China's printing and dyeing machinery has experienced advances from Type 54, Type 65, Type 74 to Type 96. On the basis of extensive use of PLC technology, it has basically achieved the simultaneous development of the level of printing and dyeing machinery and the international advanced level. However, in terms of control technology, especially the bottleneck problem of “process parameter online detectionâ€, it is far from abroad. “In-country monitoring of some process parameters such as tension, concentration, moisture content, etc., which have important influences on product quality and environmental protection and energy conservation, are in a start-up or blank state.†Gu Ren, Chairman of the company, on-line monitoring of domestic process parameters This is described.
For example, in the existing printing and dyeing machinery synchronous transmission system, the tension control can only be used to ensure the smooth transmission of the fabric, and the weight or cylinder pressure device on the elastic frame is used. This qualitative solution is It can meet the demand of large-scale processing to a certain extent, but it can not meet the tension quantification requirements of small batch and multi-variety fabric production process, and this is precisely one of the trends of printing and dyeing production under the WTO background. To this end, Changzhou Hongda began with the key points of market demand and began research and development with independent intellectual property rights.
The synchronous transmission system based on "constant tension" replaces the existing "constant linear speed" synchronous system, which is one of the research and development directions of the company's R&D layer represented by Gu Ren. After a long period of observation, the company decided to use constant tension as a breakthrough to increase the research and development of printing and dyeing automation technology. To this end, the company invested 20 million yuan in the Changzhou Economic Development Zone, covering an area of ​​13,800 square meters, to build a printing and dyeing equipment engineering center, and cooperate with well-known domestic printing and dyeing enterprises and universities to establish their own high-level development platform. One of the results of this decision is that Hongda has developed a synchronous transmission control system based on tension monitoring to solve the problem of constant tension synchronization. The Sangma Awards jury believes that this device overcomes the difficulties of tension and speed fluctuations, solves the problems of small adjustable tension range and poor adaptability of varieties, and adapts to the small batch, multi-variety and fast delivery required by the printing and dyeing industry. Situation requirements.
The core technology of Hongda's constant tension control has enabled the company to expand its development space. They have successfully developed a high-performance AC variable frequency vector control giant jigger in response to market demand. At the same time, Hongda Company has successively completed quantitative research on important process parameters such as cloth surface temperature monitoring, residual water content measurement, on-line monitoring of alkalinity and pH value detection. These results together with constant tension constitute the company's process parameters online. The main content of monitoring has become one of the most important scientific research achievements of the company since 2005.
“Changzhou Hongda has developed a series of online monitoring and dyeing process parameters to effectively improve the automation level of China's printing and dyeing equipment, and provide guarantee for the sustainable development of the printing and dyeing industry.†Gu Ren evaluated the online monitoring equipment developed in the award report. This means that when the system was developed, it has already paid attention to and began to solve another problem faced by the printing and dyeing industry - pollution. Many raw materials that are continuously developed as strategic printing and dyeing processes may cause environmental pollution. For example, widely used metal complex dyes can produce heavy metals such as chromium, cobalt and copper which are seriously harmful to the environment. Therefore, the company's online monitoring system is based on the actual situation of production process and environment. For example, the development of an alkali concentration online monitoring system, Changzhou Hongda through the advanced photoelectric technology for high-quality detection of lye concentration, automatic compensation of parameters, and through computer processing, with automatic ingredients, automatic feeding and other functions. Gu Ren said that it is this automatic dosing and feeding function that accurately quantifies the amount of alkali, so that the company can save at least 25% of the amount of alkali, greatly improve the utilization of alkali, and achieve the effect of saving cost and protecting the environment. .
If an industry needs sustainable development, it needs information, automation and digitization, as well as environmental protection and energy conservation control costs. Under the leadership of Chairman Gu Ren, Changzhou Hongda uses advanced detection technology to improve the intelligence level of the printing and dyeing industry, while paying attention to the requirements of environmental protection and energy conservation in the industry, and truly promotes the sustainable development of the printing and dyeing industry with the power of science and technology.
For example, in the existing printing and dyeing machinery synchronous transmission system, the tension control can only be used to ensure the smooth transmission of the fabric, and the weight or cylinder pressure device on the elastic frame is used. This qualitative solution is It can meet the demand of large-scale processing to a certain extent, but it can not meet the tension quantification requirements of small batch and multi-variety fabric production process, and this is precisely one of the trends of printing and dyeing production under the WTO background. To this end, Changzhou Hongda began with the key points of market demand and began research and development with independent intellectual property rights.
The synchronous transmission system based on "constant tension" replaces the existing "constant linear speed" synchronous system, which is one of the research and development directions of the company's R&D layer represented by Gu Ren. After a long period of observation, the company decided to use constant tension as a breakthrough to increase the research and development of printing and dyeing automation technology. To this end, the company invested 20 million yuan in the Changzhou Economic Development Zone, covering an area of ​​13,800 square meters, to build a printing and dyeing equipment engineering center, and cooperate with well-known domestic printing and dyeing enterprises and universities to establish their own high-level development platform. One of the results of this decision is that Hongda has developed a synchronous transmission control system based on tension monitoring to solve the problem of constant tension synchronization. The Sangma Awards jury believes that this device overcomes the difficulties of tension and speed fluctuations, solves the problems of small adjustable tension range and poor adaptability of varieties, and adapts to the small batch, multi-variety and fast delivery required by the printing and dyeing industry. Situation requirements.
The core technology of Hongda's constant tension control has enabled the company to expand its development space. They have successfully developed a high-performance AC variable frequency vector control giant jigger in response to market demand. At the same time, Hongda Company has successively completed quantitative research on important process parameters such as cloth surface temperature monitoring, residual water content measurement, on-line monitoring of alkalinity and pH value detection. These results together with constant tension constitute the company's process parameters online. The main content of monitoring has become one of the most important scientific research achievements of the company since 2005.
“Changzhou Hongda has developed a series of online monitoring and dyeing process parameters to effectively improve the automation level of China's printing and dyeing equipment, and provide guarantee for the sustainable development of the printing and dyeing industry.†Gu Ren evaluated the online monitoring equipment developed in the award report. This means that when the system was developed, it has already paid attention to and began to solve another problem faced by the printing and dyeing industry - pollution. Many raw materials that are continuously developed as strategic printing and dyeing processes may cause environmental pollution. For example, widely used metal complex dyes can produce heavy metals such as chromium, cobalt and copper which are seriously harmful to the environment. Therefore, the company's online monitoring system is based on the actual situation of production process and environment. For example, the development of an alkali concentration online monitoring system, Changzhou Hongda through the advanced photoelectric technology for high-quality detection of lye concentration, automatic compensation of parameters, and through computer processing, with automatic ingredients, automatic feeding and other functions. Gu Ren said that it is this automatic dosing and feeding function that accurately quantifies the amount of alkali, so that the company can save at least 25% of the amount of alkali, greatly improve the utilization of alkali, and achieve the effect of saving cost and protecting the environment. .
If an industry needs sustainable development, it needs information, automation and digitization, as well as environmental protection and energy conservation control costs. Under the leadership of Chairman Gu Ren, Changzhou Hongda uses advanced detection technology to improve the intelligence level of the printing and dyeing industry, while paying attention to the requirements of environmental protection and energy conservation in the industry, and truly promotes the sustainable development of the printing and dyeing industry with the power of science and technology.
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Screwcaps/Ropp closures
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