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AC 4Vrms Two Speed Resolver 45 Series Application in Transmission

Resolver is a special motor with output voltage a function of the rotor angle. Its primary and secondary windings are placed on the stator and rotor respectively. The degree of electromagnetic coupling between the primary and secondary windings is closely related to the rotor angle.
  • ST45XFS2458

  • start-motors

  • 004

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Schematic:        

Two speed 45 series Resolver is a special motor with output voltage a function of the rotor angle. Its primary and secondary windings are placed on the stator and rotor respectively. The degree of electromagnetic coupling between the primary and secondary windings is closely related to the rotor angle.


Installation:

*

  For the fit condition of brush less resolver, it is recommended to adopt (transition fit):H7/h6 and h6/H7;

The deviation between the motor shaft and the center of resolver rotor and stator shaft is generally

required to be ≤0.03mm;

The verticality of the mating end face between the motor end cover and the resolver stator, the

  • motor shaft and the resolver rotor is ≤ 0.05mm;

*

For the fabricated resolver (stator and rotor assembled together with bearings), in addition to

the above requirements, the motor shaft and resolver rotor can not be directly connected forcely,

but need to be connected through a special coupling.


BR-45-1BR-45-2


Practical application

Resolvers have a wide range of industry applications in motor control and angular position measurement, primarily including the automotive sector (such as electric vehicles and ADAS), industrial automation (such as robots and CNC machine tools), consumer electronics, aerospace, and military, providing precise speed, position, and direction of rotation feedback for motors.


Examples of application scenarios

  • Servo Control Systems: Used to measure the angular displacement and angular velocity of rotating objects' axes, achieving precise position control.


  • Robots: Provide precise angular feedback for robot joints, ensuring the robot's motion accuracy.


  • CNC Machine Tools, Injection Molding Machines, Lifts: Used in these devices to achieve precise measurement of angular velocity and position.


  • Industrial Machinery: Widely used in motor drives, motor control, and industrial automation.

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FAQ

Q1: What are our main products?

A: We mainly produce planetary (square) DC gear motors, brushless DC motors, resolvers, NEMA motors, hydraulic DC motors, automatic door motors, etc. You can view the specifications of the above products on our website, or you can recommend products according to your specifications to us via email.


Q2: How to choose the right Resolver?

A: If you have pictures or drawings of Resolvers to show us, or if you have detailed specifications such as voltage, speed, torque, motor size, operating mode, required lifespan, and noise level, please don't hesitate to let us know. Then we can recommend a suitable Resolvers based on your requirements.


Q3.How is your product quality?

A: All our products are brand new and original (we have spare materials for standard products). We will conduct random checks on incoming materials and full inspections on every finished product to ensure that it meets quality standards before shipping it to you. We will provide a factory inspection report for your traceability.


Q4: Do you offer customization services or personalized designs for standard Resolvers?

A: Yes, we can customize voltage, speed, torque, and shaft size/shape according to your requirements. We can also do this if you need to solder additional wires/cables to the terminals, or add connectors, capacitors, or EMC.

Additionally, we can provide individual design services, but this may incur some mold development costs.


Q5:Can I use my own logo or design on the products?

A: Yes,we provide OEM/ODM services;your logo and design can be applied to the products.


Q6.What are the advantages of your company?

A:Strong R&D and innovation capabilities, efficient production and logistics management, excellent customer service, rich industry experience, unique market positioning, strong corporate culture and team cohesion.We can quickly match you with equipment parts of the exact same model,which improves your procurement efficiency。


Q7: What is your delivery time?

A: Generally, our standard products take 25 days, and customized products take longer(40 days). However, we are very flexible with delivery times, which will depend on the specific order details.




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