kopia lustrzana https://gitlab.com/markol/Simple_plotter
Initial commit
Marcin K
commit
d9c9984503
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/*
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Parametric belting generator, including straights, loops, and spirals, by Jeff Hertzberg
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Derived from:
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http://www.thingiverse.com/thing:19758 by The DoomMeister
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http://www.thingiverse.com/thing:16627 by Droftarts
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*/
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$fa = 2; // Try increasing this number if rendering of curves is unusably slow.
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// Set maximum_diameter to the shorter of your x or y axis.
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// It is used to limit length of straights and diameter of loops and spirals.
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maximum_diameter = 200;
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// Tooth profile default values chosen from belts offered in catalog pages at http://sdp-si.com
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// Tooth profile defaults are ordered: tooth_profile, tooth_pitch, back_thickness, belt_width
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tooth_profile_defaults = [
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[ "MXL", 2.032, 0.74, 6.35 ],
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[ "T2.5", 2.5, 0.6, 6 ],
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[ "T5", 5, 1, 10 ],
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[ "T10", 10, 2, 16 ],
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[ "GT2_2mm", 2, 0.76, 6 ],
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[ "GT2_3mm", 3, 1.27, 9 ],
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[ "GT2_5mm", 5, 1.88, 15 ],
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[ "AT5", 5, 1, 10 ],
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[ "HTD_3mm", 3, 1.19, 9 ],
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[ "HTD_5mm", 5, 1.73, 9 ],
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[ "HTD_8mm", 8, 2.64, 30 ],
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[ "40DP", 2.073, 0.74, 4.7625 ],
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[ "XL", 5.08, 1.03, 7.94 ],
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[ "L", 9.525, 1.66, 19.05 ]
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];
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//Examples
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// Rendering speeds are a function of the number and complexity of teeth, and the print layout, and they increase exponentially.
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// belting("spiral", "GT2_2mm", belt_length = 1000); // Careful! This one took almost five hours to render on a 2009 iMac.
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// belting("loop","MXL", tooth_count = 298 ); // This took 1 hour 10 minutes on a 2009 iMac
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//belting("straight","GT2_2mm", belt_length = 60, belting_width = 6 ); // 13 seconds
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// belting
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// Use: Generates belting in several standard tooth profiles.
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// Arguements:
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// print_layout (required) - how the belt will be arranged on the print surface. Current valid values: straight, loop, spiral.
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// tooth_profile (required) - shape of tooth. Only use profiles where the tooth form module is defined.
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// Current valid values: MXL, T2.5, T5, T10, GT2_2mm, GT2_3mm, GT2_5mm, AT5, HTD_3mm, HTD_5mm, HTD_8mm, 40DP, XL, L
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// tooth_count (alternate) - total belt length measured in number of teeth. If specified, then belt_length is ignored.
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// belt_length (alternate) - total belt length in mm, increased to next multiple of tooth pitch if necessary.
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// belting_width (optional) - Override default width for the belt in mm.
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// backing_thickness (optional) - Override default mm of belt backing behind tooth profile.
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// max_diameter (optional) - Maximum diameter for loops and spirals. Default is 200mm.
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module belting(
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print_layout = undef,
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tooth_profile = undef,
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tooth_count = undef,
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belt_length = undef,
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belting_width = undef,
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backing_thickness = undef,
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max_diameter = maximum_diameter)
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{
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// Initalization
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belt_defaults = tooth_profile_defaults[search([tooth_profile], tooth_profile_defaults)[0]];
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tooth_pitch = belt_defaults[1];
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belt_width = belting_width == undef ? belt_defaults[3] : belting_width;
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back_thickness = backing_thickness == undef ? belt_defaults[2] : backing_thickness;
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tooth_cnt = tooth_count == undef ? ceil(belt_length/tooth_pitch) : tooth_count;
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// Input checking.
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if ( belt_defaults == undef ) {
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echo(str("ERROR: Empty or invalid tooth_profile in belting module: ", tooth_profile));
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}
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else if( tooth_cnt == undef || tooth_cnt <= 0 ) {
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echo(str("ERROR: Invalid belt_length and/or tooth_count in belting module."));
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}
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else if( belt_width == undef || belt_width <= 0 ) {
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echo(str("ERROR: Invalid belt_width in belting module: ", belt_width));
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}
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else if( back_thickness == undef || back_thickness <= 0 ) {
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echo(str("ERROR: Invalid back_thickness in belting module: ", back_thickness));
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}
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else if( max_diameter == undef || max_diameter <= 0 ) {
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echo(str("ERROR: Invalid max_diameter in belting module: ", max_diameter));
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}
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// Inputs validated (except for layout).
