Frameless Servo Motor consists of two separate assemblies: stator and rotor. Without traditional housing, bearings and end‑caps, it works as an embedded kit‑type servo drive component to be integrated inside machinery. Featuring ultra‑high torque density, lightweight property and large central through‑hole, it is widely applied in collaborative robot joints, surgical robots, semiconductor equipment, optoelectronic gimbals, medical imaging rotary tables and high‑precision pan‑tilt platforms. Adopting high‑performance permanent‑magnetic magnetic circuit, this series Frameless Servo Motor works with external encoders and bearing assemblies for full integration. It supports direct‑drive mode or mating with harmonic reducers, delivering fast dynamic response without transmission backlash interference. As a core motion component for overseas B‑end manufacturers to realize miniaturized and mechatronic integrated equipment design, it supports customization on outer diameter, stack length, bore size and winding parameters, with matched servo drivers for complete motion‑control solutions.
Split Frameless Kit Structure
This Frameless Servo Motor only includes stator winding and permanent‑magnet rotor by removing redundant housing and end‑cap parts. It is embedded directly into customer's mechanical structure. The large central bore of rotor allows cables, tubes and drive shafts to pass through, greatly freeing internal design space and perfectly fitting integrated‑structure design for robot joints and precision rotary stages.
Ultra‑high Torque Density & Lightweight Body
Optimized electromagnetic magnetic‑circuit design enables the frameless servo motor to deliver sufficient torque with small dimension and light weight. Low rotor inertia supports high‑frequency acceleration‑deceleration and fast direction reversal. Direct‑drive application eliminates errors caused by gear backlash and ensures smooth motion trace for strict dynamic‑control requirements in medical, semiconductor and robotics industries.
Open‑style Integration Compatibility
The newly upgraded Frameless Servo Motor allows customers to select encoders, bearings and heat‑dissipation structures independently. It supports water‑cooling and air‑cooling thermal solutions, compatible with mainstream industrial buses such as EtherCAT and CANopen. It connects with various servo drivers and motion controllers, enabling flexible protection and thermal management design according to actual machine working conditions.
Reduce Overall Machine Size & Weight
Without housing occupation, Frameless Servo Motor is embedded inside equipment to cut overall weight and shrink axial dimension. It helps overseas equipment developers realize lightweight and compact machine design and improve product market competitiveness.
Eliminate Transmission Backlash for Higher Accuracy
Direct‑drive setup avoids backlash and hysteresis brought by gear transmission for superior repeat positioning accuracy. It can also be assembled with harmonic reducers to give full play to servo dynamic performance, reduce intermediate transmission parts and lower mechanical failure points.
High Customization for Diverse Working Conditions
This series frameless servo motor provides multiple options for outer diameter, stack length and central bore diameter with adjustable winding voltage. It adapts to special environments for medical, semiconductor and optoelectronic aerospace applications. It facilitates engineers' integrated machine development and shortens R&D iteration cycles for high‑end equipment.
| Frameless Servo Motor | |
|
Model |
40 ~ 180 |
|
Power supply |
AC/DC |
|
Power |
50W to 7.5KW |
|
Voltage |
24v to 380v |
|
Encoder |
Available |
|
Controller |
Available |
|
Gear head |
Planetary gearbox, worm gearbox, helical gearbox |
|
Typical Applications |
Printers, Labeling machine, Laser cutting machine, SMT equipment, Packing machine, Dispensing machine, Hot stamping machine, Manipulator, Robot, Analytical and Medical Instruments, Textile Equipment, Embroidery Machine, Precision Telescope Positioning Systems, High-Speed Dome Camera |
|
Package |
carton/wooden box |
|
HS codes |
8501310000/8501320000 |
Q: What kind of equipment is Frameless Servo Motor suitable for?
A: Frameless servo motors are widely used for collaborative robot joints, surgical robots, semiconductor wafer platforms, medical imaging rotary tables, optoelectronic gimbals and precision automation rotary stations, ideal for high‑end equipment requiring embedded integration, large through‑hole and lightweight design.
Q: Can Frameless Servo Motor run directly after power‑on?
A: No. Frameless Servo Motor is a split kit. Customers need to install bearings and encoders, guarantee stator‑rotor concentricity and heat dissipation, and equip matched servo drivers before normal operation.
Q: Can Frameless Servo Motor work with reducers?
A: Yes. Frameless servo motors are frequently integrated with harmonic reducers and also support direct‑drive solutions. We can provide model‑selection suggestions according to customer load and speed requirements.
Q: What about product warranty and cross‑border delivery?
A: All frameless servo motors come with standard warranty. Sample test orders and mass cross‑border shipments are supported. Complete technical datasheets and online technical support are provided for integration selection and troubleshooting.
Q: Can the central bore size of frameless servo motor be customized?
A: Yes. We can customize central bore, outer diameter, stack length and winding parameters for Frameless Servo Motor based on mechanical‑structure requirements. Matched servo drivers are available for complete motion‑control solutions.
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