?? 久久丫丫,欧美乱强伦,中文字幕免费看

欧美中文字幕-麻豆入口-在线观看一级片-国语对白对话在线观看-久久久性-91伊人网-免费在线观看黄色片-国产一级二级视频-在线中文字幕观看-91官网在线观看-成人亚洲精品777777ww-色中文-av看片资源-亚洲最大成人在线-懂色av一区二区三区蜜臀-20日本xxxxxxxxx46-诱夫1v1高h-国产精品久久久久久久久免费相片-av一级免费-少妇姐姐

Back to top

首頁 ? Factory News ? Roots blower “injured”.

Roots blower “injured”.

Roots blower in the process of using the “injured” situation, I Roots blower on the “injury” to bring you to understand the solution.
1. For minor abrasions, the abrasions can be smoothed with an oil stone. If the chassis or wall panels are scuffed with large area, deeper layer, or corrosion is more serious and the inner hole of the chassis is deformed, the chassis can be corrected by machining. If the processing has a large impact on the size, if necessary, can be coated, sprayed and other methods to be repaired.
2. For the eyelet defects occurring in the Roots blower casing, the outer surface of the wall panel and the fixed bonding surface, you can use epoxy resin special filler goods putty to fill. For some small holes on the working surface, you can use plugs with threads for plugging, or use nickel-iron welding rod for welding.
3. For the cracks of the Roots blower casing, it is also possible to make up the welding without affecting the use of the Roots blower. Mending welding has hot welding and cold welding two methods, hot welding is to preheat the parts to 650-700 ℃, welding operation at this temperature, cold welding without preheating. Due to the cold welding method is economical, easy to do, the repair of most of the use of this welding method.

13755181118