In Top Hammer Drilling the hammer produces a percussive force on the drill rods or tubes, which is transmitted to the drill bit. The global Top Hammer Drilling Tools market is valued at xx million ...
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...
Tapered drill rod (taper steel rod, taper drill steel), which provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain
the ...
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...
Mar. 3rd – 4th, 2016, one customer of South Africa visited our company for the pick production line. Our picks had good and reliable performance in the test and in great demand in South Africa.
Th...
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...