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Using a sounder on the running bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]The size and quality of the rolling sound are checked，bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Even if there is a slight peel and other damage，Abnormal and irregular sounds can also be produced，You can tell with a sounder。 the
one、Center migration method 1、 Butt bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]In the ring、Salvage of the outside diameter First of all, the defects of the parts（Asymmetrical type）Dimensions are accurately measured，Calculate the minimum grinding amount（The amount of grinding to the finished product size deviation）M，The part is then center offset during grinding（Shift in the direction of increasing the amount of wear at the defect），The maximum offset isM/2，That is, to the defect
1、Introduction present，Chinas construction supervision has gradually become institutionalized、Normalization and scientific normal track。Large and medium-sized construction projects have implemented supervision during the construction phase，Quality in process、Progress and investment control of the three significant achievements。How can this be achieved while meeting the quality and schedule requirements，The actual investment of the project shall not exceed the planned investment，It is the goal that every supervision engineer strives to achieve in construction。An automated instrument is a tactile system for an industrial device，Although the proportion of investment is small，But the construction period is short，Its quality、schedule、The quality of investment target control，Will affect directly or indirectly
Indicates silence level ZZ：Indication bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Iron dust cover is provided on both sides CM：Indicates radial internal clearance for motor NS7：Indication bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Internal grease label S:Indication bearing[bearing:bearing，
Linear motion bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]If well lubricated，And correctly block debris and moisture,Indicates that the oil seal should not be worn.however,It is best to open the bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKOshaft
（１）Cylindrical bore bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing] unit um bearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Nominal inside diameter d mm
SCWuShaft-mounted circular cylindrical worm reducer（JB/T6387 — 1992）Set directly on the spindle of the working machine，include SCWU ，SCWS，SCWO Three series。Mainly used in metallurgy、mine、hoisting、transport、Chemical engineering、Deceleration transmission of construction and other mechanical equipment。 Working conditions of circular cylindrical worm reducer：Reducer worm shaft speed does not exceed 1500 r/min；The operating environment temperature is－ 40～40 ℃，When the ambient temperature is lower than0 ℃when，Lubricating oil must be used before starting
rollKOYOBearings are mass-produced mechanical parts，And the manufacturing accuracy requirements are very strict，There is a high degree of technical specialization，So for the vast majority of those that are easily availableKOYOBearing variety，It should be more cost-effective to buy than to repair，Only in the following cases，Only considerKOYOBearing repair problem，namely (1)Large factories use a large number of the same modelKOYObearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，K
RBRV-sealing ring：This is a rolling millINAbearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]Special rubber lip seal ring，It has been widely used in recent years。RBRThe sealing ring adopts the mode of axial sealing，The lip is attached to the base surface of the gland，Not affected by roll runout，INAbearing[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHshaft
inFAGThe process of lubrication in the use of bearings is essential，However, there are many ways to lubricate，Various lubrication methods in the process of lubrication should pay attention to the problems are also different，This leads to user confusion，Today here to introduce you to cylindrical roller bearings[bearing:bearing，thkbearing，trbearing，NSKbearing，NTNbearing，SKFbearing，NACHIbearing，KOYObearing，HCHbearing，IKObearing]What are the precautions for oil lubrication and grease
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