Michelin launches dump truck tire XDR2?

Recently, the Michelin Construction Machinery Tire Division launched the long-awaited Michelin XDR2 tires . Designed for dump trucks , this tire is widely used in the harsh environment of mines and quarries. The tire life can be extended by up to 20% over the previous generation of Michelin XDR products. The tire specification covers six sizes from 27.00R49 to 59/80R63.

Michelin XDR2 tires

“The Michelin XDR2 is a work of excellence,” said Luc Minguet, global president of Michelin's construction machinery tire business. “Michelin XDR tires have become classics for dump truck tires and have been used extensively in quarries all over the world for many years. And mines, based on which the further development of the Michelin XDR2, will result in higher productivity, better performance and unquestionable value. It also means lower tire operating costs for users."

In addition to the significant increase in tire tread life, the Michelin XDR2 is thickened by up to 10% between the bottom of the tread rubber layer and the steel wire protective layer, giving the tire greater impact and cut resistance. Michelin XDR2 adopts a new “self-cleaning” tread pattern design, combined with full-depth flower blocks, a 13% increase in central bar (compared to the Michelin XDR) allows tires to be better protected against shocks and Cutting. The evolution of the tread pattern design makes the tire contact area gradually increase during the wear process, and the design of the cooling outlet keeps the tire at a lower operating temperature. With the new non-directional design and other characteristics, the overall performance of the tire is improved.

The Michelin XDR2's carcass uses Michelin C2 technology, which enables tires to operate at a lower temperature overall while maintaining tire running speed and load capacity, thereby maximizing the potential life of the carcass. Compared with Michelin XDR, the protective layer steel wire strength of Michelin XDR2 increases by more than 60%; working layer steel wire can effectively delay the development of rust after tire damage by special treatment; at the same time, the tire sidewall thickness doubled design can provide better protection for the tire. Effect to resist external cutting and abrasion.

The Michelin XDR2 tires have been tested for more than two million hours in real-world conditions, not only at Michelin's test center in Almeria, Spain - it is the only dedicated construction machinery tire in the world. The testing center is also in many challenging environments and venues around the world. A large number of full test work has greatly assisted the development of the tires, thus ensuring that the XDR2 has an excellent balance of overall performance, including longer tread life and greater resistance to damage. In addition, more optimized use of raw materials also implies stronger Environmental protection concept.

The Michelin XDR2 is Michelin's commitment to the preservation of natural resources. Michelin adopts advanced design techniques to achieve optimal distribution of materials and save fuel consumption for vehicles. In addition, the production plant of the Michelin XDR2 has passed ISO 14001 certification and the production of tires does not contain aromatic oils.

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Michelin is the world's leading tire manufacturer with 111,000 employees and sales offices in more than 170 countries. Michelin is committed to the improvement of global sustainable mobility. The tires it designs, manufactures and sells are widely used in airplanes, automobiles, bicycles, heavy bulldozers, agricultural machinery equipment, heavy trucks, motorcycles, and even American space vehicles. At present, Michelin has 72 factories in 19 countries on five continents. In addition, Michelin also publishes travel guides, hotel and restaurant guides, maps, road maps, and electronic services through ViaMichelin.com. Michelin has technology centers in Europe, the United States, and Japan, providing Michelin with continuous support for R&D and technological innovation.

In 1989, Michelin established its first representative office in mainland China in Beijing. In the spirit of a century of innovation, Michelin brought advanced technology and high-quality products to China. At the end of 1995, Michelin Shenyang Tire Co., Ltd. was established. In 2001, Michelin (China) Investment Co., Ltd. was established in Shanghai. Currently, Michelin has four factories in China and has sales offices in Beijing, Shanghai, Guangzhou, Chengdu, Shenyang, Xi'an, and Hong Kong. The sales network is all over the country. Michelin China currently employs 5,500 people and is committed to the development of sustainable mobility in China.

Bed casting

Bed casting

The machine tool bed is a large casting, which adopts high strength cast iron HT250-300 with good toughness and long service life. It is widely used in the processing of instruments, electronics, light industry, standard parts, bearing industry, Auto Parts industry and other parts, especially suitable for non-ferrous metals.


Features of machine tool bed:

(1) Good performance and shock absorption. Graphite in cast iron is beneficial to lubrication and oil storage, so it is powerful. Similarly, due to the existence of graphite, the shock absorption of gray cast iron is better than that of steel.

(2) Powerful process. Because of the high carbon content of gray cast iron, which is close to the eutectic composition, the melting point is relatively low, the fluidity is good, and the shrinkage is small, so it is suitable for castings with complex structures or thin-walled castings. In addition, because graphite is easy to form broken chips during cutting, the machinability of gray cast iron is better than that of steel.

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