Installation requirements for O-rings

First, installation of O ring (O rubber sealing ring) requirements
Before installing the O-ring (rubber O-ring), check the following:

1. Whether the leading Angle is processed according to the drawing, whether the sharp edge is chamfered or rounded;

2. Whether the inner diameter is burr removed and there is no pollution on the surface;
3. Whether the seals and parts have been coated with grease or lubricating liquid (to ensure the medium compatibility of the elastomer, it is recommended to use the sealed liquid to lubricate);

4. Grease containing solid additives, such as molybdenum disulfide and zinc sulfide, shall not be used.

Two, manually install O ring (O rubber sealing ring) :
1. Use tools without sharp edges;

2. Ensure that the O-ring (O-type rubber seal ring) is not twisted, and do not over-stretch the O-ring (O-type rubber seal ring);

3. Try to use auxiliary tools to install O-ring (O-rubber sealing ring), and ensure correct positioning;

4. For the O-ring (rubber O-ring) bonded by the sealing strip, do not stretch at the joint.

Three, install screws, splines, etc
1. When the O-ring (O-rubber sealing ring) is stretched, it must be used for mounting mandels to pass screws, splines, keyways, etc. The mandrel may be made of soft, smooth metal or plastic and shall not have burrs or sharp edges.

2. When installing the pressing screws, tighten the screws symmetrically, not in the direction of the sequence.