The reporter was informed that through the multiple inspections of the Jingong Machinery Technology Center and the quality control department, the new JGM9075L-II, a 7-ton wheeled hydraulic excavator, was launched in mid-November 2015 and officially launched. In recent years, Jingong Machinery Co., Ltd. has adhered to the development path of technological innovation and differentiated product innovation, and has created its own unique business model through continuous exploration of market demand. Deputy General Manager Zhao Jiahong told the China Industry News that the secret of Jingong Machinery leading the industry development is to adhere to the technology leadership and master the technology of key core components. For example, despite the shrinking demand in the construction machinery industry, the company's sales of large-tonnage forklift trucks are steadily rising. The world's first 48-ton forklift machine, as a high-end customized version of the product, has already served customers in the mine and received customers. Praise, the order should not be overwhelmed. The new JGM9075L-II, a 7-ton wheeled hydraulic excavator that has just been off the assembly line, is another breakthrough in the field of wheel excavation by Jingong Machinery Company. Zhao Jiahong said that the new JGM9075L-II, a 7-ton wheeled hydraulic excavator, has the following remarkable innovations: First, the appearance is more fashionable and safer. The new appearance of JGM9075L-II not only has elegant and smooth lines, but also looks stylish and beautiful. The color matching is refreshing and eye-catching, which relieves the visual and psychological fatigue of the operator and makes the work safer. Second, the production process has been greatly improved. The whole machine adopts topcoat assembly: all structural parts and cover parts are treated by pickling and phosphating, etc. After the treatment, the primer, the intermediate coating and the topcoat are processed to ensure the durability of the paint. The structural parts (working devices) are robot welded to ensure uniform and firm welds; ultrasonic flaw detection after welding, timely detection of unqualified welds and elimination of hidden dangers. Second, the technology is optimized. First, the overall center of gravity layout is optimized, taking into account the depth of excavation and the stability of the whole machine, and reducing the load on the front axle, extending the service life of the front axle, rocking frame, balance cylinder and other accessories. The second is to optimize the opening characteristics of the multi-way valve, which can balance the strength and speed, making the operation more comfortable and coherent. There is also a comprehensive upgrade of the configuration. The use of a larger power rotary motor, the displacement is greatly improved, the turning force is increased by 21%, so that the problem of small turning power of the domestic digging machine is quite solved. The gearbox and bridge with larger transmission ratio greatly improve the climbing performance of the excavator and prolong the service life of the differential. The bulldozer is enlarged and the box type bulldozer is used, which is stronger and more efficient. There is also the upgrade of 7.50~16 tires to 8.25~16 tires. The wider tires provide strong support and increase the stability of the whole machine. According to experts, the new JGM9075L-II and its variants of the 7-ton wheeled hydraulic excavator are the highest technical configuration of the same kind of domestic economic products (6T, 6.5T, 7T). The main indicators such as digging force, working speed, working range, production efficiency, energy consumption, driving speed and operational comfort of this model are all at the domestic first-class level. Zhang Wenzhong of Jingong Machinery Technology Center told China Industry News that Jinong JGM9075L-II uses a fully open hood to facilitate maintenance and improve work efficiency. The fuel uses multi-stage filtration to improve the reliability of the engine under severe conditions. Enhanced working equipment such as booms, sticks and buckets ensure strong digging forces in harsh working conditions. JGM9075L-II optional components are air-conditioning, bulldozers; buckets of various widths; wood clamps, stone clips, breakers, augers and other accessories. Concerned about surprises
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