map(fcvec, i)))
        wi.append(out.toShape())
    return Wire(wi)
Exemple #10
0
 def execute(self, fp):
     fp.gear.m = fp.module.Value
     fp.gear.z = fp.teeth
     fp.gear.z1 = fp.inner_diameter.Value
     fp.gear.z2 = fp.outer_diameter.Value
     fp.gear.clearance = fp.clearance
     fp.gear.backlash = fp.backlash.Value
     fp.gear._update()
     pts = fp.gear.points(num=fp.numpoints)
     rotated_pts = pts
     rot = rotation(-fp.gear.phipart)
     for i in range(fp.gear.z - 1):
         rotated_pts = list(map(rot, rotated_pts))
         pts.append(np.array([pts[-1][-1], rotated_pts[0][0]]))
         pts += rotated_pts
     pts.append(np.array([pts[-1][-1], pts[0][0]]))
     wi = []
     for i in pts:
         out = BSplineCurve()
         out.interpolate(list(map(fcvec, i)))
         wi.append(out.toShape())
     wi = Wire(wi)
     if fp.height.Value == 0:
         fp.Shape = wi
     elif fp.beta.Value == 0:
         sh = Face(wi)
         fp.Shape = sh.extrude(App.Vector(0, 0, fp.height.Value))
     else:
         fp.Shape = helicalextrusion(
             wi, fp.height.Value, fp.height.Value * np.tan(fp.beta.Value * np.pi / 180) * 2 / fp.gear.d, fp.double_helix)
Exemple #11
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    def execute(self, fp):
        fp.gear.m_n = fp.module.Value
        fp.gear.z = fp.teeth
        fp.gear.undercut = fp.undercut
        fp.gear.shift = fp.shift
        fp.gear.alpha = fp.alpha.Value * pi / 180.
        fp.gear.beta = fp.beta.Value * pi / 180
        fp.gear.clearence = fp.clearence
        fp.gear.backlash = fp.backlash.Value
        fp.gear._update()
        pts = fp.gear.points(num=fp.numpoints)
        if not fp.simple:
            wi = []
            for i in pts:
                out = BSplineCurve()
                out.interpolate(map(fcvec, i))
                wi.append(out)
            s = Wire(Shape(wi).Edges)
            wi = []
            for i in range(fp.gear.z):
                rot = App.Matrix()
                rot.rotateZ(-i * fp.gear.phipart)
                tooth_rot = s.transformGeometry(rot)
                if i != 0:
                    pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
                    pt_1 = tooth_rot.Edges[0].Vertexes[-1].Point
                    wi.append(Wire([Line(pt_0, pt_1).toShape()]))
                wi.append(tooth_rot)
            pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
            pt_1 = wi[0].Edges[0].Vertexes[-1].Point
            wi.append(Wire([Line(pt_0, pt_1).toShape()]))

