On the lathe, the inner hole with a length of 5000-6000mm and a diameter of 230-350mm is polished. The surface roughness is required to be less than Ra1.6mm, and the material is 1Cr18Ni9Ti seamless steel pipe. As the hole of the blank is not round, the tooling as shown in
On February 3, 2008, the General Office of the People's Government of Shandong Province issued the Lu Zheng Ban [2008] No. 5 document. The “large-scale energy-saving drying technology and equipment†of the Industrial Energy Research Center of the Shandong Academy of Sciences was app
The "Cleaner Production Standard - Calcium Carbide Industry (HJ/T430-2008)", which provides guidance for cleaner production in the calcium carbide industry, was first released recently and will be implemented on August 1 this year. The standard divides the clean production indicators into
The Dongfeng commercial vehicle that had been away from Beijing International Auto Show for 6 years has returned from this time with a strong lineup. In the outdoor exhibition area of ​​1984 square meters, Dongfeng Commercial Vehicle displayed a total of 12 vehicles and 7 engines. A
Recently, Dehua Yacht Manufacturing Co., Ltd. and Wanxiang Group, which are affiliated to Dehua Group, successfully cooperated to develop the first lithium battery cruise ship in China, and it was successfully tested. It is reported that this is another innovation of the company after the huge mark
Domestic enterprises engaged in the production of slurry pumps and their parts processing, are faced with a choice of mechanical processing tools, which is determined by the basic performance of their products, the most important feature of the slurry pump transport fluid path has a high resistance
Product Name Specification Material Steel Factory/Origin Price Today (yuan/ton) Yesterday Price (yuan/ton) Change (yuan/ton) High-line φ6.5-10mm Q235 Shougang 4930-4940 4930-4940 No-line φ6.5 -10mm Q235 Tangshan Steel 4930-4940 4930-4940 High Line φ6.5-10mm Q235 Xuanhuan Steel 4930-49
The author learned from the first quarter of the fastener company's business analysis meeting that the company's production and sales in the first quarter of this year hit a record high: the product storage value reached 135 million yuan, an increase of 22.74%; achieved sales of 101.5 mill
The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm higher than that of last month than last week General line Φ6.5mm Q235 Handan Steel 5130 30 60 110 110 Common Line Φ8mm Q235 Handan Steel 5130 30 60 110 Common Line Φ10mm Q235 Handan Steel 5130 30 6
The expert appraisal committee headed by Wang Yuming, academician of the Chinese Academy of Engineering, announced this afternoon in Fuyang, Hangzhou: China's magnetic bearing technology research and development has made a major breakthrough, the first domestic magnetic bearing