FAQs About NEMA 11 Linear Non-Captive Stepping Motor
I. Product Perspective: Performance, Structure & Applications
1. What is a NEMA 11 linear non-captive stepping motor?
A NEMA 11 linear non-captive stepping motor is a compact stepper motor with an integrated lead screw, where the screw rotates and the nut moves linearly outside the motor body.
2. How does a non-captive linear stepper motor work?
In a non-captive design, the motor rotates the lead screw while the nut translates along the screw, converting rotary motion into precise linear movement.
3. What is the difference between non-captive and captive linear stepper motors?
Non-captive motors allow external guidance of the nut and offer flexible mechanical integration, while captive motors include an internal anti-rotation mechanism.
4. What are the main advantages of a NEMA 11 linear non-captive stepping motor?
Key advantages include compact size, high positioning accuracy, simple structure, and easy integration into space-limited systems.
5. What lead screw options are available for NEMA 11 linear stepper motors?
Common options include different lead pitches and diameters to achieve various speeds, thrust forces, and resolution levels.
6. How accurate is a NEMA 11 linear non-captive stepping motor?
With a standard 1.8° step angle and suitable lead screw, it provides high linear resolution, especially when paired with microstepping drivers.
7. What thrust force can a NEMA 11 linear stepper motor deliver?
Thrust force depends on motor torque, lead screw pitch, and efficiency, making it suitable for light to medium load applications.
8. Can NEMA 11 linear non-captive stepping motors operate continuously?
Yes, they are designed for continuous operation when properly driven and thermally managed.
9. What applications commonly use NEMA 11 linear non-captive stepping motors?
Typical applications include medical devices, laboratory automation, optical equipment, valve control, and compact positioning systems.
10. What are the advantages of using a linear stepper motor instead of a rotary motor with external actuators?
Linear stepper motors offer higher positioning accuracy, fewer mechanical components, reduced backlash, and simplified system design.
II. Factory Customization Capability: Manufacturing & OEM Solutions
11. Can NEMA 11 linear non-captive stepping motors be customized?
Yes, factories can customize motor length, winding parameters, lead screw type, and electrical specifications.
12. What lead screw pitches can be customized?
Manufacturers can offer various lead screw pitches to balance speed, thrust, and resolution according to application needs.
13. Are different lead screw materials available?
Yes, lead screws can be made from stainless steel or other materials for durability, corrosion resistance, or clean-room use.
14. Can the nut type be customized?
Yes, options include plastic nuts, bronze nuts, and anti-backlash nut designs.
15. Can encoders be added to NEMA 11 linear stepper motors?
Yes, encoders can be integrated to create closed-loop linear stepper motor systems.
16. Are low-noise or low-vibration designs available?
Yes, optimized motor windings, precision lead screws, and microstepping drivers help minimize noise and vibration.
17. Can NEMA 11 linear stepper motors be designed for special environments?
Factories can customize motors for high-temperature, vacuum, or dust-resistant applications.
18. What quality control tests are performed on linear stepper motors?
Testing includes thrust force testing, linear accuracy testing, insulation resistance testing, and endurance testing.
19. What is the typical lead time for custom NEMA 11 linear stepper motors?
Prototype samples usually take 2–4 weeks, while mass production lead times are typically 4–8 weeks.
20. How does factory-level customization improve system performance?
Customization ensures optimal matching of motor torque, lead screw design, and application requirements, improving accuracy, reliability, and service life.
