EGP-L Series

In the rapidly evolving era of Industry 4.0, automated production lines are advancing towards higher density, flexibility, and efficiency. In sectors like 3C electronics, semiconductor, and precision instrument assembly, it’s common to see robotic arms maneuvering within confined spaces, their end-of-arm grippers needing to handle workpieces of varying sizes and shapes from the conveyor. Traditional solutions often face a difficult trade-off:

• Choosing a gripper with a large stroke often means a bulky body that is difficult to integrate onto a compact robot wrist or within a dense work cell, leading to collisions.
• Choosing an ultra-slim, compact gripper typically comes with a limited opening range, unable to grasp a wide variety of workpiece sizes. This forces production lines to employ multiple grippers or frequent changeovers, sacrificing efficiency and flexibility.

This inherent conflict between “Space and Range” has become a key bottleneck restricting the ultimate flexibility of automated production lines. Could there be a gripper that acts like a slender gymnast with an incredible reach, operating within a tight space yet offering a vast range of motion? The answer is a resounding yes—the Ultra-Slim Large-Stroke Electric Gripper is precisely the revolutionary product born to solve this core challenge.

The Game-Changer – What is an Ultra-Slim Large-Stroke Electric Gripper?

An Ultra-Slim Large-Stroke Electric Gripper is a high-performance electric parallel gripper that ingeniously integrates two seemingly contradictory features—“Ultra-Slim Profile” and “Extra-Large Gripping Stroke”—through sophisticated mechatronic design.

• Ultra-Slim Profile: Refers to its exceptionally thin body depth in the installation direction. This compact structural design allows it to be easily installed in space-constrained scenarios, such as multi-robot collaborative cells, on the wrists of small SCARA robots, or on dense linear module sliders, effectively avoiding interference with peripheral equipment.
• Large Stroke: Indicates that the maximum opening distance between its two fingers far exceeds that of traditional grippers of similar volume. This means a single gripper can cover grasping tasks for a wide range of workpiece sizes, from tiny components to larger boxes and panels.

Core Technical Breakthroughs:
Achieving this combination is no small feat and relies on the synergy of several technological innovations:

1. Innovative Transmission Mechanism: Moving away from bulky lever or gear systems, optimized designs like twin four-bar linkages, planetary roller screws, or special synchronous belt drives are employed. These mechanisms ensure efficient force transmission and stroke amplification while maintaining thrust and rigidity.
2. Compact Motor and Drive Integration: The use of flat, high-power-density brushless servo motors, and the high level of integration of the drive electronics into the gripper body or controller, minimize space occupancy from the source.
3. Lightweight and High-Rigidity Materials: The use of materials like aerospace-grade aluminum alloys and composite materials in key structural components achieves lightweighting (reducing robot load) while ensuring structural rigidity and repeatability even at full extension.

Why is it the Essential Choice? – Solving Core Industry Pain Points

The value of the Ultra-Slim Large-Stroke Electric Gripper is fully realized in the following typical scenarios:

1. 3C Electronics Industry: Rapid Product Iteration, Diverse Parts
In smartphone and tablet assembly lines, parts range from tiny screws and FPC cables to mid-frames, batteries, and larger glass covers, with enormous size variations.

• Pain Point: Traditional solutions require different grippers for different stations or expensive multi-gripper systems, leading to high costs, large footprints, and complex programming.
• Solution: A robot equipped with an Ultra-Slim Large-Stroke Electric Gripper can handle all part sizes along a single path with one tool. Its slim profile allows easy deployment in dense production lines, while the large stroke provides unparalleled grasping flexibility, perfectly adapting to the high-mix, low-volume production model of the 3C industry.

2. Semiconductor & Chip Packaging: Cleanroom Space and High Precision
In wafer loading/unloading, sorting, and packaging processes, requirements for precision are extreme, and standardized carriers like FOUPs and cassettes are used, while the individual chips inside are minuscule.

• Pain Point: Cleanroom space is at a premium. Large grippers occupy valuable space and may generate particles. A single tool is needed that can handle both the entire cassette and precisely pick individual chips.
• Solution: The Ultra-Slim Large-Stroke Electric Gripper’s slim nature makes it ideal for clean environments, minimizing airflow disruption and space usage. Its large stroke allows it to easily adapt to different-sized carriers and workpieces, covering tasks from macro to micro operations, thereby enhancing equipment versatility.

