The creation of holes in walls, ceilings and other building structures is a complex technical measure. This is especially true when the target structure is brick, stone or other solid state material. But most often, builders are faced with the need to process concrete as the most common base for walls. To perform drilling operations in such structures allows diamond drilling of concrete, which is not only a high mechanical impact, but also the accuracy of the formation of the edges.
What is the feature of technology?
Compared to alternative methods of drilling and cutting building materials, diamond technology has two fundamental points. This primarily relates to the quality of the holes and openings formed. This feature is due to the use of special bits and crowns that carefully invade the structure of the material, making accurate and at the same time fast cutting. The second feature is the cleanliness that remains after diamond drilling of holes in the concrete has been completed. The technology provides for the inclusion in the working process of a cooling system of cutting elements by means of water. But, in addition to the function of a cooler, this device also performs a filtering role, instantly eliminating dust that is formed during drilling. Water is supplied through a pump or a special tank. In a cleanroom environment, an industrial vacuum cleaner and sludge collector may be used to ensure this.
Where is diamond concrete drilling used?
This cutting method can be used in the construction of private houses, and in reconstruction works, as well as in technical measures of an industrial scale. That is, in all areas where, in principle, drilling or cutting of concrete structures may be required. For example, the widespread work can include staking the foundation for the purpose of conducting ventilation ducts, installing fire lines in the ceilings, fixing fencing elements, etc. Diamond drilling of holes in concrete is often used as part of renewal projects for electric networks. For such operations, hand tools with a small diameter are used. However, in the creation of openings for engineering communications in heating and gas supply systems, large-format nozzles cannot be dispensed with.
Diamond cutting equipment
Use for the implementation of diamond processing can only be a special tool. Usually professional builders use whole complexes of machine tools and units. In any case, the main functions fall on the basic installation, which provides drive force. Crowns, in turn, directly realize diamond drilling of concrete. The equipment of this type is a core drill, which is driven by a unit equipped with a hydraulic or electric grinder.
Hydraulic machines designed for drilling holes with large diameters are quite common. The most powerful equipment of this type resembles industrial units in design and construction. This is due to the requirements for energy supply, and with the technical device of the machine itself. Almost any diamond concrete drilling machine is equipped with a bed, which allows you to attach the base structure to the work area. As for the power of the equipment, it varies on average from 1.5 to 3 kW. The most productive plants are three-phase models, which include water-cooled induction motors.
Operational technical support
First of all, drilling operations are impossible without the use of diamond segments. These are high-strength gear elements with diamond impregnations that allow you to handle a wide range of building materials. In shape, this equipment can be represented by discs and ropes with a cutting edge. Diamond drilling of concrete is also possible without reliable fixation of equipment. It has already been noted that for this purpose the installations are equipped with special devices. The operator at the place of work must properly secure the bed with anchor elements or dowels.
Also, the working process is impossible without a source of water and electrical wiring. As a rule, such a tool is powered from a 220 V network, although industrial units require a higher voltage. In accordance with the technology, diamond drilling of holes in concrete is carried out according to the โwetโ method, that is, it is important to calculate a sufficient supply of water for the full service of the procedure. So, for example, for drilling a wall with a 10-centimeter diameter to a depth of 50 cm, approximately 5 liters are consumed.
Manual diamond cutting
With all the advantages of massive plants that perform complex tasks for cutting concrete structures, the demand for a more compact hand tool remains. The relevance of such carvers is due to their mobility, ease of use and the possibility of use in hard to reach places. Diamond bits for drilling are also included in the package of such a tool, but their productivity is lower than in the case of full-size units. Typically, hand models are used in the formation of narrow straight-line seams, as well as small openings in floors and walls with the aim of further laying utilities. By the way, the advantages of such cutters are not limited to ergonomics in operation. Depending on the conditions of use, they can provide fairly high accuracy and accuracy.
Crown Selection Options
Practice shows that the quality of the gating is affected not so much by the power of the equipment and the skills of the operator, but by the correspondence of the selected crown to the requirements of the task. Of course, you should take into account all the nuances and installation conditions, but the factor of the choice of equipment directly determines the final result. So, crowns are selected according to criteria such as abrasion, reinforcement and diameter. Depending on the sizes with which it is planned to carry out diamond drilling of concrete, not only the diameter of the nozzle is selected, but also the degree of granularity of the cutting chips. Abrasiveness also affects the quality of drilling. The best option may be to use different devices. If you plan to create a large hole in a thick wall, then the main operation of the strobing is carried out with a coarse-grained crown, and then its result is adjusted by a less rigid abrasive. It is necessary to take into account the need for reinforcing the working element, although modern devices are almost never produced without additional strengthening of the structure.
Wire cutting technology
This is a rather specific type of diamond cutting, in the implementation of which not crowns are used, but a rope with working segments fixed on its surface. The technical support of this technique involves the use of machines with electric motors and wheel locks that implement the belt travel. The user can use the drive speed controls to select the optimal cutting parameters, as well as use automatic modes. Unfortunately, diamond cutting of concrete by wire is not always possible due to the large size of the equipment. In places where it was possible to implement this technology, there is a high cutting speed and silent operation of the units. By the way, the equipment itself wears less during operation.
How much does diamond drilling cost?
In terms of cost of processing, concrete is not the most expensive material. Usually in price lists it is placed between reinforced concrete and brick. The specific rates depend on many parameters, but the diameter is considered the main one. The general calculation is based on the depth at which the holes in the concrete are formed. Prices per 1 cm average 40-50 rubles. At the same time, a small diameter of 30 mm can cost 15 rubles, and for a 350 mm hole they ask about 100 rubles.
Conclusion
When choosing one or another method of solving a problem in construction and installation operations, engineers often encounter problems of maintaining the overall integrity of structures. The mechanical action of high power provides the ability to process solid-state material, but such actions are not always left without a trace for the structure as a whole. In this regard, diamond cutting of concrete is considered one of the safest technologies. Despite the intense force, the crown gently and without unnecessary vibrations invades the structure of the material. However, these qualities to a large extent depend on the equipment used. A hand carver, for example, is the most gentle tool of this type in terms of impact on adjacent structures.