Core Drilling

The process of core drilling upward is called inverse drilling, and it can be done. Usually it involves the underside of a concrete structure with restricted access from above. Check Concrete Core Drilling Info

Rotary drill bits and DTH hammer bits are some examples of drill bits used for mining, Check Concrete Core Drilling Info. They can range in size from narrower than 150 mm to over 300mm thick. These types of bits are typically used to hollow out slots for explosives in mining. 

It is a special, conscientious type of drilling that regulates the rotation speed to suit the type of material or sediment being penetrated, please Check Concrete Core Drilling Info. The torque and axis of the drill is carefully controlled for the best quality of core.

The core drilling machine can be fitted with drill bits up to 60 inches in length, and there is no limit to how deep the drill can go. In concrete, the core drill can reach any depth necessary. Check Concrete Core Drilling Information

It is very loud, and creates a lot of dust, such as silica dust, which can be harmful and physically exhausting for the workers. The vibrations of the machine also stress laborers’ hands, and the level of noise created by the drill exceed the recommended limits for human safety. Check Concrete Core Drilling Information

The process, as it is used in mining, is to drill into rock or mineral with a hollow drill in order to extract cylindrical samples, please check Concrete Core Drilling Information. A core bit will be made out of diamond or a small roller ring with steel teeth, cutting a hole shaped like a doughnut. 

Absolutely. Saw cutting is critical to keep the slabs from cracking unpredictably. After it cures, the joints between concrete slabs need to be sawed through. Check Concrete Core Drilling Page

Many contractors use circular saws for the majority of their cutting. They are good for lumber, metal, plastic and brick, please visit Concrete Core Drilling Page. They can also be used for concrete, but take care, as a circular saw is not an easy tool to master. 

To dissolve concrete, cover the area in phosphoric acid or trisodium phosphate until saturated. Once this is done, you will want to scrub the acid into the concrete with a brush for a bigger impact. This should be sufficient. Learn more here: Concrete Core Drilling Page

For concrete cutting, use a standard circular saw with a corundum equipped please visit : www.proconcretecutting.net.au/brisbane You can also use a diamond blade fitting, for small tasks. When cutting concrete slabs, only use a tool like this for the top inch and use a sledgehammer for the rest, because the new concrete will bond better