How to choose a construction mixer: tips and reviews
Preparation of building mixtures usually involves mixing them with the achievement of the optimum consistency. The quality and quality of the finished solution depends on the reliability and durability of the formed coating or building structure. Expanding the construction mixers segment, coupled with the continuous improvement of their capabilities, allows home craftsmen and professionals to successfully cope with the tasks of preparing mixtures of any type. It is only necessary to choose a suitable mixer for a particular job. The construction tool of the appropriate destination will save physical strength and provide a quality result.
Construction Mixer Features
Talking about the specific functions of this device is difficult, because there are many types of structures and optional sets. But, summarizing them, you can think of a construction mixer as a mechanical tool that performs stirring.Again, depending on the model, the worker can prepare the paint and varnish mix, the primer solution, the concrete mass, etc. The degree of viscosity and the characteristics of the components do not matter. Even fillers in the form of crushed stone and brick fragments are not an obstacle in the work of the mixer. Of course, subject to the use of a model of sufficient power and appropriate design, the variety of which sometimes complicates the choice.
Drill or mixer?
The primary separation is done by total functionality. As you can see, the rotation of the working body (nozzle) is assumed in the design of a conventional drill. In order to save the manufacturers combined the two functions in one device. Thus, the notion of a hand mixer construction mixer, which is capable of drilling and the tasks of mixing mortars, arose.
It would seem that this is an ideal solution, eliminating the need to purchase two tools separately for each task. Moreover, even a perforator can be suspected of being able to perform the work of a mixer. But, as in the case of any multifunctional device, the drill mixer is significantly inferior in performance to specialized models.
And although the most advanced versions cope with the maintenance of viscous and heavy mixtures, while preserving the drilling function, a full-fledged construction mixer spends much less resources on such operations. This is due to contradictions in the construction of the mixer and the drill - in the first case radial loads are assumed, and in the second nozzle it creates a load along the uniform longitudinal axis. And yet, the expediency in the purchase of the drill-mixer is, when planned irregular mixing of light mixtures, varnishes, enamels and similar compounds.
How to choose a nozzle?
Often, construction mixers are supplied without nozzles, which makes it possible to choose a working component specifically for specific purposes. The need to purchase equipment may arise when it is available, if it is intended to work with different mixtures. For example, the construction mixer "Interskol" can be supplemented with nozzles for liquid, thick, viscous and other compositions.
The standard design of the mixer provides a thread on the spindle - it serves to fix the mixer. Variants with locks that have a movable coupling, devices with quick-clamping chucks and models that do not require keys for clamping are also common.
Direct selection of the agitator should be based on the following parameters:
- Type of material (light, heavy, viscous, liquid, etc.).
- The dimensions of the tooling are the diameter of the working structure (from 12 to 18 cm) and the length (usually 60 cm).
- Rotation parameters - exclusion of air, lowering or raising the mixture, preventing splashing, etc.
On condition of proper selection of the auger, the construction mixer will not only perform the mixing of the mixture, but also provide it with the necessary operational properties.
Devices designed for mixing concrete solutions, can be attributed to a separate category. As a rule, they are chosen to replace specialized concrete mixers. Immediately it should be noted that manual work with concrete, regardless of the mixer used, gives serious stress to the muscles, therefore, for large volumes of 2-3 “cubes”, only a team of workers can cope.
Due to increasing loads, the construction mixer for concrete has some differences from the standard models. In particular, a two-spindle system is used (minimizes the transmission of torque to the user), necessarily high power and a special auger design, which eliminates rubble jamming.
Incorrectly calculated load on the mixer can lead to unit breakage. At best, it will not provide the proper quality of the solution. If light finishing mixtures are used, there will be enough power at 1000 W, and sometimes 500 W is enough, depending on the characteristics of the material.
Mixers, the power potential of which is at least 1000 W, cope with viscous solutions and large volumes. For example, for concrete and ultra-viscous mastic, models with engines of 1,500 watts or more are recommended. But when working with concrete, it is important to take into account the overall quality of the device. So, the budget construction mixer, the price of which is 3-5 thousand rubles, cannot be considered as a suitable option for work with heavy mixtures. Even an attractive engine with a single-spindle design is not suitable for serious events.
The role of torque
This indicator is also associated with the loads on the device and engine power. In addition, the amount of torque is determined by the characteristics of the gearbox. A wide selection of this indicator shows the construction mixer "Fiolent" domestic production.Depending on the modification, the number of revolutions varies. At a high level, the spindle copes well with the maintenance of paint and varnish mixtures. Low torque implies less tool heating. In this case, the mixer has a higher thrustiness and offers more opportunities for mixing. The average high-power drill mixer provides up to 70 Nm, while specialized devices deliver a torque greater than 100 Nm.
How much will it cost?
How wide is the range of designs and models in the mixers segment, so are the price categories. Usually the prices differ depending on the power, functionality and technical support with which the construction mixer is supplemented. The price of the combined model (drill mixer) usually does not exceed 7 thousand rubles. A quality unit in this niche is quite possible to find in 4-5 thousand. Specialized models are more expensive. Branded tools with a capacity of 1200 W are available for 10-15 thousand rubles.
Feedback and practice of use
The popularity of tools for mixing bulk and liquid materials speaks for itself.Most of them are light and relatively ergonomic devices that help in the repair and construction. Moreover, feedback on improving the quality of work comes not only from professionals, but also from private craftsmen who use construction mixers in the household. Electric agitators replaced and ineffective improvised means for mixing, and overall machines working with concrete.
The combination of several functions, increased ergonomics and capacity increase also contribute to the popularity of such equipment. Of course, a mixer drill is more expensive than a brush or a bar, which can be used to mix paint. But compared to the electric mechanism, it only resembles an imitation process, rather than a full-fledged creation of a quality solution. And on the other hand, the compactness and mobility of specialized mixers are becoming a good alternative to concrete mixers, reducing the number of workers at the construction site and optimizing costs.