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The most feared thing about the excavator track is the chain drop! There are many reasons for the derailment, but most of the chains are caused by the looseness of the looseness. This principle is well understood, similar to a bicycle, and the chain is too loose and too long to be particularly easy ...
Read MoreThe overflow valve is prone to high-frequency noise, which is mainly caused by the unstable performance of the pilot valve, which is the noise generated by the high-frequency oscillation of the front chamber pressure of the pilot valve. The main reasons are: 1. Air is mixed into the oil to form a ca...
Read MoreWelcome new and old customers to visit,our Booth NO.is Hall 8 E18. Every year,VM GROUP will participate in foreign professional heavy equipment exhibitions. Products on display include:track roller ,carrier roller,link track ,sprokect,etc.
Read MoreSeptember 24, 2018, the Chinese lunar calendar August 15, is the Mid-Autumn Festival in China, this day, every family should gather together to eat, enjoy the moon, pray for happiness; VM on this day also wishes new and old customers, family happiness and well-being!
Read MoreWhy do we need butter? There are dozens of relative movement on the arm and bucket of excavator when working. The pin and bush of these parts always have friction when working. And because of the heavy workload of excavator, the force on these parts is also very large. The 4 pins on the excavator bu...
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