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| Brand Name : | Yaskawa |
| Model Number : | SGM7J-08AFC6S |
| Certification : | CE |
| Price : | USD 300-500 piece |
| Payment Terms : | D/A, D/P, T/T, Western Union |
| Supply Ability : | 10 pieces 7 days |
| Delivery Time : | 5-8 work days |
In the demanding landscape of industrial automation, the quest for superior motion control is relentless. Machinery is required to be faster, more precise, more reliable, and more energy-efficient than ever before. At the heart of this high-performance motion lies the servo system, and leading this technological charge is Yaskawa Electric, a global pioneer in motion control. The Yaskawa SGM7J-08AFC6S servo motor stands as a testament to this legacy, embodying a perfect synthesis of robust power, exceptional responsiveness, and intelligent design. This document provides a comprehensive introduction to this advanced servo motor, detailing its features, technical specifications, and the transformative benefits it brings to modern automated applications.
The SGM7J series is a part of Yaskawa's esteemed Σ-7 family of servo systems, renowned for their high performance and ease of use. The specific model SGM7J-08AFC6S is a rotary servo motor designed to deliver outstanding performance in a compact and efficient package. It is engineered to meet the rigorous demands of a wide array of industries, including semiconductor manufacturing, packaging, material handling, robotics, and machine tools.
The SGM7J-08AFC6S is not merely a component; it is a sophisticated motion solution. Its design incorporates several key features that collectively contribute to its superior performance.
1. High Power and Torque Density:
The motor is engineered to deliver high output from a remarkably
compact frame size. This high power density means that machine
designers can achieve the necessary torque and speed requirements
without sacrificing valuable space within the machine enclosure.
This is particularly crucial in applications like collaborative
robots or densely-packed assembly stations where every cubic
centimeter counts.
2. Advanced Magnet and Core Construction:
Utilizing high-grade neodymium magnets and an optimized
electromagnetic design, the SGM7J-08AFC6S achieves minimal torque
ripple and exceptional linearity in its torque production. This
results in smoother rotation, especially at low speeds, which is
vital for precision tasks such as dispensing, engraving, or precise
positioning.
3. High-Resolution Encoder (24-bit):
A cornerstone of its precision is the multi-turn, absolute 24-bit
encoder. This high-resolution feedback device provides an immense
number of pulses per revolution, allowing for incredibly fine
position control. The absolute nature of the encoder means that the
motor knows its exact position immediately upon power-up,
eliminating the need for homing routines after every power cycle.
This drastically reduces machine setup time and enhances
operational efficiency.
4. Optimized Cooling and Thermal Management:
The motor features an efficient cooling design, often incorporating
a forced air cooling fan (as indicated by the "F" in the model
suffix), to dissipate heat effectively. This robust thermal
management allows for sustained operation at high torque levels
without the risk of thermal overload, ensuring consistent
performance and prolonged operational life.
5. High-Speed Capability and Dynamic Response:
With a rated speed of 3000 rpm and the ability to handle higher
instantaneous speeds, this motor is capable of driving
high-throughput processes. When paired with a compatible Yaskawa
Σ-7 servo amplifier, the system's high response bandwidth allows it
to correct deviations and follow complex motion profiles with
exceptional accuracy, minimizing settling time and improving cycle
times.
6. Environmental and Safety Compliance:
The SGM7J-08AFC6S is designed and built to operate reliably in
challenging industrial environments. It features high protection
ratings (IP65), making it resistant to dust and low-pressure water
jets, which is essential for washdown applications in food and
beverage or pharmaceutical industries. Furthermore, it complies
with international standards for safety and electromagnetic
compatibility (EMC).
To fully appreciate the capabilities of the SGM7J-08AFC6S, a detailed examination of its technical parameters is essential. The following tables break down its specifications into clear categories.