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else {
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echo(str("Generating a ", print_layout, " of ", tooth_profile, " belt with ", tooth_cnt, " teeth, ",
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tooth_cnt*tooth_pitch, "mm long, ", belt_width, "mm wide and ", back_thickness, "mm thick." ));
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if( print_layout == "straight") { // Straight belt
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straight_belt(tooth_cnt, tooth_pitch, back_thickness, belt_width, max_diameter)
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belt_tooth(tooth_profile, belt_width);
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} else if( print_layout == "loop") { // Closed loop
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loop_belt(tooth_cnt, tooth_pitch, back_thickness, belt_width, max_diameter-(back_thickness*2))
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belt_tooth(tooth_profile, belt_width);
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} else if( print_layout == "spiral") { // Spiral belt (to fit more belt on the bed than with straight)
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spiral_belt(tooth_cnt, tooth_pitch, back_thickness, belt_width, max_diameter-(back_thickness*2))
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belt_tooth(tooth_profile, belt_width);
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} else {
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echo("ERROR: Invalid print_layout in belting module. Valid layouts are <b>straight</b>, <b>loop</b>, or <b>spiral</b>.");
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}
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}
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}
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module straight_belt(tooth_cnt, tooth_pitch, back_thickness, belt_width, max_diameter)
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{
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if( tooth_pitch * tooth_cnt > max_diameter ) {
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echo(str("WARNING: Straight belt is ", tooth_pitch * tooth_cnt,
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"mm long. If not be printable on your printer, try spiral." ));
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}
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union() {
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translate([-tooth_pitch/2,-back_thickness,0])cube([tooth_pitch*tooth_cnt,back_thickness,belt_width]);
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for( i = [0:tooth_cnt-1]) {
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translate([tooth_pitch*i,0,0]) children(0);
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}
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}
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}
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module loop_belt(tooth_cnt, tooth_pitch, back_thickness, belt_width, max_diameter)
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{
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radius = tooth_cnt * tooth_pitch / 3.14159265 / 2;
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if( (radius + back_thickness) * 2 > max_diameter ) {
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echo(str("WARNING: Loop belt diameter is ", (radius + back_thickness) * 2, "mm. May not be printable." ));
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}
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union() {
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render(convexity = 2) difference() {
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cylinder (h = belt_width, r=radius+back_thickness);
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cylinder (h = belt_width, r=radius);
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}
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for( i = [0:tooth_cnt-1]) {
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rotate(i/tooth_cnt*360)translate([0,-radius,0]) children(0);
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}
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}
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}
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module spiral_belt(tooth_cnt, tooth_pitch, back_thickness, belt_width, max_diameter, rot_angle = 0)
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{
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max_radius = max_diameter/2;
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radius = sqrt(pow(max_radius,2) - (tooth_cnt * tooth_pitch * 2));
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next_radius = sqrt(pow(max_radius,2)-((tooth_cnt - 1) * tooth_pitch * 2));
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rad_diff = next_radius - radius;
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angle = atan(tooth_pitch/radius);
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if(tooth_cnt > 0)
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{
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union() {
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spiral_belt((tooth_cnt-1), tooth_pitch, back_thickness, belt_width, max_diameter, angle+rot_angle) children(0);
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rotate(rot_angle) translate([0,-radius,0]) {
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translate([0,-rad_diff/2,0]) rotate(-atan(rad_diff/tooth_pitch)) children(0);
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translate([-tooth_pitch/2,0,0]) rotate(-atan(rad_diff/tooth_pitch)) linear_extrude(belt_width)
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polygon([[-rad_diff,0],[-(rad_diff*back_thickness/2),-back_thickness],[tooth_pitch+(rad_diff*back_thickness/2),-back_thickness],[tooth_pitch,0]]);
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}
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}
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}
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}
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module belt_tooth(tooth_profile = undef, belt_width = undef)
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{
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if( tooth_profile == "T2.5" ) {T2_5(width = belt_width);}
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else if( tooth_profile == "T5" ) {T5(width = belt_width);}
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else if( tooth_profile == "T10" ) {T10(width = belt_width);}
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else if( tooth_profile == "MXL" ) {MXL(width = belt_width);}
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else if( tooth_profile == "GT2_2mm" ) {GT2_2mm(width = belt_width);}
