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reprap:anet:a8:steppermotor [2017/03/05 15:27] – created lukeskymuh | reprap:anet:a8:steppermotor [2020/03/06 08:27] – SI standard requires a space between value and unit 0scar | ||
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=====Stepper Motor===== | =====Stepper Motor===== | ||
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+ | The stepper motors used in Anet A8-B (as bought in May 2016) are NEMA 17 SL42STH40-1684A produced by Guangzhou Shenglong Motor Co., Ltd. Here is the [[https:// | ||
+ | |||
+ | The SL42STH40-1684A motor specs are: | ||
+ | |||
+ | * Step Angle: 1.8° | ||
+ | * Step Angle Accuracy: ±5 % (full step, no load) | ||
+ | * Voltage: 2.8 V | ||
+ | * Current per phase: 1.68 A | ||
+ | * Resistance per phase: 1.65 Ω | ||
+ | * Resistance accuracy: ±10 % | ||
+ | * Inductance per phase: 3.2 mH | ||
+ | * Inductance accuracy: ±20 % | ||
+ | * Holding torque: 3.6 kg·cm (0.4 N·m) | ||
+ | * Moment of inertia: 54 g/cm^2 | ||
+ | * Weight: 0.28 kg | ||
+ | * Orientation torque: 150 g/cm | ||
+ | * Length: 40 mm | ||
+ | * Temperature rise: 80 °C max (rated current, 2 phases on) | ||
+ | * Ambient temperature: | ||
+ | * Insulation resistance: 100 MΩ min, 500 VDC | ||
+ | * Shaft radial play: 0.02 mm max (450 g load) | ||
+ | * Shaft axial play: 0.08 mm max (450 g load) | ||
+ | * Max. radial force: 28 N (20 mm from the flange) | ||
+ | * Max. axial force: 10 N | ||
+ | |||
+ | ---- | ||
+ | Here is the old text: | ||
The anet A8 uses Nema17 size stepper motors generic information about these motors can be found [[http:// | The anet A8 uses Nema17 size stepper motors generic information about these motors can be found [[http:// | ||
- | Unfortunatly | + | Unfortunately |
Current: | Current: | ||
^current^voltageDRV8825^Result^ | ^current^voltageDRV8825^Result^ | ||
- | |1.4A|0.75V|working for x,y and z axis| | + | |1.4 A|0.75 V|working for x,y and z axis| |
- | |1.6A|0.8V|working for extruder| | + | |1.6 A|0.8 V|working for extruder| |
- | |2A|1.0V|working but motor got so hot that acrlyc soport | + | |2 A|1.0 V|working but motor got so hot that acrylic support |