Size 8 [20mm] Stepper Ball Screw Linear Actuators

The Size 8 [20mm] External Stepper Ball Screw Linear Actuator.

Various screw end machining and encoder options are available.

Size 8 [20mm] Stepper Ball Screw Linear Actuators

Motor Characteristics

In a mobile environment, you can move left and right to see the contents (tables).

Model No.Rated Voltage[V]Current[A [RMS]]Resistance[Ω]Inductance[mH]Lead Wire No.Motor Length "L"[mm]
8E21052.550.55.11.5427.2
8E22054.40.58.82.7438.1

Ball Screw Specification

In a mobile environment, you can move left and right to see the contents (tables).

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 sizeABCDHWXPosition accuracyTotal run outAxial playDynamic load[N]Static load[N]
BS0401234171115173.4±0.050.12≤0.03560790
BS0402234191115173.4±0.050.12≤0.03420570

* The unit of Position accuracy, Total run out and Axial play is [mm].

Dimensional Drawings

Speed Thrust Curves

Options

Screw End Machining
opt screw end machining
Encoder Option
EK1 Encoder images
EK1 Encoder images

In a mobile environment, you can move left and right to see the contents (tables).

Resolution(CPR) 100 108 120 125 128 200 250 256 300 360 400 500 1000 512 720 800
Single ended output 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Differential output A B C D E F G H I J K L M N O P
Power-Off Brake [Available For Size 8 Motor]

In a mobile environment, you can move left and right to see the contents (tables).

Rated voltage DC 24V ± 5%
Resistance 55Ω ± 10%
Power 9.6W
Hold torque >0.06N.M
Insulation B
Insulation resistance >100MΩ (DC500V)
Dielectric strength AC 1000V for 1 sec
Retraction time 50ms
Release time 50ms
Gyration gap
Emergency brake time 200
Lifetime 2,000,000 times
Noise level <60db
Size 8 [20mm]
<