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else if( tooth_profile == "GT2_3mm" ) {GT2_3mm(width = belt_width);}
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else if( tooth_profile == "GT2_5mm" ) {GT2_5mm(width = belt_width);}
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else if( tooth_profile == "AT5" ) {AT5(width = belt_width);}
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else if( tooth_profile == "HTD_3mm" ) {HTD_3mm(width = belt_width);}
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else if( tooth_profile == "HTD_5mm" ) {HTD_5mm(width = belt_width);}
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else if( tooth_profile == "HTD_8mm" ) {HTD_8mm(width = belt_width);}
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else if( tooth_profile == "40DP" ) {40DP(width = belt_width);}
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else if( tooth_profile == "XL" ) {XL(width = belt_width);}
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else if( tooth_profile == "L" ) {L(width = belt_width);}
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else echo("INTERNAL ERROR: Missing tooth_profile module detected by belt_tooth module.");
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}
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// Tooth forms taken from http://www.thingiverse.com/thing:16627
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// Much credit to Droftarts for deriving the tooth profile polygons.
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module T2_5(width = 2)
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{
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linear_extrude(height=width) polygon([[-0.839258,-0.5],[-0.839258,0],[-0.770246,0.021652],[-0.726369,0.079022],[-0.529167,0.620889],[-0.485025,0.67826],[-0.416278,0.699911],[0.416278,0.699911],[0.484849,0.67826],[0.528814,0.620889],[0.726369,0.079022],[0.770114,0.021652],[0.839258,0],[0.839258,-0.5]]);
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}
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module T5(width = 2)
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{
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linear_extrude(height=width) polygon([[-1.632126,-0.5],[-1.632126,0],[-1.568549,0.004939],[-1.507539,0.019367],[-1.450023,0.042686],[-1.396912,0.074224],[-1.349125,0.113379],[-1.307581,0.159508],[-1.273186,0.211991],[-1.246868,0.270192],[-1.009802,0.920362],[-0.983414,0.978433],[-0.949018,1.030788],[-0.907524,1.076798],[-0.859829,1.115847],[-0.80682,1.147314],[-0.749402,1.170562],[-0.688471,1.184956],[-0.624921,1.189895],[0.624971,1.189895],[0.688622,1.184956],[0.749607,1.170562],[0.807043,1.147314],[0.860055,1.115847],[0.907754,1.076798],[0.949269,1.030788],[0.9837,0.978433],[1.010193,0.920362],[1.246907,0.270192],[1.273295,0.211991],[1.307726,0.159508],[1.349276,0.113379],[1.397039,0.074224],[1.450111,0.042686],[1.507589,0.019367],[1.568563,0.004939],[1.632126,0],[1.632126,-0.5]]);
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}
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module T10(width = 2)
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{
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linear_extrude(height=width) polygon([[-3.06511,-1],[-3.06511,0],[-2.971998,0.007239],[-2.882718,0.028344],[-2.79859,0.062396],[-2.720931,0.108479],[-2.651061,0.165675],[-2.590298,0.233065],[-2.539962,0.309732],[-2.501371,0.394759],[-1.879071,2.105025],[-1.840363,2.190052],[-1.789939,2.266719],[-1.729114,2.334109],[-1.659202,2.391304],[-1.581518,2.437387],[-1.497376,2.47144],[-1.408092,2.492545],[-1.314979,2.499784],[1.314979,2.499784],[1.408091,2.492545],[1.497371,2.47144],[1.581499,2.437387],[1.659158,2.391304],[1.729028,2.334109],[1.789791,2.266719],[1.840127,2.190052],[1.878718,2.105025],[2.501018,0.394759],[2.539726,0.309732],[2.59015,0.233065],[2.650975,0.165675],[2.720887,0.108479],[2.798571,0.062396],[2.882713,0.028344],[2.971997,0.007239],[3.06511,0],[3.06511,-1]]);
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}
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module MXL(width = 2)
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{
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linear_extrude(height=width) polygon([[-0.660421,-0.5],[-0.660421,0],[-0.621898,0.006033],[-0.587714,0.023037],[-0.560056,0.049424],[-0.541182,0.083609],[-0.417357,0.424392],[-0.398413,0.458752],[-0.370649,0.48514],[-0.336324,0.502074],[-0.297744,0.508035],[0.297744,0.508035],[0.336268,0.502074],[0.370452,0.48514],[0.39811,0.458752],[0.416983,0.424392],[0.540808,0.083609],[0.559752,0.049424],[0.587516,0.023037],[0.621841,0.006033],[0.660421,0],[0.660421,-0.5]]);
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}
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module GT2_2mm(width = 2)
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{
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linear_extrude(height=width) polygon([[0.747183,-0.5],[0.747183,0],[0.647876,0.037218],[0.598311,0.130528],[0.578556,0.238423],[0.547158,0.343077],[0.504649,0.443762],[0.451556,0.53975],[0.358229,0.636924],[0.2484,0.707276],[0.127259,0.750044],[0,0.76447],[-0.127259,0.750044],[-0.2484,0.707276],[-0.358229,0.636924],[-0.451556,0.53975],[-0.504797,0.443762],[-0.547291,0.343077],[-0.578605,0.238423],[-0.598311,0.130528],[-0.648009,0.037218],[-0.747183,0],[-0.747183,-0.5]]);
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}
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module GT2_3mm(width = 2)
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{
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linear_extrude(height=width) polygon([[-1.155171,-0.5],[-1.155171,0],[-1.065317,0.016448],[-0.989057,0.062001],[-0.93297,0.130969],[-0.90364,0.217664],[-0.863705,0.408181],[-0.800056,0.591388],[-0.713587,0.765004],[-0.60519,0.926747],[-0.469751,1.032548],[-0.320719,1.108119],[-0.162625,1.153462],[0,1.168577],[0.162625,1.153462],[0.320719,1.108119],[0.469751,1.032548],[0.60519,0.926747],[0.713587,0.765004],[0.800056,0.591388],[0.863705,0.408181],[0.90364,0.217664],[0.932921,0.130969],[0.988924,0.062001],[1.065168,0.016448],[1.155171,0],[1.155171,-0.5]]);
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}
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module GT2_5mm(width = 2)
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{
