The quality of the connection between metal structural elements and parts using electric arc, plasma or gas welding, provides for mandatory preparatory work:
- Removing rust.
- Descaling.
- Removing paint or primer coat.
For this purpose, the so-called grinding wheel for metal is used quite widely and very effectively, the main component of which is a composite made of especially solid base, evenly filled over the entire plane of its surface (has the shape of a disk) with crushed cutting fractions:
- Natural minerals with different hardness.
- Sandstone or artificial abrasive materials.
Grinding wheels for metal can be used both on stationary equipment (grinding machines or machines) and installed in hand tools (for example, a grinder).
Dimensional parameters and classification
The wiping disc has a user-friendly designation that is applied to the packaging and directly to the product itself. We present the main parameters for classification:
- Dimensions of the disc itself - inner (landing) diameter, outer diameter and thickness (indicated in mm).
- The permissible rotational speed during operation is indicated by a colored stripe - red, up to 80 m /s, green up to 100 m /s.
Also, information on the type of abrasive used in it, the viscosity of the base structure and hardness is applied to the grinding wheel. You can clarify this information when choosing the required product using a technologist's guide or a flow chart of a specific metal processing operation. For private use, it is best to use the services of a consultant. On the website of the supplier of this type of product veles-maks.by (Minsk), there is a feedback option with a manager who will help you make the right choice and purchase the optimal suitable disc for cleaning metal surfaces, depending on the grade of steel, as well as the structure of the processed (cleaned) material.