            wi = Wire(wi)
            fp.Shape = wi
            if fp.beta.Value == 0:
                sh = Face(wi)
                fp.Shape = sh.extrude(App.Vector(0, 0, fp.height.Value))
            else:
                fp.Shape = helicalextrusion(
                    wi, fp.height.Value, fp.height.Value * tan(fp.gear.beta) * 2 / fp.gear.d)
        else:
            rw = fp.gear.dw / 2
            circle = Part.Circle(App.Vector(0, 0, 0), App.Vector(0, 0, 1), rw)
            wire = Part.Wire(circle.toShape())
            face = Part.Face(wire)
            fp.Shape = face.extrude(App.Vector(0, 0, fp.height.Value))
Exemple #12
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 def execute(self, fp):
     fp.rack.m = fp.module.Value
     fp.rack.z = fp.teeth
     fp.rack.pressure_angle = fp.pressure_angle.Value * np.pi / 180.
     fp.rack.thickness = fp.thickness.Value
     fp.rack.beta = fp.beta.Value * np.pi / 180.
     fp.rack.head = fp.head
     # checksbackwardcompatibility:
     if "clearance" in fp.PropertiesList:
         fp.rack.clearance = fp.clearance
     if "properties_from_tool" in fp.PropertiesList:
         fp.rack.properties_from_tool = fp.properties_from_tool
     if "add_endings" in fp.PropertiesList:
         fp.rack.add_endings = fp.add_endings
     if "simplified" in fp.PropertiesList:
         fp.rack.simplified = fp.simplified
     fp.rack._update()
     pts = fp.rack.points()
     pol = Wire(makePolygon(list(map(fcvec, pts))))
     if fp.height.Value == 0:
         fp.Shape = pol
     elif fp.beta.Value == 0:
         face = Face(Wire(pol))
         fp.Shape = face.extrude(fcvec([0., 0., fp.height.Value]))
     elif fp.double_helix:
         beta = fp.beta.Value * np.pi / 180.
         pol2 = Part.Wire(pol)
         pol2.translate(
             fcvec([
                 0.,
                 np.tan(beta) * fp.height.Value / 2, fp.height.Value / 2
             ]))
         pol3 = Part.Wire(pol)
         pol3.translate(fcvec([0., 0., fp.height.Value]))
         fp.Shape = makeLoft([pol, pol2, pol3], True, True)
     else:
         beta = fp.beta.Value * np.pi / 180.
         pol2 = Part.Wire(pol)
         pol2.translate(
             fcvec([0., np.tan(beta) * fp.height.Value, fp.height.Value]))
         fp.Shape = makeLoft([pol, pol2], True)
     # computed properties
     if "transverse_pitch" in fp.PropertiesList:
         fp.transverse_pitch = "{} mm".format(
             fp.rack.compute_properties()[2])
Exemple #13
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    def execute(self, fp):
        super(InvoluteGear, self).execute(fp)
        fp.gear.double_helix = fp.double_helix
        fp.gear.m_n = fp.module.Value
        fp.gear.z = fp.teeth
        fp.gear.undercut = fp.undercut
        fp.gear.shift = fp.shift
        fp.gear.pressure_angle = fp.pressure_angle.Value * np.pi / 180.
        fp.gear.beta = fp.beta.Value * np.pi / 180
        fp.gear.clearance = fp.clearance
        fp.gear.backlash = fp.backlash.Value * \
            (-fp.reversed_backlash + 0.5) * 2.
        fp.gear.head = fp.head
        # checksbackwardcompatibility:
        if "properties_from_tool" in fp.PropertiesList:
            fp.gear.properties_from_tool = fp.properties_from_tool
        fp.gear._update()
        pts = fp.gear.points(num=fp.numpoints)
        rotated_pts = pts
        rot = rotation(-fp.gear.phipart)
        for i in range(fp.gear.z - 1):
            rotated_pts = list(map(rot, rotated_pts))
            pts.append(np.array([pts[-1][-1], rotated_pts[0][0]]))
            pts += rotated_pts
        pts.append(np.array([pts[-1][-1], pts[0][0]]))
        if not fp.simple:
            wi = []
            for i in pts:
                out = BSplineCurve()
                out.interpolate(list(map(fcvec, i)))
                wi.append(out.toShape())
            wi = Wire(wi)
            if fp.height.Value == 0:
                fp.Shape = wi
            elif fp.beta.Value == 0:
                sh = Face(wi)
                fp.Shape = sh.extrude(App.Vector(0, 0, fp.height.Value))
            else:
                fp.Shape = helicalextrusion(
                    wi, fp.height.Value, fp.height.Value * np.tan(fp.gear.beta) * 2 / fp.gear.d, fp.double_helix)
        else:
            rw = fp.gear.dw / 2
            fp.Shape = Part.makeCylinder(rw, fp.height.Value)

