An angle grinder is a versatile tool that can be used for a variety of tasks such as cutting, grinding, sanding, polishing, and more. It consists of several parts that work together to make the tool functional. In this article, we will discuss the different parts of an angle grinder and their functions.
Motor
The motor is the heart of the angle grinder. It is responsible for generating the power needed to spin the disc or wheel. The motor is usually located at the rear of the tool and can be either electric or pneumatic. Electric motors are the most common and use a power cord to connect to the mains, while pneumatic motors use compressed air to power the tool.
Gearbox
The gearbox is located between the motor and the disc or wheel. Its main function is to transfer the power from the motor to the disc or wheel. The gearbox also contains the gears that control the speed of the disc or wheel. The speed of an angle grinder is usually adjustable, and the gearbox allows for this to be done smoothly and efficiently.
Spindle Lock
The spindle lock is a mechanism that allows you to change the disc or wheel on the angle grinder easily. It locks the spindle in place, which prevents it from rotating while you loosen or tighten the nut that holds the disc or wheel in place. This makes it much easier to change the disc or wheel, as you don't have to hold it in place while you tighten the nut.
Disc or Wheel
The disc or wheel is the part of the angle grinder that comes into contact with the material you are working on. There are many different types of discs and wheels available, each designed for a specific task. For example, there are cutting discs, grinding discs, sanding discs, polishing discs, and more. The type of disc or wheel you use will depend on the task you are performing.
Guard
The guard is a safety feature that protects you from the disc or wheel. It is a metal or plastic cover that sits around the disc or wheel and prevents debris from flying off the tool. The guard also helps to prevent accidental contact with the disc or wheel, which can be very dangerous.
Handle
The handle is the part of the angle grinder that you hold onto while using the tool. It provides a comfortable grip and allows you to control the tool with ease. Some angle grinders have multiple handles, which can be adjusted to suit your needs.
On/Off Switch
The on/off switch is located on the body of the angle grinder and is used to turn the tool on and off. It is usually a simple switch that can be easily operated with your thumb or finger. Some angle grinders also have a safety switch, which prevents the tool from accidentally turning on.
Variable Speed Dial
The variable speed dial allows you to adjust the speed of the disc or wheel. This is important as different tasks require different speeds. For example, cutting through a thick piece of metal requires a slower speed than sanding or polishing.
Carbon Brushes
The carbon brushes are located inside the motor and are responsible for conducting electricity from the power source to the motor. Over time, these brushes can wear out and need to be replaced. It's important to check the carbon brushes regularly and replace them when necessary to ensure the angle grinder continues to function properly.
Cord
The cord is the power cable that connects the angle grinder to the mains. It is important to use a high-quality cord that is rated for the power of the angle grinder. Using a low-quality cord can cause the tool to malfunction or even be dangerous.
Conclusion
An angle grinder is a useful tool that can be used for a variety of tasks. Understanding the different parts of an angle grinder and their functions can help you to use the tool safely and effectively. By taking proper care of your angle grinder and using it correctly, you can ensure that it lasts for many years and provides you with reliable performance.