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Yaskawa desarrolla MotoSense, una solución de visión de altas prestacionesYaskawa Develops MotoSense, a solution of vision of high provision
9 November 2012
Yaskawa has developed MotoSense, a solution that offers research of cord of welding and follow-up of board with adaptative contribution for critical applications like the welding TIG. This system of vision is entirely integrated cheese cheese with the control of the robot through communications TCP and can detect and follow boards.
A robot Motoman of Yaskawa keeps suspended of a portico that attends two stations of work, where each one comprises a posicionador of two axles servocontrolados. The robot is instrumented with a team of welding TIG with feeding of external thread to solder groups of thin pieces of stainless steel. These use usually in the pharmaceutical industry, chemical and alimentary, where exist strict requirements of hygiene. The boards of welding have to present a soft profile, without sharp edges or cracks where could remain trapped impurities. The groups sueldan by points before realising the welding with the robot.
Like the batches of production are short and the costs of the toolings of welding are high, these simplify to the maximum. Because of the big size of the groups, the global dimensional tolerance can reach the 20 mm. The requirements of precision that has to fulfil the geometry of the piece in welding TIG robotizada are critical, and typically have to remain inside a tolerance of 0,3 mm.
After an extensive study of market, Yaskawa established that the solutions of follow-up of existent board were not able to detect and realise a suitable follow-up of boards with tolerances so big and with request of perfect lace between the parts. With the knowledge and experience accumulated previously in other applications in this field, Yaskawa developed and implemented a solution of follow-up of board customizada: MotoSense.
The adaptative system of vision MotoSense allows to the robot detect the location of the cord, as well as the follow-up of board in corners, extremes and superposiciones. Besides, the system of vision can compensate the variations of the distance of separation and adjust the parameters of welding to ensure perfect results.
Using MotoSense can achieve a considerable improvement of the automation of the welding, the speed of production, the quality and the aesthetics.
Besides remain practically deleted, by unnecessary, the operations of rectified back to the welding. MotoSense Can use easily in other applications where the adaptative behaviour was of great importance, such as the welding laser, the inspection, the guided laser or the picking robotizado.
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