Ball Screw Stepper Motor - NEMA 8 (20mm)
NEMA 8 (20mm)
- Hybrid Ball Screw Stepper Motor
Short Description :
Nema 8 (20mm) hybrid stepper motor,
bipolar, 4-lead, ball screw, low noise, long life,
high performance, CE and RoHS certified.
Ball Screw Stepper Motor Naming Rules
P
①
①
-
20
②
②
-
I
③
③
-
E
④
④
-
2
⑤
⑤
-
34
⑥
⑥
-
BS0802
⑦
⑦
-
1.5
⑧
⑧
-
4
⑨
⑨
-
100
⑩
⑩
-
B
⑪
⑪
-
XXX
⑫
⑫
Part Number Identification
| ① Profix | P : Zero position sensor or Origin position switch / T : High temperature motor |
| ② Motor Size | Normal Size : 20mm(NEMA 8) |
| ③ Intelligence Configuration | I : Encoder(Closed loop) / ID : Controller and driver(Integrated drive control) |
| ④ Motor Type | E : External / N : Non-captive / NC : Captive / EC : Electrical Cylinder |
| ⑤ Step Angle | 2 : 2 Phase with 1.8° / 4 : 2 Phase with 0.9° |
| ⑥ Motor Length | 34 : 34mm with motor body |
| ⑦ Lead | BS0802 : Ball screw diameter 8mm, lead 2mm |
| ⑧ Rated Current | 1.5 : 1.5A |
| ⑨ Wiring | 4 : Bipolar with 4 lead wires / 6 : Unipolar with 6 lead wires |
| ⑩ Lead Screw Length / Stroke | 100 means with 100mm lead screw length for external type and Non-captive type. 100 means with 100mm stroke linear motion of motor ourshaft for captive type and electrical cylinder type. |
| ⑪ Customized Option | A : Anti-Blacklash Nut / B : Brake / T : Teflon Coating for Lead Screw Treatment / P : Manual knob |
| ⑫ Unique Identifier | XXX : Use XXX to identify specific customer order the same size motors. Note : Standard motor doesn't have it. |
Motor size 42mm, 2 phase 1.8°, with a zero position sensor or an origin position switch closed-loop external ball screw linear stepper motor, motor length 34mm, ball screw diameter 8mm, lead 2mm rated current (phase) 1.5A, bipolar, 4 lead wires, screw length 100mm, with brake.
Short Descriptions
| Motor Type | Bipolar stepper |
| Step Angle | 1.8° |
| Voltage (V) | 2.5 / 6.3 |
| Current (A) | 0.5 |
| Resistance (Ohms) | 5.1 / 12.5 |
| Inductance (mH) | 1.5 / 4.5 |
| Lead Wires | 4 |
| Motor Length (mm) | 30 / 42 |
| Ambient Temperature | -20℃ ~ +50℃ |
| Temperature Rise | 80K Max. |
| Dielectric Strength | 1mA Max. @ 500V, 1KHz, 1Sec. |
| Insulation Resistance | 100MΩ Min. @500Vdc |
Electrical Parameters
| Motor size |
Voltage / Phase (V) |
Current / Phase (A) |
Resistance / Phase (Ω) |
Inductance / Phase (mH) |
Number of Lead Wires |
Rotor Intertia (g.cm2) |
Motor Weight (g) |
Motor Length L (mm) |
| 20 | 2.5 | 0.5 | 5.1 | 1.5 | 4 | 2 | 50 | 30 |
| 20 | 6.3 | 0.5 | 12.5 | 11 | 4 | 3 | 80 | 42 |
Dimensions
20E2XX-BS0601-0.5-4-100
standard external motor outline drawing
Lead screw length can be customized
Customized machining is viable at the end of lead screw
Please contact us for more ball screw specifications.
Customized machining is viable at the end of lead screw
Please contact us for more ball screw specifications.
Ball nut 0601
outline drawing
Speed and thrust curve
20 series 30mm motor length bipolar Chopper drive
100% current pulse frequency and thrust curve
20 series 42mm motor length bipolar Chopper drive
100% current pulse frequency and thrust curve
| Lead (mm) | Linear velocity (mm/s) | ||||||||
| 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Test condition : Chopper drive, no ramping, half micro-stepping, drive voltage 24V
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