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SSRCase.scad
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SSRCase.scad
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//SSR Mount for 2020 Extrusion (or other)
//SSR Configuration
width = 45; //x
length = 58; //y
depth = 26; //z suggest printing this short so clamping force is relatively equal.
bolt_inset = 4;
x_spacing = 3; //spacing in XY dimensions before features
y_spacing = 20; //spacing in XY dimensions before features
z_spacing = 0; //clearance above (bottom is open to clamp)
case_thickness = 3; //case thickness
strain_relief = "cable_tie"; //1 generates strain relief on mains cable.
signal_cable_diameter = 5; //used for strain relief & cutout sizing. @positive Y
output_cable_diameter = 10; //ditto
cable_shield_size = 15; //extra shield space
tie_size = 5; //cable tie size for strain relief.
mount_size = 5; //
clamp_bolt_size = 3; //bolt size for clamps
printer_slop = 0.5; //slop factor for printer only used for bolt holes.
use <BOSL/transforms.scad>;
use <BOSL/shapes.scad>;
use <BOSL/metric_screws.scad>;
$fs = 0.05;
outer_x = case_thickness*2+width+x_spacing;
outer_y = case_thickness*2+length+y_spacing+cable_shield_size*2;
outer_z = case_thickness+depth+z_spacing;//only 1 case thickness in z
module cable_cutout (diameter) {
hull(){
translate([0,0,0])rotate([90,0,0])cylinder(r=(diameter+printer_slop)/2,h=2*case_thickness);
translate([0,0,depth-case_thickness-z_spacing-4])rotate([90,0,0])cylinder(r=(diameter+printer_slop)/2,h=2*case_thickness);
}
}
module tie_slot (size=tie_size,spacing){
translate([spacing/2,0,0])rrect([size/2,size,case_thickness*2]);
translate([-spacing/2,0,0])rrect([size/2,size,case_thickness*2]);
}
difference () {
rrect([outer_x,outer_y,outer_z]);
translate([0,0,-0.1]){
rrect([width+x_spacing,length+y_spacing,depth+z_spacing+0.1]);
//cable 'shields'
translate([0,outer_y/2-cable_shield_size/2,0])rrect([width+x_spacing,cable_shield_size+0.1,depth+z_spacing+0.1]);
translate([0,-outer_y/2+cable_shield_size/2,0])rrect([width+x_spacing,cable_shield_size+0.1,depth+z_spacing+0.1]);
//cable cutouts.
translate([0,length/2+y_spacing/2+case_thickness,0])#cable_cutout(diameter=signal_cable_diameter);
rotate([0,0,180])translate([0,length/2+y_spacing/2+case_thickness,0])cable_cutout(diameter=output_cable_diameter);
//cable tie slots
translate([0,length/2+y_spacing/2+cable_shield_size/2,outer_z-case_thickness])tie_slot(spacing=signal_cable_diameter+1);
rotate([0,0,180])translate([0,length/2+y_spacing/2+cable_shield_size/2,outer_z-case_thickness])tie_slot(spacing=output_cable_diameter+1);
//mounting bolts.
translate([0,length/2-bolt_inset,outer_z])screw(screwsize=5,screwlen=outer_z+4,headsize=get_metric_bolt_head_size(5),headlen=3);
rotate([0,0,180])translate([0,length/2-bolt_inset,outer_z])screw(screwsize=5,screwlen=outer_z+4,headsize=get_metric_bolt_head_size(5),headlen=3);
//led hole
translate([-width/2+10,length/2-20,depth])#cylinder(h=case_thickness*2,r=1);
}
}