Grinders – Different types & How Do they Work?
Fundamentally, the grinder is an industrial and DIY electro-portable tool. It has a motor and a mechanism to rotate a spindle as well as the drill. A multitude of accessories can be attached to this part of the machine, so it can be converted and used as milling, sanding or grooving machine for wood as these tools also cut, polish and grind.
Types of Grinders
Different types of grinders are most characterized by the size, power, and diameter of the discs. These are called Grinders and Mini Grinders.
Small Grinders or Mini Grinders use 115.mm or 125.mm discs and their powers alternate between 500W, 700W, and 800W.
The large grinders have 230.mm discs, and their powers are higher, reaching 2000W and 2600W.
Applications of a Grinder
Both the Grinders and the Mini Grinders have the same function. What makes them different is the handling and work to be done with them.
Intensive work on hard surfaces or materials on large surfaces is usually done with large 230. mm disc grinders. This machine is more related in the professional field by saving time in the work done and also by the good results it provides, as an example to achieve straighter and cleaner cuts.
The most subtle works, in small surfaces or when there is not a good relation with the machine, it is preferable to use the Mini grinders such as grinding weld beads to make fine cuts in metallic profiles, or to sand and polish in small surfaces.
Accessories for Grinders
Cutting and cutting discs can be used to cut any material such as ceramics, wood, iron, etc. In using these discs, it is imperative to pay extreme attention and to maximize the safety measures since it has a risk factor.
There are also brushes in the form of metal brushes for polishing, cleaning metal surfaces. For this type of work, the safety in the machine and yourself is necessary. Also, the brush should be in the correct position so that it does not make contact with the machine when turning and can ruin and leave its axis endangering yourself.
Metal brushes in the shape of disc serve to strip the paint on metal or wood surfaces; you must be very careful when using this material especially when you want to strip a wooden surface because it can damage the surface by abruptly tearing. Try to avoid this; it is advisable not to press excessively and handle the brush at a slow speed.
Sandpaper discs are suitable for light polishing, preparation, and finishing of surfaces such as cement walls.
With the help of these accessories available to the grinder, you can turn it into a mighty machine that will allow you to polish, make precise cuts, carve wood, level cement surfaces, polish rusted metal parts, sharpen tools for gardening and carpentry, and so on.
Even the grinders and drills have a similarity in functions and accessories; it is not convenient to use drill accessories in grinders because the speeds of both are not the same and can cause damage to the machine and work done.
The quality of your work will depend a lot on your machine, the appropriate accessories you use, and that is in excellent condition.
It is preferable to have a grinder that has electronic speed control; it makes sure that the handling on different materials and surfaces is accurate and effective.
Moreover, when using a Grinder, it is vital to consider compliance with certain safety standards.