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reprap:anet:a8:steppermotor [2017/03/17 17:30] – frol | reprap:anet:a8:steppermotor [2021/06/06 18:04] (current) – external edit 127.0.0.1 | ||
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=====Stepper Motor===== | =====Stepper Motor===== | ||
+ | The stepper motors used in Anet A8 (as bought in may 2018) are NEMA 17 42SHDC3025-24B. Here is [[https:// | ||
- | The stepper motors used in Anet A8 (as bought in May 2016) are NEMA 17 SL42STH40-1684A produced by Guangzhou Shenglong Motor Co., Ltd. Here is the [[https:// | + | The 42SHDC3025-24B motor specs are : |
+ | |||
+ | * Stepper Motor 42SHDC3025-24B | ||
+ | * Rated Power 14W | ||
+ | * Rated Voltage | ||
+ | * Rated Current | ||
+ | * Rated Speed 1000rpm | ||
+ | * Rated Torque | ||
+ | * Holding Torque | ||
+ | * Step Angle 1.8° | ||
+ | * Step Angle Accuracy ±5% | ||
+ | * Phase 2 | ||
+ | * Resistance | ||
+ | * Temperature Rise 80K Max | ||
+ | * Ambient Temperature -20℃~+50℃ | ||
+ | * Ambient Humidity | ||
+ | * Insulation Resistance | ||
+ | * Size 42*42*40(mm) | ||
+ | * Weight | ||
+ | |||
+ | ---- | ||
+ | The stepper motors used in earlier | ||
The SL42STH40-1684A motor specs are: | The SL42STH40-1684A motor specs are: | ||
* Step Angle: 1.8° | * Step Angle: 1.8° | ||
- | * Step Angle Accuracy: ±5% (full step, no load) | + | * Step Angle Accuracy: ±5 % (full step, no load) |
- | * Voltage: 2.8V | + | * Voltage: 2.8 V |
- | * Current per phase: 1.68A | + | * Current per phase: 1.68 A |
- | * Resistance per phase: 1.65Ω | + | * Resistance per phase: 1.65 Ω |
- | * Resistance accuracy: ±10% | + | * Resistance accuracy: ±10 % |
- | * Inductance per phase: 3.2mH | + | * Inductance per phase: 3.2 mH |
- | * Inductance accuracy: ±20% | + | * Inductance accuracy: ±20 % |
- | * Holding torque: 3.6 Kg·cm | + | * Holding torque: 3.6 kg·cm |
* Moment of inertia: 54 g/cm^2 | * Moment of inertia: 54 g/cm^2 | ||
* Weight: 0.28 kg | * Weight: 0.28 kg | ||
* Orientation torque: 150 g/cm | * Orientation torque: 150 g/cm | ||
* Length: 40 mm | * Length: 40 mm | ||
- | * Temperature rise: 80°C max (rated current, 2 phases on) | + | * Temperature rise: 80 °C max (rated current, 2 phases on) |
- | * Ambient temperature: | + | * Ambient temperature: |
- | * Insulation resistance: | + | * Insulation resistance: |
- | * Shaft radial play: 0.02 mm max (450g load) | + | * Shaft radial play: 0.02 mm max (450 g load) |
- | * Shaft axial play: 0.08 mm max (450g load) | + | * Shaft axial play: 0.08 mm max (450 g load) |
- | * Max. radial force: | + | * Max. radial force: |
- | * Max. axial force: | + | * Max. axial force: |
---- | ---- | ||
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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 | + | |2 A|1.0 V|working but motor got so hot that acrylic |