46 lines
2.5 KiB
OpenSCAD
46 lines
2.5 KiB
OpenSCAD
include <../../config.scad>;
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use <../fixings/tube_clamp_round_tee_long_104.scad>;
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use <../fixings/tube_clamp_round_base_plate_132.scad>;
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use <../common/metric_bolt.scad>;
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use <../common/washer.scad>;
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module rear_leg_fixing() {
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echo("Rear leg fixing:");
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R_base_plate = get_R_plate_round_base_plate_132(D_AXLE_REAR);
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h_leg = Z_OFFSET_BED_TO_AXLE - R_base_plate[2] - D_AXLE_REAR / 2;
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offset_y_hole_base_plate = get_offset_hole_y_round_base_plate_132(D_AXLE_REAR);
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size_hole_base_plate = get_diameter_hole_round_base_plate_132(D_AXLE_REAR);
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h_bolt_head = get_metric_bolt_head_height(size_hole_base_plate);
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L_fastener = h_bolt_head * 2 + T_WASHER_BASE_PLATE * 2 + R_base_plate[2] + R_BED[2] + L_BOLT_EXTENSION;
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union() {
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// bracket bed
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rotate([0, 180, 0]) tube_clamp_round_base_plate_132(D_AXLE_REAR); // cylinder(R_fixing[2], R_fixing[0] / 2, R_fixing[0] / 2, center = true); // cube(R_fixing, center = true);
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for (index_side_y = [0 : 1 : 1]) {
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mirror([0, index_side_y, 0]) {
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// bracket at bed fastener
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translate([0, offset_y_hole_base_plate, L_fastener / 2 - R_base_plate[2] - L_BOLT_EXTENSION - h_bolt_head - T_WASHER_BASE_PLATE]) metric_bolt(size_hole_base_plate, L_fastener, true, L_BOLT_EXTENSION);
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translate([0, offset_y_hole_base_plate, h_bolt_head / 2 - 0* T_WASHER_BASE_PLATE / 2]) for (index_side_z = [0 : 1 : 1]) {
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mirror([0, 0, index_side_z]) {
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// bracket fastener washers
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translate([0, 0, L_fastener / 2 - L_BOLT_EXTENSION / 2 - h_bolt_head - T_WASHER_BASE_PLATE / 2]) washer(T_WASHER_BASE_PLATE, D_WASHER_BASE_PLATE, size_hole_base_plate);
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}
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}
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}
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}
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// leg
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color(COLOUR_BEAM_ALUMINIUM) translate([0, 0, -R_base_plate[2] - h_leg / 2]) cylinder(h_leg, D_AXLE_REAR / 2, D_AXLE_REAR / 2, center = true); // cube([t_beam, t_beam, h_leg], center = true);
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// bracket axle-side
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translate([0, 0, -Z_OFFSET_BED_TO_AXLE]) rotate([0, -90, 0]) tube_clamp_round_tee_long_104(D_AXLE_REAR); // cylinder(R_fixing[2], R_fixing[0] / 2, R_fixing[0] / 2, center = true);
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}
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// Shopping
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// bracket at bed
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// bracket bolt
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// echo(str("Base plate fastening washers: Washer Φ", D_WASHER_BASE_PLATE, "mm x ", T_WASHER_BASE_PLATE, "mm - x4")); // Base plate fastening washers
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echo(str("Leg: Round Aluminium bar Φ", D_AXLE_REAR, "mm x ", h_leg, "mm - x1"));
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// bracket at axle
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}
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rear_leg_fixing();
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