When handymen need to do so cutting, polishing, or grinding, they often turn to angle grinders. These hand held power equipment, also referred as disc or side grinders, are powered in one of the following three ways: compressed air, an electric motor, or a petrol engine.
Common angle grinders’ elements include geared heads, side handles, adjustable guards, and abrasive discs. Installed at the perfect angle, the geared head mounts a wheel or disc that polishes, cuts, grinds, or sands a range of materials.
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Types of Grinders
Although we want to look at angle grinders, there is a need to point out that there are other types of grinders on the market. They include:
- Bench-top grinders – They are often secured to a bench for better control.
- Die Grinders – They are usually designed for a single hand operation.
- Angle grinders – They are usually versatile and maneuverable.
Angle grinders and die grinders are portable, handier and smaller than bench-top grinders.
Things to Look Out For
Just like other power equipment, there are a lot of unfamiliar and jargon specs associated with angle grinders. Although these specs vary significantly, there are a couple of useful features and terms that will aid you shift via the options and pick precisely the ideal solution for you. They include:
No-load speed is the speed that the wheel rotates before you begin to make a cut. The best angle grinder should have a higher speed to ensure that it produces the best quality. While a drill will often have a no-load speed of about 700-1,200rpm, a good grinder can reach up to 12,000rmp.
Wheel, head, and disc are used interchangeably when referring to grinders. They usually come in different head sizes, but the most common ones are 4 �” (115mm) and 9” (230mm). You can buy different wheels depending on the job you want to do – just ensure they are the right one for your angle grinder.
Also known as a side handle, this important feature is often installed on the right or left of the grinder for right and left handed operators. Some angle grinders have a three position handle for additional maneuverability.
The power of an angle grinder is measured in terms of wattage (expressed as W or Watts) – the higher the wattage, the higher the power of your grinder. Grinders with larger wheels or discs will need a higher wattage.
This feature ensures that you remove and replace accessories as fast as you can.
A final thought on safety – ensure you read the manual provide with your grinder and follow every detail, from all aspect of use and operation to wearing the right safety gears. Angle grinders are great equipment, but give them a lot of respect!…