Vacuum quenching technology is becoming more and more popular, but at the same time, its problems are pointed out.One is the evaporation of alloying elements such as Cr and Mn, and the surface abnormal structure produced by vacuum evaporat…

In the material production process, the problem of material transportation between production links has become an important issue that restricts pharmaceutical companies to improve production processes and improve product quality. The rota…

Vacuum heat treatment, that is, the combination of vacuum technology and heat treatment, refers to the combination of all the parts of the heat treatment process under vacuum. China divides vacuum into low, medium, high and ultra-high vacu…

Diaphragm gasoline pump diaphragm gasoline pump is the representative of mechanical gasoline pump. It is used in carburetor engine. Generally, it is driven by eccentric wheel on camshaft. Its working conditions are as follows: (1) When the…

Roots vacuum pump features: There is no oil in the pump chamber to achieve a high clean vacuum. The rotor has good geometric symmetry for low noise and long life.The pump is made of aluminum alloy as a whole, which realizes fast heat dissi…

Pre-assembly preparation and installation process of water ring vacuum pumpBefore assembling the water-ring vacuum pump, the joint surface of each component should be carefully cleaned. All the mating surfaces and threads should be careful…

The following problems should be paid attention to in the structural design of cryogenic liquid pumps:(1) In order to ensure uniform cold shrinkage of parts at low temperature, the structure should be symmetrical;(2) The inlet and outlet p…

Series submersible reflux pump is a product developed on the basis of submersible mixer production technology. It is a special equipment for mixed liquid reflux and reverse-sale denitrification and nitrogen removal in secondary sewage trea…

Plunger pumps are divided into two representative types of axial and radial plunger pumps.It belongs to a new type of high-efficiency pump with high technical content. With the acceleration of localization, radial piston pump will inevitab…

The operation premise of vacuum pump is correct installation. If the installation is not correct, there will be many faults leading to the failure of operation, then how should each part of the water ring vacuum pump be installed? Key Poin…

Vacuum furnace as a kind of processing industrial equipment, has been required by more enterprises, of course, such a special equipment, in the use of the process should also do a good job of maintenance, thus extending the life of vacuum …

structureThe vacuum furnace is generally composed of a main engine, a furnace, an electrothermal device, a sealed furnace shell, a vacuum system, a power supply system, a temperature control system and an outside conveyor. The sealed shell…

If the chimney's outlet is a window, it is recommended to use a square iron plate with a circular hole slightly larger than the chimney on the Tin Street to do this. Note that the chimney should be of good diameter before you buy it. If th…

Baiji gold and copper censer is a cultural relic representing baiji culture. It is a masterpiece made with excellent metal technology and profound artistic foundation. Excavated in 1993 at the temple site in the mountain of fuyu mausoleum,…

The residual stress of welding is caused by the non-uniform temperature distribution of welding parts caused by welding, the thermal expansion and cold shrinkage of weld metal, etc., so the residual stress will inevitably be generated alon…

The deformation causes of precision and complex molds are often complex, but we can reduce and control the deformation of molds by mastering the deformation rules, analyzing the reasons for the deformation, and adopting different methods t…

In actual production, heat treatment deformation adds many difficulties to subsequent processes, especially mechanical processing, which affects production efficiency and leads to scrap due to excessive deformation, increasing costs. Defor…

In ancient times, there were no special utensils for incense burning, but copper, pottery, porcelain, tiles and wood flowers were used instead. Since handing slow to make boshan incense burner, only began to have a special name, but specia…

At present, low pressure vacuum carburizing heat treatment has been gradually applied in the automobile industry of developed countries in the world. It will gradually replace conventional controlled atmosphere carburizing (or carburizing)…

Aiming at the characteristics of time degeneration, large hysteresis and non-linearity of vacuum sintering furnace in powder metallurgy, the fuzzy control algorithm is adopted, and the PID control effect is not ideal. PID control and fuzzy…

1. Titanium alloys have been widely used in aerospace due to their high specific strength, good creep resistance and high temperature performance. However, with increasing dosage of titanium alloy, titanium alloy parts using conditions of …

Vacuum smelting equipment is under the condition of vacuum, the easy oxidation of various metals, precision alloy, rare earth alloy, active metal, each department hydrogen storage alloy, soft magnetic alloy, high temperature alloy and braz…

Stainless steel vacuum cup, after the reform and development, especially over the last decade in China has been a great development. Our company has developed more than 50 series of vacuum cups and vacuum POTS with hundreds of varieties, a…

This furnace modelling rules exquisite, bright bright have light, copper quality and glass collocation, simple accumulate collect, very delicate, should belong to delicate enter the taste of very high grade. Copper bottom column, glass fur…

This incense burner of han to the republic of China, with prices for reference, the key points of identification, era style, workmanship, grain, quality of a material, such as text, detailed introduces the related to real, fake, old incens…

1, it is best to choose the first day, the fifteen day of the lunar calendar, or the twelfth lunar month to clean up the ashes.2, in the process of cleaning, the incense can not be broken.3, respectfully put the censer away from the throne…

use:Bamboo household incense burner living room incense oracle bone ornaments creative living room decoration Vacuum equipment supplier Oracle is an ancient Chinese language, is an early form of Chinese characters, and sometimes is also co…

East Han Yue kiln glaze aroma, it vivid, simple and natural, without a tray. The aroma consists of two parts up and down, you can freely open the upper part of the three layers of Hanbaoyu lotus petal pattern, each row of eleven flowers, a…

Pumping station is to provide a certain pressure and flow of hydraulic and pneumatic power plant and engineering, said pumping and pumping station project. Irrigation and drainage pumping station water, water, pumping stations and other bu…

Heaven incense burner, traditional Chinese medicine name. For the wild Peony Branch Jin Jinxiang Osbeckia chinensis L. whole plant or root. Jin Jin Hong plants, located in the south of the Yangtze River in Taiwan, Guangxi, Guizhou and othe…