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Merge branch 'jeroenrnl-nuthousing'
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libtest.png
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@ -279,6 +279,9 @@ translate([x0, pulleys_y])
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translate([x0, leadnuts_y])
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leadnuts();
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translate([x0 + 120, leadnuts_y])
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leadnuthousings();
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translate([x0, linear_bearings_y]) {
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linear_bearings();
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rods();
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18
readme.md
18
readme.md
@ -1650,6 +1650,16 @@ Nuts for leadscrews.
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| `leadnut_od(type)` | Outer diameter of the shank |
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| `leadnut_pitch(type)` | Screw pitch |
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| `leadnut_screw(type)` | The type of the fixing screws |
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| `leadnuthousing_height(type)` | Height of housing |
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| `leadnuthousing_hole_pos(type)` | Offset from center for nut hole |
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| `leadnuthousing_length(type)` | Length of housing |
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| `leadnuthousing_mount_screw(type)` | Mounting screw |
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| `leadnuthousing_mount_screw_len(type)` | Mounting screw length |
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| `leadnuthousing_nut(type)` | Nut type this is suitable for |
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| `leadnuthousing_nut_screw_length(type)` | Length of mounting screw for nut |
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| `leadnuthousing_screw_dist_l(type)` | Distance between mounting holes length |
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| `leadnuthousing_screw_dist_w(type)` | Distance between mounting holes width |
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| `leadnuthousing_width(type)` | Width of housing |
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### Functions
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| Function | Description |
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@ -1661,15 +1671,21 @@ Nuts for leadscrews.
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|:--- |:--- |
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| `leadnut(type)` | Draw specified leadnut |
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| `leadnut_screw_positions(type)` | Position children at the screw holes |
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| `leadnuthousing(type)` | Nut housing, to connect a lead nut to another object |
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| `leadnuthousing_nut_position(type)` | The position of the nut may be off-center, use this to get the position |
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| `leadnuthousing_nut_screw_positions(type)` | get screw positions to mount the nut to the nut housing |
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| `leadnuthousing_screw_positions(type)` | Get screw positions to mount the leadnut housing |
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![leadnuts](tests/png/leadnuts.png)
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### Vitamins
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| Qty | Module call | BOM entry |
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| ---:|:--- |:---|
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| 1 | `leadnut(LSN8x2)` | Leadscrew nut 8 x 2 |
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| 1 | `nuthousing(LNHT8x2)` | Lead Screw Nut Housing T8 |
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| 2 | `leadnut(LSN8x2)` | Leadscrew nut 8 x 2 |
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| 1 | `leadnut(LSN8x8)` | Leadscrew nut 8 x 8 RobotDigg |
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| 1 | `leadnut(SFU1610)` | Leadscrew nut for SFU1610 |
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| 4 | `screw(M3_cap_screw, 15)` | Screw M3 cap x 15mm |
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<a href="#top">Top</a>
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@ -25,6 +25,26 @@ module leadnuts()
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layout([for(n = leadnuts) leadnut_flange_dia(n)], 5)
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leadnut(leadnuts[$i]);
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module leadnuthousings()
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layout([for(n = leadnuthousings) leadnuthousing_width(n)], 5) {
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rotate([0,0,270]) {
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leadnuthousing(leadnuthousings[$i]);
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explode(15)
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leadnuthousing_nut_position(leadnuthousings[$i])
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leadnut(leadnuthousing_nut(leadnuthousings[$i]));
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explode(17 + leadnuthousing_nut_screw_length(leadnuthousings[$i]))
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translate_z(leadnuthousing_height(leadnuthousings[$i])/2)
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leadnuthousing_nut_screw_positions(leadnuthousings[$i])
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screw(leadnut_screw(
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leadnuthousing_nut(leadnuthousings[$i])),
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leadnuthousing_nut_screw_length(leadnuthousings[$i])
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);
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}
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}
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if($preview)
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let($show_threads = true)
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let($show_threads = true) {
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leadnuts();
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translate([0,50,0])
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leadnuthousings();
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}
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@ -23,6 +23,7 @@
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include <../utils/core/core.scad>
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use <../utils/tube.scad>
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use <../utils/thread.scad>
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use <../vitamins/screw.scad>
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function leadnut_bore(type) = type[2]; //! Thread size
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function leadnut_od(type) = type[3]; //! Outer diameter of the shank
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@ -41,6 +42,17 @@ function leadnut_colour(type) = type[15]; //! The colour
