How to choose a grinder: advice from a professional. Choosing a wood sander - tips The best wood sander

We will send the material to you by e-mail

IN A wood sander is a must-have in a home craftsman's arsenal. It is difficult to do without this convenient tool when doing repair work in a house or apartment. It takes a lot of time and effort to sand and polish wooden floors, walls or furniture. A grinder will not only make the task much easier, but will also help you get the job done much better. What types of machines are there, what purposes are they intended for, and how to choose the best tool?

The sander will help you process any wooden surface for painting or varnishing.

Grinding equipment is divided into several subtypes. They differ in their operating principle and design features.

Types of grinders:

• tape - rough processing of wooden planes;
• vibration – used for soft processing;
• eccentric – designed for polishing;
• delta sander - has a specific, triangular shape of the sole.

Belt sander for wood

Such sanders are considered one of the most powerful tools. They help to process large surfaces without much effort.

The surface treated with this tool becomes smooth and even. The tape on the machine is fixed on two rotating rollers. The rotation speed of the tape depends on the power of the machine and can vary from seventy-five to five hundred revolutions per minute. The tool has the ability to adjust the speed.

The functionality of the device depends on the width and length of the tape. The craftsman needs to have abrasive material of different grain sizes on hand in order to use tools for roughing and finishing the surface.

Helpful advice! When choosing a tape for a tool, you need to make sure that it is elastic, does not have uneven edges and has strong, perfect joints.

The set of sanders of this type includes a dust bag. It is attached to the shaft and collects sawdust and wood dust.

Working with a ribbon machine requires some skill. Before you start working on an important part, it is worth practicing on test surfaces. A novice craftsman should pay attention to models that have a frame for controlling the depth of processing.

Vibration sander

This device will be needed for finishing and polishing the material. This device processes not only wood, but also metal, stone and plastic. The basic principle of operation of the machine is forward-return movements at high speed and with low amplitude.

Helpful information! The greater the amplitude, the deeper the grinding; the smaller, the better quality it is.

The oscillating wood sander has a standard rectangular base. Some models have removable work surfaces in the shape of a triangle; they are convenient for processing corner elements.

To attach the abrasive material to the tool, two types of fastening are used:

• clamps are a reliable option for fastening any size;
• Velcro - allows you to quickly and easily change the abrasive.

Vibrating machines, like belt machines, have adjustable speeds and a dust collector. It is believed that a plastic bag, unlike a fabric bag, is more effective. The main advantage of vibrating machines is that they help to efficiently process small parts and objects of complex shape (frames, railings, doors).

Eccentric and delta machines

An eccentric wood sander has a round sole that is attached with Velcro. They operate with such a device by rotating around an axis or in orbit. That is why this tool is sometimes called an orbital sander in retail outlets.

The principle of operation of the device is the simultaneous performance of rotational and reciprocating movements. Such machines do an excellent job with curved surfaces and perform grinding and high-quality polishing of any material. Differences in different models of eccentric tools in power and possible amplitude of work. A delta machine is a highly specialized device. It is designed to work in difficult-to-reach areas and on corner surfaces. As with all other grinding devices, the quality of the device depends on its operating power.

Helpful information! It is better for a novice master to purchase a device with an audible pressure indicator. This will prevent damage to the material.

The best manufacturers and models of grinders

It often happens that a wood sander, the price of which seems quite reasonable, actually has the same functions and settings as a cheaper device. How to make a choice in this situation?

It is better to purchase tools from manufacturers that are known to a wide mass of consumers and have proven the reliability of their products. Most popular brands:

• Makita;
• Bosh;
• DeWalt;
• Interskol;
• Hitachi;
• Bison

The tools from these companies are known for their performance and durability. All these advantages are combined with an acceptable price tag. Makita offers the largest range of belt sanders. The devices feature excellent engine sealing.

Hitachi– a company with more than half a century of experience. Its premium tools are an excellent choice not only for the home handyman, but also for the professional.

Bosch also offers a large selection of grinding tools; experts recommend paying special attention to eccentric machines.

Domestic Zubr and Interskol are famous for their reliability and ease of maintenance.

Comparative characteristics of the most popular models of grinding machines will help you make the right choice.

