NEMA 17 Stepper motor

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NEMA 17 Stepper motor

Vitamin

Motor-pap.png
A NEMA 17 sized stepper motor.
Wikipedia Stepper motor


another NEMA-17 size motor


A NEMA 17 stepper motor is a stepper motor with a 1.7 x 1.7 inch (43.2 x 43.2 mm) faceplate. The NEMA 17 is larger and generally heavier than for example a NEMA 14, but this also means it has more room to put a higher torque. However, its size is not an indication of its power.

Contents

Dimensions

Step motor nema 17 stepper motor.jpg


Common Stepper Motor Models

The most commonly used stepper motors in Reprap–based 3D printers are the Kysan 1124090/42BYGH4803, Rattm 17HS8401, and Wantai 42BYGHW609.

However, motors close to NEMA 17 size, with approximately the following specifications, can also work:

  • 1.5A to 1.8A current per phase
  • 1-4 volts
  • 3 to 8 mH inductance per phase
  • 44 N·cm (62oz·in, 4.5kg·cm) or more holding torque
  • 1.8 or 0.9 degrees per step (200/400 steps/rev respectively)

You are welcome to add information on any stepper motor you encounter, but please add only steppers (not other motors), which were tested to actually work on some or all printers.

Model Holding Torque Rated voltage Shaft Step angle Motor length Rated current Inductance
42HT47 44 N·cm 2.8 V Ø 5 mm Dual 1.8° 47 mm
42SHD0404-22 52 N·cm 3.84 V Ø 5 mm Single 1.8° 48 mm
42BYGH4803(SKU 1124030) 54.0 N·cm 4.2 V Ø 5 mm single 1.8° 48 mm
42BYGH4803-DC (SKU 1124090) 54.0 N·cm 4.2 V Ø 5 mm single 1.8° 48 mm
LDO-42STH47-1684A 50 N·cm 2.8 V Ø 5 mm single or dual 1.8° 47 mm 1.68A 2.8 mH
LDO-42STH47-1684AC 50 N·cm 2.8 V Ø 5 mm single or dual 1.8° 47 mm 1.68A 2.8 mH
4118S-62-07 31 N·cm   Ø 5 mm 1.8° 34 mm
17HS4417 40.0 N·cm 2.6 V Ø 5 mm single 1.8° 40 mm 1.7A 2.8 mH
SM-42BYG011-25 23.0 N·cm 12 V Ø 5 mm single 1.8° 34 mm 0.33A 46 mH[1]
17HS1011-20B 28.0 N·cm 4.8 V Ø 5 mm single 1.8° 34 mm
17HS3001-20B 40.0 N·cm 2.0 V Ø 5 mm single 1.8° 40 mm 1.2 A 4.5 mH
17HS5005-S24 44.0 N·cm 3 V Ø 5 mm double 1.8° 48 mm
17HS6002-27B 65.0 N·cm 4.05 V Ø 5 mm single flat 1.8° 60 mm
17HD2038E 45.0 N·cm   Ø 5 mm single 1.8°  
17HS19-1684S 55 N·cm 2.8 V Ø 5 mm single 1.8° 47 mm 1.68A 2.8mH
KH42JM2B087C 33 N·cm 6.7 V Ø 5 mm single 1.8° 42 mm
SY42STH47-1206A 31.1 N·cm 4.0 V Ø 5 mm single 1.8° 40 mm 1.2A 2.8 mH
SY42STH47-1504A 55.0 N·cm 2.8 V Ø 5 mm 1.8° 47 mm
SY42STH47-1684A 43.1 N·cm 2.8 V Ø 5 mm single 1.8° 48 mm
SY42STH47-1684B 43.1 N·cm 2.8 V Ø 5 mm double 1.8° 48 mm
TB35HT36-1004A 35.3 N·cm 2.8 V Ø 5 mm single 1.8° 36 mm
TB35HT36-1004B 35.3 N·cm 2.8 V Ø 5 mm double 1.8° 36 mm
QSH4218-51-049 49 N·cm   Ø 5 mm 1.8° 47 mm
42BYGH W811 47.0 N·cm 3.1 V Ø 5 mm 1.8° 48 mm 2.5A 1.8 mH
42HB34F103AB 23.5 N·cm   Ø 5 mm single 1.8° 34 mm
42SHD0412-175S 44 N·cm 2.8 V Ø 8mm mm dual L175mm 1.8º 44 mm
1704HS168A 54 N·cm 2.8 V Ø 5 mm single flat 1.8° 48 mm 1.68A 2.8mH
1703HS168A 44 N·cm 2.8 V Ø 5 mm single flat 1.8° 40 mm 1.68A 3.6mH
1704HD150AW 55 N·cm 4.2 V Ø 5 mm single flat 1.8° 48 mm
JK42HS34-1334AC 22 N·cm 2.8 V Ø 5 mm single flat 1.8° 34 mm 1.33A 2.5mH
17HS16-2004S1 45 N·cm - Ø 5 mm single flat 1.8° 40 mm 2A 2.6mH
17HS24-1206S 65 N·cm - Ø 5 mm single flat 1.8° 60 mm 1.2A 7mH
17HS6002-N27BA 65 N·cm 4.05 V Ø 5 mm single flat 1.8° 60 mm 1.5A 6.5mH

0.9° Stepper Motor Models

Model Holding Torque Rated voltage Shaft Step angle Motor length Rated current Inductance
42BYGHM809 48 N·cm 3.06 V Ø 5 mm no flat 0.9° 48 mm 1.7A 2.8mH
17HM19-2004S 46 N·cm - Ø 5 mm 0.9° 48 mm 2A 3mH

Geared stepper

Model Holding Torque Rated voltage Shaft Step angle Motor length Rated current Inductance Gear ratio
1040222 220 N·cm 2.6 V Ø 8 mm single flat 1.8° 34+27 mm 1A 3.5 mH 5.2:1
17HS1070-C5X 260 N·cm 2 V Ø 8 mm single flat 1.8° 34+27 mm 1.3A 2.4 mH 5:1
1702HS040-AWP518 260 N·cm 12 V Ø 8 mm single flat 1.8° 34+31 mm 0.4A 37 mH 5.18:1
  1. With such inductance, this stepper is incapable of any speed and is unusable for a printer, as are most very low current steppers.