Recently, Tianjin Jinhu Tire Quality Incident has aroused strong reactions in the society and has also caused great shocks in the tire industry. The China Rubber Industry Association is very concerned and attaches great importance to it. Regarding how the tire industry learned the lessons of this incident, on March 22nd, Fan Rende, president of the China Rubber Industry Association, made public his opinion for the first time and put forward four requirements. He stressed that tire companies must strengthen self-discipline, strengthen enterprise quality management, and apply the concept of quality first to all aspects of production to produce safe and reliable tire products.
Fan Rende said that tires are an important product related to the safety of people's lives and properties. The quality of the incident occurred at Tianjin Jinhu Tire was serious. Now Kumho Tire executives have publicly expressed their apologies and promised to recall problem tires. We think this is a good start. We hope that Kumho will strengthen its corporate reorganization and implement the recall of problem tires as soon as possible.
Fan Rende believes that this incident has caused great shocks in the tire industry, but also caused the industry to reflect on, should learn from it. In response, he proposed four requirements to the tire companies:
First, tire companies must strengthen process management. For example, in the tire production process, it is allowed to use plastics in return. In the past, the country also had relevant process regulations, but companies must strictly follow the process standards and should adopt more stringent standards.
The second is to strengthen enterprise management and promote 6S management in the industry. 6S management is an effective on-site management concept and method for modern factories. Its role is to improve efficiency, ensure quality, make the work environment clean and orderly, and focus on prevention and ensure safety. To strengthen management can prevent process errors and ensure the quality of semi-finished products in each process to ensure tire quality.
Third, tire companies must correctly handle the two relationships. The first is the relationship between quantity and quality. Due to the expansion of market demand, tire companies are now expanding their production scale, but at the same time of scale expansion, they must deal with the relationship between quantity and quality. Quality must be the first priority. Second, quality. The relationship with the cost. At present, the prices of natural rubber and other raw materials have risen sharply, the pressure on tire companies has greatly increased, and corporate profits have fallen sharply. However, in spite of this, companies should not reduce the quality requirements for tire products and must establish a concept of quality above all else.
Fourth, the tire industry should give an analogy to this incident. This incident only reflects the problem of not using plastics in accordance with the requirements of technical regulations. However, this is not only a link in the production of tires. It is necessary to ensure that the quality of tires can be ensured by comprehensive inspections from raw material inspection, semi-finished products inspection and finished product inspection. , Produce safe and reliable tires.
It is understood that in the tire production process allows the use of return glue, but must be used in strict accordance with the process standards. The “District Regulations for Meridian Tire Technology†formulated by the Rubber Division of the former Ministry of Chemical Industry in May 1991 clearly stipulates that the percentage of rubber that is returned to the tire in the tread pressing process is not more than 20%; the side rubber, the shoulder pads, and the triangle In the rubber extrusion process, the return glue should be separated and sorted according to the type of glue, and mixed after the film is used, and the proportion of blending should not exceed 20%. The former Department of Production and Coordination of the Ministry of Chemical Industry specified on February 19, 1998, in the “Some Regulations for Biased Tire Process Technology†issued by Huasheng Rubber (1998) No. 14, that it is specified in the extrusion process that plastics are returned to be mixed evenly. The proportion of the same kind of compound is not more than 30%. For the compound tread composed of two or more types of rubber, the crown and side cut must be mixed separately, and the part that cannot be completely cut back to the plastic. Dosage ratio is not more than 20%. The above process regulations should be the most basic requirements of the industry. Each tire factory should develop more detailed and strict internal control standards according to its own process and equipment conditions.
After the cancellation of the Ministry of Chemical Industry, the industry has no longer revised the technical regulations for tires. Moreover, due to the development and progress of tire technology, the development of high-performance tires such as tubeless tires, flat tires, etc., tire production process technology has greatly improved over the past. At present, tire factory technical regulations of all factories are based on the national regulations of the past, based on the actual conditions of the factory and many years of accumulated experience, according to the differences in their own process and equipment differences, under the premise of ensuring the quality of tires Return to the blending ratio standard.
Fan Rende also appealed that the state should implement the tire recall system as soon as possible. This is not only responsible for consumers, but also responsible for tire companies, and can promote enterprises to pay more attention to product quality. He also said that the Rubber Association will also actively promote the tire companies to strengthen quality management, strict process regulations, the association can organize the development of tire industry quality management self-regulation, while strengthening the association quality credit and brand recommendation, so that the concept of quality first throughout the industry .
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