grp car body
The design of rock drilling rods is a blend of science and engineering prowess. They are generally hollow, allowing for the circulation of drilling fluids, also known as mud or coolant, which serves multiple purposes. It cools and lubricates the drill bit, removes cuttings, and stabilizes the borehole. The rods' surface finish and thread design significantly influence their performance and service life.
As we all know, there are fiberglass pultruded gratings and fiberglass molded gratings, but how to divide gratings by the shape? Generally speaking, fiberglass grating can be divided to four categories, the most important is divide according to product usage as well as the characteristics of their classification.
According to common usage rules it can be roughly divided to following few categories:
According to common usage rules it can be roughly divided to following few categories: