In these series article, we will introduce the key knowledge on blast drilling according to our many years practical experience in Hardrock Drills. Below is the lecture overview which will be introduced item by item, today we will start from Modern systems for surface blasting drilling. Lecture Overview Modern systems for surface blasting drilling Blast […]

Lecture Overview Introduction Pit Geometry Interaction deposit geometry Design and management Overall process Interaction of distinct operations Machinery – Drill Rigs, Loaders, Excavators etc. General appraisal  History From ancient times to now  Classifications By operation size By material By level of mechanization Operation Size Huge operations 50 Mio t and more Big operations 10 Miot Standard […]

In the last article Hardrock Mining Drill Rig Selection – Part One, we introduce field application for Mining Drill Rig and the target for all application(Minimum Cost and Maximum Output), in today’s blog, we will give more detailed suggestions how to select proper rig for specific application. Blasthole Drilling Operations Priority Focus on budgets and […]

For mining drilling rig or blasthole drills selection, our target is choosing the right rig for right purpose, let’s have the further explanation on how to achieve this target. There are totally two parts for this topic, here is the part one. Field of Application OPEN PIT MINING (METALS, INDUSTRIAL AND BUILDING MATERIALS) Production drilling […]

For borehole drilling, it looks simple. But if you really want to get perfect borehole, it will need a lot of professional knowledge. Such as selecting most suitable drill rigs and drill tools. Any of them is not chosen properly, it will cause issues on hole quality. Below is some tips we learned in the […]

In the world, there are  hundreds of player, who making the Drill Rigs from one century ago. Their drilling machine cover almost all drilling business, such as blasthole drilling, water well drilling, geothermal drilling and solar piling drilling as well as construction borehole drilling etc. However, along with marketing competition and technology upgrading, less 10 […]

Hardrock is pleased to ship out 7 sets of vertical drilling rigs out to Africa, the rigs were purchased by an African construction and drilling company to used for communities well borehole drilling and farms irrigation. Back in 2017, this company placed a trial order for one set of drilling rig DP200, after one year’s […]

The DTH hammer bit is very widely used for bore hole drilling including Foundation Drilling, Water Well and Mining Drilling. Therefore how to select proper drill bit is the key technology for each borehole drill operator. If we want to do this the, we must know the different characteristic for different drill bit type. For […]

By the end of Jun, 2018, Hardrock supplied one truck mounted Hardrock DT400 Drilling Rig for National Agriculture Irrigation projects in Pakistan. The Hardrock DT400 truck mounted rig is capable of opening holes at 20’’ diameter, and 400m depth. Custom built to customer’s requirements, the rig is fitted with a reverse circulation equipment, it has higher […]

Rotary drilling tricone bit is essential for Borehole Rotary drilling such as for Piling Drilling, Foundation Drilling, Mining Drilling, Oil/Gas Drilling and Water Well Drilling. Normally it works with mud pump or air compressor as drilling fluid to take the cuttings out of the hole. Classification in terms of amount of rollers:        […]