added code for generating part for clamping the plate to the rod
parent
817db1a623
commit
1a02956519
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@ -166,8 +166,10 @@ class PlateLayout:
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# compute coordinates and various measurements for fixed radii of plate and tubes
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self.target_plate_radius = 160.0
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self.target_center_hole_radius = 7.5
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self.target_radius_1 = 50.5
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self.target_radius_1 = 50.5 # should be 50 mm according to data sheet but in fact its a bit more than that..
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self.target_radius_1_inner = 94.0/2.0
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self.target_radius_2 = 20.0
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self.target_radius_2_inner = 34.0/2.0
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teeth = 200
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D = 2 * self.target_plate_radius
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@ -296,7 +298,7 @@ class PlateLayout:
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self.tube_1_cuts[k]['tangent_point'] = t1
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self.tube_1_cuts[k]['angle_deg'] = angle1_deg
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self.tube_1_cuts[k]['length'] = dispenser_1_outer_diameter_small
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self.tube_1_cuts[k]['width'] = 5.0
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self.tube_1_cuts[k]['width'] = 4.0
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plt.plot(cut_center[0], cut_center[1], 'o')
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@ -355,7 +357,7 @@ class PlateLayout:
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self.tube_2_cuts[k]['tangent_point'] = t1
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self.tube_2_cuts[k]['angle_deg'] = angle1_deg
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self.tube_2_cuts[k]['length'] = dispenser_2_outer_diameter_small
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self.tube_2_cuts[k]['width'] = 5.0
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self.tube_2_cuts[k]['width'] = 4.0
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plt.plot(cut_center[0], cut_center[1], 'o')
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@ -410,7 +412,24 @@ class PlateLayout:
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if output_all:
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f_lines = self.output_whole(f_lines)
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else:
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f_lines = self.output_segment(f_lines, 2, split_at_big_circles=False)
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f_lines += '<g>\n'
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f_lines = self.output_segment(f_lines, 2, split_at_big_circles=True)
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f_lines += '</g>\n'
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# output other parts
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r = np.linalg.norm(self.tube_1_coords[0]) - self.target_radius_1
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f_lines += '<g>\n'
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f_lines += svg_circle('1', 'center_ring_clamp', (0,0), r)
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f_lines += svg_circle('2', 'center_ring_clamp', (0,0), self.target_center_hole_radius)
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height = 5.0
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width = 40.0
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f_lines += svg_rect(x=-width/2.0, y=-height/2.0, width=width, height=height)
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f_lines += '</g>\n'
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f_lines += '<g>\n'
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f_lines += svg_circle('1', 'center_ring', (0,0), r)
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f_lines += svg_circle('2', 'center_ring', (0,0), self.target_center_hole_radius)
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f_lines += '</g>\n'
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f_lines.append('</svg>\n')
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@ -419,6 +438,10 @@ class PlateLayout:
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fw.writelines(f_lines)
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fw.close()
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pass
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@ -454,13 +477,13 @@ class PlateLayout:
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f_lines += svg_gear_marking(self.tube_1_tangents[k_next], self.tube_1_coords[k_next])
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# cutout rectangle for big circles
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f_lines += svg_rectangle(k_next, 'cut', self.tube_1_cuts[k_next])
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f_lines += svg_rect_trans(k_next, 'cut', self.tube_1_cuts[k_next])
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# gear pos for small circle
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f_lines += svg_gear_marking(self.tube_2_tangents[k], self.tube_2_coords[k])
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# cutout rectangle for small circles
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f_lines += svg_rectangle(k, 'cut', self.tube_2_cuts[k])
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f_lines += svg_rect_trans(k, 'cut', self.tube_2_cuts[k])
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# first segment border
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f_lines += svg_segment_border_inner(self.tube_1_angles[k], self.target_center_hole_radius,
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@ -501,38 +524,38 @@ class PlateLayout:
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f_lines += svg_arc(p1, p2, self.target_center_hole_radius, 0, 1)
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# small circles arcs
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f_lines += svg_half_circle(k, 'small circle', self.tube_2_coords[k], self.target_radius_2,
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f_lines += svg_half_circle(k, 'small circle', self.tube_2_coords[k], self.target_radius_2_inner,
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self.tube_2_angles[k])
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f_lines += svg_half_circle(k_next, 'small circle', self.tube_2_coords[k_next], self.target_radius_2,
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f_lines += svg_half_circle(k_next, 'small circle', self.tube_2_coords[k_next], self.target_radius_2_inner,
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self.tube_2_angles[k_next], orientation_flag=0)
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# big circle
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f_lines += svg_circle(k, 'big circle', self.tube_1_coords[k_next], self.target_radius_1)
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f_lines += svg_circle(k, 'big circle', self.tube_1_coords[k_next], self.target_radius_1_inner)
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# gear pos for big circle
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f_lines += svg_gear_marking(self.tube_1_tangents[k_next], self.tube_1_coords[k_next])
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# cutout rectangle for big circles
