05 May,2017
Reduce the oil leakage fault of central swivel joint.
Add internal support ring, to oppose the wear of eccentric load;
Add external dustproof design, reduce the external dust;
Smear grease in neck when assembly, to avoid dry friction;
Change the fixed way from link rods type to plate type with fork structure, eliminate the radial eccentric wear.
PRE:SANY SY465H excavator improve the heat-resisting performance of grease
NEXT:The large excavator of SANY SY465 have strengthen structure undercourage with higher reliability
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