|
Komatsu D475
The Komatsu D475A is the second largest bulldozer in the Komatsu line after the D575A, the world's largest production bulldozer. The current version is the , D475A-8 Tier 4. There are several versions of the D475A that are used in surface mining, open-pit mining, quarries and construction Construction is a general term meaning the art and science to form Physical object, objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Pr ... worldwide. The D475A-1 was introduced in 1986 as a replacement for the D455A. See also * Komatsu D575A * Caterpillar D10 * Caterpillar D11 References Further reading * * External links Komatsu America Corp. D475A-5 Tier 2 product page(archived on 2010-10-26) Komatsu D475A-5 With Tier 2 Engine Product Brochure AESS724-00 04/06 (EV-1)(archived on 2010-10-26) Dozer's Guide Komatsu vehicles Komatsu bulldozers Tracked vehicles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bulldozer
A bulldozer or dozer (also called a crawler) is a large, motorized machine equipped with a metal blade to the front for pushing material: soil, sand, snow, rubble, or rock during construction work. It travels most commonly on continuous tracks, though specialized models riding on large off-road tires are also produced. Its most popular accessory is a ripper, a large hook-like device mounted singly or in multiples in the rear to loosen dense materials. Bulldozers are used heavily in large and small scale construction, road building, minings and quarrying, on farms, in heavy industry factories, and in military applications in both peace and wartime. The word "bulldozer" refers only to a motorized unit fitted with a blade designed for pushing. The word is sometimes used inaccurately for other heavy equipment such as a front-end loader designed for carrying rather than pushing material. Description Typically, bulldozers are large and powerful tracked heavy equipment. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Komatsu Limited
or () is a Japanese multinational corporation that manufactures construction, mining, forestry and military equipment, as well as diesel engines and industrial equipment like press machines, lasers and thermoelectric generators. Its headquarters are in Minato, Tokyo, Japan. The corporation was named after the city of Komatsu, Ishikawa Prefecture, where the company was founded in 1921. Worldwide, the Komatsu Group consists of Komatsu Ltd. and 258 other companies (215 consolidated subsidiaries and 42 companies accounted for by the equity method). Komatsu is the world's second largest manufacturer of construction equipment and mining equipment after Caterpillar. However, in some areas (Japan, China), Komatsu has a larger share than Caterpillar. It has manufacturing operations in Japan, Asia, Americas and Europe. The word ''ko-matsu'' means "small pine tree" () in Japanese. History Komatsu Iron Works was started by Takeuchi Mining Industry as a subsidiary to make industrial t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Komatsu D575A
The Komatsu D575A is a tractor crawler produced in a 'SR' or Super Ripper bulldozer/ripper configuration, or as a dedicated bulldozer in the form of the 'SD' or Super Dozer. Both models can move of material per pass using the standard blade. The D575A-3 SD Super Dozer can move of material per pass if equipped with an optional blade. The D575A-3 can dig to a maximum depth of using its single-shank ripper. Commonly referred to as the 'world's largest production bulldozer', the D575A series bulldozers were produced by Komatsu Ltd. in Osaka, Japan. Surface mine operators in the United States, Australia and Japan were the primary users of the D575A, although they were sometimes used in heavy construction applications and quarries as well. Development Komatsu first showed a bulldozer prototype, the D555A, to the public at the Conexpo equipment exhibition in Houston, Texas in 1981. Due to economic conditions at the time, development was stalled for much of the 1980s. A success ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surface Mining
Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels. In North America, where the majority of surface coal mining occurs, this method began to be used in the mid-16th century and is practiced throughout the world in the mining of many different minerals. In North America, surface mining gained popularity throughout the 20th century, and surface mines now produce most of the coal mined in the United States. In most forms of surface mining, heavy equipment, such as earthmovers, first remove the overburden. Next, large machines, such as dragline excavators or bucket-wheel excavators, extract the mineral. The pros of surface mining are that it has a lower financial cost and is a lot safer than undergrou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Open-pit Mining
Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, is a surface mining technique of extracting rock or minerals from the earth from an open-air pit, sometimes known as a borrow. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining. Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface. It is applied to ore or rocks found at the surface because the overburden is relatively thin or the material of interest is structurally unsuitable for tunnelling (as would be the case for cinder, sand, and gravel). In contrast, minerals that have been found underground but are difficult to retrieve due to hard rock, can be reached using a form of underground mining. To create an open-pit mine, the miners must determine the information of the ore that is underground. This is done through drilling of probe holes in the ground, then plotting ea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quarry