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linear_extrude(height=width) polygon([[-1.975908,-0.75],[-1.975908,0],[-1.797959,0.03212],[-1.646634,0.121224],[-1.534534,0.256431],[-1.474258,0.426861],[-1.446911,0.570808],[-1.411774,0.712722],[-1.368964,0.852287],[-1.318597,0.989189],[-1.260788,1.123115],[-1.195654,1.25375],[-1.12331,1.380781],[-1.043869,1.503892],[-0.935264,1.612278],[-0.817959,1.706414],[-0.693181,1.786237],[-0.562151,1.851687],[-0.426095,1.9027],[-0.286235,1.939214],[-0.143795,1.961168],[0,1.9685],[0.143796,1.961168],[0.286235,1.939214],[0.426095,1.9027],[0.562151,1.851687],[0.693181,1.786237],[0.817959,1.706414],[0.935263,1.612278],[1.043869,1.503892],[1.123207,1.380781],[1.195509,1.25375],[1.26065,1.123115],[1.318507,0.989189],[1.368956,0.852287],[1.411872,0.712722],[1.447132,0.570808],[1.474611,0.426861],[1.534583,0.256431],[1.646678,0.121223],[1.798064,0.03212],[1.975908,0],[1.975908,-0.75]]);
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}
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module AT5(width = 2)
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{
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linear_extrude(height=width) polygon([[-2.134129,-0.75],[-2.134129,0],[-2.058023,0.005488],[-1.984595,0.021547],[-1.914806,0.047569],[-1.849614,0.082947],[-1.789978,0.127073],[-1.736857,0.179338],[-1.691211,0.239136],[-1.653999,0.305859],[-1.349199,0.959203],[-1.286933,1.054635],[-1.201914,1.127346],[-1.099961,1.173664],[-0.986896,1.18992],[0.986543,1.18992],[1.099614,1.173664],[1.201605,1.127346],[1.286729,1.054635],[1.349199,0.959203],[1.653646,0.305859],[1.690859,0.239136],[1.73651,0.179338],[1.789644,0.127073],[1.849305,0.082947],[1.914539,0.047569],[1.984392,0.021547],[2.057906,0.005488],[2.134129,0],[2.134129,-0.75]]);
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}
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module HTD_3mm(width = 2)
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{
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linear_extrude(height=width) polygon([[-1.135062,-0.5],[-1.135062,0],[-1.048323,0.015484],[-0.974284,0.058517],[-0.919162,0.123974],[-0.889176,0.206728],[-0.81721,0.579614],[-0.800806,0.653232],[-0.778384,0.72416],[-0.750244,0.792137],[-0.716685,0.856903],[-0.678005,0.918199],[-0.634505,0.975764],[-0.586483,1.029338],[-0.534238,1.078662],[-0.47807,1.123476],[-0.418278,1.16352],[-0.355162,1.198533],[-0.289019,1.228257],[-0.22015,1.25243],[-0.148854,1.270793],[-0.07543,1.283087],[-0.000176,1.28905],[0.075081,1.283145],[0.148515,1.270895],[0.219827,1.252561],[0.288716,1.228406],[0.354879,1.19869],[0.418018,1.163675],[0.477831,1.123623],[0.534017,1.078795],[0.586276,1.029452],[0.634307,0.975857],[0.677809,0.91827],[0.716481,0.856953],[0.750022,0.792167],[0.778133,0.724174],[0.800511,0.653236],[0.816857,0.579614],[0.888471,0.206728],[0.919014,0.123974],[0.974328,0.058517],[1.048362,0.015484],[1.135062,0],[1.135062,-0.5]]);
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}
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module HTD_5mm(width = 2)
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{
|
||||
linear_extrude(height=width) polygon([[-1.89036,-0.75],[-1.89036,0],[-1.741168,0.02669],[-1.61387,0.100806],[-1.518984,0.21342],[-1.467026,0.3556],[-1.427162,0.960967],[-1.398568,1.089602],[-1.359437,1.213531],[-1.310296,1.332296],[-1.251672,1.445441],[-1.184092,1.552509],[-1.108081,1.653042],[-1.024167,1.746585],[-0.932877,1.832681],[-0.834736,1.910872],[-0.730271,1.980701],[-0.62001,2.041713],[-0.504478,2.09345],[-0.384202,2.135455],[-0.259708,2.167271],[-0.131524,2.188443],[-0.000176,2.198511],[0.131296,2.188504],[0.259588,2.167387],[0.384174,2.135616],[0.504527,2.093648],[0.620123,2.04194],[0.730433,1.980949],[0.834934,1.911132],[0.933097,1.832945],[1.024398,1.746846],[1.108311,1.653291],[1.184308,1.552736],[1.251865,1.445639],[1.310455,1.332457],[1.359552,1.213647],[1.39863,1.089664],[1.427162,0.960967],[1.467026,0.3556],[1.518984,0.21342],[1.61387,0.100806],[1.741168,0.02669],[1.89036,0],[1.89036,-0.75]]);
|
||||
}
|
||||
|
||||
module HTD_8mm(width = 2)
|
||||
{
|
||||
linear_extrude(height=width) polygon([[-3.301471,-1],[-3.301471,0],[-3.16611,0.012093],[-3.038062,0.047068],[-2.919646,0.10297],[-2.813182,0.177844],[-2.720989,0.269734],[-2.645387,0.376684],[-2.588694,0.496739],[-2.553229,0.627944],[-2.460801,1.470025],[-2.411413,1.691917],[-2.343887,1.905691],[-2.259126,2.110563],[-2.158035,2.30575],[-2.041518,2.490467],[-1.910478,2.66393],[-1.76582,2.825356],[-1.608446,2.973961],[-1.439261,3.10896],[-1.259169,3.22957],[-1.069074,3.335006],[-0.869878,3.424485],[-0.662487,3.497224],[-0.447804,3.552437],[-0.226732,3.589341],[-0.000176,3.607153],[0.226511,3.589461],[0.447712,3.552654],[0.66252,3.497516],[0.870027,3.424833],[1.069329,3.33539],[1.259517,3.229973],[1.439687,3.109367],[1.608931,2.974358],[1.766344,2.825731],[1.911018,2.664271],[2.042047,2.490765],[2.158526,2.305998],[2.259547,2.110755],[2.344204,1.905821],[2.411591,1.691983],[2.460801,1.470025],[2.553229,0.627944],[2.588592,0.496739],[2.645238,0.376684],[2.720834,0.269734],[2.81305,0.177844],[2.919553,0.10297],[3.038012,0.047068],[3.166095,0.012093],[3.301471,0],[3.301471,-1]]);
|
||||
}
|
||||
|
||||
module 40DP(width = 2)
|
||||
{
|
||||
linear_extrude(height=width) polygon([[-0.612775,-0.5],[-0.612775,0],[-0.574719,0.010187],[-0.546453,0.0381],[-0.355953,0.3683],[-0.327604,0.405408],[-0.291086,0.433388],[-0.248548,0.451049],[-0.202142,0.4572],[0.202494,0.4572],[0.248653,0.451049],[0.291042,0.433388],[0.327609,0.405408],[0.356306,0.3683],[0.546806,0.0381],[0.574499,0.010187],[0.612775,0],[0.612775,-0.5]]);
|
||||
}
|
||||
|
||||
module XL(width = 2)
|
||||
{
|
||||
linear_extrude(height=width) polygon([[-1.525411,-1],[-1.525411,0],[-1.41777,0.015495],[-1.320712,0.059664],[-1.239661,0.129034],[-1.180042,0.220133],[-0.793044,1.050219],[-0.733574,1.141021],[-0.652507,1.210425],[-0.555366,1.254759],[-0.447675,1.270353],[0.447675,1.270353],[0.555366,1.254759],[0.652507,1.210425],[0.733574,1.141021],[0.793044,1.050219],[1.180042,0.220133],[1.239711,0.129034],[1.320844,0.059664],[1.417919,0.015495],[1.525411,0],[1.525411,-1]]);
|
||||
}
|
||||
|
||||
module L(width = 2)
|
||||
{
|
||||
linear_extrude(height=width) polygon([[-2.6797,-1],[-2.6797,0],[-2.600907,0.006138],[-2.525342,0.024024],[-2.45412,0.052881],[-2.388351,0.091909],[-2.329145,0.140328],[-2.277614,0.197358],[-2.234875,0.262205],[-2.202032,0.334091],[-1.75224,1.57093],[-1.719538,1.642815],[-1.676883,1.707663],[-1.62542,1.764693],[-1.566256,1.813112],[-1.500512,1.85214],[-1.4293,1.880997],[-1.353742,1.898883],[-1.274949,1.905021],[1.275281,1.905021],[1.354056,1.898883],[1.429576,1.880997],[1.500731,1.85214],[1.566411,1.813112],[1.625508,1.764693],[1.676919,1.707663],[1.719531,1.642815],[1.752233,1.57093],[2.20273,0.334091],[2.235433,0.262205],[2.278045,0.197358],[2.329455,0.140328],[2.388553,0.091909],[2.454233,0.052881],[2.525384,0.024024],[2.600904,0.006138],[2.6797,0],[2.6797,-1]]);
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
## This repository contains CAD design for 3D printed small plotter
|
||||
Use [OpenScad](www.openscad.org/) to compile end export STL models for printing. Modify variable values, described in source, if you want to change something.
