metric_screws.scad
Screws, Bolts, and Nuts. To use, include the following lines at the top of your file:
include <BOSL/constants.scad>
use <BOSL/metric_screws.scad>
-
get_metric_bolt_head_size()get_metric_bolt_head_height()get_metric_socket_cap_diam()get_metric_socket_cap_height()get_metric_socket_cap_socket_size()get_metric_socket_cap_socket_depth()get_metric_iso_coarse_thread_pitch()get_metric_iso_fine_thread_pitch()get_metric_iso_superfine_thread_pitch()get_metric_jis_thread_pitch()get_metric_nut_size()get_metric_nut_thickness()
Description:
Returns the diameter of a typical metric bolt's head, based on the bolt size.
Description:
Returns the height of a typical metric bolt's head, based on the bolt size.
Description:
Returns the diameter of a typical metric socket cap bolt's head, based on the bolt size.
Description:
Returns the height of a typical metric socket cap bolt's head, based on the bolt size.
Description:
Returns the diameter of a typical metric socket cap bolt's hex drive socket, based on the bolt size.
Description:
Returns the depth of a typical metric socket cap bolt's hex drive socket, based on the bolt size.
Description:
Returns the ISO metric standard coarse threading pitch for a given bolt size.
Description:
Returns the ISO metric standard fine threading pitch for a given bolt size.
Description:
Returns the ISO metric standard superfine threading pitch for a given bolt size.
Description:
Returns the JIS metric standard threading pitch for a given bolt size.
Description:
Returns the typical metric nut flat-to-flat diameter for a given bolt size.
Description:
Returns the typical metric nut thickness for a given bolt size.
Usage:
- screw(screwsize, screwlen, headsize, headlen, [countersunk], [orient], [align])
Description: Makes a very simple screw model, useful for making screwholes.
| Argument | What it does |
|---|---|
screwsize |
diameter of threaded part of screw. |
screwlen |
length of threaded part of screw. |
headsize |
diameter of the screw head. |
headlen |
length of the screw head. |
countersunk |
If true, center from cap's top instead of it's bottom. |
orient |
Orientation of the screw. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z. |
align |
Alignment of the screw. Use the V_ constants from constants.scad or "sunken", or "base". Default: "base". |
Example 1:
screw(screwsize=3,screwlen=10,headsize=6,headlen=3,countersunk=true);
Example 2:
screw(screwsize=3,screwlen=10,headsize=6,headlen=3, align="base");
Description: Makes a standard metric screw model.
| Argument | What it does |
|---|---|
size |
Diameter of threaded part of screw. |
headtype |
One of "hex", "pan", "button", "round", "countersunk", "oval", "socket". Default: "socket"
|
l |
Length of screw, except for the head. |
shank |
Length of unthreaded portion of the shaft. |
pitch |
If given, render threads of the given pitch. If 0, then no threads. Overrides coarse argument. |
details |
If true model should be rendered with extra details. (Default: false) |
coarse |
If true, make coarse threads instead of fine threads. Default = true |
flange |
Radius of flange beyond the head. Default = 0 (no flange) |
phillips |
If given, the size of the phillips drive hole to add. (ie: "#1", "#2", or "#3") |
torx |
If given, the size of the torx drive hole to add. (ie: 10, 20, 30, etc.) |
orient |
Orientation of the bolt. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z. |
align |
Alignment of the bolt. Use the V_ constants from constants.scad or "sunken", "base", or "shank". Default: "base". |
Example 1: Bolt Head Types
ydistribute(40) {
xdistribute(30) {
// Front Row, Left to Right
metric_bolt(headtype="pan", size=10, l=15, details=true, phillips="#2");
metric_bolt(headtype="button", size=10, l=15, details=true, phillips="#2");
metric_bolt(headtype="round", size=10, l=15, details=true, phillips="#2");
}
xdistribute(30) {
// Back Row, Left to Right
metric_bolt(headtype="socket", size=10, l=15, details=true);
metric_bolt(headtype="hex", size=10, l=15, details=true, phillips="#2");
metric_bolt(headtype="countersunk", size=10, l=15, details=true, phillips="#2");
metric_bolt(headtype="oval", size=10, l=15, details=true, phillips="#2");
}
}
Example 2: Details
metric_bolt(size=10, l=15, details=true, $fn=32);
Example 3: No Details Except Threads
metric_bolt(size=10, l=15);
Example 4: No Details, No Threads
metric_bolt(size=10, l=15, pitch=0);
Example 5: Fine Threads
metric_bolt(size=10, l=15, coarse=false);
Example 6: Flange
metric_bolt(size=10, l=15, flange=5);
Example 7: Shank
metric_bolt(size=10, l=25, shank=10);
Example 8: Hex Head with Phillips
metric_bolt(headtype="hex", size=10, l=15, phillips="#2");
Example 9: Hex Head with Torx
metric_bolt(headtype="hex", size=10, l=15, torx=50);
Description: Makes a model of a standard nut for a standard metric screw.
| Argument | What it does |
|---|---|
size |
standard metric screw size in mm. (Default: 3) |
hole |
include the hole in the nut. (Default: true) |
pitch |
pitch of threads in the hole. No threads if not given. |
flange |
radius of flange beyond the head. Default = 0 (no flange) |
details |
true if model should be rendered with extra details. (Default: false) |
orient |
Orientation of the nut. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z. |
align |
Alignment of the nut. Use the V_ constants from constants.scad. Default: V_UP. |
center |
If true, centers the nut at the origin. If false, sits on top of XY plane. Overrides align if given. |
Example 1: No details, No Hole. Useful for a mask.
metric_nut(size=10, hole=false);
Example 2: Hole, with No Threads
metric_nut(size=10, hole=true);
Example 3: Threads
metric_nut(size=10, hole=true, pitch=1.5);
Example 4: Details
metric_nut(size=10, hole=true, pitch=1.5, details=true);
Example 5: Centered
metric_nut(size=10, hole=true, pitch=1.5, details=true, center=true);
Example 6: Flange
metric_nut(size=10, hole=true, pitch=1.5, flange=3, details=true);
