新闻资讯
新闻资讯

How is the hollow steel used for manufacturing drill rods produced?



Production of hollow steel for drill rods: Electric furnace smelting - LF furnace refining - Continuous casting machine for large square billets - Initial rolling of intermediate billets on the roughing mill - Drilling of central holes on deep hole drilling machine - Installation of core rods - Rolling of hollow steel on semi-continuous rolling mill - Cooling control - Quality inspection - Length cutting - Transition to drill rod production line.

 

RELATED INFORMATION


Retrofit of Hydraulic System for Imported Hydraulic Jumbo

With excellent operating performance, hydraulic jumbos have basically replaced pneumatic rock drills in large-scale mines, hydropower projects, railway works and tunnel construction. Nevertheless


Atlas Copco COP 1838ME Hydraulic Rock Drill

Within the Epiroc family of hydraulic rock drills, the COP 1838ME is a top-hammer (drifter) machine designed for medium-deep hole drilling of larger-diameter holes in underground mining


Peru’s emergency mining ban to cost $200 million in lost gold output

Peruvian gold output is expected to be significantly dented in the coming month due to a mining ban in a northern region of the country that’s seen an up-tick in criminal activity culminating in the murder of 13 mine workers.


Peru’s emergency mining ban to cost $200 million in lost gold output

Peruvian gold output is expected to be significantly dented in the coming month due to a mining ban in a northern region of the country that’s seen an up-tick in criminal activity culminating in the murder of 13 mine workers


South32’s Hermosa project advances in federal permitting

South32’s (ASX: S32) proposed zinc-manganese Hermosa mine in Arizona reached a permitting milestone on Friday following the release of its draft environmental impact statement by the US Forest Service (USFS)


West African Resources begins mining, crushing at Kiaka

West African Resources says construction of the Kiaka gold project, in Burkina Faso, continues to progress on time and on budget for first gold production in the third quarter of this year.