|
||||
|
||||
File `assembly.scad` contains all parts assembled together for preview.
|
||||
When opening file individually, uncomment single function call in the beginning of the file to render this particular part.
|
||||
|
||||
Bill of non-printable materials:
|
||||
|
||||
- 2x stepper motor, flange nema17
|
||||
- 2x endstop switch
|
||||
- 2x M10 threaded rods, length 320 mm
|
||||
- 4x M10 washers and nuts
|
||||
- 4x 8 mm smooth rods
|
||||
- 4x M4x30 screw
|
||||
- 5x M4 nuts
|
||||
- 10x M4 washers
|
||||
- 4x M3x30 screws
|
||||
- 9x M3x15 screws
|
||||
- 8x M3x10 screws (for motors)
|
||||
- 8x M3 washers
|
||||
- 4x M2.5x10 screws (for switches)
|
||||
- 5x 604zz bearings
|
||||
- 1x MXL belt 8 mm wide, 1500 mm
|
||||
- 2x MXL gears for 5 mm axis
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
include <settings.scad>;
|
||||
// files bellow contain printable solids
|
||||
include <carriage.scad>;
|
||||
include <y_end1.scad>;
|
||||
include <y_end2.scad>;
|
||||
include <belt_clamp.scad>;
|
||||
include <x_end.scad>;
|
||||
|
||||
|
||||
for(mul = [1,-1])
|
||||
translate([0,-mul*136+80,linear_bearing_r]) scale([1,mul,1]) rotate([90,0,0])
|
||||
x_end();
|
||||
|
||||
translate([-base_width/2,0,0])
|
||||
{
|
||||
carriage_assembly();
|
||||
translate([0,0, 4*linear_bearing_r])rotate([180,0,90])
|
||||
carriage_assembly();
|
||||
}
|
||||
|
||||
translate([173,base_width/2,linear_bearing_r*3]) rotate([90,180,90])
|
||||
y_end1();
|
||||
|
||||
translate([-114,base_width/2,linear_bearing_r*3])
|
||||
{
|
||||
rotate([-90,0,-90]) y_end2();
|
||||
rotate([0,0,90]) translate([-clamp_width/2,1,-13]) belt_clamp();
|
||||
}
|
||||
|
||||
|
||||
module carriage_assembly()
|
||||
{
|
||||
carriage();
|
||||
for(pos = [linear_bearing_r+linear_bearing_spacig/2,base_width - (linear_bearing_r+linear_bearing_spacig/2)])
|
||||
translate([pos,0,linear_bearing_r]) rotate([-90,0,0])
|
||||
{
|
||||
color([0.5,0.5,0.5])
|
||||
{
|
||||
translate([0,0,-70])
|
||||
cylinder(r=rods_r-0.1, h=300);
|
||||
guide(true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
include <settings.scad>;
|
||||
include <carriage.scad>;
|
||||
include <Belt_Generator.scad>;
|
||||
|
||||
//belt_clamp();
|
||||
|
||||
clamp_height = belt_width + 2;
|
||||
clamp_width = rods_spacing/1.6;
|
||||
|
||||
module belt_clamp()
|
||||
{
|
||||
difference()
|
||||
{
|
||||
hull()
|
||||
{
|
||||
cube([clamp_width, 3, clamp_height]);
|
||||
translate([clamp_width/2-mouting_screw_hole_dia/2,0,0])
|
||||
cube([mouting_screw_hole_dia, mouting_screw_hole_dia+3, clamp_height]);
|
||||
}
|
||||
translate([clamp_width/2,mouting_screw_hole_dia+3,clamp_height/2])
|
||||
rotate([90,0,0]) screw_hole(mouting_screw_hole_dia, 30, true);
|
||||
scale([1,1.3,1])
|
||||
belting("straight",belt_profile, belt_length = clamp_width, belting_width = clamp_height );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,84 @@
|
|||
include <settings.scad>;
|
||||
;
|
||||
|
||||
// print BOTH! versions
|
||||
//carriage(true);
|
||||
//carriage(false);
|
||||
|
||||
module carriage(generate_nut_holes=true)
|
||||
{
|
||||
switch_holes_spacing = [0,6.5,9.5];
|
||||
|
||||
difference()
|
||||
{
|
||||
union(){
|
||||
carriage_base(generate_nut_holes);
|
||||
//endstop support
|
||||
translate([2*linear_bearing_r+linear_bearing_spacig,0,0])
|
||||
cube([switch_holes_spacing[2]-linear_bearing_spacig/2+2.5,linear_bearing_spacig,base_height]);
|
||||
}
|
||||
//endstop holes
|
||||
for(spacing = switch_holes_spacing)
|
||||
translate([2*linear_bearing_r+linear_bearing_spacig/2+spacing,3,0]) cylinder( r=1.1, h=base_height);
|
||||
}
|
||||
}
|
||||
|
||||
module carriage_base(generate_nut_holes=true)
|
||||
{
|
||||
offset1 = base_width/2-belt_bearing_dia-1;
|
||||
offset2 = base_width/2+belt_bearing_dia+1;
|
||||
bearing_holes = [[offset1, offset1 ,0], [offset1, offset2, 0],[offset2, offset1 ,0], [offset2, offset2, 0]];
|
||||
|
||||
difference()
|
||||
{
|
||||
union()
|
||||
{
|
||||
cube([base_width, base_width, base_height]);
|
||||
//belt bearing support
|
||||
