Page 197 - SFR Chain Catalogue v.3.1

滚子链动传动装置故障处理指南
Troubleshooting guide

Troubleshooting guide

Description Possible reasons Suggested solution

Excessive noise °ḤDrive has obstruction °ḤInspect and remove obstruction. Replace chain if necessary
°ḤLoose casing or shaft mounts °ḤTighten fasteners
°ḤExcessive chain slack °ḤRe-tension chain
°ḤReplace chain
°ḤExcessive chain wear °ḤInspect chain for damage and replace sprockets
°ḤExcessive sprocket wear °ḤInspect chain and sprockets for damage and re-align
°ḤSprocket misalignment sprockets and shafts
°ḤInadequate lubrication °ḤInspect chain. Clean and establish correct lubrication
°ḤRedesign the drive using a smaller chain pitch
°ḤChain pitch is too large (multiple strands), if possible
°ḤToo few sprocket teeth °ḤCheck to see if larger sprockets can be used. If not, redesign
drive using a smaller chain pitch (multiple strands), if possible

Wear on roller link plates °ḤSprocket misalignment °ḤInspect chain and sprockets for damage and re-align
and on one side of the sprockets and shafts
sprocket tooth surface

Chain sticks to sprocket teeth °ḤExcessive sprocket wear °ḤInspect chain for damage and replace sprockets
°ḤSprocket misalignment °ḤInspect chain and sprockets for damage and re-align
sprockets and shafts
Chain climbs the sprocket teeth °ḤExcessive chain slack °ḤRe-tension chain
°ḤExcessive chain wear °ḤReplace chain
°ḤExcessive sprocket wear °ḤInspect chain for damage and replace sprockets
°ḤExtreme overload °ḤInspect the drive. Replace chain and eliminate the
cause of overload
Flaw on chain plate °ḤExposure to severe corrosion in °ḤProtect the chain from corrosion or use stainless
(Stress Corrosion Cracking) combination with high steel products
interference fits °ḤNever plate chains. Order plated chain from SFR
°ḤHydrogen embrittlement from
improper plating of chain

Sidebar breaking °ḤLoading is greater than the chain's °ḤInspect the drive to determine the cause of high load
(Fatigue failure) dynamic capacity and eliminate if possible. Redesign the drive using
a higher-capacity chain if the cause of high load cannot
be eliminated

Pin failure °ḤExtreme overload °ḤReplace chain and inspect all drive components for
°ḤInadequate lubrication damage. Replace damaged components and eliminate
the cause of overload
°ḤReplace chain and lubricate properly

Link plate fails °ḤExtreme overload °ḤReplace chain and inspect all drive components for
(Ultimate Strength Failure) °ḤDrive has obstruction damage. Replace damaged components and eliminate
the cause of overload
°ḤInspect and remove obstruction.
Replace chain if necessary

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