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Micropinza: nuevo dispositivo para manipular microcomponentes

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOIT20190211001
Publicado:
28/02/2019
Caducidad:
29/02/2020
Resumen:
Un instituto de investigación italiano especializado en tecnologías industriales y automatización, con amplia experiencia y know-how en robótica aplicada y microrrobótica, ha desarrollado un dispositivo de manipulación para agarrar microcomponentes mediante vacío que integra un nuevo sistema asistido por vacío para facilitar su liberación. La manipulación de microcomponentes es muy complicada. La liberación es una fase crítica de la operación de manipulación. De hecho, muchas veces los componentes se adhieren a la pinza y, puesto que la fuerza gravitatoria no supera la fuerza de adhesión, la liberación es incierta y poco fiable. El sistema es de gran ayuda para empresas que fabrican, integran o utilizan dispositivos de manipulación y buscan nuevos métodos y herramientas de micromanipulación. La cooperación se establecerá en el marco de un acuerdo de licencia, investigación o cooperación técnica.

Details

Tittle:
Micro-gripper: an innovative device for the manipulation of micro-components
Summary:
An Italian Research Institute has developed a manipulation device that allows the gripping by vacuum of micro-components and integrates a novel, vacuum-assisted system to support their release. The manipulation of micro components is very challenging, and this system can be helpful for companies that manufacture, integrate or use manipulation devices and looking for innovative micromanipulation methods and tools, by means of licence, research or technical cooperation agreement.
Description:
The Institute of Research from Italy is skilled in industrial technologies and automation, with in-depth expertise and know-how on applied robotics and micro-robotics.
A group of research from the Institute has conceived an innovative manipulation device of millimetric and sub-millimetric components, here called micro-gripper.
The manipulation of millimetric and sub-millimetric components is very challenging due to the predominance of the superficial adhesion forces over the gravitational one and the release phase becomes particularly critical, uncertain, and unreliable.
In fact, the manipulation of millimetric and sub-millimetric components presents several issues, often negligible at the macro-scale. Indeed, at the micro-scale, the high surface-to-volume ratio leads to the predominance of the superficial forces (e.g. electrostatic, van der Waals and capillary forces) over the gravitational force; therefore, the manipulation of micro-parts is very challenging. The release is particularly a critical phase of the manipulation operation. In fact, the components often stick to the gripper and, since the gravitational force does not overcome the adhesion force, their release becomes uncertain and unreliable.
Such needs are present in different application fields, as electronics (for instance in manufacturing and re-manufacturing applications), micro-mechanics, packaging, telecommunication, automotive, medicine, biomedical devices, jewelry etc.
Starting from the prior art problems depicted above, the researchers invented an innovative method for manipulating (grasping and releasing) micro-components, of different shape and dimension, by using vacuum forces; also they set up a new vacuum micro-gripping device adopting said method, realising an innovative micro-gripper able to cope with the micro-parts release issues.
Vacuum grippers are simple, cheap and allow the manipulation of a large variety of components as long as their surface is smooth and not porous. Due to the superficial forces, the release can be an issue (sticking), reducing therefore their possible range of applications. Many solutions have been implemented so far to improve the release phase, such as the use of a soft blow or additional tools, but their drawbacks make them unsuitable in several applications.
This new vacuum manipulation device (micro-gripper) uses the same actuating system (a vacuum pump) for grasping the parts and controlling an innovative mechanical system to assist the release. The mechanical system is inside the gripper body and can move between two main positions, one of which allows the grasping of the component by vacuum and the other forces and improves its release as soon as the pump is turned off. It allows to manipulate micro-parts of di¿erent shape and material.
They are looking for industrial partners interested in exploiting the technology by means of a license agreement or research and technical cooperation agreements.
Advantages and Innovations:
The micro-gripper conceived is effective, simple, low-cost, low-weight, easy to use, and to integrate inside a manipulation system.
The device allows the precise, reliable and safe manipulation of micro-parts, also of different shapes and materials, avoiding any considerable increase in weight nor excessive complication of the system. Moreover, it can be easily mounted on a robot or integrated on a manual or tele-operated manipulation system.
The presented micro-gripper can be fruitfully applied in several industrial fields, such as electronics (e.g. (re-)manufacturing applications), micro-mechanics, packaging, telecommunication, automotive, medicine, biomedical devices, jewellery etc.
Stage of Development:
Prototype available for demonstration
IPs:
Patents granted
CommeR Statunts Regarding IPR Status:
The patent has been granted both in Italy and in Europe; the European patent has been validated in France, Germany, United Kingdom and Switzerland.

Partner sought

Type and Role of Partner Sought:
The expected partners are companies working in fields such as electronics (e.g. (re-)manufacturing applications), micro-mechanics, packaging, telecommunication, automotive, medicine, biomedical devices, jewellery, etc., that manufacture, integrate or use manipulation devices and looking for innovative micromanipulation methods and tools. They should be interested in exploiting the technology by means of a license agreement. Further developments of the technology may be performed throughout application driven research and innovation actions.
The expected partners are SMEs and MNEs, manufacturers or system integrators of small products, such as in the field of electronics (e.g. (re-)manufacturing applications), micro-mechanics, packaging, telecommunication, automotive, medicine, biomedical devices, jewellery. They should be interested in exploiting the technology by means of a research and technical cooperation agreement.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
Italian

Keywords

Technology Keywords:
01001001 Automation, Robotics Control Systems
005007001 Micro-Mechanics
02002018 Microassembly, nanoassembly
02002019 Microposicionamiento, nanoposicionamiento
05003003 Vacío