Related article:

Comparison of models of belt-type sanders

Comparison of vibratory grinder models

Comparison of eccentric machine models

Let's start with the classification - each variety has its own pros and cons, its own specialization. If you need to process large surfaces at high speed, and at the same time do not have the opportunity to sharpen the same drill or chisel, choose belt sander, which, if desired, can also be used as a sharpening machine. But keep in mind that not all models have the option of fastening on the side or top with a ribbon! In addition, high productivity, ensured by a belt running quickly in a circle, will also require “direct handling” - by pushing or holding the machine in place, it is easy to “dig” an unevenness in an almost ideal plane. Another couple of disadvantages are the complexity of the design, the presence of a belt drive and the need to buy ready-made belts of the required size.

Vibrating machines have a rectangular or “iron-shaped” (for working in corners) sole, quickly oscillating back and forth with a certain amplitude. Such machines are simple in design (you can buy an amateur one inexpensively without much risk to reliability) and have good performance. For them, you can easily cut sandpaper from a sheet yourself, especially if the manufacturer has included in the kit a device for perforating holes in sheets. Even a beginner will master such a machine quickly. But, if you don’t plan to work with wood, it’s better to look away eccentric (orbital) machines- they are, of course, more complicated, and you will have to buy wheels with Velcro, but it is easier to ensure the cleanliness of the surface with an “orbit” (the wheel does not “slide” back and forth, but also rotates during grinding), and it is more convenient to work along curves. It’s not for nothing that you’ll see these types of cars in any auto body shop: here you have to constantly bring curved surfaces to “zero.” But for wood that needs to be sanded along the grain, an eccentric machine is not suitable precisely because of the principle of operation; in the hands of carpenters, only vibrating “surface sanders” are used.

In addition to the power, convenience and level of vibration that you need to pay attention to when choosing any power tool, be sure to make sure that the main components of the machine have good dust protection and especially the efficiency of dust removal: it is not always possible to connect a vacuum cleaner, and it is simply dangerous to use some models of sanders without a respirator, so They throw a lot of dust into the air in the work area.

This article is intended for anyone who works with wood and wants to make sanding easier. Sanding wood is a labor-intensive process that can be made much easier with the right tools. Belt, oscillating or eccentric, as well as deltoid sanders are suitable for processing wood. There are several types of tools on the market for finishing wood: belt sanders, eccentric sanders, orbital sanders.

How to choose a wood sander, which is better, belt or vibrating, which type of device is best suited for specific purposes? Before finding the answer to these questions, we should understand how different models differ and compare their functions with our needs.

Types of wood sanders

The correct choice of appliance for your home or dacha depends on the type of work being performed and the features of the workpiece:

• form;
• size;
• grinding corners and hard-to-reach areas;
• type of coverage.

Different tools are suitable for specific jobs:

• a belt sander is chosen for sanding large, flat surfaces;
• An eccentric sander allows you to conveniently process convex and concave small wooden surfaces;
• the oscillatory (vibrating) model has a similar application, with the ability to handle corners thanks to the rectangular sole;
• The delta-shaped wood sander is ideal for processing surfaces with complex shapes that are inaccessible to most sanders; a small sole area is recommended for small wooden surfaces.

Tape

Model description

If the surface is large and relatively flat, it is better to choose a belt sander. It is designed to process:

Belt sanders are characterized by the highest efficiency; they are used in workshops, rarely for home work.

Thanks to their high productivity, belt sanders can cover large areas in a short period of time with excellent results. The treated surface is smooth and uniform. Since belt sanders are primarily used for linear motion, they are ideal for sanding along the grain of wood.

The disadvantage of belt sanders is that the base design does not allow access to hard-to-reach corners. The edge of the belt is not also the edge of the sanding pad, so surfaces, for example near a wall, are inaccessible to the belt sander. In this case, you will need a deltoid model.

Video – Bosch PBS 75A ribbon machine

Which tape model to choose?

To choose the right belt sander, you should pay attention to the following parameters:

• Speed ​​of movement of the working part– the higher the speed, the faster and more accurately the surface is polished. Depending on the model, the speed can vary from 200 to 420 rpm.
• Tape size affects the speed and accuracy of grinding. The larger the size, the faster the grinding occurs, but the accuracy decreases.
• Power– the higher the power, the better the tool processes a hard, complex surface (hard deciduous wood - oak). Thanks to its high power, the tool can work longer without overheating.