A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some jurisdictions to reduce their environmental impact. The word ''quarry'' can also include the underground quarrying for stone, such as Bath stone. Types of rock Types of rock extracted from quarries include: *Chalk *China clay *Cinder *Clay *Coal * Construction aggregate (sand and gravel) * Coquina * Diabase *Gabbro *Granite * Gritstone *Gypsum *Limestone *Marble *Ores *Phosphate rock *Quartz *Sandstone * Slate *Travertine Stone quarry Stone quarry is an outdated term for mining construction rocks (limestone, marble, granite, sandstone, etc.). There are open types (called quarries, or open-pit mines) and closed types ( mines and caves). For thousands of years, only hand tools had been used in quarries. In the 18th century, the use of drilling and blasting operatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Construction
Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and comes from Latin ''constructio'' (from ''com-'' "together" and ''struere'' "to pile up") and Old French ''construction''. To construct is the verb: the act of building, and the noun is construction: how something is built, the nature of its structure. In its most widely used context, construction covers the processes involved in delivering buildings, infrastructure, industrial facilities and associated activities through to the end of their life. It typically starts with planning, financing, and design, and continues until the asset is built and ready for use; construction also covers repairs and maintenance work, any works to expand, extend and improve the asset, and its eventual demolition, dismantling or decommissioning. The constructio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caterpillar D10
The Caterpillar D10 is a track-type tractor manufactured by Caterpillar Inc. (then called the Caterpillar Tractor Company). It was the first modern tractor to use the elevated drive sprocket to improve durability, operator comfort, and ease of maintenance. History The Caterpillar D10 was the result of a need for a tractor larger than the Caterpillar D9. At this time, competitors were building bulldozers that were more powerful than the D9. Allis Chalmers introduced at Conexpo 69 in Chicago a HD-41 which was the largest crawler in the world. In 1974 after AC and Fiat merged their construction equipment divisions the 41-B was introduced. For example, the Fiat-Allis 41-B track-type tractor had at the time, while the D9H had . In 1976 Japanese company Komatsu came out with an even larger bulldozer called the D455A at and . The first pilot D10 was D10X1 and was shown in July 1973 at a big Caterpillar corporate meeting. Other prototypes would follow in 1975 and 1977. In March 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caterpillar D11
The Caterpillar D11T is a large bulldozer, manufactured by Caterpillar Inc. in East Peoria, Illinois, and mainly used in the mining industry. Primarily designed as a bulldozer, it is also used for push-loading scrapers, and ripping rock overburden. History D11N The D11N was introduced in February 1986 to replace the D10. The D11N had some major improvements over the D10: it includes a bigger track and blade, and a longer track by . The U blade was just under long and high. This increased the blade capacity to . The D11N's weight was . It was powered by a , 3508 V-8 diesel engine. The D11N's improvements made it over 10 percent more productive than the D10. In 1987 a hydraulically powered impact ripper was added to the D11N which raised the weight up to . This would become known as the D11N Impact Ripper. D11R & D11R Carrydozer The D11R and D11R Carrydozer were introduced in Las Vegas, Nevada, at MINExpo International in 1996. Both were and that would be increased to later i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Komatsu Vehicles , a cadet branch of the Japanese royal family
{{disambiguation, geo ...
Komatsu may refer to: * Komatsu (surname), a Japanese surname *Komatsu, Ishikawa, a city in the Ishikawa prefecture in Japan *Komatsu Airport, an airport *Komatsu Limited, a company mostly known for manufacturing industrial machinery * Komatsu LAV, an armoured car * Komatsu, Ehime, a former town, merged into Saijō, Ehime * Komatsu (Japanese restaurant), a Japanese restaurant in Yokosuka, Kanagawa, Japan *Komatsu College, a private junior college in Komatsu, Ishikawa, Japan, established in 1988 See also *Komatsu-no-miya The Komatsu House (''Komatsu-no-miya'') or Higashifushimi (東伏見) ''ōke'' (princely house) was the sixth oldest branch of the Imperial House of Japan, created from branches of the Fushimi-no-miya house, presently extinct. It was founded by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Komatsu Bulldozers , a cadet branch of the Japanese royal family
{{disambiguation, geo ...
Komatsu may refer to: * Komatsu (surname), a Japanese surname *Komatsu, Ishikawa, a city in the Ishikawa prefecture in Japan *Komatsu Airport, an airport *Komatsu Limited, a company mostly known for manufacturing industrial machinery * Komatsu LAV, an armoured car * Komatsu, Ehime, a former town, merged into Saijō, Ehime * Komatsu (Japanese restaurant), a Japanese restaurant in Yokosuka, Kanagawa, Japan *Komatsu College, a private junior college in Komatsu, Ishikawa, Japan, established in 1988 See also *Komatsu-no-miya The Komatsu House (''Komatsu-no-miya'') or Higashifushimi (東伏見) ''ōke'' (princely house) was the sixth oldest branch of the Imperial House of Japan, created from branches of the Fushimi-no-miya house, presently extinct. It was founded by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tracked Vehicles
Continuous track is a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the weight of the vehicle better than steel or rubber tires on an equivalent vehicle, enabling continuous tracked vehicles to traverse soft ground with less likelihood of becoming stuck due to sinking. Modern continuous tracks can be made with soft belts of synthetic rubber, reinforced with steel wires, in the case of lighter agricultural machinery. The more common classical type is a solid chain track made of steel plates (with or without rubber pads), also called caterpillar tread or tank tread, which is preferred for robust and heavy construction vehicles and military vehicles. The prominent treads of the metal plates are both hard-wearing and damage resistant, especially in comparison to rubber tyres. The aggressive treads of the tracks provide good trac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> Caterpillar D10")
