The deteriorating economic environment has worried managers of many domestic companies. Not long ago, the September sales data released by the North American market made some Chinese auto parts companies feel uneasy on the other side of the ocean, which greatly damaged their confidence in entering the Latin American supporting market.

The weak R&D capability of my country's auto parts companies has always been a problem that everyone is very concerned about. For many years, there are different opinions on why parts companies have not invested in R&D and how they should invest in R&D.

Without disassembling the piston ring, check the wear degree of the piston ring by watching, listening, draining and pouring.

1. Overload fracture. After the new piston ring is installed in the cylinder, it will run without running-in, overloaded, trapped in the impact load, and the piston ring will be impacted and expanded, resulting in breakage.

When driving on the road, it is inevitable that the piston will be damaged. When the piston is really broken, what should we do?

Since the pistons of internal combustion engines work under high temperature, high pressure and high load conditions, the requirements for the pistons are relatively high, so we mainly talk about the classification of internal combustion engine pistons.