Power selection

• Draw machines with motor power up to 1000 W are designed for light work,
• Models with a motor power of more than 1400 W work well under short-term but heavy loads.

Model overview

Eccentric or orbital

Purpose of the tool

An eccentric machine is a universal tool designed for grinding convex, concave small wooden surfaces and other materials.

The model is used for:

• wood sanding;
• grinding metal surfaces;
• polishing, thanks to the possibility of installing a polishing disc;
• cleaning old paintwork.

Disadvantage of the model: the round shape of the sole does not allow processing of corners.

The working surface is smaller than that of oscillating machines. The diameter of the working part is usually 125 or 150 mm. The larger the working surface, the higher the productivity.

A small work surface has pros and cons:

• advantage - it is easier to work with in hard-to-reach places,
• cons – less performance on large surfaces.

Tool parameters:

• Eccentricity– has a significant impact on the performance of the tool, means deviations of the movement of the sole from the turning point. The higher the value, the more accurate the tool is.
• Disc diameter– large diameters allow you to quickly process large surfaces, small diameters are suitable for working in hard-to-reach places.
• Number of revolutions per unit time– the higher the number of revolutions, the more accurately the tool works (as in an oscillating machine).

Model overview

Oscillatory (vibration)

Main characteristics

An oscillating sander is used for sanding flat, even surfaces, ideal for processing wooden objects:

• furniture,
• countertops,
• doors.

Unlike the eccentric model, oscillating sanders are equipped with a rectangular base that allows you to sand corners. Larger models are more powerful, their soles have a rectangular or square shape.

Options

• Outsole size– the more, the faster the surface is processed. When working with small surfaces, it is better to choose a sander with a smaller sole, this will allow you to more accurately process hard-to-reach areas.
• Number of vibrations– the higher, the better the tool works. Usually expressed as the number of vibrations per minute.

Model overview

Deltoid sanders

Model description

The main difference between delta-shaped sanders and oscillating sanders is the sole. Its shape resembles the letter delta (hence the name of the instrument). The model is ideal for grinding in corners and other places that are difficult to reach with oscillating, eccentric and especially belt sanders.

Due to the small size of the pad, they are designed for sanding small surfaces. For the deltoid model, you can purchase a spatula-shaped soleplate, suitable for cleaning old paints and varnishes, especially from chairs.

What to look for?

When choosing a deltoid model, you should analyze the amplitude of the oscillations (oscillation) - indicated in millimeters, it is 1-2 mm. The higher the value, the more the sole deflects, and the tool works more efficiently.

Model overview

Let's sum it up

When choosing which grinder is best, you need to analyze your own needs and compare them with the functions of the grinders. Different models are suitable for different jobs.

1. Draw machine extremely effective, quickly treats large surfaces. For example, it can quickly remove a thick layer of paint from wooden surfaces. The design is characterized by a high rated power. The machine is extremely easy to use and safe.
2. Random orbital sander– used for grinding flat, rounded surfaces. Has the highest accuracy. However, the sole does not reach hard-to-reach places and corners. The manual machine is equipped with a round disk that works in an oscillating and rotating motion at the same time, depending on the pressure. Easy to use, but requires a little more attention than oscillating. The instrument is held with both hands. Thanks to the combination of two movements of the plate, the model is efficient, fast, productive, and when used skillfully, does not leave visible grinding marks.
3. Oscillating sander used for large flat surfaces, perfectly smoothes the surface, the work depends on the thickness of the sandpaper. The optimal choice for beginners, easy to use, safe, does not require special attention.
4. Deltoid machine– small triangular sole makes it easier to work on surfaces that are inaccessible to large grinding machines. The small area of ​​the sole makes the model ineffective for processing large surfaces.

The online store Kuvalda.ru offers belt sanders for wood that meet the requirements and quality standards. With us you can pay for goods by bank transfer or in cash, as well as by card. The catalog of belt sanders for wood is constantly expanding and supplemented with the latest models. Our online store offers convenient and fast delivery throughout Moscow and the Moscow region. To quickly search for products, use the search function by categories, sections and subsections, as well as in the search bar by search word or number. Experienced managers will help you navigate the presented products and tell you technical details and delivery conditions. Thanks to our wide range of belt sanders for wood, you will find everything you need. We are happy to answer your questions about our prices and range. We welcome your suggestions and wishes to improve our service.