Raw Materials Division went to Yanshan Petrochemical to investigate petrochemical industry development
On the 10th, the 4th member of the Department of Raw Materials, Song Xianzhu, accompanied by the Deputy Director Sun Yuguo of the Development Planning Department of Sinopec Group, conducted a survey of Sinopec Yanshan Petrochemical Company. Song Xianzhu paid special attention to Yanshan Petrochemical's investigation of coal-to-olefins pilot plant, ethylene cracker, and petroleum refiner. He listened in detail to the reports on production conditions, control levels, and energy saving and emission reduction of several plants, and visited Yanshan Petrochemical Exhibition. Museum, understands Yanshan Petrochemical's development and entrepreneurship since its establishment. Song Xianzhu fully affirmed the contribution of Yanshan Petrochemical to China's petrochemical industry, and emphasized that the Ministry of Industry and Information Technology is currently working hard to compile the "Twelfth Five-Year Development Plan for Petroleum and Chemical Industry", and through investigations to better understand the industry and promote petrochemistry. Industrial "Twelve Five" better and faster development.
Yanshan Petrochemical is a large-scale backbone enterprise under the China Petrochemical Corporation. It was founded in 1967 and was established in 1970. It is one of the earliest and largest modern petrochemical complexes in China. Currently, it has assets of 27.3 billion yuan, 16,000 employees, 63 main production units, 68 auxiliary units, crude oil processing capacity of 10 million tons/year, and ethylene production capacity of 710,000 tons/year. It can produce 94 varieties and 431 brands. Petrochemical products are China's largest production base for synthetic rubber, phenolacetone and high-quality refined oil, and are one of the largest synthetic resin production bases in China.
CNC Milling is to use the rotating multitool to cut workpieces, such processing method is efficient. Tool rotate (background) while working, and the workpieces move (as a feed movement), workpieces can also be fixed, but at the moment, rotate tool must also move (at the same time to complete the main motion and feed motion).Milling machine has a horizontal milling machine or vertical milling machine, large gantry milling machine.The machine tool can be ordinary machine tool, can also be a nc machine tools. With rotating cutter as a cutting tool.Milling is generally conducted on milling and boring machine, suitable for processing plane, groove, all kinds of forming surface (such as spline gear and thread) and special shape mould surface, etc
The characteristic of the CNC Milling is:
(1) cutter blade periodically participate in continuous cutting.
(2) each blade in the process of cutting, cutting thickness is variable.
(3) each tooth feeding alpha f (mm/teeth), said cutter every turn a blade workpieces relative displacement of time.
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