for(pos = bearing_holes) translate(pos) cylinder(r=screw_hole_dia*1.2, h=(linear_bearing_r*4-belt_bearing_height)/2-0.5 );
|
||||
|
||||
//linear bearing support
|
||||
offset = (2*linear_bearing_r+linear_bearing_spacig/2);
|
||||
for(pos = [[offset,linear_bearing_spacig,0],
|
||||
[base_width-offset-linear_bearing_r,linear_bearing_spacig,0],
|
||||
[base_width-offset-linear_bearing_r,base_width-linear_bearing_spacig-linear_bearing_r,0],
|
||||
[offset,base_width-linear_bearing_spacig-linear_bearing_r,0]])
|
||||
translate(pos)
|
||||
cube([linear_bearing_r,linear_bearing_r,linear_bearing_r*2-0.2]);
|
||||
}
|
||||
|
||||
for(pos = [linear_bearing_r+linear_bearing_spacig/2,base_width - (linear_bearing_r+linear_bearing_spacig/2)])
|
||||
translate([pos,0,linear_bearing_r]) rotate([-90,0,0])guide();
|
||||
//belt bearings screw holes
|
||||
for(pos = bearing_holes)
|
||||
translate(pos)
|
||||
screw_hole(screw_hole_dia, base_height*2,, generate_nut_holes);
|
||||
//mounting holes
|
||||
offset12 = linear_bearing_r*2+linear_bearing_spacig;
|
||||
offset22 = base_width-offset12;
|
||||
mounting_holes = [[offset12, offset12 ,0], [offset12, offset22, 0],[offset22, offset12 ,0], [offset22, offset22, 0]]
|
||||
;
|
||||
for(pos = mounting_holes)
|
||||
translate(pos)
|
||||
screw_hole(mouting_screw_hole_dia, base_height*2, generate_nut_holes);
|
||||
//center hole
|
||||
translate([base_width/2, base_width/2,0]) cylinder(r=belt_bearing_dia, h=base_height);
|
||||
//material saving cuts
|
||||
for(xpos=[0,base_width])
|
||||
translate([base_width/2,xpos,0]) cylinder(r=(base_width-linear_bearing_spacig*2-linear_bearing_r*4)/2, h=linear_bearing_r*2);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
module guide(bearings_only=false)
|
||||
{
|
||||
if(!bearings_only)
|
||||
cylinder(r = rods_r+0.6, h = base_width );
|
||||
for(pos = [linear_bearing_spacig, base_width-linear_bearing_spacig-linear_bearing_l])
|
||||
translate([0,0,pos]){
|
||||
if(!bearings_only)
|
||||
translate([-linear_bearing_r/2,linear_bearing_r/2,0])cube([linear_bearing_r, linear_bearing_r, linear_bearing_l]);
|
||||
cylinder(r = linear_bearing_r, h = linear_bearing_l );
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
// file with helpful modules only
|
||||
module screw_hole(dia,depth, nut_holes)
|
||||
{
|
||||
cylinder(r=dia/2, h=depth, $fn=8);
|
||||
if(nut_holes)
|
||||
cylinder(r=dia*0.95, h=3, $fn=6);
|
||||
else
|
||||
cylinder(r=dia*1.1, h=3);
|
||||
}
|
||||
|
||||
module roundedRect(size, radius)
|
||||
{
|
||||
x = size[0]; y = size[1]; z = size[2];
|
||||
|
||||
linear_extrude(height=z)
|
||||
hull() { // place 4 circles in the corners, with the given radius
|
||||
translate([(-x/2)+(radius), (-y/2)+(radius), 0]) circle(r=radius);
|
||||
translate([(x/2)-(radius), (-y/2)+(radius), 0])
|
||||
circle(r=radius);
|
||||
translate([(-x/2)+(radius), (y/2)-(radius), 0])
|
||||
circle(r=radius);
|
||||
translate([(x/2)-(radius), (y/2)-(radius), 0])
|
||||
circle(r=radius);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
include <common.scad>;
|
||||
//carriage dimensions
|
||||
base_width = 85;
|
||||
base_height = 9;
|
||||
|
||||
//some dimensions are with additional margin
|
||||
//linear guides settings
|
||||
rods_r = 4.1;
|
||||
//LM08UU bearing
|
||||
linear_bearing_r = 7.6;
|
||||
linear_bearing_l = 24.5;
|
||||
linear_bearing_spacig = 8; //from carriage edge
|
||||
|
||||
//belt guiding bearing
|
||||
generate_nut_holes=true;
|
||||
//604 bearing
|
||||
screw_hole_dia = 4.4;
|
||||
belt_bearing_dia = 12;
|
||||
belt_bearing_height=4.5;
|
||||
belt_width = 8;
|
||||
//change it accordingly to options in file Belt_Generator.scad
|
||||
belt_profile = "MXL";
|
||||
mouting_screw_hole_dia = 3.5;
|
||||
//
|
||||
nema17_motor_length = 45;
|
||||
//no need to tinker with
|
||||
rods_spacing = abs((linear_bearing_r+linear_bearing_spacig/2)-(base_width - (linear_bearing_r+linear_bearing_spacig/2)));
|
||||
|
|
@ -0,0 +1,110 @@
|
|||
include <settings.scad>;
|
||||
include <y_end1.scad>;
|
||||
|
||||
motor_mount_thickness = 6;
|
||||
motor_mount_support_thickness = 4;
|
||||
threaded_rods_r = 5.1;
|
