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hong kong yidefan electromechanical Co., Ltd., établie à hong kong, en chine en 2021, est une société spécialisée dans la fabrication de machines automatiques, depuis la création de l'entreprise, edefan electromechanical s'engage à créer des équipements électromécaniques de la meilleure qualité pour ses clients, jouant un rôle de soutien dans le domaine de l'automatisation, adhérant aux valeurs fondamentales de "diligence, pragmatisme, apprentissage et persévérance", allant de l'attention attribution de ventilateurs de refroidissement à de grands efforts dans le domaine de l'aviation.à l'heure actuelle, la société exploite plus de 1000 types de produits, réalisant la transformation du petit équipement en gros équipement.Depuis sa création, l'entreprise a reçu 102 types de besoins industriels et a été classée comme « excellent fournisseur de la Chine » par les grandes entreprises industrielles.a remporté le "prix d'honneur de la qualité de l'exportation de machines de hong kong." divers honneurs et qualifications de qualité le champ d'activité de yidefan electromechanical comprend des éléments généraux : ventes de composants électroniques de puissance ; vente au détail de pièces automobiles; vente de dispositifs médicaux de classe i; vente d'équipements spéciaux pour dispositifs à semi-conducteurs; vente d'équipements mécaniques; vente de matériaux de construction; nouveaux matériaux; vente de matériel électrique; vente d'équipements intelligents de transmission et de distribution d'énergie et de contrôle ; vente d'équipements de communication; vente d'équipement de commande de commutateur de distribution; vente de composants électroniques et de composants et équipements électromécaniques; vente d'équipements mécaniques et électriques; vente d'équipements de réfrigération et d'énergies nouvelles; vente d'équipements de séparation et de purification de gaz et de liquides; recherche et développement d'appareils électroménagers; vente d'équipements de transformation des aliments à chauffage électrique; (à l'exception des éléments qui doivent être approuvés conformément à la loi, exercer des activités commerciales de manière indépendante conformément à la loi avec la licence commerciale) face à l'avenir : yidefan electromechanical Co., ltd.assumera toujours la mission industrielle et héritera de la force de la science et de la technologie.sur la voie de l'industrialisation, construire un pont solide pour résoudre les problèmes des grandes entreprises
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hong kong yidefan distribue diverses entreprises électriques et mécaniques de propagande, vous pouvez consulter à tout moment et vous fournir des solutions satisfaisantes et des prix préférentiels. tel:+86-13806028623 WhatsApp: + 86-13806028623 wechat:+86-13806028623
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Dernières nouvelles
Why is the PLC made so flat?
Sep. 28, 2022
Why is the PLC made so flat?
With the continuous reduction of PLC price and the expansion of user demand, more and more small and medium-sized equipment began to choose PLC for control, the application of PLC in China is growing very rapidly. With the rapid development of China's economy and the continuous improvement of the level of domestic automation, PLC in China in the coming period will still adhere to the momentum of rapid growth. Today's PLC products can be divided into three main schools: the United States, Europe and the mouth of this. With the rapid development of China's PLC, the domestic PLC occupies more and more weight. According to statistics, more than 95% of the failure rate of these PLC products appear in the power supply, relays, communication port these places. So how to reduce the failure rate of these places Gu Mei PLC made these changes Power supply external to eliminate 90% of the failure Prevent air temperature changes, humidity changes under the influence of air, dust, ultraviolet light and other factors to damage the equipment. The most prone to failure is generally in the power supply system and communication network system, the power supply in the continuous work, heat dissipation, voltage and current fluctuations in the impact is inevitable. Communication and network by the possibility of external interference, the external environment is one of the biggest factors causing the failure of communication external equipment. At present, the PLC on the market is basically a power supply built-in, while our products use external power supply to eliminate 90% of the failures. Relays with one of the best brands - Omron Business cost control of PLC, selection are dependent on the I/O, I/O module is an important part of the PLC. the PLC's biggest weak link in the I/O port. the technical advantage of the PLC is its I/O port, in the case of the host system's technical level of the difference between no machine, the I/O module is the key component that reflects the performance of the PLC, so it is also a prominent link in the PLC damage. The relay used by Gumei is Omron, one of the world's top ten brands. Communication port special protection RS-232 interface data transmission rate is low, the transmission distance is limited, and the anti-interference ability is poor. RS-422 adopts full-duplex communication mode with differential transmission, and the anticommon mode interference ability is enhanced. GuMei used the 485 port, 485 port than 232 port voltage resistance is high, not easy to burn out. Through these methods, the failure rate of PLC is greatly reduced, and PLC volume is more compact but better performance, these applications in the customer always also get the customer's approval.
