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95 lines
3.4 KiB
OpenSCAD
95 lines
3.4 KiB
OpenSCAD
//
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// Mendel90
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//
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// GNU GPL v2
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// Clamps for ribbon cable plus cable_strip
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//
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include <conf/config.scad>
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thickness = 5;
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slot_depth = 1.3;
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min_gap = 1.5;
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function ribbon_clamp_slot(ways) = ways * 0.05 * 25.4 + 2;
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function ribbon_clamp_pitch(ways, screw_type) = ribbon_clamp_slot(ways) + 2 * (screw_clearance_radius(screw_type) + min_gap);
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function ribbon_clamp_width(screw_type) = washer_diameter(screw_washer(screw_type)) + 2;
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function ribbon_clamp_length(ways, screw_type) = ribbon_clamp_pitch(ways, screw_type) + ribbon_clamp_width(screw_type);
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function ribbon_clamp_thickness() = thickness;
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module ribbon_clamp_holes(ways, screw_type) {
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pitch = ribbon_clamp_pitch(ways, screw_type);
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for(end = [-1, 1])
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translate([end * pitch / 2, 0, 0])
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child();
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}
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module ribbon_clamp(ways, screw_type) {
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hole_rad = screw_clearance_radius(screw_type);
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stl(str("ribbon_clamp_",ways,"_", 20 * hole_rad));
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rad = ribbon_clamp_width(screw_type) / 2;
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slot = ribbon_clamp_slot(ways);
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pitch = ribbon_clamp_pitch(ways, screw_type);
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translate([0,0, -thickness / 2]) difference() {
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//
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// body
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//
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slot(r = rad, l = pitch, h = thickness, center = true);
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//
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// screw holes
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//
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ribbon_clamp_holes(ways, screw_type)
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poly_cylinder(r = hole_rad, h = thickness + 1, center = true);
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//
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// Slot
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//
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translate([0, 0,thickness - slot_depth])
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cube([slot, 2 * rad + 1,thickness], center = true);
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}
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}
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module ribbon_clamp_assembly(ways, screw_type, screw_length, panel_thickness = 0, vertical = false, washer = false) {
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color(ribbon_clamp_color)
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render() rotate([180, 0, 0])
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ribbon_clamp(ways, screw_type);
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translate([0,0, thickness])
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ribbon_clamp_holes(ways, screw_type)
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screw_and_washer(screw_type, screw_length);
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if(panel_thickness != 0)
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translate([0,0, - panel_thickness])
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ribbon_clamp_holes(ways, screw_type)
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rotate([180, 0, vertical ? 90 : 0])
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if(washer)
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nut_and_washer(screw_nut(screw_type), true);
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else
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nut(screw_nut(screw_type), true);
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}
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module ribbon_clamp_12_33_stl() translate([0,0,thickness]) ribbon_clamp(12, M3_cap_screw);
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module ribbon_clamp_20_33_stl() translate([0,0,thickness]) ribbon_clamp(20, M3_cap_screw);
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module ribbon_clamp_20_40_stl() translate([0,0,thickness]) ribbon_clamp(20, No6_screw);
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module ribbon_clamp_20_44_stl() translate([0,0,thickness]) ribbon_clamp(20, M4_cap_screw);
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module ribbon_clamp_22_33_stl() translate([0,0,thickness]) ribbon_clamp(22, M3_cap_screw);
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module ribbon_clamp_22_40_stl() translate([0,0,thickness]) ribbon_clamp(22, No6_screw);
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module ribbon_clamp_22_44_stl() translate([0,0,thickness]) ribbon_clamp(22, M4_cap_screw);
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module ribbon_clamps_stl() {
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translate([0,-12,0]) ribbon_clamp(bed_ways, cap_screw);
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translate([0,0,0]) ribbon_clamp(bed_ways, cap_screw);
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translate([0,12,0]) ribbon_clamp(bed_ways, base_screw);
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translate([0,25,0]) ribbon_clamp(x_end_ways, frame_screw);
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translate([0,37,0]) ribbon_clamp(x_end_ways, M3_cap_screw);
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translate([0,48,0]) ribbon_clamp(extruder_ways, M3_cap_screw);
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translate([0,59,0]) ribbon_clamp(extruder_ways, M3_cap_screw);
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}
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if(1)
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ribbon_clamp_assembly(20, M4_cap_screw, 20, 4);
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else
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ribbon_clamps_stl();
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