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Take you to know a little knowledge about oil seals

April 9, 2022


Author: admin Time: 2019-09-16 Source: Unknown


Abstract: Oil seal is a very common sealing element in our industrial life. It is mainly used to seal the mechanical components of liquid media (oil, water, etc.), and its function is to prevent the lubricating oil in the cavity from leaking out. , to ensure the sealing performance of the cavity. Second, the oil seal...


   Oil seal is a very common sealing element in our industrial life. It is mainly used to seal the mechanical components of liquid media

 

(oil, water, etc.). Its function is to prevent the lubricating oil in the cavity from leaking out, ensuring that Cavity sealing performance.

 

Second, what are the common forms of oil seals?

 

    TC oil seal is the most commonly used form of oil seal at present. TC oil seal is an outer rubber inner skeleton oil seal with a

 

self-tightening spring.

 

Common different types of inner and outer skeleton oil seal structures:

 

A-type inner frame oil seal: including frame, fastening spring and rubber body

 

1. Main features: double-layer outer iron shell design, strengthened outer iron shell is designed to strengthen the rigidity of the oil seal,

 

especially suitable for large-size oil seals

 

2. Common types:

 

SA (single lip),

 

TA (double lip),

 

VA (single lip without double spring),

 

KA (double lip without double spring),

 

DA (double lip and double spring)

 

SA, TA, VA, KA sectional view

 

B-type inner frame oil seal: including frame, fastening spring, rubber body and auxiliary lip

 

1. Main features: single-layer outer iron shell design, with better stability and precise equipment characteristics

 

2. Common types: SB (single lip), TB (double lip)

 

VB (single lip without double spring)

 

KB (double lip without double spring)

 

DB (double lip without double spring)