        # computed properties
        fp.dw = "{}mm".format(fp.gear.dw)
        fp.transverse_pitch = "{}mm".format(fp.gear.pitch)
        # checksbackwardcompatibility:
        if not "da" in fp.PropertiesList:
            self.add_limiting_diameter_properties(fp)
        fp.da = "{}mm".format(fp.gear.da)
        fp.df = "{}mm".format(fp.gear.df)
Exemple #14
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 def createteeths(self, pts, pos, teeth):
     w1 = []
     for i in pts:
         scale = lambda x: x * pos
         i_scale = map(scale, i)
         out = BSplineCurve()
         out.interpolate(map(fcvec, i_scale))
         w1.append(out)
     s = Wire(Shape(w1).Edges)
     wi = []
     for i in range(teeth):
         rot = App.Matrix()
         rot.rotateZ(2 * i * pi / teeth)
         tooth_rot = s.transformGeometry(rot)
         if i != 0:
             pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
             pt_1 = tooth_rot.Edges[0].Vertexes[-1].Point
             wi.append(Wire([Line(pt_0, pt_1).toShape()]))
         wi.append(tooth_rot)
     pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
     pt_1 = wi[0].Edges[0].Vertexes[-1].Point
     wi.append(Wire([Line(pt_0, pt_1).toShape()]))
     return(Wire(wi))
Exemple #15
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 def execute(self, fp):
     pass
     fp.gear.m = fp.module.Value
     fp.gear.z = fp.teeth
     fp.gear.z1 = fp.inner_diameter.Value
     fp.gear.z2 = fp.outer_diameter.Value
     fp.gear.clearence = fp.clearence
     fp.gear.backlash = fp.backlash.Value
     fp.gear._update()
     pts = fp.gear.points(num=fp.numpoints)
     wi = []
     for i in pts:
         out = BSplineCurve()
         out.interpolate(map(fcvec, i))
         wi.append(out)
     s = Wire(Shape(wi).Edges)
     wi = []
     for i in range(fp.gear.z):
         rot = App.Matrix()
         rot.rotateZ(-i * fp.gear.phipart)
         tooth_rot = s.transformGeometry(rot)
         if i != 0:
             pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
             pt_1 = tooth_rot.Edges[0].Vertexes[-1].Point
             wi.append(Wire([Line(pt_0, pt_1).toShape()]))
         wi.append(tooth_rot)
     pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
     pt_1 = wi[0].Edges[0].Vertexes[-1].Point
     wi.append(Wire([Line(pt_0, pt_1).toShape()]))
     wi = Wire(wi)
     if fp.beta.Value == 0:
         sh = Face(wi)
         fp.Shape = sh.extrude(App.Vector(0, 0, fp.height.Value))
     else:
         pass
         fp.Shape = helicalextrusion(
             wi, fp.height.Value, fp.height.Value * tan(fp.beta.Value * pi / 180) * 2 / fp.gear.d)
Exemple #16
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 def create_teeth(self, pts, pos, teeth):
     w1 = []
     pts = [pt * pos for pt in pts]
     rotated_pts = scaled_points
     rot = rotation3D(- 2 * i * np.pi / teeth)
     for i in range(teeth - 1):
         rotated_pts = map(rot, rotated_pts)
         pts.append(np.array([pts[-1][-1], rotated_pts[0][0]]))
         pts += rotated_pts
     s = Wire(Shape(w1).Edges)
     wi = []
     for i in range(teeth):
         rot = App.Matrix()
         rot.rotateZ(2 * i * np.pi / teeth)
         tooth_rot = s.transformGeometry(rot)
         if i != 0:
             pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
             pt_1 = tooth_rot.Edges[0].Vertexes[-1].Point
             wi.append(Wire([Line(pt_0, pt_1).toShape()]))
         wi.append(tooth_rot)
     pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
     pt_1 = wi[0].Edges[0].Vertexes[-1].Point
     wi.append(Wire([Line(pt_0, pt_1).toShape()]))
     return(Wire(wi))
Exemple #17
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 def execute(self, fp):
     fp.gear.double_helix = fp.double_helix
     fp.gear.m_n = fp.module.Value
     fp.gear.z = fp.teeth
     fp.gear.undercut = fp.undercut
     fp.gear.shift = fp.shift
     fp.gear.pressure_angle = fp.pressure_angle.Value * pi / 180.
     fp.gear.beta = fp.beta.Value * pi / 180
     fp.gear.clearance = fp.clearance
     fp.gear.backlash = fp.backlash.Value * (-fp.reversed_backlash +
                                             0.5) * 2.
     fp.gear.head = fp.head
     fp.gear._update()
     pts = fp.gear.points(num=fp.numpoints)
     rotated_pts = pts
     rot = rotation(-fp.gear.phipart)
     for i in range(fp.gear.z - 1):
         rotated_pts = list(map(rot, rotated_pts))
         pts.append(numpy.array([pts[-1][-1], rotated_pts[0][0]]))
         pts += rotated_pts
     pts.append(numpy.array([pts[-1][-1], pts[0][0]]))
     if not fp.simple:
         wi = []
         for i in pts:
             out = BSplineCurve()
             out.interpolate(list(map(fcvec, i)))
             wi.append(out.toShape())
         wi = Wire(wi)
         if fp.beta.Value == 0:
             sh = Face(wi)
             fp.Shape = sh.extrude(App.Vector(0, 0, fp.height.Value))
         else:
             fp.Shape = helicalextrusion(
                 wi, fp.height.Value,
                 fp.height.Value * tan(fp.gear.beta) * 2 / fp.gear.d,
                 fp.double_helix)
     else:
         rw = fp.gear.dw / 2
         circle = Part.Circle(App.Vector(0, 0, 0), App.Vector(0, 0, 1), rw)
         wire = Part.Wire(circle.toShape())
         face = Part.Face(wire)
         fp.Shape = face.extrude(App.Vector(0, 0, fp.height.Value))
Exemple #18
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    def execute(self, fp):
        super(CrownGear, self).execute(fp)
        inner_diameter = fp.module.Value * fp.teeth
        outer_diameter = inner_diameter + fp.height.Value * 2
        inner_circle = Part.Wire(Part.makeCircle(inner_diameter / 2.))
        outer_circle = Part.Wire(Part.makeCircle(outer_diameter / 2.))
        inner_circle.reverse()
        face = Part.Face([outer_circle, inner_circle])
        solid = face.extrude(App.Vector([0., 0., -fp.thickness.Value]))