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  • September 27 2022
    Application of V-Control PLC and HMI on pipe cutting machine
    Brief introduction Tube cutting machine is a special equipment used to press and cut all kinds of common cardboard, corrugated cardboard, plastic sheet and leather products. It is suitable for printing, packaging and decoration, plastic and other industries. It has the advantages of compact structure, excellent manufacturing, high pressure cutting force, high precision, easy to use, safe and reliable operation, etc. Process requirements Fully automatic mode, using the 3VE's flying shear function, input the length that needs to be cut, and require the error of each cut out tube to be within 5 silk. Program The control system mainly uses the V-Control HMI LEVI-700LK, PLC host using LX3VE-1412MT, servo using position control mode. The brief scheme is as follows: input the length to be cut on the touch screen, set the output, input the number of pulses for one turn of the master and slave axis respectively, and the perimeter of the master and slave axis, etc., click on the parameters to determine, then click on the start, and you can work. Project summary 1, for the sensor position judgment. 2, because the sensor is in front of the nozzle arm, so you need to determine whether it is in the front half or the back half, you need to go through the distance between the sensor and the nozzle arm before rising and falling. 3, the power-on self-test operation, each time the power on should first determine whether the sensor is working properly, the position is right to run.
    Application of V-Control PLC and HMI on pipe cutting machine
  • September 20 2022
    Application of V-Control PLC and HMI on pipe cutting machine
    Application of V-Control PLC and HMI on pipe cutting machine 1. Introduction Tube cutting machine is a special equipment used to press and cut all kinds of common cardboard, corrugated cardboard, plastic sheet and leather products. It is suitable for printing, packaging and decoration, plastic and other industries. It has the advantages of compact structure, excellent manufacturing, high pressure cutting force, high precision, easy to use, safe and reliable operation, etc. 2. Process requirements Fully automatic mode, using the 3VE's flying shear function, input the length that needs to be cut, and require the error of each cut out tube to be within 5 silk. 3.Solution The control system mainly adopts V-Control HMI LEVI-700LK, PLC host using LX3VE-1412MT, servo using position control mode. The brief scheme is as follows: input the length to be cut on the touch screen, set the output, input the number of pulses for one turn of the master and slave axis respectively, and the perimeter of the master and slave axis, etc., click on the parameters to determine, then click on the start, and you can work.
    Application of V-Control PLC and HMI on pipe cutting machine
  • September 19 2022
    Design of PLC controller for central air conditioning application
    Programmable controller due to its application in industrial control is becoming more and more obvious, it has many advantages such as simple compilation, powerful, reliable, simple maintenance, and in many places has gradually replaced the logic control of the relay circuit. At the same time, intelligent central air conditioning is also being widely used, in the case of combining both of them, not only to promote the development of science and technology, but also to improve people's living standards. Key words: PLC control system, intelligent programming, controller 1 Overview 1.1 Introduction With the continuous development of China's economy, a high degree of social information, new high-tech technologies continue to be applied to all aspects, making intelligent has become an inevitable trend of development. Intelligence also often starts from the equipment automation system. This paper is based on personal work experience on a water-cooled screw unit to explain the relationship between PLC control design and intelligent central air conditioning system. 1.2 PLC principle and application of central air conditioning refrigeration system control there are three types of control: the early relay control system, direct digital controller DDC, and PLC (programmable controller) control system. Relay control system has been gradually eliminated due to high failure rate, complex system, power consumption and other obvious shortcomings, although the direct digital controller DDC has been a great development in intelligence. But because of the DDC its own anti-interference ability and the limitations of the hierarchical step-by-step structure and limit the scope of its application. On the contrary, PLC control system with its reliable operation, use and maintenance are very convenient, strong anti-interference ability, suitable for the new high-speed network structure of these significant advantages so that it has gradually been widely used. Programmable controller is a member of the computer family. After it was invented in the middle and end of the last century, it has been widely used in the electrical control of machine tools, conveyor machines of various lines, power generation, chemical industry, electronics and other industries. The early programmable controller is called Programmable Logic Controller (PLC), which is abbreviated as PLC. PLC has many advantages such as powerful, reliable and easy to maintain. PLC has many advantages such as powerful, reliable, and easy to maintain. For the traditional relay circuit, it is difficult to achieve complex logic functions and digital control, and to achieve a certain scale of logic control function is not only cumbersome to design, difficult to achieve upgrades, and prone to failure, complex maintenance, has now been abandoned by the control system of medium and large equipment. And PLC is being widely used and has gradually replaced the logic control of the relay circuit. With the continuous developmen...
    Design of PLC controller for central air conditioning application

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