Features of grinding machines "Interskol" and advice on their choice

Content
  1. Advantages and disadvantages
  2. Types and rating
  3. Selection Tips
  4. User manual

The company "Interskol" is one of the leaders in the domestic market for various power tools. Some of the company's products are various types and models of grinders - belt, angle, eccentric, surface grinders and angle brushes. They allow you to remove paint and varnish, age or polish a wooden product, remove rust from metal or grind off burrs from its surface, grind it, process a polymer or composite surface, polish a stone, level walls after puttying. Grinding machines are in demand in all industries, from furniture and joinery to construction work.

Advantages and disadvantages

Grinding machines belong to the category of power tools that are used not only at an industrial or professional level, but also in everyday life for ordinary people. Grinding machines of the Interskol company are capable of performing a wide range of works from roughing to finishing processing of various materials.

The main advantage of grinding machines is, of course, their direct purpose. They replace the need for heavy manual labor on a variety of surfaces. With such a tool, you no longer need sandpaper on a wooden block when grinding, as well as a hacksaw for metal or stone. Angle grinders (angle grinders) with the purchase of the necessary equipment can cut stone, metal, plastic, wood.

Many models are equipped with special dust and waste disposal to make the process of work safer and cleaner.

The advantages of the Interskol models include an extensive selection of components (grinding belts, wheels, wheels for cutting various materials, replaceable brushes) and tool reliability. These qualities are among the most important to which you should pay attention when choosing a device. Do not forget about the availability of warranty service and service centers nearby.

Of the shortcomings of the Interskol grinding machines, judging by the feedback from users, the following can be distinguished: the short length of the power cord, insufficient protection against vibration when working with the tool.

Types and rating

The company "Interskol" presents on the market a wide variety of grinding machines - belt, eccentric, angle, vibration. And in each view, both professional and household power tool models are presented. An impressive list of additional components is presented for each model. Today we will tell you about them and rank them, so to speak, according to the popularity rating among consumers.

LBM - in common people "Bulgarian" - is the most common model of grinders, due to its versatility and ease of use, it allows not only grinding work, but also cutting metal, stone, concrete, polymer and composite materials, cleaning welds.

Almost every owner of a summer cottage or his own home has a grinder. And there will always be a job for her.

The company "Interskol" provides a large selection of angle grinders - from compact small models to large professional tools.And there are also highly specialized modifications, for example, an angle polishing machine (UPM), which has the same principle of operation as the angle grinder, but with the ability to only polish various surfaces. The tool is widely used in automotive maintenance and repair.

The golden mean of the range of angle grinders is model UShM-22/230... This model belongs to the category of semi-professional tools: powerful engine, great functionality, reinforced spindle design, large diameter of the polishing or cutting blade.

    Specifications.

    • Engine power - 2200 W.
    • The maximum disc diameter is 230 mm.
    • The idling speed of the grinding wheel is 6500 rpm.
    • Weight - 5.2 kg.

    The advantages of this model include the presence of a smooth start, which reduces the load on the engine, a long three-meter power cord in protective insulation, an additional handle, limiting the starting current, the ability to cut durable materials using special saw wheels, as well as providing a protective cover that protects against sparks and splinters when cutting materials. The warranty period of the machine is 3 years.

    Among the shortcomings, the heavy weight of the model (5.2 kg) and tangible vibrations when cutting hard materials - stone, concrete, are noted.

    The belt sander is often compact in size, the working surface is an emery belt. During operation, the grinder makes circular and oscillatory movements, removing even the smallest irregularities in the surface. Belt grinding devices are distinguished by the highest productivity, they perfectly cope with a large amount of work, where it is necessary to carry out primary grinding or cleaning the surface, remove paint or a layer of putty. For finishing or polishing, it is best to use a surface grinder or orbital sander.

    An excellent choice of belt sander would be model LShM-100 / 1200E, it has a powerful motor for a high level of productivity and is equipped with variable belt speed to adapt to different types of materials.

    Specifications.

    • Engine power - 1200 W.
    • The dimensions of the grip of the surface by the tape are 100x156 mm.
    • The size of the sanding belt is 100x610 mm.
    • Belt speed (idle) - 200-400 m / min.

    The advantages of this model are the ability to adjust the speed of the sanding belt and quickly change the sanding belt. The set includes: a bag for collecting sawdust, a cord with a length of at least 4 m, a device for sharpening a tool.

    Among the shortcomings, one can single out the large weight of the unit (5.4 kg), the lack of a soft start function and protection against overheating and jamming.

    Vibratory or surface grinders are the intermediate link between belt and eccentric models.

    Their main advantages are:

    • the possibility of polishing corner joints;
    • moderate cost;
    • cleanliness surface treatment of large areas (floors, ceilings, walls).