        # cutting obj
        alpha_w = np.deg2rad(fp.pressure_angle.Value)
        m = fp.module.Value
        t = fp.teeth
        t_c = t
        t_i = fp.other_teeth
        rm = inner_diameter / 2
        y0 = m * 0.5
        y1 = m + y0
        y2 = m
        r0 = inner_diameter / 2 - fp.height.Value * 0.1
        r1 = outer_diameter / 2 + fp.height.Value * 0.3
        polies = []
        for r_i in np.linspace(r0, r1, fp.num_profiles):
            pts = self.profile(m, r_i, rm, t_c, t_i, alpha_w, y0, y1, y2)
            poly = Wire(makePolygon(list(map(fcvec, pts))))
            polies.append(poly)
        loft = makeLoft(polies, True)
        rot = App.Matrix()
        rot.rotateZ(2 * np.pi / t)
        if fp.preview_mode:
            cut_shapes = [solid]
            for _ in range(t):
                loft = loft.transformGeometry(rot)
                cut_shapes.append(loft)
            fp.Shape = Part.Compound(cut_shapes)
        else:
            for i in range(t):
                loft = loft.transformGeometry(rot)
                solid = solid.cut(loft)
            fp.Shape = solid
Exemple #19
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    def execute(self, fp):
        xtotal = fp.xsize.Value * fp.xoccurrences
        ytotal = fp.ysize.Value * fp.yoccurrences

