Grinding stone with an angle grinder - coarse, fine and polishing

Grinding stone with angle grinders and flex machines is not difficult if you have the right tools and methods at hand.

Stones are used both inside and outside the house. When installing, renovating and refurbishing, they have to be sanded from time to time. In this article you will find out which angle grinder grinding disc you can use for which grinding results.

Which tools are suitable for grinding stone? The different types of angle grinders Grinding wheels for stones

• diamond grinding wheels
• diamond polishing wheels
• Diamond cup wheels

These are the best grinding wheels for stones of all kinds.

Good to know: Depending on the segment type, they are designed for rough, fine or very fine work.

1. Diamond grinding wheels for grinding stones

A diamond grinding wheel is ideal for finishing or preparing any stone surface. They are available in various fine and coarse grits for almost any desired stone grinding pattern for the angle grinder.

2. Polish the stone with the angle grinder and diamond polishing discs

High-quality rocks such as marble, granite and natural stone are prepared with diamond polishing discs for stones during installation or renovation. The angle grinder can also be used here to grind and polish stones as a cheap alternative to the polishing machine.

3. Roughly grind the stone with the angle grinder and a diamond cup wheel

The diamond cup wheel is your partner of choice for arts and crafts or stone processing in the garden and outdoors. This means that any stone can be ground down efficiently and cost-effectively with the angle grinder.

Especially recommended for:

• grinding stone edges
• Grind stone and clean surface

Grinding stone with the angle grinder - simple instructions

Here's a simple guide to getting your stone back into shape with the angle grinder and flex machines:

1. Mounting the stone grinding wheel on the angle grinder: Make sure that the grinding wheel is firmly and securely in place.

2. Sand the surface in a circular motion: Move the angle grinder in even circles over the surface to be sanded. Make sure you work the surface evenly.

3. Always use as much pressure as possible: don't press down too hard on the angle grinder, as this can lead to uneven results. Let the grinding wheel do its job.

4. Repeat the process until the desired result is achieved: grind the stone until the desired surface is achieved.

More advice on grinding stone with the angle grinder

• grinding granite
• Grinding and polishing marble
• grinding concrete stone
• grinding sand-lime brick

Grinding stones with the angle grinder - grinding discs in direct comparison

grinding wheel Art	Advantages	Disadvantages
diamond grinding wheels	Ideal for refining and preparing any stone surface. Available in various fine and coarse grits. Durable and offer a high removal rate.	May produce uneven results if used improperly. Relatively expensive compared to other grinding wheels.
diamond polishing wheels	High-quality rocks such as marble, granite and natural stone can be polished. Produce a shiny and smooth surface finish. Also suitable for grinding stones.	Requires experience to achieve an even polishing result. Possibly more expensive than other polishing pad materials.
Diamond cup wheels	Efficient grinding of stones in handicrafts and in the garden and outdoors. Recommended for stone edge grinding and surface cleaning. Also suitable for rough grinding work.	Can produce uneven results if pressed too hard. Not suitable for fine work.

Our Opinion - The angle grinder is a quick and inexpensive way to cut and beautify stone

With the right tool, working on stone surfaces is no problem. It's usually not particularly difficult. However, we recommend that you read through detailed guides for particularly high-quality stone, especially when it comes to grinding marble, granite or natural stone.

FAQs - Frequently asked questions about grinding and polishing stones with the angle grinder

How often should I change the stone grinding wheel ?

It depends on the frequency and intensity of use. As a rule, however, you should replace the grinding wheel when it is very worn and is no longer performing well.

Can I also use an angle grinder for other materials?

Yes, angle grinders are versatile tools and can also be used on other materials such as metal or wood. However, make sure to use the right grinding wheel.

What safety precautions should I take when grinding?

• safety goggles
• ear protection
• working gloves

to protect you from flying particles and noise. Also make sure that the angle grinder is working properly and that the grinding wheel is mounted correctly.

Can I use my angle grinder for polishing?

Yes, you can use the angle grinder with a buffing wheel to polish surfaces. Be sure to choose the correct buffing wheel for the stone.

What type of angle grinder is best for home use?

 

For home use, an angle grinder with a power of around 800-1200 watts is recommended. This is strong enough to handle most sanding jobs without being too heavy or unwieldy.