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servo DC motor for home appliances
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servo DC motor for home appliances

Big Power Three Phase Electric Servo Motor for Precision Instruments
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  • ACSM130-G04025LZ

  • Ritscher

This series of high-power three-phase servo motors is specially developed for high-precision instruments and equipment. It adopts advanced electromagnetic design solutions and has the following outstanding features:


Flexible customization capability


Stator size supports full range customization (diameter range 80-300mm)


Winding solution optional: distributed winding (precision priority) or centralized winding (power priority)


Pole configuration: 4 poles/6 poles/8 poles optional to meet different speed requirements


Excellent performance


Rated voltage: dual voltage design (110~120V/220~240V)


Frequency compatibility: 50/60Hz adaptive


Power range: 0.75kW-15kW (continuous duty)


Instantaneous overload capacity: 300% rated torque (for 2 seconds)


Precision control characteristics


Encoder resolution : Standard 23-bit absolute encoder


Speed accuracy: ±0.01rpm (within the rated speed range)


Torque fluctuation: <0.5% rated torque


II. Structural design and innovative technology

Innovative stator design


Adopt high magnetic permeability silicon steel sheet (thickness 0.2mm)


Vacuum varnishing process to ensure that the winding insulation level reaches H level (180℃)


Optional forced air cooling or water cooling structure


Rotor core technology


Rare earth permanent magnet (N52 grade NdFeB)


Patented magnetic circuit optimization design to reduce cogging torque


Dynamic balance level G0.4 (higher than industry standard)


Transmission system optimization


Low harmonic sine wave drive technology


Resonance suppression algorithm (suppress mechanical resonance)


Temperature compensation system (built-in 3-point PT100 temperature measurement)


III. Key performance Advantages

Safety and reliability

Protection level IP65 (optional IP67)

UL and CE certified

Built-in over-temperature/over-current/over-voltage triple protection

Ultra-quiet operation

Electromagnetic noise <55dB (1 meter distance)

Using skew slot design to reduce tooth harmonics

Vibration speed <0.8mm/s (full speed range)

Excellent starting characteristics

Starting torque can reach 200% of the rated value

0-3000rpm acceleration time <50ms

Support S-curve acceleration and deceleration control

Extremely long service life

Bearing life: >50,000 hours (L10)

Winding life: >100,000 hours (rated working conditions)

Commutation system life: unlimited (brushless design)

IV. Typical application scenarios

Precision machining equipment

Number Control lathe spindle drive (replacing traditional asynchronous motor)


High-precision grinder feed system


Five-axis linkage machining center


Testing instrument


Three-coordinate measuring machine drive


Optical testing platform


Semiconductor wafer testing equipment


Automated production line


Precision assembly robot


Electronic component placement system


Medical filling production line


Special field application


Astronomical telescope drive system


Laser cutting equipment


Proton therapy device alignment system


V. Selection and service support


Customized service


Provide FEA electromagnetic field simulation analysis


Can match various types of reducers (planetary/harmonic/worm gear)


Support special environment version (explosion-proof/ultra-high vacuum)


Technical support


Free dynamic characteristic curve


Automatic motor parameter recognition function


Complete PID parameter adjustment guidance


Basic Info


Main Products: Thermal Fuse,Thermostat,Shaded Pole Motor,Synchronous Motor,Ozone Generator  

Number Of Employees: 101 - 200 People  



Trade & Market

Main Markets: Eastern Europe
South America
Western Europe
North America
Southeast Asia
Mid East

Total Annual Sales Volume: Above US$100 Million  

Export Percentage: 71% - 80%  



Factory Information

Factory Size(Sq.meters): 30,000-50,000 square meters  

No. of Production Lines: Above 10  

Number of R&D Staff: 41 - 50 People  

Number of QC Staff: 41 - 50 People  

Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  


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