        #App.Console.PrintMessage("xtotal,ytotal:" + str(xtotal) + "," + str(ytotal) + "\n")

        e1 = LineSegment(App.Vector(0, 0, 0), App.Vector(xtotal, 0,
                                                         0)).toShape().Edges[0]
        e2 = LineSegment(App.Vector(xtotal, 0, 0),
                         App.Vector(xtotal, ytotal, 0)).toShape().Edges[0]
        e3 = LineSegment(App.Vector(xtotal, ytotal, 0),
                         App.Vector(0, ytotal, 0)).toShape().Edges[0]
        e4 = LineSegment(App.Vector(0, ytotal, 0),
                         App.Vector(0, 0, 0)).toShape().Edges[0]
        w = Wire([e1, e2, e3, e4])

        #hole
        holes = []
        for i in range(fp.xoccurrences):
            for j in range(fp.yoccurrences):
                holes.append(
                    Part.Wire(
                        Part.makeCircle(
                            fp.holesize.Value / 2,
                            App.Vector(fp.xsize.Value / 2 + i * fp.xsize.Value,
                                       fp.ysize.Value / 2 + j * fp.ysize.Value,
                                       0), App.Vector(0, 0, -1))))

        face = Part.Face([w] + holes)
        baseshape = face.extrude(App.Vector(0, 0, fp.height.Value))
        if fp.fillet.Value > 0:
            borders = []
            for i in range(12):
                borders.append(baseshape.Edges[i])
            fp.Shape = baseshape.makeFillet(fp.fillet.Value, borders)
        else:
            fp.Shape = face.extrude(App.Vector(0, 0, fp.height.Value))
Exemple #20
0
 def create_teeth(self, pts, pos, teeth):
     w1 = []
     pts = [pt * pos for pt in pts]
     rotated_pts = scaled_points
     rot = rotation3D(-2 * i * pi / teeth)
     for i in range(teeth - 1):
         rotated_pts = map(rot, rotated_pts)
         pts.append(numpy.array([pts[-1][-1], rotated_pts[0][0]]))
         pts += rotated_pts
     s = Wire(Shape(w1).Edges)
     wi = []
     for i in range(teeth):
         rot = App.Matrix()
         rot.rotateZ(2 * i * pi / teeth)
         tooth_rot = s.transformGeometry(rot)
         if i != 0:
             pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
             pt_1 = tooth_rot.Edges[0].Vertexes[-1].Point
             wi.append(Wire([Line(pt_0, pt_1).toShape()]))
         wi.append(tooth_rot)
     pt_0 = wi[-1].Edges[-1].Vertexes[0].Point
     pt_1 = wi[0].Edges[0].Vertexes[-1].Point
     wi.append(Wire([Line(pt_0, pt_1).toShape()]))
     return (Wire(wi))
Exemple #21
0
def helicalextrusion(wire, height, angle):
    spine = Wire(Line(fcvec([0., 0, 0]), fcvec([0, 0, height])).toShape())
    auxspine = makeHelix(height * 2 * pi / abs(angle), height, 10., 0,
                         bool(angle < 0))
    solid = auxspine.makePipeShell([wire], True, True)
    return solid
Exemple #22
0
    def execute(self,fp):
        b = fp.pin_circle_radius
        d = fp.roller_diameter
        e = fp.eccentricity
        n = fp.teeth_number
        p = b/n
        s = fp.segment_count
        ang = fp.pressure_angle_lim
        c = fp.pressure_angle_offset

        q = 2*math.pi/float(s)

