Problems encountered in the production and processing of Hangzhou steam turbine

Introduction: Metal processing online reporters participated in the annual meeting of China's steam turbine industry for two consecutive sessions in 2011 and 2012. Now, the problems presented by various experts will be sorted out. Some of the problems are enterprise cases, after exchanges, and some have been resolved; Some are common problems in the industry, hoping to attract the attention of our tool experts.

Zhao Jianyong, deputy chief engineer of Hangzhou Steam Turbine Co., Ltd. (referred to as Hangzhou Automobile) mentioned at the meeting: How to prevent the tool from wearing too fast when processing the blade root groove? The blade root groove of the rotor is mainly T-shaped groove, and the processing of the small groove is difficult. For example, with the indexable tool, the wear is fast when it is cooled by water, and the undercut is urgently solved to deal with the wear of the carbide indexable tool when machining the small groove. Too fast problem.

How to turn molybdenum powder coating? The ring with a diameter of 3m is coated with molybdenum powder. This metal is not hard. It is turned on the vertical car and it costs a lot of blades. If you use a diamond blade, it takes more than 20 blades to dry a part. The cost is high. Which blade can solve this problem?

How to solve the training problem? The new knife is introduced very fast, how to use the tool to make it more efficient? He believes that the service and training of tool suppliers is more important than products.

Activated Carbon has a wide range of applications, such as: decolorization of sugar, military gas masks, cigarette filters, air purifiers, tap water treatment, drinking water purification, detoxification, sobering, pollution control of radioactive elements, reduction of residual pesticides in soil, soil conditioning , Governance indoor formaldehyde, vegetable preservation, and so on. This is mainly because:
The unique pore structure of activated carbon itself
Activated carbon is a type of microcrystalline carbon material that is mainly made of carbonaceous material and has a black appearance, a developed internal pore structure, a large specific surface area, and a strong adsorption capacity. Activated carbon materials have a large number of microscopic pores invisible to the naked eye. One gram of activated carbon material has micropores, and its surface area can be as high as 800-1500 square meters after unrolling, which is even higher for special applications. That is, in a rice grain-sized activated carbon granule, the internal surface area of the micropore may be equivalent to the size of a living room area. It is these highly developed, such as human capillary-like pore structure, so that activated carbon has excellent adsorption properties.

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