2024 Author: Beatrice Philips | [email protected]. Last modified: 2023-12-16 05:33
Grinding is a laborious and difficult stage of repair and construction work. To increase labor efficiency and improve the quality of processing of working surfaces, manufacturers have developed several types of grinding machines, which differ in their functional purpose, price range and country of manufacture.
One of the most demanded and popular devices is a brush sander, which makes it possible to clean wood and metal surfaces from various dirt and remnants of old materials.
Description
The brush hand sander is a versatile tool that makes it possible to remove old paint, varnish and traces of corrosion from various types of surfaces made of wood and metal, as well as to refine the wooden structure. This device has a high level of performance and is used in conjunction with other grinders. The mass of one device does not exceed 5 kg, the number of rotations can reach up to 3000 revolutions, and the roller diameter is 120 mm.
With the help of a brush grinder, you can make a unique building material from an ordinary board, which will have a unique structure.
To accomplish this task, manufacturers suggest using a nylon cylindrical brush. The brushing attachment makes it possible to artificially age the wood material and remove all loose layers. After processing, the work surface will not only change the structure, but also the color.
On the shelves of specialized departments of building stores, you can see two types of grinders
- Tool with a wide body, behind which the shaft with nozzles is hidden. The main feature is the presence of two knobs and a start button.
- A tool that has common features with a grinder. Distinctive features - the presence of a cylindrical brush and a handle, which is located parallel to the working shaft. The disadvantage is the lack of the ability to adjust the depth of processing.
This device consists of the following parts:
- engine;
- charger or wire to the electrical network;
- platform;
- pen;
- regulation and control system;
- working disk.
Two types of brushes are used for surface treatment:
- nylon;
- metal.
The brush is in the shape of a cylinder that moves in a circular motion at high speed. To perform non-standard types of work, experts recommend replacing brushes and special rings.
To perform brushing, cup nylon brushes with abrasive grain on polymer threads are used , which can be fixed not only to grinders, but also to a conventional drill.
For the convenience of performing the work, the designers have provided two handles, and special pipes are installed to connect the device to the vacuum cleaner.
For working with wooden structures, you can use tools of medium power, and for processing metal surfaces, only high-power devices are suitable.
The number of revolutions depends on the diameter of the brush surface.
The adjustment system allows processing products at a high level and at the same time adjusting the cleaning depth.
Changing attachments can be done using a hex wrench.
Most of the grinding machines have auxiliary parameters:
- adjustment of the number of revolutions;
- automatic speed control;
- grinding depth adjustment;
- protection against unauthorized start-up;
- the presence of a dust collector;
- the ability to quickly change deformed parts;
- additional protection of the engine from contamination.
An organizer, a set of metal, abrasive, polymer and nylon brushes, as well as a charger can be sold with the device.
Advantages and disadvantages
Among the main advantages of this device, experts note the following:
- versatility;
- ease of use;
- high speed of work execution;
- the cost of a minimum amount of physical strength;
- high quality of work;
- automatic cleaning of dust and other types of pollution;
- a wide range of models;
- wide range of applications.
Like any other device, the brush grinder has a number of disadvantages:
- the need to replace the brush, depending on the type of work and the surface to be treated;
- inability to process hard-to-reach areas;
- high price range;
- a high number of fakes.
Operating rules
The quality and speed of work performance depends on the correct choice of the required device. The choice of the required device is influenced by the following parameters:
- purpose and scope of use;
- frequency of use and scope of planned work;
- type of food;
- price range;
- availability of quality certificates;
- country of manufacture;
- ease of use and ergonomics.
When working with a grinding machine, professional craftsmen recommend following the following sequence:
- connection to a power supply;
- performing reliable holding of the tool;
- turning on the device;
- warming up and set of revolutions;
- surface treatment.
After finishing work, it is imperative to clean the device and lubricate all working parts .… For a complete collection of dust, it is necessary to regularly revise the dust collector.
To replace parts, you must choose products from one manufacturer.
The main condition for the safe performance of work is to prevent overheating of the device and the absence of a power cord in the working area.
For long-term storage of the device, use only warm rooms with good ventilation.
When working with an electrical appliance, it is imperative to use personal protective equipment and observe safety rules that will help prevent injury and damage to the tool.
It will not be superfluous to list the most common types of breakdowns of electric brush grinding tools and ways to eliminate them:
- oxidation of copper plates in carbon brushes - surface treatment with a rubber eraser;
- violation of the integrity of the winding - removing the deformed part and installing a new one;
- breakage of buttons control of the device - installation of new structural elements;
- deformation of rotor bearings and bevel gears - installation of new parts.
Beginners should definitely pay attention to the terms of warranty service when buying.
The time range for free elimination of defects is set independently by the manufacturer or seller. This service will not be provided if the defects were caused by improper operation, transportation or storage. When contacting the seller to solve the problem with the tool, it is imperative to provide him with all documents, receipts and receipts that confirm the purchase of the goods from him. The name of the service organization is indicated in the passport of the device.
To perform high-quality polishing, cleaning and grinding of various surfaces, modern manufacturers produce a huge range of grinding tools, which are widely used not only by professional builders, but also by home craftsmen. These devices significantly reduce the period of work and improve its quality.
Before shopping, you need to study all the features of this device and be sure to consult with professional builders.
When performing the planned work, all instructions must be strictly followed, not forgetting the safety rules.
Beginners should understand that a high-quality electrical device cannot have a low price.
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