        # Find the pressure angle limit circles
        minAngle = -1.0
        maxAngle = -1.0
        for i in range(0, 180):
            x = self.calc_pressure_angle(p, d, n, i * math.pi / 180.)
            if ( x < ang) and (minAngle < 0):
                minAngle = float(i)
            if (x < -ang) and (maxAngle < 0):
                maxAngle = float(i-1)

        minRadius = self.calc_pressure_limit(p, d, e, n, minAngle * math.pi / 180.)
        maxRadius = self.calc_pressure_limit(p, d, e, n, maxAngle * math.pi / 180.)
        # unused
        # Wire(Part.makeCircle(minRadius,App.Vector(-e, 0, 0)))
        # Wire(Part.makeCircle(maxRadius,App.Vector(-e, 0, 0)))

        App.Console.PrintMessage("Generating cam disk\r\n")
        #generate the cam profile - note: shifted in -x by eccentricicy amount
        i=0
        x = self.calc_x(p, d, e, n, q*i / float(n))
        y = self.calc_y(p, d, e, n, q*i / n)
        x, y = self.check_limit(x,y,maxRadius,minRadius,c)
        points = [App.Vector(x-e, y, 0)]
        for i in range(0,s):
            x = self.calc_x(p, d, e, n, q*(i+1) / n)
            y = self.calc_y(p, d, e, n, q*(i+1) / n)
            x, y = self.check_limit(x, y, maxRadius, minRadius, c)
            points.append([x-e, y, 0])

        wi = make_bspline_wire([points])
        wires = []
        mat= App.Matrix()
        mat.move(App.Vector(e, 0., 0.))
        mat.rotateZ(2 * np.pi / n)
        mat.move(App.Vector(-e, 0., 0.))
        for _ in range(n):
            wi = wi.transformGeometry(mat)
            wires.append(wi)

        cam = Face(Wire(wires))
        #add a circle in the center of the cam
        if fp.hole_radius.Value:
            centerCircle = Face(Wire(Part.makeCircle(fp.hole_radius.Value, App.Vector(-e, 0, 0))))
            cam = cam.cut(centerCircle)

        to_be_fused = []
        if fp.show_disk0==True:
            if fp.disk_height.Value==0:
                to_be_fused.append(cam)
            else:
                to_be_fused.append(cam.extrude(App.Vector(0, 0, fp.disk_height.Value)))

        #secondary cam disk
        if fp.show_disk1==True:
            App.Console.PrintMessage("Generating secondary cam disk\r\n")
            second_cam = cam.copy()
            mat= App.Matrix()
            mat.rotateZ(np.pi)
            mat.move(App.Vector(-e, 0, 0))
            if n%2 == 0:
                mat.rotateZ(np.pi/n)
            mat.move(App.Vector(e, 0, 0))
            second_cam = second_cam.transformGeometry(mat)
            if fp.disk_height.Value==0:
                to_be_fused.append(second_cam)
            else:
                to_be_fused.append(second_cam.extrude(App.Vector(0, 0, -fp.disk_height.Value)))

        #pins
        if fp.show_pins==True:
            App.Console.PrintMessage("Generating pins\r\n")
            pins = []
            for i in range(0, n + 1):
                x = p * n * math.cos(2 * math.pi / (n + 1) * i)
                y = p * n * math.sin(2 * math.pi / (n + 1) * i)
                pins.append(Wire(Part.makeCircle(d / 2, App.Vector(x, y, 0))))

            pins = Face(pins)

            z_offset = -fp.pin_height.Value / 2;

            if fp.center_pins==True:
                if fp.show_disk0==True and fp.show_disk1==False:
                    z_offset += fp.disk_height.Value / 2;
                elif fp.show_disk0==False and fp.show_disk1==True:
                    z_offset += -fp.disk_height.Value / 2;
            #extrude
            if z_offset!=0:
                pins.translate(App.Vector(0, 0, z_offset))
            if fp.pin_height!=0:
                pins = pins.extrude(App.Vector(0, 0, fp.pin_height.Value))

            to_be_fused.append(pins);

        if to_be_fused:
            fp.Shape = Part.makeCompound(to_be_fused)