With the accelerating pace of industrialization and urbanization in China, the bottleneck restriction of resources and environment on economic and social development has become increasingly evident. Under the new situation, accelerating the contract energy management and actively developing the energy-saving service industry is to use market mechanisms to promote energy conservation and emission reduction, The effective measures for greenhouse gas emissions are an urgent requirement to cultivate strategic emerging industries and form new economic growth points. They are objective needs for building a resource-saving and environment-friendly society. Innovation runs through the development of energy-saving service industry in our country.
At present, China's energy utilization rate is around 33%, 10 percentage points lower than that of developed countries. Energy-saving service industry as a policy-driven industry, its rapid development has been inseparable from the policy support, the National Development and Reform Commission in the country selected 30 cities to carry out comprehensive energy-saving emission reduction work to the city as a platform to integrate financial resources, leveraging social funds If the demonstration target can not be completed, the financial support fund will be withdrawn.
In addition, the "financing difficulties" bottlenecks that plagued the development of energy-saving service industries have been gradually solved. Financial institutions continue to innovate products, finance leases, equity trading platforms, and private placement bonds continue to raise awareness of ESCOs. The new board, future earnings New pledges such as pledges, carbon bonds, energy-saving trading and carbon trading have injected new vitality into energy-saving service industries.
Nowadays, the innovation mechanism of energy-saving service industry is also gradually taking shape. With the contract energy management mechanism as a means, a new energy-saving and emission-reducing mechanism that integrates new energy and clean energy has begun to form a climate and has played a good role in boosting comprehensive energy efficiency with energy-using units effect.
Foreign investment - private capital, state-owned enterprises - competition between private enterprises
The competition in China's energy-saving service industry is intensifying day by day. At present, the competitive situation of foreign capital-state-owned enterprises and private-owned enterprises competes with each other. With the advantages of technology and capital, foreign investors enter the Chinese market through mergers and acquisitions or joint ventures. At present, Suez, Schneider, Ingersoll-Rand, SK and other international giants have entered, with local enterprises compete for energy-saving market.
On the other hand, the state-owned large-sized enterprises have successively established specialized energy-saving service companies and set foot in energy-saving services. At present, group companies such as Sinopec, CGNPC, Baosteel, State Grid, Sinochem, China Resources, Anshan Iron and Steel, Shenhua and Huadian have established energy- Based on the gradual expansion of the internal market of the Group, China's energy-saving service industry has initially formed an overall industrial spatial layout in which the four major regions of the Bohai Rim, the Yangtze River Delta, the Pearl River Delta and the Midwest are clustered and developed. Within each region, Regional development patterns led by provinces and central cities.
Under the background of strongly promoting pollution control and developing energy-saving and environmental protection industries in the country, the energy-saving and environmental protection industry will welcome the great historic development opportunities and become one of the most promising sunrise industries in China. The relevant listed companies will directly benefit from this. At present, Apart from the concept of row passengers, the energy saving industry is ushering in a derivative growth point.
A lathe is used to fashion a rotating piece of raw metal, wood, or composite into a precise configuration using movable cutting tools, or bits set to varying depths. The process, known as turning, or machining, is most often accomplished with a horizontal lathe. Often, however, space or material constraints, sometimes even personal preferences, necessitate the use of a vertical lathe.
Essentially a horizontal lathe turned on end, a vertical lathe, also called a boring tool, is composed of basically the same parts as a horizontal lathe. As implied, the functions of vertical lathes are performed up and down, rather than side to side, as is the case with horizontal lathes. This vertical alignment allows short, heavy, bulky materials to be machined more efficiently than with a horizontal lathe.
All lathes, vertical or horizontal, are comprised of the same basic parts. The headstock encloses the spindle and chuck, the parts that actually turn the material. The bed catches the shavings, and also serves as a brace for the horizontal lathe. The feedscrew and leadscrew, mounted on the lathe carriage, adjust the speed and distance traveled by the cutters along the stock. The cross slide and compound rest position the toolbox, which, in turn, mounts the bits.
The tailpost, at the opposite end of the lathe spindle, clutches the stock and braces it, thus eliminating wobble and vibration. The headstock and tailpost may be at the upper or lower end of a vertical lathe, or to the right or left end of a horizontal lathe. Either way, the headstock is one end of the lathe, the tailstock, the other.
Vertical lathes may be vertical turret lathes (VTL), where a turret holds various toolboxes, allowing little wasted time resetting bits during the machining process. There are also computer numerical control (CNC) vertical lathes in which the entire machining process is computer operated.
The top of the lathe pyramid are the CNC vertical turret lathe machines, most often used to turn stainless steel into precision parts for engines, turbines, transmissions, etc. These machines, though expensive to purchase and operate, are perfectly suited to the task, saving space, as well as over-stressed equipment. A CNC VTL can also be used on alloys to efficiently turn precision bearings and gears.
A vertical lathe can used on rough wood in a home workshop, mainly for its space-saving attribute. Many home hobbyists, however, simply feel more comfortable turning wood up and down, rather than side to side. Altogether, the vertical lathe is a very capable and versatile tool.
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