Introduction of new tool materials - ultra-fine cermets

Ti(CN) cermet cutters have successfully replaced WC in many processing applications due to their better red hardness, lower corrosivity, thermal conductivity and friction coefficient, and better anti-sticking ability than WC-based cemented carbide tools. Carbide tools. As early as the 1960s, the pro ...more...

Green manufacturing - the development trend of machinery man…

Resources, environment, and population are the three major problems facing human society today. In particular, the inter-environmental problems, the degree of deterioration and the increase in the number of days, pose a serious threat to the survival and development of human society. As global envi ...more...

Editor's note

Editor's Note: Starting from the first issue of this year, this journal will publish a series of articles by Comrade Li Yunhao on "Induction Heating in the Forging Industry". This series will introduce the basics of induction heating, the current frequency, power and heating time of in ...more...

Application and development status of welding inverter power…

The welding power supply has been developed for more than 100 years. After the 1960s, devices such as silicon rectifier components, high power transistors (GTR), field effect transistors (MOSFETs), and insulated gate bipolar transistors (IGBTs) have emerged. The development of integrated circuit tec ...more...

Application of conical plate upsetting in forging of large f…

Ingot upsetting is an important forming method in forging of large forgings. Due to the inevitable defects such as shrinkage, porosity, segregation and inclusions in the ingot, if the deformation and mechanical conditions are not correct during the upsetting process, it is easy to develop into a cra ...more...

Milling technology of circuit board CNC milling machine

The milling technology of the circuit board CNC milling machine includes selecting the direction of the cutting, the compensation method, the positioning method, the structure of the frame, and the lower cutting point. It is an important aspect to ensure the accuracy of milling. Direction of the cu ...more...

Development of CAD system for combined machine tool fixture

1 question raised With the maturity of CAD technology, CAD has been used more and more widely in various production fields. The elimination of the drawing board and the comprehensive promotion of applied CAD technology have been listed as the top priority of the national “Ninth Five-Year Plan ...more...