Lead screw stepper motors, linear actuators & custom motion solutions for OEMs. Find the right starting point for your next design.
Final configuration requires engineering reviewStart with the motion architecture.
Then refine the parameters that matter.
A rotating lead screw moves an external nut. A flexible starting point for guided linear assemblies.
Explore structure →
The screw travels through the motor. Your assembly provides the external anti-rotation guidance.
Explore structure →
An integrated anti-rotation mechanism produces linear shaft travel within a defined stroke.
Explore structure →Dongxu documented 14 mm nominal frame family. This is a configurable platform; select the final motor, screw lead, nut and travel through engineering review.
Explore series →External Linear Stepper MotorsDongxu documented 20 mm nominal frame family. This is a configurable platform; select the final motor, screw lead, nut and travel through engineering review.
Explore series →External Linear Stepper MotorsDongxu documented 28 mm nominal frame family. This is a configurable platform; select the final motor, screw lead, nut and travel through engineering review.
Explore series →Start with a standard platform. Discuss the screw, nut, winding, shaft and connection requirements that make it work in your assembly.
Plan Your Configuration ↗An undisclosed listed medical-device company in China
Dongxu was selected for all nine motors in one analyzer model, followed by an annual order specifying more than 10,000 motors in October 2025.
Read the case study →Beijing LEPU Diagnostics Technology Co., Ltd.
Three motor types, eight of each, were selected after LEPU's testing and review. Dongxu reports annual shipments of more than 10,000 motors for this project.
Read the case study →An undisclosed medical-technology company in China
Customer technical evaluation and testing led to an external motor paired with a PEEK nut, with reported annual motor usage of 500.
Read the case study →These are Dongxu manufacturer project reports, presented by ActuMotion for application reference. Customer relationships and project results belong to Dongxu.
Find authorized CAD files, drawings and datasheets. Missing a file? Request the current documentation for your configuration.
Browse resources →Share your load, stroke, speed and integration requirements.
We will help define the next engineering step.