Scraper conveyor bolt 40Cr mining U-bolt sprocket shaft group head assembly and other mining machine

U-bolt series products are fasteners of scraper conveyor
It is suitable for coal mine double chain scraper conveyor and central chain scraper transfer machine
The product is made of medium carbon alloy steel in strict accordance with mtt-187
1-88 standard, and its chemical composition and heat treatment comply with GB3098 1
The mechanical properties comply with GB3098 8
8 in 1 Class B project regulations
It has the characteristics of long service cycle and simple installation
It is divided into M12, M24 and M24 & times according to the equipment model; 2、M30× 2, etc

It is made of bonded steel and formed by integral die forging
After quenching and tempering heat treatment and local surface quenching, its mechanical performance indexes meet the requirements, which increases the service life of bolt products, greatly reduces the cost and increases the transportation efficiency