Description

The Dunkermotoren BG65X50SI represents a high-performance brushless DC (BLDC) servo motor engineered for precision motion control applications requiring exceptional power density and dynamic response. As part of Dunkermotoren’s renowned GR series, this frameless motor is designed to be integrated directly into machinery, eliminating the need for couplings and separate mountings, which saves space and reduces overall system complexity. The BG65X50SI operates on the principle of permanent magnet synchronous technology, delivering high torque and excellent speed stability across its entire operating range. Its robust internal construction features high-energy neodymium magnets and a precision wound stator, ensuring maximum efficiency and minimal power loss.

This motor is specifically engineered for seamless integration with compatible Dunkermotoren gearboxes and feedback systems, creating a complete mechatronic drive solution. The Dunkermotoren BG65X50SI is valued for its exceptional torque-to-volume ratio, making it ideal for applications where space constraints are critical without compromising on performance. Its frameless design allows OEMs to incorporate the motor directly into their products, creating more compact and streamlined final assemblies. The reliability and precision of the Dunkermotoren BG65X50SI make it an essential component in advanced automation systems where accurate positioning and smooth operation are paramount.

BG65X50SI DUNKERMOTOREN

Technical Specifications

Parameter Name	Parameter Value
Product Model	BG65X50SI
Manufacturer	Dunkermotoren
Product Type	Frameless Brushless DC Servo Motor
Rated Voltage	48 V DC
Rated Speed	4500 rpm
Rated Torque	0.65 Nm
Rated Power	306 W
Peak Torque	2.3 Nm
Motor Constant	0.10 Nm/√W
Torque Constant	0.11 Nm/A
Terminal Resistance (line-line)	0.55 Ω
Terminal Inductance (line-line)	0.35 mH
Rotor Inertia	82 gcm²
Weight	0.85 kg
Protection Class	IP54 (standard)

Main Features and Advantages

The Dunkermotoren BG65X50SI stands out for its exceptional power density and robust construction, delivering high torque in a compact, frameless package. Its advanced thermal management allows for continuous operation at high performance levels without overheating, thanks to optimized winding technology and efficient heat dissipation through the motor housing. The motor features high-energy neodymium iron boron magnets that provide excellent torque characteristics and minimal cogging torque, resulting in smooth rotation even at very low speeds – a critical advantage for precision positioning applications.

A significant advantage of this motor is its frameless design, which offers OEMs maximum flexibility in mechanical integration and system design. This approach reduces overall system size, weight, and component count by eliminating couplings, pulleys, and separate bearings. The Dunkermotoren BG65X50SI is designed for easy integration with a wide range of feedback devices, including hall sensors, encoders, and resolvers, providing the precise commutation and position feedback required for closed-loop servo control. Its high efficiency and low electrical time constants contribute to excellent dynamic response, enabling rapid acceleration and deceleration capabilities that are essential for high-throughput automation applications.

Application Field

The Dunkermotoren BG65X50SI finds extensive application in high-precision automation systems across various industries. In robotics and automation technology, it serves as the driving force in robotic joints, articulated arms, and automated guided vehicles (AGVs) where compact size and high torque are essential for dynamic movement and precision positioning. The medical technology sector utilizes this motor in advanced diagnostic equipment, surgical robots, and patient positioning systems, benefiting from its smooth operation, reliability, and ability to maintain precise control.

In industrial automation, the BG65X50SI is deployed in packaging machinery, textile manufacturing equipment, and printing systems where consistent speed regulation and rapid response to load changes are critical for maintaining product quality and production efficiency. The aerospace and defense industries integrate this motor into actuation systems, satellite positioning mechanisms, and optical equipment, leveraging its high reliability and performance in demanding environments. Additionally, the motor is widely used in semiconductor manufacturing equipment, where its precision and cleanliness (due to brushless design) meet the stringent requirements of cleanroom applications.

BG65X50SI DUNKERMOTOREN

Related Products

Dunkermotoren BG 45×20: A smaller frameless BLDC motor with lower power rating for less demanding space-constrained applications.

Dunkermotoren BG 85×80: A larger frameless BLDC motor offering higher torque and power for more heavy-duty applications.

Dunkermotoren PLG 52: A planetary gearbox designed specifically for integration with Dunkermotoren’s BG series motors.

Dunkermotoren EAM 30: An absolute encoder module that can be integrated with the BG motor for high-resolution position feedback.

Dunkermotoren SD 48/1000: A compatible servo drive/controller designed to optimally drive the BG series motors.

Dunkermotoren BGE 50x25SI: A similar frameless motor with different performance characteristics for varied application requirements.