3. Pharma & Packaging Industry: Mixed-Size Packaging Line Production
In automated warehousing and logistics sorting, there is a need to handle various parcels, from small medicine boxes to large cartons.

• Pain Point: Sorting robots often have limited gripper strokes, restricting them to handling parcels within a specific size range, resulting in poor system flexibility.
• Solution: A single robot equipped with an Ultra-Slim Large-Stroke Electric Gripper becomes a “universal sorter,” effortlessly handling everything from envelopes to small boxes, dramatically improving the automation level and processing capability of sorting centers.

Advantage Overview – A Comprehensive Victory Over Traditional Grippers

Compared to traditional single-purpose grippers, the Ultra-Slim Large-Stroke Electric Gripper builds a comprehensive competitive advantage:

• Ultimate Space Utilization: The ultra-slim design frees up precious robot wrist space, allowing for the integration of vision cameras, sensors, or other tools to enable more complex applications.
• Unmatched Production Line Flexibility: “One gripper for multiple tasks” drastically reduces the need for dedicated fixtures and downtime for tool changes, supporting “one-piece flow” and highly customized production.
• Reduced Total Cost of Ownership (TCO): While the initial unit cost might be slightly higher, the TCO is significantly lowered by reducing the number of grippers, simplifying equipment structure, increasing line utilization, and lowering maintenance costs.
• Faster and Easier Deployment: Engineers no longer need to struggle with spatial constraints and grasping range limitations, making the integration and commissioning process simpler and faster.
• Data and Controllability: As an electric actuator, it offers precise control over position, speed, and force. All gripping process parameters are adjustable, recordable, and traceable, providing data support for the digital factory.

Selection and Application Guide – Integrating it into Your System

Successfully selecting and integrating the right Ultra-Slim Large-Stroke Electric Gripper involves considering several key factors:

1. Define Requirement Parameters:
   • Stroke Range: Determine the necessary gripping stroke based on the smallest and largest workpieces you need to handle.
   • Body Thickness: Measure the available installation space on the robot wrist or work cell to ensure the gripper can be mounted without interference.
   • Gripping Force: Calculate the required gripping force based on workpiece weight, material, and movement acceleration.
   • Repeatability: Ensure the gripper meets the precision positioning requirements of your application.
2. Interface and Communication:
   • Confirm the gripper’s mounting interface (e.g., flange standard) is compatible with your robot.
   • Select supported communication protocols (e.g., EtherCAT, PROFINET, CANopen, Modbus-TCP) to ensure seamless integration with your existing control system.
3. Integration Practice:
   • Mechanical Installation: Use the provided mounting holes and high-strength screws for secure fixation.
   • Electrical Connection: Connect power and communication cables, paying attention to strain relief and protection.
   • Software Configuration: Use the vendor-provided software or library to easily set the gripper’s stroke, speed, force control, and integrate its logic into your PLC or robot program.

Taking the Junduo Robotics EPG-L Series as an example, it achieves an impressive opening stroke within an ultra-slim body and offers user-friendly configuration software and rich communication options, making the process from selection to integration remarkably smooth.

A Key Building Block for the Future of Automation

In today’s world of intensifying market competition and shortening product life cycles, the flexibility and intelligence of manufacturing systems are no longer optional but essential for survival and growth. The Ultra-Slim Large-Stroke Electric Gripper is a core component underpinning this transformation. With its ingenious design, it resolves the long-standing conflict between space and range in automation, delivering unprecedented flexibility and efficiency to equipment manufacturers and end-users.

It is more than just a grasping tool; it represents an innovation in production philosophy—simplifying system complexity and enhancing overall responsiveness through the intelligence and versatility of its components. Investing in such technology means equipping your automation systems with a powerful gene to adapt to future changes. As collaborative robots, mobile robots, and miniaturized production lines become more prevalent, the Ultra-Slim Large-Stroke Electric Gripper is destined to become an indispensable standard component in intelligent equipment, continually propelling industrial automation towards a more advanced state.

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