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What's Inside A Electric Linear Actuator

An electric linear actuator is a self-contained power transmission device that converts the high-speed rotation of a motor into a slower, high-force linear push or pull. Inside the housing, three main systems work together: the motor, the drive train, and the feedback/safety mechanisms. The Lead Screw (Drive Screw): A long, threaded rod—typically an Acme (trapezoidal) screw for self-locking or a Ball screw for high efficiency—that acts as the primary transmission. Extension Rod (Inner Tube): Attached to the drive nut, this tube slides out of the actuator body to move the external load. It is usually made of stainless steel or anodized aluminum.
Availability:
Quantity:
  • KMH10 - KMH1000

  • KEMUSEN

The working principle of linear electric actuator is it's of modular design which integrates the motor and the screw with the nut, converting the rotary motion of the motor shaft into the linear motion of the piston rod of the electric linear actuator. High-quality materials, typically produce the best-performing linear electric actuators. Below is a summary of the various materials used in linear electric actuator construction.

KMWH (4)

1. Housing is nodular cast iron.

2. Trapezoidal lead screw is 45# steel. Custom 304 or 316 stainless steel.

3. Travelling Nut is aluminum bronze.

4. Push Rod is high strength steel tube. Custom 304, 316 stainless steel.

5. Protection Tube is high strength steel tube.

6. Bearing is chromium bearing steel.

7. Trunnion Mounting Brackets is high strength steel.

8. Front Clevis (Fork Head) is high strength steel.

9. Spur Gears is high strength alloy steel.

10. Bellows Boots (Pushrod Cover) is high quality rubber molded convoluted boots with stainless steel clamps.

KMWH (1)

KMJ1KMWH (2)

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