NEMA 8 (20mm)
HYBRID STEPPER MOTOR
BALL SCREW ACTUATOR

20滚珠.JPG

Motor Characteristics

Motor Voltage
(V)
Current
(A)
Resistance
(Ω)
Inductance
(mH)
Lead Wire No. Motor Length
(mm)
8E2004 3.5 0.4 8.8 2.8 4 20
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 Specifications

Ball Screw Type 0401 0402
Ball Size ∅0.8 ∅0.8
Number of Thread 1 1
Thread Direction Right
Shaft Root Diameter ∅3.3 ∅3.3
Number of Circuit 3.7x1 2.7x1
Shaft, Nut Material SCM415H
Surface Hardness HRC58-62
Anti-Rust Treatment Anti-rust Oil
Nut Size A B C D H W X Grade Position Accuracy Total Run Out Axial Play Dynamic Load (N) Static Load (N)
0401 23 4 17 11 15 17 3.4 C7 ±0.05 0.12 0.02 560 790
0402 23 4 19 11 15 17 3.4 C7 ±0.05 0.12 0.02 420 570

Drawing

NEMA 8 Ball Screw Actuator Drawing

Speed Thrust Curves

NEMA 8 Single Stack Ball Screw Actuator Speed Thrust Curve

NEMA 8 Double Stack Ball Screw Actuator Speed Thrust Curve