Gas compressors have new measures to reduce reliability

US Anrun Long recently introduced new compressor oils at the 2007 Asia PTC show, which helps minimize downtime and maximize return on investment. Not only has new lubricants become the focus of recent energy-saving and consumption-reducing products, industry insiders are discussin ----more

Analysis of Tooth Error of Hardened Gear Tooth Machinin…

1 The theoretical calculation formula of tooth profile error When the hard tooth surface involute cylindrical gears are geared, the main source of the tooth profile error can be divided into the error caused by the gear tool and the error caused by the processing machine tool, that i ----more

General Solution Model for Non-CNC Machining Special Ro…

1 Introduction The special rotary milling cutter is an indispensable tool for machining free-form surface workpieces such as aerospace parts and metal molds. It can be used with CNC machine tools or machining centers to achieve high-quality, high-efficiency machining. With the dev ----more

AQSIQ: Quality and Safety Remediation Success

Li Changjiang, reporting on the overall situation of the actions at the National TV Conference on Product Quality and Food Safety Improvements, pointed out that as of December 20, 2007, the eight major tasks of the special rectification, 20 work goals and 12 100% quantification Remediation goals hav ----more

January 16 Xi'an Steel Market Price Quotes

Product Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5mm Q235 Jiu Steel 4400 0 0 20 Common Line Φ6.5mm Q235 Handan Steel 4400 0 0 20 High Line Φ6.5mm Q235 Handan Steel 4470 0 0 20 High Line Φ6.5mm Q335 Eight Steel 4490 ----more

Jiujiang Petrochemical has achieved a new record high n…

In 2007, Jiujiang Petrochemical completed 4.013 million tons of refining processing, fertilizer and polypropylene production completed 447,000 tons and 113,000 tons, respectively, refining products to maintain full production and sales. The comprehensive commodity rate of oil refining was 91.8%, a y ----more

Southeast University is the first in the country to suc…

The cable comprehensive tester hosted by Professor Zhao Li, a doctoral tutor at Southeast University, has been successfully developed. The project is more stable than the current foreign similar products, and the price is only less than one-third of it, which is highly respected by ----more