Almost every concrete core driller aims to attain maximum efficiency when going about their business. However, with all the unforeseen things that can occur during concrete core drilling, it is hard for a driller who is not seasoned to anticipate what might arise, and this reduces the likelihood of achieving the expected outcomes. Here are a few things all concrete core drilling operators should keep top-of-mind before they can begin working on any job.
Anchoring
Correct rig anchoring is critical to ensuring a straight core is maintained. The best way of anchoring the drill rig is by using physical anchors specially built for concrete core drilling. It is potentially hazardous to utilise a vacuum base when you're drilling into a concrete wall, floor or ceiling.
Always see to it that the vacuum filter bottle is without any debris or water, because the presence of either will create a vacuum. It is advisable to use a vacuum gauge to make sure that you have a visual clue that enough vacuum is present for drilling.
Power supply
So as to maintain the right drilling speed, the concrete core driller needs the right amount of power to perform the task. Many core drills are powered via electrical means, and it is wise to use an amp meter when drilling using this kind of core drill. Drillers should aim to run the drill motor at its top rated amperage, but should be careful not to exceed it. Operating the motor above its maximum rated amperage will lead to the motor becoming overworked, subsequently culminating in reduced productivity.
More so, some internal parts of the electric-powered drill motor can wear prematurely due to overheating. The same issues can also apply to concrete core drilling equipment with hydraulic motors. Therefore, it is essential to maintain the right power flow to ensure consistent and reliable drilling speed.
Water use
Several concrete core drillers wrongfully think that the more water is used up, the better the results. As the core bits work their way into the concrete, water mixes up with concrete dust and debris to create concrete slurry. This slurry accelerates the grinding process by allowing the core bit to stay in contact with concrete particles in the slurry as well as ensuring the bit remains cool.
Without sufficient water, there is no medium to form the slurry and the diamonds in the core bit will keep grinding the same concrete particles. Excess water, on the other hand, will wash away all the concrete particles, leaving behind nothing or little for the diamonds to grind. As such, concrete drillers should add water until the slurry starts to looks heavy for best results.
Contact a local professional, such as Allied Concrete Cutting & Drilling Pty Ltd, for more information.
Share6 November 2015
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