    The working surface of the surface grinder is a plate, which reciprocates with a low frequency. For this, the engine in such models is installed vertically, due to which the eccentric-counterweight ligament converts the rotational movement of the shaft into translational movement.

    An excellent choice would be model PShM-115 / 300E... It has all the benefits of vibratory grinders. It has a powerful motor that provides a long operating time at low speeds for high-precision surface treatment, a built-in dust extraction system and the ability to connect a special vacuum cleaner. Two of the most important indicators of the PSHM are the amplitude and frequency of the sole stroke. The first characteristic is rather small and usually does not exceed 1-3 mm in each direction, but the size of the second determines the range of processing of various types of materials with different surface cleanliness.

    Specifications.

    • Engine power: - 300 W.
    • The size of the sanding sheet is 115x280 mm.
    • the number of platform vibrations per minute - 5500-10500.
    • The diameter of the oscillating circuit is 2.4 mm.

    The advantages of this model are engine speed control, improved and ergonomic design, durable platform material, simple and reliable sanding belt clamps, low weight (2.3 kg).

    Eccentric (orbital) grinders are presented by Interskol as models EShM-125 / 270EIt is used for filigree grinding or polishing, inferior in its power to vibration machines, but not in popularity and efficiency. This type of machine is designed for high-quality processing, it is used mainly by carpenters or car painters in working with profile, curved or bulky materials, as well as with flat surfaces. Due to the presence of an eccentric and a counterweight, the orbital sander performs not only circular movements around its axis, but also along the "orbit" with a small amplitude. Therefore, the abrasive elements move along a new trajectory every cycle.

    Such a complex way of moving the working surface allows you to obtain such a filigree surface without any indentations, waves or scratches.

    Model EShM-125 / 270E - a bright representative of eccentric sanders with excellent characteristics that provide high-quality results.

    Specifications.

    • Engine power - 270 W.
    • Engine idling speed - 5000-12000 rpm.
    • The number of vibrations per minute is 10,000-24,000.
    • The diameter of the grinding wheel is 125 mm.
    • Weight - 1.38 kg.

    The advantages of this model include adjustment of the engine speed with its subsequent maintenance, a rubberized housing to reduce vibration transmitted to the operator, a dust-protected switch, a sawdust bag, the ability to connect a vacuum cleaner, and a low weight of the tool.

    But from the shortcomings of this model, a not too long cord (2 m) and a modest engine power are distinguished.

    Angle brush grinders (brushing) are a specialized modification of grinders. Such a tool is a novelty of the Interskol model range, it allows processing almost any surface: removing rust, old paintwork, scale, preliminary and finishing grinding of various materials, polishing, satin finishing (simultaneous grinding and polishing), as well as brushing - artificial aging wood. For grinding, special brushes with an outer diameter of 110 mm and a width of 115 mm are used.

    Specifications.

    • Engine power - 1400 W.
    • The maximum brush diameter is 110 mm.
    • The spindle speed at idle speed is 1000–4000 rpm.

    From the advantages of this model, one can single out all the possible functions and protections inherent in a professional tool, namely: soft start, adjustment of the spindle rotation speed, maintaining speed during operation, as well as protection against overload and jamming. Special adjusting rollers for adjusting the quality of surface treatment, a powerful electric motor in combination with a metal gear housing provide maximum performance, reliability and durability, the ability to connect a special vacuum cleaner to the protective casing.

    Among the shortcomings of the model, they call the high cost and so far a relatively small range of brushes.

    Selection Tips

    There are several factors to consider when choosing a grinder.

    1. The purpose of the tool is polishing, cutting or grinding. Based on this, choose the most suitable version of the grinder for you. In addition, you need to build on the amount of work required from the tool - a household version or a professional unit.
    2. Price range. Initial price segment means a tool intended for use in everyday life.It has a more modest feature set and less power. A professional tool is more expensive because of its power, performance, many additional functions, protections. Designed for permanent use.
    3. Maintainability of the tool. Some manufacturers make their products, so to speak, "disposable". Therefore, always compare models of the same type, not only in terms of technical parameters, but also ask for reviews about them, consult with professionals.

    User manual

    A detailed instruction manual is supplied with the tool, but some points should be highlighted separately.

    Disassembling the tool is strongly discouraged, especially if it is under warranty. It is better to take it to a service center, where it will be serviced by professionals. This does not apply to the replacement of brushes and other sanding or cutting blades.

    If you are using a sander to sharpen tools or grind small parts, you must use a special tabletop stand on which the sander will be mounted, or you may injure yourself. These stands are commercially available and you can also make them yourself.

    For an overview of Interskol grinders, see the next video.

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