steppers - nortd/lasersaur GitHub Wiki
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Note: We have been switching stepper motors quite a bit over the version number. Make sure to double-check the part numbers accordingly.
Oriental Motors Steppers
x-drive
- PKP244D15A-L, search link (Americas)
- PKP244D15A2, search link (Europe)
- Nema 17 (mounts with M3 screws, square with 31mm, shaft dia: 5mm dia)
- holding torque 0.48 N-m
- weight 300g
- shaft length 20.0mm
- body length 39mm
- current (bipolar, series) 1.5A
- Wiring
- A -> red
- A' -> blue
- B -> black
- B' -> green
- all others disconnected
y-drive
- PKP266D28AA-L, search link (Americas)
- PKP266D28A2, search link (Europe)
- Nema 23 (mounts with M5 screws, square with 47.2mm, shaft dia: 6.35mm dia)
- holding torque 1.4 N-m
- weight 700g
- shaft length 90.0mm (tip front to tip rear shaft)
- current (bipolar, series) 2.8A
- Wiring
- A -> red
- A' -> blue
- B -> black
- B' -> green
- all others disconnected
Oriental Motors Steppers (OLD)
x-drive
- PKE244A-L
- Nema 17 (mounts with M3 screws, square with 31mm, shaft dia: 5mm dia)
- holding torque 0.39 N-m
- weight 300g
- shaft length 20.0mm
- body length 39mm
- current (bipolar, series) 1.2A
- Wiring
- A -> red
- A' -> blue
- B -> black
- B' -> green
- all others disconnected
y-drive
- PK266-03A
- Nema 23 (mounts with M5 screws, square with 47.2mm, shaft dia: 6.35mm dia)
- holding torque 1.17 N-m
- weight 700g
- shaft length 90.0mm (tip front to tip rear shaft)
- current (bipolar, series) 2.1A
- Wiring
- A -> red
- A' -> blue
- B -> black
- B' -> green
- all others disconnected
Nanotec Steppers (ALTERNATIVE SOURCE)
x-drive
- ST4118M1206-A, data sheet
- Nema 17 (mounts with M3 screws, square with 31mm, shaft dia: 5mm dia)
- holding torque 0.4 N-m (56 oz-in)
- weight 240g (0.5 lbs)
- shaft length 24mm
- current (bipolar series) 0.85A
- Vmax = 32 * sqrt(11.6) = 109V
- Amax = 0.67 * 0.85 = 0.57A (required power supply)
- Wiring
- A -> orange
- A' -> brown
- B -> red
- B' -> yellow
- all others disconnected
y-drive
- ST5918M3008-B, data sheet
- Nema 23 (mounts with M5 screws, square with 47.2mm, shaft dia: 6.35mm dia)
- holding torque 1.1 N-m (156 oz-in)
- weight 650g (01.43 lbs)
- shaft length 90.1mm (tip front to tip rear shaft)
- current (bipolar, series) 2.1A
- Vmax = 32 * sqrt(4.4) = 67V
- Amax = 0.67 * 2.1 = 1.4A (required power supply)
- Wiring
- A -> green
- A' -> black
- B -> red
- B' -> blue
- red-white -> blue-white
- black-white -> green-white
Driveboard Stepper Connections
- A ... wgr,wor on patch cable, pin 1,3 on modular jack
- A' ... gr,or on patch cable, pin 2,6 on modular jack
- B ... bl,br on patch cable, pin 4,8 on modular jack
- B' ... wbl,wbr on patch cable, pin 7,5 on modular jack
Other Info
- 1 N-m is about 141.6 oz-in
- 1 N-m is about 10 kg-cm
- Stepper Sizing Tool
- on average dynamic torque is approximately 70% of holding torque
- Nema 17, ~42mm square, 30mm square mounts, M3
- Nema 23, ~56.4mm square, 47.2mm square mounts, M5
- wiring of lin steppers