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挖沙船的油缸在安裝密封圈時該注意的要點
安裝密封圈密封能夠防止挖沙船的油缸出現(xiàn)漏油的情況，不過在安裝密封圈的時候我們要注意一些問題。
1.在安裝密封圈之前要檢查密封圈的質(zhì)量是否合格，尤其是唇口的位置，不能夠出現(xiàn)有損傷、缺陷。檢查完質(zhì)量之后還要檢查密封圈的尺寸是否符合該油缸的尺寸。
2.在安裝唇形圈的位置時，例如缸筒和活塞桿的端部，要把它倒成15到30度的倒角，這樣能夠避免在安裝的時候?qū)Υ叫稳Φ拇讲吭斐蓳p傷。
3.在安裝唇形圈的過程中，如果要經(jīng)過退刀槽或者螺紋表面的話，最好是在要經(jīng)過的位置套上專用的套筒。或者在設(shè)計的過程中，讓螺紋以及退刀槽的直徑比唇形圈的內(nèi)徑小。
6.在安裝時，盡量減少拉伸度過大，避免塑性發(fā)生變形。如果安裝的場合氣溫較低的話，可以把唇形圈放置到60℃左右的熱油中加熱，但是不能夠超出唇形倒的使用溫度。
1.在安裝密封圈之前要檢查密封圈的質(zhì)量是否合格，尤其是唇口的位置，不能夠出現(xiàn)有損傷、缺陷。檢查完質(zhì)量之后還要檢查密封圈的尺寸是否符合該油缸的尺寸。
2.在安裝唇形圈的位置時，例如缸筒和活塞桿的端部，要把它倒成15到30度的倒角，這樣能夠避免在安裝的時候?qū)Υ叫稳Φ拇讲吭斐蓳p傷。
3.在安裝唇形圈的過程中，如果要經(jīng)過退刀槽或者螺紋表面的話，最好是在要經(jīng)過的位置套上專用的套筒。或者在設(shè)計的過程中，讓螺紋以及退刀槽的直徑比唇形圈的內(nèi)徑小。
4.在安裝唇形圈的過程中，如果要經(jīng)過螺紋表面以及孔口的時候，一定要使用經(jīng)過位置的內(nèi)徑比唇形圈的外徑大的。
6.在安裝時，盡量減少拉伸度過大，避免塑性發(fā)生變形。如果安裝的場合氣溫較低的話，可以把唇形圈放置到60℃左右的熱油中加熱，但是不能夠超出唇形倒的使用溫度。
7.如果工作的壓力大于20MPa時，除了要復(fù)合唇形圈之外，還要添加擋圈，以免唇形圈被擠出。擋圈最好是裝在唇形圈的根部一旁，當(dāng)隨著唇形圈王缸筒里面裝入的時候，為了避免擋圈的斜切口被切斷，在放入槽溝之后，要使用潤滑脂把斜切口粘接固定好再裝進(jìn)去。
以上就是小編今天為大家講解的挖沙船的油缸在安裝密封圈時該注意的要點，你知道了嗎？
The installation of seal ring seals can prevent the dredging of the oil tank in the case of oil spills, but in the installation of the seal ring, we should pay attention to some problems.
1. Before installing the sealing ring to check the quality of the seal ring is qualified, especially the position of the lip mouth, can not appear damage, defects. After checking the quality, check the size of the sealing ring to see if it meets the size of the tank.
2. When installing the position of the lip ring, such as the end of the cylinder and the piston rod, it should be poured into a 15-30-degree chamfer, which avoids damage to the lip of the lip ring during installation.
3. In the process of installing the lip ring, if you want to pass the retract groove or threaded surface, it is best to pass the position of the special sleeve. Or in the course of design, let the diameter of the thread and the retract groove be smaller than the inner diameter of the lip ring.
4. In the process of installing the lip-ring, if you want to pass through the surface of the thread and orifice, be sure to use the position of the diameter of the mouth than the size of the lip ring larger.
5. In order to reduce the resistance during assembly, in the process of installation, the lip ring and the place where the grease coated.
6. In the installation, as far as possible to reduce the stretching through large, to avoid plastic deformation. If the temperature of the installation is low, the lip ring can be placed in the heat oil of about 60 Shan, but can not exceed the use of the lip-shaped inverted temperature.
7. If the pressure of the work is greater than 20MPa, in addition to the compound lip-shaped ring, but also to add the ring, lest the lip ring be extruded. The ring is best installed in the lip-ring of the root side, when with the lip-shaped ring in the king cylinder inside the time, in order to avoid the miter ring cut off, after putting into the groove, to use the grease to stick the oblique incision to be fastened and then loaded.
The above is the small compiled today for everyone to explain the dredger oil tank in the installation of the seal ring when the main points, you know?
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