The most ideal color tone in the bathroom is pink, for example: pink, light green, light blue and peach. The second is the cream color, or some neutral colors, such as bla…

A water pump design method based on the area ratio principle is proposed. That is, under the condition of keeping the area ratio constant unchanged, matching different impellers on the same deflector to obtain the efficient pump with different parameters. Submersible pump is the most widely us…

As a new energy source, solar energy has received increasing attention from various countries in the context of global warming. At the recent World Expo, the dream of the Expo theme pavilion built a "Sun City" dream, which is shining on the roof of the landmark building of the Shan…

With the emergence of more and more home building materials brands, and showing a diversified mesh joint marketing model, industry insiders have said that the alliance marketing model may become a trend in which companies face sales in the face of fierce market competition and will become a tr…

Fourth, the management of the use of CNC machine tools

The use of CNC machine tools requires both the operator's careful use and scientific management. A sound management system and a scientific production mode are effective means to improve production efficienc…

The pump does not turn when starting Cause: The packing is too tight or clogged with clogs between the impeller and the pump body; the pump shaft, bearings and leakage ring rust live; the pump shaft is severely bent. Remedy: Loose packing, clear the diversion channel: open the pump body to remo…

Since the beginning of this year, China's machinery industry production has continued to rebound to a good trend in the second half of last year. The growth rate of production and sales has increased significantly compared with the same period of last year. The growth rate of production …

Recently, the Ministry of Finance issued a notice to import tariffs and import VAT on some key components and raw materials imported by domestic equipment manufacturers for the development and manufacture of large-scale open-pit mining machinery shovel excavators and large-scale coal mining …

Geometric modeling techniques have been used extensively in the development and manufacture of products. However, for a variety of reasons, there are still many products that are not described by CAD models, and the design and manufacturer are faced with physical samples. In order to adapt …