An angle grinder is a handheld power tool that can be used for cutting, grinding, polishing, cleaning, and more. Its versatility comes from its design.
The most prominent part of the angle grinder is the circular blade. Also called the disc or grinding wheel, it rotates at a high speed and allows you to perform a variety of functions.
Its size determines how fine the application will be. Larger blades enable you to cut and grind material roughly, whereas smaller blades allow you to achieve fine and precise cuts.
The heart of the tool is its motor that powers this spinning disc. It usually operates at a fixed speed ranging from 8,000 to 11,000 revolutions per minute (RPM). However, most modern models have a variable speed setting.
Other components of an angle grinder include:
- Spindle: The part connected to the motor that holds and rotates the disc.
- Guard: A protective cover around the disc to shield the user from debris and sparks.
- Handle: Provides grip and control, with most angle grinders offering a secondary side handle for better stability.
- Trigger/Switch: Used to start and stop the tool, often with a safety lock mechanism.
- Spindle Lock: A feature that holds the spindle in place, making it easier to change discs.
Please note angle grinder has other names too. People may use angle grinder synonyms (disc grinder or side grinder tool) in different parts of the world.
Types of Angle Grinders
There are two main types of angle grinders – electric and pneumatic.
While an electric angle grinder operates on electricity, the pneumatic one uses compressed air. Electric grinders are generally preferred because they are less expensive and easy to use.
They can be installed anywhere and powered by the most common sources in the building. But, under this type, you will find two more sub-types:
Corded angle grinder
These angle grinders have a cord that needs to be plugged into an outlet for functionality. It supplies a constant supply of power, which makes it more reliable and stable. However, the length of the cord can limit the work area.
Cordless angle grinder
The cordless angle grinder operates on rechargeable batteries. It offers great portability and convenience. One can take it anywhere to work on their projects. But, a battery-operated angle grinder has a limited battery life.
When choosing an angle power grinder, it’s important to consider the specific needs of your target customers. Are they homeowners and DIY enthusiasts? If yes, they would love a cordless version. Comparatively, professional construction and metal workers would go for a corded.
7 Different Uses of an Angle Grinder
As the name suggests, an angle grinder’s primary purpose is to grind metal. This may include weld lumps, sharp corners, and other surfaces. However, you can also use it for the following tasks:
Rust Removal
Rust can really take a toll on metal surfaces. But if you have an angle grinder with a wire brush or flap disc, getting rid of it is much easier. Simply attach the wire brush, and you’re ready to scrub away rust in no time.
The spinning bristles do a great job of reaching into all those tricky spots. They clear out even the most stubborn rust and restore the metal underneath.
Cutting Metal
You can install a metal cut-off wheel and use the angle grinder to easily slice through different metals like steel and copper. This is particularly useful for construction or renovation work.
The angle grinder helps you cut pipes, rods, metal sheets, and more. But remember that if you’re dealing with thicker metal, you might need to make a few passes or use a more powerful grinder to get smooth, precise cuts.
Sanding
An angle grinder isn’t just for cutting – it’s great for sanding, too. You can use it to smooth out rough surfaces or prep metal for welding.
You can also use it to remove old coatings or get metal surfaces ready for a fresh layer of paint or finish. Thanks to the grinder’s high speed, sanding gets done quickly and efficiently.
Just make sure you pick the right grit and sanding disc for the material you’re working with to get the best results.
Sharpening Tools
Keeping your tools sharp is key to making sure they work well and stay safe to use. With an angle grinder, you can easily restore the edge on tools like chisels, lawnmower blades, and drill bits.
But to get the best results, use a grinding wheel made specifically for sharpening. Also, keep a steady angle while working to maintain a sharp edge.
Cutting Tiles
You can also use an angle grinder for making precise cuts in tiles. There comes a special diamond blade (also called tile-cutting wheel) to help you make straight or curved cuts on different tiles. From ceramic to porcelain, it works on all!
This makes it perfect for tiling projects in places like kitchens and bathrooms. Just be sure to mark your cuts clearly and take your time to get accurate results.
Removing Mortar for Repointing
You can use an angle grinder with mortar raking or tuckpointing blade to do this job. It helps you remove the old mortar without harming the surrounding masonry. Just be careful not to over-grind, so the new mortar can properly bond to the surface.
Cutting Concrete
Concrete is a tough material, but an angle grinder with a diamond blade can handle the job. It can cut through concrete slabs, curbs, or blocks.