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f_lines += svg_rectangle(k, 'cut', self.tube_1_cuts[k_next])
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f_lines += svg_rectangle(k, 'cut', self.tube_1_cuts[k_next_next])
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f_lines += svg_rect_trans(k, 'cut', self.tube_1_cuts[k_next])
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f_lines += svg_rect_trans(k, 'cut', self.tube_1_cuts[k_next_next])
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# gear pos for small circle
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f_lines += svg_gear_marking(self.tube_2_tangents[k_next], self.tube_2_coords[k_next])
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# cutout rectangle for small circles
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f_lines += svg_rectangle(k_next, 'cut', self.tube_2_cuts[k_next])
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f_lines += svg_rect_trans(k_next, 'cut', self.tube_2_cuts[k_next])
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# first segment border
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f_lines += svg_segment_border_inner(self.tube_2_angles[k], self.target_center_hole_radius,
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self.tube_2_coords[k], self.target_radius_2, puzzle_scale=0.5, placement=0.25)
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self.tube_2_coords[k], self.target_radius_2_inner, puzzle_scale=0.5, placement=0.25)
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f_lines += svg_segment_border_outer(self.tube_2_angles[k], self.target_plate_radius, self.plate_module,
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self.tube_2_coords[k], self.target_radius_2)
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self.tube_2_coords[k], self.target_radius_2_inner)
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# second segment border
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f_lines += svg_segment_border_inner(self.tube_2_angles[k_next], self.target_center_hole_radius,
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self.tube_2_coords[k_next], self.target_radius_2, puzzle_scale=0.5, placement=0.25)
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self.tube_2_coords[k_next], self.target_radius_2_inner, puzzle_scale=0.5, placement=0.25)
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f_lines += svg_segment_border_outer(self.tube_2_angles[k_next], self.target_plate_radius, self.plate_module,
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self.tube_2_coords[k_next], self.target_radius_2)
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self.tube_2_coords[k_next], self.target_radius_2_inner)
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# find outmost points for segment cut lines
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@ -629,13 +652,13 @@ class PlateLayout:
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# output cuts for big circles
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for k, c in self.tube_1_cuts.items():
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text = svg_rectangle(k, 'cut', c['center'], c['length'], c['width'], c['angle_deg'])
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text = svg_rect_trans(k, 'cut', c)
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f_lines = f_lines + text
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pass
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# output cuts for small circles
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for k, c in self.tube_2_cuts.items():
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text = svg_rectangle(k, 'cut', c['center'], c['length'], c['width'], c['angle_deg'])
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text = svg_rect_trans(k, 'cut', c)
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f_lines = f_lines + text
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pass
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@ -10,12 +10,15 @@ Important: SVG produced by python script needs to be openend, transformed and sa
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In progress:
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TODO:
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TODO:
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- add displacement between gear cuts and circles to have more stability at the cuts
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- second ring above the first plate to fix the containers and hide the gear mechanic (or manufacure them from acrylic to show the mechanic)
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- whole for hinges of big dispenser gears
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- hole for hinges of big dispenser gears (only if necessary)
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- shovels for dispensers by cutting segments from a sphere
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DONE:
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- center ring for holding the plates
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- make circles for lower plate of the two plates a bit smaller s.t. tube are perfectly set into the upper plate and fixed by the lower plate
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- stack 2 plates for better stability (add cuts at small circles)
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- automate generation of plate segment
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- connectors for segments (jigsaw puzzle style)
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@ -161,14 +161,7 @@ def svg_arc(p1, p2, r, large_arc, sweep):
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return text
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def svg_rectangle(id, name, c):
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center = c['center']
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width = c['length']
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height = c['width']
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angle = c['angle_deg']
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x = np.sqrt(center[0] ** 2 + center[1] ** 2) - width / 2
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y = - height
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def svg_rect(x, y, width, height, angle=0.0):
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text = ['<g transform="rotate({})">\n '
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'<rect x="{}mm" y="{}mm" width="{}mm" height="{}mm" style="fill:none;stroke-width:0.1mm;stroke:rgb(0,0,0)" />\n '
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'</g>\n'
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@ -176,6 +169,16 @@ def svg_rectangle(id, name, c):
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return text
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def svg_rect_trans(id, name, c):
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center = c['center']
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width = c['length']
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height = c['width']
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angle = c['angle_deg']
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x = np.sqrt(center[0] ** 2 + center[1] ** 2) - width / 2
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y = - height
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return svg_rect(x, y, width, height, angle)
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def svg_line(p1, p2, width=1.0):
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text = ['<line x1="{}mm" y1="{}mm" x2="{}mm" y2="{}mm" style="stroke:rgb(0,0,0);stroke-width:{}mm" />'.format(p1[0],
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