The requirements of Beijing Donghua Jingji High-tech Co., Ltd. were successfully developed as the driving unit, but due to its inherent characteristics, the DHM-500U ultra-precision aspherical grinding machine will be produced. The traditional method of additive swing. The solution is to u.......
Explosion-proof anti-corrosion plastic fluorescent lamps are widely used in lighting, oil refining, chemical, pharmaceutical, military, offshore oil platforms and other places for lighting purposes. At present, 90% of products on the market are explosion-proof and anti-corrosion plastic fluore.......
Electromagnetic flowmeter is a kind of precision inductive instrument. If the type selection or installation is unreasonable, it will have a great influence on the accuracy of the measurement and the service life of the instrument. The following is a brief introduction of the electromagnetic fl.......
Special equipment manufacturing process and installation, renovation, major maintenance process supervision and inspection:
Boiler, pressure vessel, pressure piping components, heavy machinery, manufacturing process of large-scale amusement facilities and boi.......
Boiler, pressure vessel, pressure piping components, heavy machinery, manufacturing process of large-scale amusement facilities and boi.......
A customer from Holland has used to buy a counterfeit product of S&A brand chiller, but unfortunately his laser tube has broken because of this water chiller error.
The customer reflected the cooling capacity became much less
efficient after some time, and the coo.......
A few years ago, Allison Transmission and MAN South America had cooperated to develop vehicles for the Brazilian garbage collection market. R&D results show that efficient vehicles not only increase operating efficiency, but also reduce maintenance costs. Scania .......
1, the first step to see the tire visual inspection tire pressure visually to see no gas, debris attached to the phenomenon, and see whether the steel ring deformation, cracks and other phenomena.
2, and then check the tightness of the tire screws tight details of the wind gun tighten.......
2, and then check the tightness of the tire screws tight details of the wind gun tighten.......
Digital Megohmmeter maintenance and precautions:
1. During storage and storage, attention should be paid to the ambient temperature and humidity. It is advisable to place it in a dry and ventilated place. It should be protected against moisture, dust, explosion, acid and alkali, and a.......
1. During storage and storage, attention should be paid to the ambient temperature and humidity. It is advisable to place it in a dry and ventilated place. It should be protected against moisture, dust, explosion, acid and alkali, and a.......
Phase Control of Non-Reversal Optical Amplification Caused by Vacuum-induced Interference Effect
The core tips: (Modern Optics Laboratory, Department of Physics, Shandong Normal University, Jinan 250014, China) The laser-diode (LD) pumped passive Q-switched all-solid-sta.......
Shanghai - In September 2012, sales of General Motors and its joint ventures in China reached 244,266 units, an increase of 10.5% from the previous month in August and a year-on-year increase of 1.7% from September last year. This refreshed GM’s sales r.......
Many years of maintenance of CNC machine tools have confirmed that in the total number of faults, faults caused by the power supply account for a considerable proportion. According to the China Machine Tool Network (Machine35.com), many power supply failur.......