Introduction
In the robotics and automation sector, an end effector is a device or tool at the end of a robotic arm or manipulator. It is the part of the robot that interacts with the environment, performs tasks and specific operations. The frame of an end effector is the structure or body that contains the functional components of the tool or device. The design of an end effector frame depends on the specific application and requirements. It provides support and stability to functional components, enabling them to perform their intended tasks effectively and accurately.
Factors such as the type of activity to be performed, the materials to be handled, the desired range of motion, the load capacity and the accuracy required should be considered when selecting an appropriate frame. In general, its structure plays a crucial role in determining the capabilities and performance of a robotic system, allowing it to interact with the environment and perform various tasks efficiently.
Limits of traditional manufacturing for the production of an end effector frame
Traditional manufacturing for producing end effectors frames can involve various processes, such as machining, casting, forging, and assembly. Each phase contributes to lengthening the production times of the frames. These long lead times can impact the agility and responsiveness of robotics development and implementation. As previously mentioned, in order to optimize the functions of the component, it is essential to design it according to specific requirements which can translate into complex geometries, for example to house the sensors, which are difficult to obtain with traditional methods.
In addition, the costs of tools, material waste and labor can significantly affect the overall cost of manufacturing end effectors, especially for low volume and specialized production.
Roboze 3D printing solution
3D printing allows for complex geometries, customization, material versatility, and short lead times, making it particularly suited to producing end effectors frames with unique designs and functional requirements.
Taking advantage of Roboze high performance composites, in this case the CARBON PA PRO, and the design freedom guaranteed by 3D printing, a new monolithic frame has been produced that weighs less than half of the original one. The original component was made of aluminum and assembled in several pieces, with manual processes that were not very repeatable for bending and welding perforated plates. The weight savings on the end effector allowed to choose a robotic arm with a lower load-lifting capacity and, therefore, less expensive. Beyond the economic aspect, lowering the payload, in this application, increases the total efficiency of the plant with a saving in space when setting up new production cells. Therefore massive savings in terms of cost and space.
Furthermore, with Roboze's industrial 3D printing systems, the company has internalized the production process of these frames, at the same time digitizing its warehouse as today it keeps the project in digital format and prints it as needed.
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