nema_steppers.scad

Library File nema_steppers.scad

Masks and models for NEMA stepper motors. To use, add these lines to the top of your file:

include <BOSL/constants.scad>
use <BOSL/nema_steppers.scad>

---

Table of Contents

1. Functions

   • nema_motor_width()
   • nema_motor_plinth_height()
   • nema_motor_plinth_diam()
   • nema_motor_screw_spacing()
   • nema_motor_screw_size()
   • nema_motor_screw_depth()

2. Motor Models

   • nema11_stepper()
   • nema14_stepper()
   • nema17_stepper()
   • nema23_stepper()
   • nema34_stepper()

3. Masking Modules

   • nema_mount_holes()
   • nema11_mount_holes()
   • nema14_mount_holes()
   • nema17_mount_holes()
   • nema23_mount_holes()
   • nema34_mount_holes()
   • nema34_mount_holes()

---

1. Functions

nema_motor_width()

Description: Gets width of NEMA motor of given standard size.

Argument	What it does
size	The standard NEMA motor size.

---

nema_motor_plinth_height()

Description: Gets plinth height of NEMA motor of given standard size.

Argument	What it does
size	The standard NEMA motor size.

---

nema_motor_plinth_diam()

Description: Gets plinth diameter of NEMA motor of given standard size.

Argument	What it does
size	The standard NEMA motor size.

---

nema_motor_screw_spacing()

Description: Gets screw spacing of NEMA motor of given standard size.

Argument	What it does
size	The standard NEMA motor size.

---

nema_motor_screw_size()

Description: Gets mount screw size of NEMA motor of given standard size.

Argument	What it does
size	The standard NEMA motor size.

---

nema_motor_screw_depth()

Description: Gets mount screwhole depth of NEMA motor of given standard size.

Argument	What it does
size	The standard NEMA motor size.

---

2. Motor Models

nema11_stepper()

Description: Creates a model of a NEMA 11 stepper motor.

Argument	What it does
h	Length of motor body. Default: 24mm
shaft	Shaft diameter. Default: 5mm
shaft_len	Length of shaft protruding out the top of the stepper motor. Default: 20mm
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_DOWN.

Example:

nema11_stepper();

---

nema14_stepper()

Description: Creates a model of a NEMA 14 stepper motor.

Argument	What it does
h	Length of motor body. Default: 24mm
shaft	Shaft diameter. Default: 5mm
shaft_len	Length of shaft protruding out the top of the stepper motor. Default: 24mm
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_DOWN.

Example:

nema14_stepper();

---

nema17_stepper()

Description: Creates a model of a NEMA 17 stepper motor.

Argument	What it does
h	Length of motor body. Default: 34mm
shaft	Shaft diameter. Default: 5mm
shaft_len	Length of shaft protruding out the top of the stepper motor. Default: 20mm
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_DOWN.

Example:

nema17_stepper();

---

nema23_stepper()

Description: Creates a model of a NEMA 23 stepper motor.

Argument	What it does
h	Length of motor body. Default: 50mm
shaft	Shaft diameter. Default: 6.35mm
shaft_len	Length of shaft protruding out the top of the stepper motor. Default: 25mm
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_DOWN.

Example:

nema23_stepper();

---

nema34_stepper()

Description: Creates a model of a NEMA 34 stepper motor.

Argument	What it does
h	Length of motor body. Default: 75mm
shaft	Shaft diameter. Default: 12.7mm
shaft_len	Length of shaft protruding out the top of the stepper motor. Default: 32mm
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_DOWN.

Example:

nema34_stepper();

---

3. Masking Modules

nema_mount_holes()

Description: Creates a mask to use when making standard NEMA stepper motor mounts.

Argument	What it does
size	The standard NEMA motor size to make a mount for.
depth	The thickness of the mounting hole mask. Default: 5
l	The length of the slots, for making an adjustable motor mount. Default: 5
slop	The printer-specific slop value to make parts fit just right. Default: PRINTER_SLOP
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_CENTER.

Example 1:

nema_mount_holes(size=14, depth=5, l=5);

Example 2:

nema_mount_holes(size=17, depth=5, l=5);

Example 3:

nema_mount_holes(size=17, depth=5, l=0);

---

nema11_mount_holes()

Description: Creates a mask to use when making NEMA 11 stepper motor mounts.

Argument	What it does
depth	The thickness of the mounting hole mask. Default: 5
l	The length of the slots, for making an adjustable motor mount. Default: 5
slop	The printer-specific slop value to make parts fit just right. Default: PRINTER_SLOP
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_CENTER.

Example 1:

nema11_mount_holes(depth=5, l=5);

Example 2:

nema11_mount_holes(depth=5, l=0);

---

nema14_mount_holes()

Description: Creates a mask to use when making NEMA 14 stepper motor mounts.

Argument	What it does
depth	The thickness of the mounting hole mask. Default: 5
l	The length of the slots, for making an adjustable motor mount. Default: 5
slop	The printer-specific slop value to make parts fit just right. Default: PRINTER_SLOP
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_CENTER.

Example 1:

nema14_mount_holes(depth=5, l=5);

Example 2:

nema14_mount_holes(depth=5, l=0);

---

nema17_mount_holes()

Description: Creates a mask to use when making NEMA 17 stepper motor mounts.

Argument	What it does
depth	The thickness of the mounting hole mask. Default: 5
l	The length of the slots, for making an adjustable motor mount. Default: 5
slop	The printer-specific slop value to make parts fit just right. Default: PRINTER_SLOP
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_CENTER.

Example 1:

nema17_mount_holes(depth=5, l=5);

Example 2:

nema17_mount_holes(depth=5, l=0);

---

nema23_mount_holes()

Description: Creates a mask to use when making NEMA 23 stepper motor mounts.

Argument	What it does
depth	The thickness of the mounting hole mask. Default: 5
l	The length of the slots, for making an adjustable motor mount. Default: 5
slop	The printer-specific slop value to make parts fit just right. Default: PRINTER_SLOP
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_CENTER.

Example 1:

nema23_mount_holes(depth=5, l=5);

Example 2:

nema23_mount_holes(depth=5, l=0);

---

nema34_mount_holes()

Description: Creates a mask to use when making NEMA 34 stepper motor mounts.

Argument	What it does
depth	The thickness of the mounting hole mask. Default: 5
l	The length of the slots, for making an adjustable motor mount. Default: 5
slop	The printer-specific slop value to make parts fit just right. Default: PRINTER_SLOP
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_CENTER.

Example 1:

nema34_mount_holes(depth=5, l=5);

Example 2:

nema34_mount_holes(depth=5, l=0);

---

nema34_mount_holes()

Description: Creates a mask to use when making NEMA 34 stepper motor mounts.

Argument	What it does
depth	The thickness of the mounting hole mask. Default: 5
l	The length of the slots, for making an adjustable motor mount. Default: 5
slop	The printer-specific slop value to make parts fit just right. Default: PRINTER_SLOP
orient	Orientation of the stepper. Use the ORIENT_ constants from constants.scad. Default: ORIENT_Z.
align	Alignment of the stepper. Use the V_ constants from constants.scad. Default: V_CENTER.

Example 1:

nema34_mount_holes(depth=5, l=5);

Example 2:

nema34_mount_holes(depth=5, l=0);

---