• qzz 10011
    qzz 10011 The development of control system for large vacuum aluminum brazing furnace is introduced. The main functions of the control system are temperature control and logic control, which require a large number of control points, and each controlled object is re...  more
    • 12 October
  • qzz 10011
    qzz 10011 In recent years, due to the rapid development of vacuum heat treatment furnace, great breakthroughs have been made in vacuum brazing, vacuum sintering, vacuum annealing and other heat treatment processes. In many vacuum heat treatment processes, high temp...  more
    • 26 September
    • qzz 10011
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      • 10 October
  • qzz 10011
    qzz 10011 Nippon Steel has successfully developed the manufacturing technology of colored stainless steel by pulsed laser and computer-aided design. Nippon Steel is developed by immersing the stainless steel plate in nitric acid solution and then irradiating it wit...  more
    • 21 September
  • qzz 10011
    qzz 10011 The advantage of Roots vacuum pump is that it has a higher pumping rate at a lower inlet pressure, but it can not be used alone. It must be connected in series with a front-stage vacuum pump. The Roots vacuum pump can not start to work until the pressure ...  more
    • 21 September
  • qzz 10011
    qzz 10011 Leak detection in vacuum system of vacuum heat treatment furnace is a big problem that often occurs in production.There are a lot of information about leak detection technology.This paper puts forward the treatment method when the vacuum system breaks dow...  more
    • 19 September
  • chenjinyan chenjinyan
  • qzz 10011
    qzz 10011 Heat treatment is a very important basic process in the machinery industry. It plays an important role in improving the intrinsic quality and service life of electromechanical products and strengthening the competitiveness of products in the domestic and ...  more
    • 6 September
  • qzz 10011
    qzz 10011 In the sixth century BC, iron and steel weapons were gradually adopted. In order to improve the hardness of steel, the quenching process was developed rapidly. Two swords and a halberd unearthed in yanxiadu, yixian county, hebei province, China, have mart...  more
    • 5 September
  • qzz 10011
    qzz 10011 GW type of non-clogging sewage pipeline pump is easy to install, and it can be widely used as a general pipe pump for pressurizing water supply for high-rise buildings, and it can also transport sewage containing granular fiber. In addition to being suita...  more
    • 27 August
  • qzz 10011
    qzz 10011 North song yaozhou kiln green glaze five-foot furnace height 7.6 cm, diameter 6.5 cm, external diameter 14.4 cm. The furnace is made of wheel, straight mouth, straight belly, round bottom, flat wide edge, lip slightly rolled down; From the lower part of t...  more
    • 23 August
  • qzz 10011
    qzz 10011 QDX single-phase submersible pump is a new generation product developed based on the introduction of foreign advanced technology and combined with the characteristics of Chinese users. It has a wide range of high efficiency, strong passing ability, long s...  more
    • 22 August
  • qzz 10011
    qzz 10011 According to the method of classification: stainless steel mesh belt, conveyor belt, metal conveyor belt, stainless steel conveyor belt, metal mesh belt, metal conveyor belt, stainless steel transmission belt, metal transmission mesh belt, etc.
    Classific...  more
    • 15 August
  • qzz 10011
    qzz 10011 Censer is a necessary utensil for xiangdao, and the incense burner is an indispensable part of Chinese folk custom, religion and sacrificial activities. Generations using a cigarette containing, hand warmer, sweet bucket, lie in boshan ship furnace burnin...  more
    • 14 August
  • qzz 10011
    qzz 10011 CQF Engineering Plastic Magnetic Drive Pump is a new type of non-contact torque transfer pump based on the working principle of permanent magnet coupling. When the prime mover drives the external magnetic steel to rotate, the internal magnetic steel rotor...  more
    • 14 August
  • qzz 10011
    qzz 10011 Censer is one of the sacrificial utensils placed before the sacred table. Its shape is like a tripod, and the top button is more carved into the shape of a lion, so it is also called censer lion. When the sacrifice ceremony was held, the spices were ignit...  more
    • 13 August