20mm Stepper Ball Screw Linear Actuator
The Size 8 [20mm] External Stepper Ball Screw Linear Actuator.Various screw end machining and encoder options are available.
Motor Characteristics
| Model No. | Rated Voltage[V] | Current[A] | Resistance[Ω] | Inductance[mH] | Lead Wire No. | Motor Length "L"[mm] |
|---|---|---|---|---|---|---|
| 8E2105 | 2.55 | 0.5 | 5.1 | 1.5 | 4 | 27.2 |
| 8E2205 | 4.4 | 0.5 | 8.8 | 2.7 | 4 | 38.1 |
Ball Screw Specification
| Ball screw type | 0401 | 0402 |
|---|---|---|
| Ball Size | Ф0.8 | Ф0.8 |
| Number of thread | 1 | 1 |
| Thread direction | Right | |
| Shaft root dia. | Ф3.3 | |
| Number of circuit | 3.7×1 | 2.7×1 |
| Shaft, nut material | SCM415H | |
| Surface hardness | HRC58~62 | |
| Anti-rust treatment | Anti-rust oil | |
| Grade | C7 | |
| Nut size | A | B | C | D | H | W | X | Position accuracy | Total run out | Axial play | Dynamic load[N] | Static load[N] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BS0401 | 23 | 4 | 17 | 11 | 15 | 17 | 3.4 | ±0.05 | 0.12 | ≤0.03 | 560 | 790 |
| BS0402 | 23 | 4 | 19 | 11 | 15 | 17 | 3.4 | ±0.05 | 0.12 | ≤0.03 | 420 | 570 |
* The unit of Position accuracy, Total run out and Axial play is [mm].
Dimensional Drawings
Speed Thrust Curves
Single Stack
Double Stack
Options
Screw End Machining
Encoder Option
Resolution(CPR) 100 108 120 125 128 200 250 256 Single ended output 0 1 2 3 4 5 6 7 Differential output A B C D E F G H Resolution(CPR) 300 360 400 500 1000 512 720 800 Single ended output 8 9 10 11 12 13 14 15 Differential output I J K L M N O P
Resolution(CPR) 360 500 512 1000 1024 2000 2048 Single ended output 0 1 2 3 4 5 6 Differential output A B C D E F G