Linear Dc Machine is a direct‑drive power unit for reciprocating linear motion. Unlike conventional solutions where rotary motors drive lead‑screws or gears to generate push‑pull movement, this Linear Dc Machine converts DC electric energy straight into linear mechanical force without intermediate transmission parts. Combined with limit sensors and external drive controllers, it forms a complete DC linear‑actuator system. Featuring fast response and high positioning accuracy, it fits high‑frequency short‑stroke reciprocating tasks. Widely deployed in automated tooling, precision‑valve control, medical equipment and smart‑home push‑mechanisms, it removes complicated transmission chains and delivers a streamlined, high‑efficiency linear‑drive solution.
Flux‑based direct‑drive structure with zero‑conversion
Built‑in DC excited mover‑stator magnetic layout generates linear thrust directly after power‑on. Free of gear and lead‑screw conversion parts, it eliminates mechanical backlash and delivers immediate linear output.
High‑sensitive stroke‑control structure with feedback compatibility
External position‑signal feedback is supported to track mover position in real‑time. Snappy start‑stop and smooth short‑distance reversing performance make it ideal for frequent push‑pull cycles.
Compact all‑in‑one housing design
High‑integration layout combines driving and moving components into one unit to save installation space. The rigid shell resists lateral impact force and allows horizontal, vertical and multi‑angle mounting.
Fast dynamic response and outstanding motion performance
Without rotary‑to‑linear conversion delay, thrust is generated almost instantly. Rapid acceleration and deceleration enable millisecond‑level startup and improve cycle speed for automated machinery.
Low transmission loss and quieter operation
Fewer friction‑prone components such as lead‑screws and chains cut mechanical wear and running noise. It helps extend service life and fits noise‑sensitive indoor‑equipment environments.
Simple commissioning and strong expandability
Thrust and movement speed can be adjusted flexibly via DC controllers. Travel range is configurable with external limit switches. Standard‑interface design enables easy integration into existing automation systems and simplifies overall mechanical development.
| Linear Dc Machine | |
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Wire Number |
8 wires for hall type, 3 wires for no hall type |
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Motor diameter |
28mm ~ 166mm |
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Speed options |
1500rpm 2000rpm 2500rpm 3000rpm 4000rpm |
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Power range |
10W ~ 4200W, it can be customized |
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Output shaft types |
Round shaft, keyway shaft, pinion shaft, spline shaft, etc. |
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Voltage range |
12V 24V 36V 48V 90V 180V 220V 310V |
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Accessories |
Internal driver, Outer driver, Hall sensor, Brake, Encoder, etc. |
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Output flange |
B14 flanges, B5 flanges, square flanges, Nema flanges, no flanges |
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Can be used with |
Helical gearbox, Worm gearbox, Bevel gearbox, Planetary gearbox |
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Package |
carton/wooden box |
Q: Can the DC linear machine run continuously with repeated reciprocating motion?
A: It performs well under intermittent high‑frequency short‑stroke cycles. Long‑hour continuous full‑load operation is not recommended, as heavy‑duty cycles may overheat coils, and extra heat‑dissipation measures are required.
Q: What is the core difference between a DC linear machine and an electric linear actuator?
A: An electric push‑rod usually uses a rotary DC motor plus lead‑screw to convert rotation into linear movement. The linear DC machine is a true direct‑drive component with no intermediate transmission, offering faster speed and better accuracy, yet generally lower thrust within the same size.
Q: What standard supply voltages are available for this Linear Dc Machine?
A: Standard DC options include 12V, 24V, 36V, 48V. Custom‑built thrust, stroke and speed parameters are available for bulk‑volume orders.
Q: Can I run this linear motor directly from a raw DC‑power supply?
A: Basic extension‑retraction motion can be achieved, yet operation without current‑limit or stroke‑limit protection risks end‑collision and coil burnout. A dedicated DC drive controller is strongly recommended.
Q: Is it possible to adjust the thrust output of the linear DC machine?
A: Thrust is directly related to supply current. Output force can be modified by adjusting current via speed controllers. Closed‑loop drivers are recommended if constant‑thrust performance is required.
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