||||
|
||||
nema17_width = 43;
|
||||
nema17_center_hole_r = 24.5/2;
|
||||
nema17_mount_hole_r = 3.5/2;
|
||||
nema17_mount_holes_spacing = 31.2;
|
||||
mount_width = nema17_width+3;
|
||||
|
||||
// print two same pieces
|
||||
//x_end();
|
||||
|
||||
|
||||
module x_end() {
|
||||
difference()
|
||||
{
|
||||
y_end(false);
|
||||
//belt hole
|
||||
translate([0,-block_width/2,wall_tickness/2+screw_hole_dia/2])
|
||||
{
|
||||
translate([0,belt_width+block_width/2+rods_r-1,0])
|
||||
|
||||
cube([belt_bearing_dia+10, belt_width*2, wall_tickness*2],center=true);
|
||||
|
||||
}
|
||||
}
|
||||
//motor mount
|
||||
translate([0,3,wall_tickness])
|
||||
rotate([90,0,0])
|
||||
{
|
||||
motor_mount(motor_mount_thickness);
|
||||
// motor mount supports
|
||||
for(mul = [1,-1])
|
||||
translate([mul * (mount_width/2 + motor_mount_support_thickness/2-1),0,0]) rotate([0,-90,0])
|
||||
linear_extrude(height = motor_mount_support_thickness, center = true, convexity = 10, twist = 0)
|
||||
polygon(points=[[0,0],[mount_width/1.5,0],[motor_mount_thickness,mount_width/1.5],[0,mount_width/1.5]], paths=[[0,1,2,3]]);
|
||||
}
|
||||
//main block
|
||||
translate([-block_length/2, -nema17_motor_length-rods_r, 0])
|
||||
{
|
||||
difference()
|
||||
{
|
||||
//threaded rods holes
|
||||
cube([block_length, nema17_motor_length, wall_tickness]);
|
||||
translate([block_length/2,threaded_rods_r*2,0])
|
||||
{
|
||||
translate([0, nema17_motor_length/2-threaded_rods_r, 0])
|
||||
cylinder(r=nema17_motor_length/3, h=wall_tickness);
|
||||
for(mul = [1,-1])
|
||||
translate([mul*(block_length/2-threaded_rods_r*2),0,0])
|
||||
cylinder(r=threaded_rods_r, h=wall_tickness);
|
||||
}
|
||||
}
|
||||
}
|
||||
//legs
|
||||
for(mul = [1,-1])
|
||||
translate([mul*(block_length/2+mouting_screw_hole_dia*2),-mount_width-rods_r-4,0])
|
||||
scale([-mul,1,1])
|
||||
difference()
|
||||
{
|
||||
leg_width = 30;
|
||||
leg_height = 8;
|
||||
cube([leg_width,leg_height,wall_tickness]);
|
||||
{
|
||||
translate([leg_width,-3,0]) cylinder(r=leg_height, h=wall_tickness);
|
||||
translate([mouting_screw_hole_dia,leg_height+1,wall_tickness/2])
|
||||
rotate([90,0,0])
|
||||
screw_hole(mouting_screw_hole_dia, leg_height+10,true);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
module motor_mount(mount_height=5)
|
||||
{
|
||||
translate([0,mount_width/2,0])
|
||||
difference()
|
||||
{
|
||||
translate([-mount_width/2,-mount_width/2,0])
|
||||
{
|
||||
//one side rounded corners block
|
||||
hull(){
|
||||
round_r = 8;
|
||||
for(xpos = [round_r, mount_width-round_r])
|
||||
translate([xpos,mount_width-round_r+2,0])
|
||||
cylinder(r=round_r, h=mount_height);
|
||||
cube([mount_width,mount_width/2,mount_height]);
|
||||
}
|
||||
}
|
||||
//main hole
|
||||
hull()
|
||||
{
|
||||
for(offset = [0,3])
|
||||
translate([0,offset,0])
|
||||
cylinder(r=nema17_center_hole_r, h=mount_height);
|
||||
}
|
||||
//screws holes
|
||||
for(pos = [[1,1,0],[-1,1,0],[1,-1,0],[-1,-1,0]])
|
||||
translate(nema17_mount_holes_spacing/2*pos)
|
||||
hull(){
|
||||
for(offset = [0,3])
|
||||
translate([0,offset,0])
|
||||
cylinder(r=nema17_mount_hole_r, h=10, $fn=8);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,111 @@
|
|||
include <settings.scad>;
|
||||
|
||||
wall_tickness = mouting_screw_hole_dia*2+5;
|
||||
|
||||
rod_mount_thickness = 6;
|
||||
|
||||
//y_end1();
|
||||
|
||||
|
||||
block_length = rods_spacing+2*rods_r+2*rod_mount_thickness;
|
||||
block_width = 2*rods_r+2*rod_mount_thickness+mouting_screw_hole_dia*1.5;
|
||||
module y_end(with_enforcement = true)
|
||||
{
|
||||
difference(){
|
||||
hull(){
|
||||
roundedRect([block_length, block_width, wall_tickness], rod_mount_thickness, $fn = 12);
|
||||
if(with_enforcement)
|
||||
translate([0,-block_width/2,wall_tickness])rotate([-90,0,0])
|
||||
cylinder(r=screw_hole_dia, h = block_width/2+rod_mount_thickness);
|
||||
}
|
||||
{
|
||||
//rods holes
|
||||
for(mul = [-1,1])
|
||||
translate([rods_spacing/2*mul, 0,0]) {
|
||||
cylinder(r=rods_r, h=wall_tickness);
|
||||
translate([-1, rods_r-0.2,-1])
|
||||
cube([2, wall_tickness+rods_r, wall_tickness+10]);
