Tapered drill rods have become one of the essential tools in the mining and construction industries. These rods are primarily used to hold and transfer energy from the rock drill to the drill bit, ...
For proper use of the button bits, guarantee the normal wear of scrapped the button bit, must pay attention to the following:
1 .according to the rock conditions (hardness, corrosion resistance) d...
Here in the United States we used to refer to tunneling by drill-and-blast as “conventional” tunneling, which I guess leaves tunneling by TBM or other mechanized means to be referred to as “Unconve...
We carried out a complete reformation for Threaded Products Workshop from Apr.5th to May 15th. In the new workshop, we installed double layers of thermal insulation, double glazed windows and new d...
In order to get out of the school, better social contact, understand social, training exercise their own talent, set up the service consciousness of the society, at the same time, better the textbo...
From October 12 to October 18, our Sanshan’s technicians conducted field tests on the 2.0 version of 76T45,89T45 thread button bit in miaogou iron mine, qinhuangdao, hebei province. The custo...