电动推杆的检修工艺及质量标准？
参考答案：检修工艺：
（1）将电动推杆从设备上拆下。
（2）拆除电动机、安全开关和拨杆。
（3）将减速装置进行解体拆卸。
（4）检查齿轮及轴承有无缺陷及损坏。
（5）检查导套内侧导规及螺杆变形或开裂现象。
（6）检查滑座有无磨损，滑座与壳体配合为H8/h7。
（7）各种密封体及防尘罩完整无损。
（8）组装时丝杆与螺母配合，无卡涩松动现象。
质量标准：
（1）各部润滑良好，紧固体紧固可靠。
（2）用手盘动推杆运行自如。
（3）推杆前端的防尘罩完好。
（4）安全行程开关完好。
（5）通电试运机体内无异音。
Young people are often unhappy when they are with their parents. They say that their parents don’t understand them. They often think their parents are too strict 41 them. Parents often find 42 difficult to win their children’s trust and they seem to 43 how they themselves felt when they were young. For example, young people like to do things without much 44 . It’s one of their ways to show that they grow up and they can 45 any difficult problems. Older people worry more easily. Most of them plan things ahead and don’t like their plans to be changed. So when you want your parents to let you do 46 , you will have better success if you ask before you really start doing it. Young people often make their parents angry by clothes they wear, the music they enjoy and something 47 . But they don’t mean to cause any trouble. They just feel that 48 this way they can be cut off from the old people’s world and they want to make a new culture of their own. And if their parents don’t like their music or clothes or their way of speech, the young people feel very sad. Sometimes instead of going out with their parents, they just want to stay at home 49 and do what they like. If you plan to do something, you’d better win your parents over and get them to understand you. 50 , your parents will certainly let you do what you want to do.
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