Your Leading Linear Actuator Supplier
Hebei Demai Transmission Machinery Co., Ltd., is a high-tech enterprise specializing in the research, development, production, sales, and foreign trade of linear transmission equipment. Since its establishment, the company has focused on the research and development and sales of products such as screw jacks and servo electric cylinders. Its main products include DMT and KFT series trapezoidal screw jacks, DMB and KFB series ball screw jacks, DMSL series high-precision bevel gear ball screw jacks, Linear Actuators, Servo Electric Cylinders, and other non-standard transmission equipment.
-
![Heavy Load Electric Push Rod]()
Heavy Load Electric Push RodHeavy Load Electric Push Rod combines high‑load capacity with convenient electronic control. Compared with hydraulic cylinders and pneumatic cylinders, it requires no complex oil or air circuits...view more -
![Heavy Load Electric Actuator]()
Heavy Load Electric ActuatorHydraulic cylinders are prone to leakage, while pneumatic cylinders suffer unstable output force due to air‑pressure fluctuations. Heavy Load Electric Actuator adopts electric drive for more...view more -
![Heavy-Duty Linear Actuator]()
Heavy-Duty Linear ActuatorHeavy-Duty Linear Actuator boasts superior load-bearing capacity to satisfy heavy-duty operation requirements of heavy machinery and equipment. It supports startup under load and can withstand...view more -
![High Speed Heavy Duty Linear Actuator]()
High Speed Heavy Duty Linear ActuatorHigh Speed Heavy Duty Linear Actuator integrates high-speed operation and heavy-load bearing capabilities, perfectly catering to industrial scenarios requiring high-frequency, heavy-load work. It...view more -
![Telescopic Linear Actuators]()
Telescopic Linear ActuatorsTelescopic Linear Actuators feature a compact retracted footprint while delivering extended stroke lengths, resolving assembly difficulties for space-constrained equipment. No auxiliary hydraulic...view more -
![Telescopic Electric Actuator]()
Telescopic Electric ActuatorStandard single-stage actuators cannot fit equipment that requires long strokes within tight spatial constraints due to their overly long overall length when extended. Compact in retracted status,...view more -
![Long-stroke Industrial Linear Actuator]()
Long-stroke Industrial Linear ActuatorThe long-stroke industrial linear actuator is a specialized electric linear motion device designed for extended-distance reciprocating movement and large-displacement industrial automation scenarios.view more -
![Multi-Stage Linear Actuator]()
Multi-Stage Linear ActuatorThe core advantage of choosing Multi-Stage Linear Actuator lies in its balance of compact retracted dimensions and extended telescopic strokes. Conventional single-stage actuators require...view more -
![High Accuracy Linear Actuator]()
High Accuracy Linear ActuatorThe High Accuracy Linear Actuator achieves far superior repeat positioning accuracy compared to conventional pneumatic and hydraulic components, significantly lowering defect rates during product...view more -
![Precision Linear Actuator]()
Precision Linear ActuatorThe Precision Linear Actuator delivers exceptional positioning accuracy, effectively reducing machining and assembly deviations and lowering waste loss.view more
Motion parameters can be flexibly... -
![High Force Electric Linear Actuator]()
High Force Electric Linear ActuatorHigh Force Electric Linear Actuator is a preferred drive component for modern automated equipment. It features stable operation and powerful performance, suitable for a wide range of heavy-duty...view more -
![Industrial Heavy Duty Linear Actuators]()
Industrial Heavy Duty Linear ActuatorsIndustrial Heavy Duty Linear Actuators are core heavy-load linear drive components. They deliver thrust ranging from several tons to dozens of tons, suited for high-load, high-precision operations...view more
Why Choose Us?
Customized Services
This provides core technical support for the development of customized solutions and high-efficiency transmission equipment, continuously leading the technological development of the linear transmission field.
Quality Control
Regarding product certification, the core linear transmission products have successfully passed EU CE certification, signifying that the products meet the stringent EU standards in safety, health, and environmental protection.
High Quality
The company has introduced a large number of advanced production and testing equipment, developed new technologies and processes, adopted advanced CAD/CAM/CAE technology, ensuring timely delivery of high-quality products.
After-sales Service
The company has been committed to providing high-quality and comprehensive after-sales services to ensure the stable operation of the equipment. The company has established a 24/7 after-sales service hotline, and the technicians have rich experience, capable of effectively resolving various faults.
Types of Linear Actuators:
Standard linear actuators
The most common type. A motor and gear train drive a lead screw inside a tubular housing, extending and retracting an output rod. Available in forces from 35 lbs to over 2,000 lbs, strokes from 1 inch to 40+ inches, and multiple speed options. Ideal for hatches, lids, adjustable furniture, and general automation.
Micro linear actuators
Micro linear actuators are compact versions for small-scale applications and tight spaces. Strokes typically range from 10 mm to 100 mm, and force ratings are lower (usually under 50 lbs). Used in robotics, medical devices, RC models, camera rigs, and anywhere space is limited.
Track actuators
Track actuators use an enclosed track and carriage system instead of an extending rod. The load rides on the carriage, which handles side loads that would damage standard rod actuators. Ideal for sliding doors, drawer systems, and applications with off-axis forces.
Lifting columns
Lifting columns are telescoping actuators that extend through multiple nested stages, giving long strokes in a compact retracted form. Built-in linear guides handle side loads. Used for sit-stand desks, TV lifts, and medical equipment.
Feedback actuators
Feedback actuators include a built-in position sensor (potentiometer or Hall effect) that reports current position to an external controller. This enables precise position control, mid-stroke stopping, and synchronization of multiple actuators.
Advantages of Linear Actuators
Precise Linear Motion
Linear actuators provide accurate and controlled straight-line movement, making them ideal for applications that require precise positioning and repeatable motion.
High Efficiency and Reliability
They convert input energy directly into linear motion, resulting in stable performance, long service life, and low maintenance requirements.
Compact and Space-Saving Design
Linear actuators are available in compact sizes, allowing easy installation in limited spaces without sacrificing performance.
Wide Range of Applications
These actuators are used in industrial automation, medical equipment, automotive systems, robotics, and smart home devices due to their versatility.
Easy Control and Automation
Linear actuators can be easily integrated with switches, controllers, and sensors to achieve automated and precise motion control.
Applications of Linear Actuators:
Industrial automation
Used for positioning, clamping, sorting, and robotic movement. Precision and repeatability are crucial. Electric actuators dominate due to clean operation and control integration.
Automotive and marine
Control hatches, seats, spoilers, engine covers, and marine lids. Compact size and weatherproofing make electric actuators ideal for vehicles and boats.
Home and office automation
From adjustable desks and smart beds to TV lifts and hidden compartments, actuators bring automation to everyday life. See our list of 25 actuator-based home automation ideas.
Aerospace and defense
Used in flaps, landing gear, and weapon control systems. Precision and reliability under extreme conditions are key.
Medical and laboratory equipment
Hospital beds, dental chairs, imaging systems—all rely on actuators for controlled, hygienic movement.
Renewable energy
Used in solar tracking systems and wind turbine adjustments for optimizing efficiency.
FAQ
As one of the leading linear actuator manufacturers and suppliers in China, we warmly welcome you to buy customized linear actuator at low price from our factory. If you have any enquiry about quotation, please feel free to email us.
