A renovator is a tool that has many names: a vibrotool, a multitool, a multifunctional tool (MFI), a vibratory cutter, an oscilloscope cutter. The device appeared on the domestic market relatively recently, and user reviews do not help determine the appropriateness of the purchase: among the comments you can find both “useless” and “how I used to live without it.” Next, we will deal with what a renovator is, how it works, how to use it, and why this tool is needed at all.
What is a renovator
This is a handheld electrical appliance based on the use of an oscillating drive. The rotations from the electric motor are converted into oscillations by means of an eccentric fork, creating vibration. Thus, the equipment makes oscillatory movements, which, depending on the model or power, are in the range of 2° – 4°.
Outwardly, the renovator looks like a smaller and lighter version of a grinder or compact angle drills, but its capabilities go far beyond highly specialized solutions. Actually, that’s why the tool is called multifunctional and universal. It can perform the functions of a grinder, electric jigsaw, various cutting power tools, grinder, drill, chisel and more. True, when working with a renovator, it is worth considering its advantages and disadvantages.
The main question is the appropriateness of using this power tool in each case. To get an answer, you need to get to know its features better.
Renovator Makita TM30DZ, Without memory, Without battery 7 299 *
What determines its functionality
First of all, from the available set of nozzles and their properties. The budget basic set consists of a straight saw blade, a scraper, a segmented saw blade and a triangular sanding platform on which the skins are mounted.
The complete set can be calculated in dozens of nozzles, but in pursuit of quantity, one should not forget about quality.
After purchasing the device, you can buy nozzles, thereby expanding your capabilities. True, you need to be prepared for the fact that the cost of a quality branded product can be quite high. When choosing offers from third-party manufacturers, you need to pay attention to the fixation connector. There are models with a universal OIS mount. In extreme cases, there are adapters.
The relationship between technical characteristics and functionality has not been canceled. The main parameters that you need to focus on are the power, the supported oscillation frequency range and the ability to adjust the speed. That is why for professional models with the appropriate equipment, you can find more application scenarios, not to mention the convenience, increase in speed and quality of the work done.
Can the renovator replace other tools?
This is perhaps one of the main questions asked by those who want to buy a renovator. It must be understood that this electrical appliance is designed to refine and fine-tune workpieces or surfaces. It cannot be considered a full-fledged alternative to specialized tools, although it can perform the same functions.
Again, the reason is expediency. It may take a renovator several hours to do what a narrow-profile power tool (grinder, grinder, electric jigsaw, etc.) can do in a matter of minutes. For example, cross cutting boards or panels, rough grinding of concrete. On the other hand, labor efficiency when using a renovator is much higher than when using most hand tools. You can call this solution an intermediate option.
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But the main feature of the renovator is that it can be used to work in hard-to-reach places: where it is impossible to get close to the same grinder or grinder, and it is inconvenient to use a hand tool. Plus, this multi-tool does a great job of fine-tuning and allows you to do finer work for a neat fit.
The renovator will help out even when there is no specialized tool at hand.
Professional masters often use MFIs instead of raising the entire workshop to the client on the floor. Especially when it comes to small volumes of work.
not suitable for long-term use;
inappropriate for large volumes of work;
low speed compared to narrow-profile electrical appliances.
From this we can conclude that the renovator is a useful and multifaceted tool, if used for its intended purpose. A good gift idea for a man who loves to work with his hands. An experienced craftsman will definitely find a use for this power tool, so that the renovator will not just gather dust on the shelf.
Renovator AEG OMNI 18C LI-202BKIT1X 17 499 *
Typical Application Scenarios
The renovator, with the right equipment, can cut, saw, grind and clean the surface, as well as scrape, plan, gouge, open the seams and much more. With it, you can refine the grooves, remove paintwork, plaster and insulating residues, cut square and rectangular holes, cut various types of materials, trim protruding elements flush.
How it looks in practice – you can see in the video below.
How to work with a renovator
One of the main advantages of the device is its simplicity and convenience. To start, you need to determine the material of the surface to be treated and the scope of work. After that, a suitable nozzle is selected. Fixation of the nozzle on the renovator is carried out using a hex key or a special quick-release mechanism. Then the speed of the power tool is adjusted. Now the renovator is ready for work, and the rest depends on the skill of the master and the directness of his hands.
The following markings can be used in the designation of nozzles:
Carbide – carbide teeth that can “take” hardened steel. For example, nails, screws, pipe trimmings or corners.
But more often manufacturers use their designations. To get acquainted with the properties and purpose of the nozzles, you need to study the instructions for your renovator.
Relationship between speed and work surface:
At low speeds, steel, metal and other hard materials can be cut. This mode is suitable for working with heat sensitive materials.
The high vibration frequency is suitable for drywall, plastic or softwood.It is also necessary to take into account the power of the power tool in order to prevent breakdowns and choose the right model:
Up to 100 W are the minimum possibilities. Suitable for light sanding or cutting of non-hard materials: cardboard, plastic, linoleum, insulating materials.
Up to 200 W – household models for rare use, able to cope with simple tasks and small volumes.
Up to 400 W – a semi-professional power tool. standard functionality.
More than 400 W – “omnipotent” professional models. Suitable for any task and, as a rule, have an impressive set of useful options.
Additional tips and tricks for working with a renovator
It is recommended to work as a renovator for no more than 15-20 minutes, after which the tool should be allowed to “rest” for 10 minutes. If you neglect this recommendation, there is a chance to burn the device.
Fix the workpiece securely. This will make work more convenient, improve quality and accuracy, especially during cutting.
Workplace preparation. The workbench should not have small parts and appliances, especially cutting ones. Vibrations may cause them to fall off the table.
Before starting, it is worth removing debris and dust from the workbench – all this can rise into the air during work.
What to look for when buying
soft grips and handle for a comfortable grip;
adjustment of the oscillation frequency range.
Renovator Metabo MT 400 QUICK SET
For example, the Metabo MT 400 QUICK SET renovator has a power of 400 W, a speed range from 11,000 counts/min to 18,500 counts/min, an L/R rig angle of 1.6°, and a weight of 1.4 kg. Includes 6 nozzles. The model has good reviews, backlighting, a mechanism for quick replacement of nozzles and other useful options. A vacuum cleaner connection is provided.
Typical errors when working with the device
Excessive pressure on the nozzle during operation. It can lead to breakage of the renovator itself, deformation of the nozzle or its breakage, as well as damage to the workpiece.
Long work without breaks. It can cause overheating of the elements, which will lead to accelerated wear and the likelihood of their failure.
Wrong nozzle selection. This can slow down the work and accelerate the wear of the working surface.
Incidental contact with steel or concrete. Usually results in blunting of tips not designed for these materials. As a result – the need for replacement.
Processing of cases of electrical appliances in assembled form. Not all electronics can withstand intense vibrations. The body must first be removed.
Two extremes: under-clamping or over-tightening the bolt with a wrench. In the first case, the nozzle may become loose and fall out during operation. In the second, the details of the fixing mechanism, the nozzle itself or the key may burst. The quick-detachable mechanism is free from this shortcoming.