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bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]The function of coordination is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually bearings[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]seat)And rotating part(Usually an axis)Solidify together，Thus the load is transferred in the rotating state
bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Due to the different use environment，So erosion behaves differently，Because the erosion is different。Imported bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Of course, there is no escape from this eroded fate，Now lets talk about axesFAGThree ways to be eroded。
Rolling bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Its a mass production of mechanical parts，And the manufacturing accuracy requirements are very strict，There is a high degree of technical specialization，Therefore, for the vast majority of easy to buy bearings[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]varietal，It should be more cost-effective to buy than to repair，Only in the following
Rolling bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Fatigue life of bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Basic concept of fatigue life General meaning
one：bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Grease injection method： The effect of grease injection amount on sealing performance has been proved by a large number of tests，When the amount of grease injection is imported bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Approximate volume of the internal cavity30％The following
For mechanized construction enterprises，Whether the technical condition of construction machinery is good or not is a direct factor for the normal production of enterprises。In terms of hydraulic transmission of construction machinery，The normal operation of the hydraulic system is a main sign of its good technical condition。Qualified hydraulic oil is the guarantee of reliable operation of hydraulic system，Correct maintenance is fundamental to the reliable operation of the hydraulic system。For this purpose，I am based on work practice，This paper briefly discusses the maintenance of hydraulic system of construction machinery in general working environment。 １ Choose the right hydraulic oil Hydraulic oil plays a role in transferring pressure in the hydraulic system、embellish
Proper installation and maintenance is playedINAbearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]An important factor in maximum service life。meanwhile，Bearing must be paid attention to[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Cleanliness of、bearing[bearing:
1、INAbearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]The shoulder of the shaft is fixed bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]The inner ring is fixed axially by the shoulder and interference。Suitable for support structures with fixed ends。Simple structure、Small profile size。 2、INAbearing[bearing:bearing，
rollKOYOThe working performance of bearings depends largely on the properties of their materials。Usually a low alloy is used、High purity solid hardened chromium steel as manufacturingKOYOMaterials of bearing rings and rolling elements。To withstand high impact loads and alternating bending stressesKOYObearing，carburizing。 In recent years，On account ofKOYObearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACH
bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]The steel is called rolling bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]steel，It has high compressive strength and fatigue limit，High hardness，High wear resistance and toughness，Good hardenability，Extremely strict control of sulfur and phosphorus，Its a high-grade, high-quality steel，Can do cold do touch steel。Specific gravity：
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