Table 1: General Motor Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Manufacturer / Series | Yaskawa Electric / Σ-7 (SGM7J) | Part of the high-performance Σ-7 servo system. |
| Model Number | SGM7J-08AFC6S | 08: Frame Size, A: Standard Design, F: Fan Cooling, C: Electromagnetic Brake, 6: Multi-turn Absolute Encoder (24-bit), S: Special specifications (e.g., connector type). |
| Motor Type | AC Permanent Magnet Synchronous Servo Motor | The industry standard for high-performance servo applications. |
| Rated Output Power | 0.75 kW | 1.0 HP |
| Rated Torque | 2.39 N·m | The continuous torque the motor can produce without overheating. |
| Rated Speed | 3000 rpm | Standard rated operating speed. |
| Maximum Speed | 5000 rpm | The absolute maximum speed the motor can safely achieve. |
| Instantaneous Peak Torque | 7.16 N·m | The maximum torque the motor can produce for short durations (e.g., during acceleration). |
| Rated Current | 3.6 A | Current draw at rated torque and speed. |
| Peak Current | 10.7 A | Maximum current for producing peak torque. |
| Back EMF Constant | 70.5 Vrms/krpm | A key electrical parameter for system design and amplifier matching. |
| Torque Constant | 0.664 N·m/Arms | Defines the torque produced per amp of current. |
| Rotor Inertia | 0.959 x 10⁻⁴ kg·m² | A critical parameter for determining the motor's dynamic response and load matching. |
| Number of Poles | 8 | Standard for smooth operation and high torque density. |
Table 2: Mechanical and Environmental Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Frame Size | 80 mm | Compact physical dimensions. |
| Shaft Type | Keyway | Includes a keyway for positive torque transmission. |
| Shaft Dimensions | Standardized per frame size (e.g., 19mm diameter) | Precise dimensions should be confirmed from the detailed mechanical drawing. |
| Protection Class | IP65 | Dust-tight and protected against water jets from any direction. |
| Insulation Class | Class F (155°C) | Provides a high thermal margin for reliable operation. |
| Vibration Grade | V15 | Indicates a very low vibration level for smooth operation. |
| Ambient Temperature | 0° to 40°C (Operation), -20° to 80°C (Storage) | Standard operating range for industrial environments. |
| Ambient Humidity | 80% RH or less (non-condensing) | |
| Altitude | 1000 m or less above sea level | |
| Weight | Approximately 3.5 kg | Varies slightly depending on options like the brake. |
Table 3: Feedback Device and Options
| Parameter | Specification | Notes |
|---|---|---|
| Encoder Type | Multi-turn Absolute | |
| Encoder Resolution | 24-bit (16,777,216 pulses/rev) | Provides extremely high positioning accuracy. |
| Electromagnetic Brake | Included (as per "C" in model) | Holds the load in position when power is off for safety. |
| Brake Holding Torque | [Value to be confirmed from datasheet, e.g., 5 N·m] | The static holding force of the brake. |
| Brake Release Voltage | Typically 24 VDC | Standard voltage required to release the brake. |
| Cooling Method | Forced Fan Cooling (as per "F" in model) | Ensures consistent performance under high load. |
The SGM7J-08AFC6S is designed to operate seamlessly with Yaskawa's Σ-7 series servo amplifiers, such as the SGD7S-□□□A. This combination creates a fully optimized servo system. The amplifiers provide advanced control functions, including:
Vibration Suppression Control: Automatically compensates for machine resonance, reducing settling time and improving finish quality.
Adaptive Filter II: Actively suppresses vibrations caused by changes in the load inertia.
Advanced Auto-Tuning: Automatically and precisely sets the servo gains for optimal performance with the connected mechanical system, significantly reducing setup time.
One-Touch Tuning: Further simplifies the tuning process for less experienced users.
The system can be easily integrated into various network environments using options like Mechatrolink-IV, EtherCAT, or EtherNet/IP, ensuring compatibility with most modern PLCs and control architectures.
The combination of high torque, high speed, compact size, and absolute precision makes the SGM7J-08AFC6S ideal for a multitude of applications:
Industrial Robotics: As an axis motor for articulated robots, providing the precise joint control necessary for complex paths.
Packaging Machinery: Driving feeders, form-fill-seal systems, and labeling heads where high-speed and accurate positioning are critical for throughput.
Machine Tools: Powering tool changers, spindle orientation, or auxiliary axes, where reliability and precision are non-negotiable.
Semiconductor and Electronics Manufacturing: In wafer handling, wire bonding, and PCB assembly, where minimal vibration and micron-level accuracy are paramount.
Automated Assembly and Material Handling: In pick-and-place units, conveyor indexing, and gantry systems, improving cycle times and product quality.
The benefits realized by implementing this motor are substantial:
Increased Productivity: Higher speeds and accelerations reduce cycle times.
Improved Product Quality: Superior positioning accuracy and smooth motion lead to better manufacturing outcomes.
Enhanced Machine Reliability: Robust construction and advanced thermal management ensure uptime.
Reduced System Complexity: The absolute encoder eliminates homing sensors and routines.
Energy Efficiency: High-efficiency electromagnetic design reduces power consumption and heat generation.
The Yaskawa SGM7J-08AFC6S is more than just a servo motor; it is a meticulously engineered component designed to push the boundaries of what is possible in industrial automation. Its blend of high power density, unparalleled precision from its 24-bit absolute encoder, robust construction, and seamless integration with the Σ-7 platform makes it a superior choice for engineers and machine builders aiming to develop world-class automated equipment. By selecting the SGM7J-08AFC6S, you are not just choosing a motor; you are investing in a solution that guarantees performance, reliability, and a competitive edge in the fast-paced world of modern manufacturing. For specific installation, wiring, and safety instructions, always refer to the official Yaskawa manual for this model.
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