2
)
回程时的减振措施:一方面可采取前面讲过的一些措施,减小工作缸上腔容
积,
以减少所储存的弹性能。
另一方面也可延缓工作缸上腔的卸压速度以减少冲
击振动。
例如,
在滑梁回程前,
先使工作缸上腔通过节流孔排油,自动液压机,
减慢卸压速度。
至油压降低到一定值以后,
再开大排油口,
加快卸压速度,
以达到既不产生冲击
振动,运城振动液压机,又可适当缩短整个卸压时间的目的。经实验证明当预卸压至
3 ---5MPa
以
后,再快速卸压和回程,振动液压机,一般可不引起冲击振动
![](http://img3.dns4.cn/pic/85547/tupian/20141120103547_8087_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103546_8967_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103539_7593_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103538_3572_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103545_7656_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103544_7716_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103543_7775_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103542_8114_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103540_9243_zs_sy.jpg)
压力过高,振动液压机2000T ,调不下来的主要原因有:
![](http://img3.dns4.cn/pic/85547/tupian/20141120103547_8087_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103546_8967_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103545_7656_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103544_7716_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103542_8114_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103540_9243_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103543_7775_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103538_3572_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103539_7593_zs_sy.jpg)
振动液压机,
![](http://img3.dns4.cn/pic/85547/tupian/20141120103546_8967_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103547_8087_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103538_3572_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103542_8114_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103540_9243_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103543_7775_zs_sy.jpg)
![](http://img3.dns4.cn/pic/85547/tupian/20141120103539_7593_zs_sy.jpg)