Technology upgrade "aluminum copper" speed up the development

Copper metal is widely used in the field of wire and cable because of its good electrical conductivity and thermal conductivity. However, compared to aluminum, China's copper resources are scarce, coupled with the relative strength of copper prices in recent years, "alum

Frequency converter harmonics overview

First, the inverter harmonics overview The frequency converter is a typical six-pulse rectifier device, therefore, it is a source of high harmonics, the harmonic content of the inverter on the output side, can be measured up to 70% The current distortion rate seriously affects the safe operat

Method of image processing technology in numerical control cutting machine

The multi-function CNC cutting machine control software has two basic interfaces: the configuration platform and the hand-operated platform. Since the software is designed with the line cutter as the direct object, the two platforms have control on the machine's (control) code regist

Seabreaker Shark Speedboat

The shane-shaped bionic speed boat manufactured by Innespace of the United States is called “Sea Breaker”. The “Sea Breaker” was transformed from a used jet fighter and used a 260 hp superch

Dongfeng Leads PSA Asia Dragon to Test Water Internationalization


The cooperation memorandum of understanding between Dongfeng and PSA signed on the 18th of this month covers a lot of contents from equity acquisition to R&D. However, from the information currently disclosed by the company, the huge amount of money to support PSA

2014 Tianjin International Fine Chemicals Exhibition 4 Moon Xiangjin City

The 11th China (Tianjin) International Fine Chemicals Exhibition was grandly opened on April 10-12, 2014 in the Tianjin International Exhibition Center of Bohai Manufacturing Center. The organizer of the new exhibition organizing conference organizes its work one year ahead of schedule in orde