When turning and scraping the vertical turbine generator, should the high or low points be scraped?

Introduction When you turn and scrape the vertical turbine generator, does it scrape the high spots or the low spots? The principle of scraping is to apply a layer of developer between the part and the standard tool or the part associated with it. After grinding,

When turning and scraping the vertical turbine generator, should the high or low points be scraped?

Scrape the peaks. The principle of scraping is as follows: apply a layer of developer between the part and the standard tool or the part that corresponds to it. After grinding, the upper parts of the part are displayed then use a scraper to make micro-cuts and scrape. the upper parts. After repeated grinding and scraping, the workpiece can achieve the correct shape and precision requirements.

Answer: C

The characteristic of the suspension hydrogenerator structure is that the stopper is located above the rotor, suspending the entire rotating part. It is generally used for higher speed units. The advantage is that the thrust loss is small, the assembly is convenient, the operation is stable, and the rotation speed is generally above 100 rpm; the disadvantage is that the unit is larger and consumes more steel; The structural characteristic of the parapl hydrogeneratorThe main reason is that the thrust bearing is located below the rotor and is generally used for low speed units. The advantage is that the upper frame is light, which can reduce the height of the unit and factory building, and save steel. The disadvantage is that the stopper has a large diameter, is difficult to design and manufacture, and is inconvenient to use. install and maintain.

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