This use is particularly valuable for projects where precise cuts are required. To achieve the best results, mark your cutting line clearly and use a steady hand. For larger cuts or thicker concrete, you might need to make several passes or use a more powerful grinder.
How to Use an Angle Grinder Safely?
Using an angle grinder is pretty easy but you need to follow a few essential steps for safe and effective operation. These include:
Step 1: Choose the Right Disc
First of all, you must select a disc that is appropriate for the task at hand. It doesn’t matter whether you’re cutting, grinding, or polishin. Each job will require a specific disc.
So, make sure to always check the label on the disc. It should be designed for your intended use. Otherwise, the angle grinder can produce poor results.
Step 2: Secure the Material in Place
Now, you must secure the material in its place to prevent it from shifting here and there. You can use clamps or any other item to hold the material firmly. Don’t ignore this step because working on an unsecured material can cause accidents and uneven results.
Step 3: Attach and Secure the Disc
With your material ready, it’s time to attach the disc to the angle grinder. Carefully place the disc onto the grinder’s spindle and tighten it.
Step 4: Protection
Now, adjust the grinder’s guard so it shields you from sparks, dust, and debris. The guard should be positioned between you and the material you’re working on.
Also, angle grinder can be dangerous. So, you should always wear protective gear like safety goggles, hand gloves, and a dust mask. This will protect you from flying debris, sparks, and harmful dust particles.
Step 5: Power Up the Grinder
Once ready, switch the grinder on and let it reach full speed. Remember that starting too soon can cause the grinder to jerk unexpectedly.
Step 6: Apply Steady Pressure
As you work, use steady and even pressure while moving the grinder across the surface. There’s no need to push hard because the grinder’s speed and disc will handle the job.
Step 7: Turn Off the Grinder Safely
When done, turn off the grinder and wait for the disc to fully stop before setting it down. Never place it down while the disc is still spinning, as this could cause damage. Clean up the debris and dust left on the workspace.
How to Change Angle Grinder Blade?
Now that we know how to use an angle grinder, let’s also talk about another important process – changing its blade!
This is pretty straightforward and you will be done in no time. Just make sure to take a few safety steps first, like unplugging the grinder or removing the battery if it’s cordless.
Once it’s safe, place the grinder on a stable, flat surface. Press the spindle lock button to keep the blade from moving, which makes swapping it out easier.
Use a wrench to loosen the nut. After it’s loose, remove the blade and inspect for any damage. Now, install the new blade and make sure everything is secure and properly fitted.
Release the spindle lock, plug the grinder back in or reinstall the battery. Give it a quick test run to ensure everything’s working smoothly and you’re all done!
Tips to Maintain an Angle Grinder!
Angle grinders are tough tools designed to last. But if you use one regularly, you’ll want to keep it running smoothly. Here are simple tips to help:
- Clean off dust and debris after every use to prevent buildup, which can lead to overheating.
- Inspect the blades often and replace any that are cracked or worn out.
- Lubricate the moving parts to reduce friction, wear, and heat.
- For corded models, check the power cord for any damage and replace frayed or exposed wires right away to avoid electrical issues.
FAQs
What are Angle Grinders Best For?
Angle grinders are great tools for cutting, grinding, and polishing metal, concrete, and stone. They’re incredibly versatile and can tackle all kinds of jobs.
How to Sharpen Mower Blades with Angle Grinder?
First, clamp the blade securely in a vice, then use a grinding wheel to sharpen it at the angle recommended by the manufacturer. To get an even edge, make sure to move the grinder steadily along the blade.
Can You Sand with an Angle Grinder?
Yes, you can use an angle grinder for sanding by attaching a flap disc or sanding pad. This makes it easy to smooth surfaces, strip paint, or prep materials for finishing.
Before You Go!
All in all, an angle grinder is a powerful addition to anyone’s toolkit. Boht professionals and hobbyists can use this tool to cut, refine, and sharpen a variety of materials. However, without proper care, its performance can deteriorate.
So, to ensure long-lasting performance, it’s important to maintain your angle grinder and follow safe usage practices. Recommending these tips to your customers can help them get the most out of their tools.
For those seeking reliable, high-performance options, Maxxt Wholesale provides a range of durable angle grinders.
Our tools are trusted by professionals across industries. So, if you’re a dealer or brand owner who wants to offer the best to their customers, join our partnership today. Let’s grow together by providing top-notch products to your market!
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