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function leadnut_shank(type) = leadnut_height(type) - leadnut_flange_t(type) - leadnut_flange_offset(type); //! The length of the shank below the flange
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function leadnuthousing_length(type) = type[2]; //! Length of housing
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function leadnuthousing_width(type) = type[3]; //! Width of housing
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function leadnuthousing_height(type) = type[4]; //! Height of housing
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function leadnuthousing_hole_pos(type) = type[5]; //! Offset from center for nut hole
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function leadnuthousing_screw_dist_l(type) = type[6]; //! Distance between mounting holes length
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function leadnuthousing_screw_dist_w(type) = type[7]; //! Distance between mounting holes width
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function leadnuthousing_mount_screw(type) = type[8]; //! Mounting screw
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function leadnuthousing_mount_screw_len(type) = type[9]; //! Mounting screw length
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function leadnuthousing_nut(type) = type[10]; //! Nut type this is suitable for
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function leadnuthousing_nut_screw_length(type) = type[11]; //! Length of mounting screw for nut
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module leadnut_screw_positions(type) { //! Position children at the screw holes
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holes = leadnut_holes(type);
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flat = leadnut_flat(type);
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@ -87,3 +99,58 @@ module leadnut(type) { //! Draw specified leadnut
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}
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}
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}
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module leadnuthousing_screw_positions(type) { //! Get screw positions to mount the leadnut housing
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for(p = [[-1,-1], [1,-1], [1,1], [-1,1]])
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translate([p.x * leadnuthousing_screw_dist_l(type)/2, p.y * leadnuthousing_screw_dist_w(type)/2, 0])
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children();
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}
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module leadnuthousing_nut_position(type) { //! The position of the nut may be off-center, use this to get the position
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translate([leadnuthousing_hole_pos(type),0, leadnuthousing_height(type)/2])
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children();
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}
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module leadnuthousing_nut_screw_positions(type) { //! get screw positions to mount the nut to the nut housing
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translate([leadnuthousing_hole_pos(type),0, 0])
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leadnut_screw_positions(leadnuthousing_nut(type))
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children();
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}
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module leadnuthousing(type) { //! Nut housing, to connect a lead nut to another object
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vitamin(str("nuthousing(", type[0], "): ", type[1]));
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leadnut = leadnuthousing_nut(type);
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screw = leadnut_screw(leadnut);
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d = screw_radius(screw) * 2;
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p = metric_coarse_pitch(d);
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sl = leadnuthousing_nut_screw_length(type);
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ms = leadnuthousing_mount_screw(type);
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msl = leadnuthousing_mount_screw_len(type);
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md = screw_radius (ms) * 2;
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mp = metric_coarse_pitch(md);
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color("silver")
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difference() {
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cube([leadnuthousing_length(type), leadnuthousing_width(type), leadnuthousing_height(type)], center = true);
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translate([leadnuthousing_hole_pos(type),0,0]) {
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cylinder(d=leadnut_od(leadnut), h=leadnuthousing_length(type)+2, center=true);
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translate_z(leadnut_flange_offset(leadnut))
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leadnut_screw_positions(leadnut)
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cylinder(r=screw_radius(leadnut_screw(leadnut)), h=sl+1);
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}
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rotate([0,90,0])
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leadnuthousing_screw_positions(type)
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cylinder(r=screw_radius(ms), h=msl+1);
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}
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if(show_threads) {
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translate([leadnuthousing_hole_pos(type),0,leadnuthousing_height(type)/2 - sl/2 - leadnut_flange_t(leadnut)])
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leadnut_screw_positions(leadnut)
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female_metric_thread(d, p, sl, center = true, colour = silver);
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rotate([0,90,0])
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translate_z(msl/2)
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leadnuthousing_screw_positions(type)
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female_metric_thread(md, mp, msl, center = true, colour = silver);
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}
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}
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@ -29,5 +29,9 @@ LSN8x8 = ["LSN8x8", "Leadscrew nut 8 x 8 RobotDigg", 8, 12.75,19, 25.4, 4.1, 0
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SFU1610 = ["SFU1610", "Leadscrew nut for SFU1610", 16, 28, 42.5, 48, 10, 0, 6, 6, 38/2, M6_cap_screw, 5, 10, 40, "#DFDAC5"];
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leadnuts = [LSN8x2, LSN8x8, SFU1610];
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// L W H Hole Mounting screws (top) Nut Nut mount screw
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// Pos Dist L Dist W Type L Length
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LNHT8x2 = [ "LNHT8x2", "Lead Screw Nut Housing T8", 30, 34, 30, -1, 20, 24, M4_cs_cap_screw, 15, LSN8x2, 15 ];
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leadnuthousings = [LNHT8x2];
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use <leadnut.scad>
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