|
||||
}
|
||||
//rods screws
|
||||
for(mul=[1,-1])
|
||||
translate([-mul*block_length/2,rods_r+4,wall_tickness/2])rotate([0,mul*90,0])
|
||||
{
|
||||
screw_hole(mouting_screw_hole_dia, rods_r*2+rod_mount_thickness+8);
|
||||
translate([0,0,rods_r*2+rod_mount_thickness+3]){
|
||||
translate([-mouting_screw_hole_dia*0.85,0,0])cube([mouting_screw_hole_dia*1.7,block_width/2,3]);
|
||||
rotate([0,0,30])cylinder(r=mouting_screw_hole_dia*0.95, h=3, $fn=6);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
module y_end1()
|
||||
{
|
||||
difference(){
|
||||
y_end();
|
||||
//bearing hole
|
||||
translate([0,-block_width/2,wall_tickness/2+screw_hole_dia/2])
|
||||
{
|
||||
rotate([-90,0,0])screw_hole(screw_hole_dia, wall_tickness+10,true);
|
||||
|
||||
translate([0,belt_width+block_width/2+rods_r-1,0])
|
||||
difference(){
|
||||
cube([belt_bearing_dia+10, belt_width*2, wall_tickness*2],center=true);
|
||||
//bearing support
|
||||
translate([0,-belt_width+2,0])rotate([90,0,0])
|
||||
cylinder(r=screw_hole_dia, h=2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
module y_end11()
|
||||
{
|
||||
block_length = rods_spacing+2*rods_r+2*rod_mount_thickness;
|
||||
block_width = 2*rods_r+2*rod_mount_thickness+mouting_screw_hole_dia*1.5;
|
||||
difference(){
|
||||
hull(){
|
||||
roundedRect([block_length, block_width, wall_tickness], rod_mount_thickness, $fn = 12);
|
||||
|
||||
|
||||
translate([0,-block_width/2,wall_tickness])rotate([-90,0,0])
|
||||
cylinder(r=screw_hole_dia, h = block_width/2+rod_mount_thickness);
|
||||
}
|
||||
{
|
||||
//rods holes
|
||||
for(mul = [-1,1])
|
||||
translate([rods_spacing/2*mul, 0,0]) {
|
||||
cylinder(r=rods_r, h=wall_tickness);
|
||||
translate([-1, rods_r-0.2,-1])
|
||||
cube([2, wall_tickness+rods_r, wall_tickness+10]);
|
||||
}
|
||||
//bearing hole
|
||||
translate([0,-block_width/2,wall_tickness/2+screw_hole_dia/2])
|
||||
{
|
||||
rotate([-90,0,0])screw_hole(screw_hole_dia, wall_tickness+10,true);
|
||||
|
||||
translate([0,belt_width+block_width/2+rods_r-1,0])
|
||||
difference(){
|
||||
cube([belt_bearing_dia+10, belt_width*2, wall_tickness*2],center=true);
|
||||
//bearing support
|
||||
translate([0,-belt_width+3,0])rotate([90,0,0])
|
||||
cylinder(r=screw_hole_dia, h=3);
|
||||
}
|
||||
}
|
||||
//rods screws
|
||||
for(mul=[1,-1])
|
||||
translate([-mul*block_length/2,rods_r+4,wall_tickness/2])rotate([0,mul*90,0])
|
||||
{
|
||||
screw_hole(mouting_screw_hole_dia, rods_r*2+rod_mount_thickness+8);
|
||||
translate([0,0,rods_r*2+rod_mount_thickness+3]){
|
||||
translate([-mouting_screw_hole_dia*0.90,0,0])cube([mouting_screw_hole_dia*1.8,block_width/2,3]);
|
||||
rotate([0,0,30])cylinder(r=mouting_screw_hole_dia, h=3, $fn=6);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
include <settings.scad>;
|
||||
include <y_end1.scad>;
|
||||
include <Belt_Generator.scad>;
|
||||
|
||||
//y_end2();
|
||||
|
||||
tool_mount_holes_spacing = 40;
|
||||
|
||||
module y_end2()
|
||||
{
|
||||
difference(){
|
||||
y_end(false);
|
||||
//belt clamp screw hole
|
||||
translate([0,block_width/2-mouting_screw_hole_dia-1,wall_tickness])
|
||||
scale([1,1,-1]) screw_hole(mouting_screw_hole_dia, wall_tickness);
|
||||
//belt groove
|
||||
translate([0,-block_width/2, 0])
|
||||
{
|
||||
for(mul = [-1,1])
|
||||
translate([(belt_bearing_dia/2+1)*mul,rods_r+block_width/2+1,wall_tickness])
|
||||
{
|
||||
//groove round
|
||||
translate([mul*1,0,-wall_tickness])rotate([-90,0,0])
|
||||
scale([mul,1,1])cylinder(r=1.7, h= wall_tickness, $fn = 4);
|
||||
//cube([4,4,wall_tickness]);
|
||||
//cube([belt_bearing_dia+10, belt_width*2, wall_tickness*2],center=true);
|
||||
rotate([0,90,90]) scale([1,1.3*mul,1])
|
||||
belting("straight",belt_profile, belt_length = 50, belting_width = belt_width );
|
||||
}
|
||||
//tool mount screw holes
|
||||
for(mul = [1,-1])
|
||||
translate([mul*tool_mount_holes_spacing/2,mouting_screw_hole_dia*2,wall_tickness])
|
||||
scale([1,1,-1])
|
||||
screw_hole(mouting_screw_hole_dia, wall_tickness,true);
|
||||
}
|
||||
}
|
||||
}
|
||||
Ładowanie…
Reference in New Issue