From January to August, the output of rubber tires in China was 62.201 million, an increase of 6.9% year-on-year. Compared with previous years, the product structure of the tire industry in China is irrational, there are few original technologies, the number of companies increases, and the market competition is disordered. Experts said that China's tire industry has entered the "micro-growth" period.
Experts predict that “micro-growth†will lead to three problems in the tire industry: First, the structural overcapacity problems highlighted, especially the structural excess of ordinary tires, disorderly expansion of production capacity, resulting in waste of resources, affecting industrial restructuring, resulting in a vicious Competition; Second, business costs continue to rise, transportation, environmental protection, labor, water and electricity and other costs continue to increase; Third, leading to increased natural rubber price fluctuations, causing difficulties to the business.
Some analysts believe that in 2013, domestic and foreign market demand has expanded slightly, and “micro-growth†may become medium-low growth, but in recent years, the market downturn cannot be completely changed. However, in the long run, China’s automobile production and sales volume ranks first in the world for four consecutive years, and the per capita car ownership is less than half of the world’s average, and the potential for car consumption is greater.
"Micro-growth" forced the tire industry to upgrade. The production of green tires, relying on technological innovation to achieve high-end development is the only way for the tire industry to go through the bottom, specifically to eliminate backward production capacity and achieve high-end products; Second, to achieve high-end equipment, the introduction of industrial robot technology, promote tire production automation, intelligent Development; Third, we must achieve high-end market, and expand services around products.
Promoting the industrialization of green tires can cope with the implementation of the EU Tire Labeling Act and promote the overall transformation and upgrading of the tire industry in China.
According to calculations, all truck tires in China are replaced with tubeless tires, which can save 1.4 billion liters of fuel per year, reduce carbon dioxide emissions by 3.1 million tons, and save 120,000 tons of raw rubber. China will formulate "green tire industry self-discipline" and establish a green tire technical support center to form a complete set of green tire production technology and standardized production model, and establish a tire grading system.
Extrusion molding, also known as extrusion molding or extrusion molding, mainly refers to a molding method in which heated and melted polymer materials are forcibly formed into continuous profiles with constant cross-section through the die under the promotion of pressure with the help of the extrusion of screw or plunger. Extrusion process mainly includes feeding, melting and plasticizing, extrusion, shaping and cooling.
Extrusion molding is an efficient, continuous, low-cost and wide-ranging molding processing method. It is an early technology in polymer material processing. After more than 100 years of development, extrusion molding is a molding processing method with the most production varieties, the most changes, high productivity, strong adaptability, wide applications and the largest proportion of output in the field of polymer processing.
Pu plastic extrusion is also known as extrusion in plastic processing. In non rubber extruder processing, it uses hydraulic press pressure to extrude the die itself. It refers to a processing method in which materials are heated and plasticized while being pushed forward by the screw through the action between the extruder barrel and the screw, and continuously pass through the machine head to make products or semi-finished products with various sections.
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