Angle Grinders Complete Guide

Angle Grinders Complete Guide

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A complete angle grinder buying guide

If you ask any tool seller about an angle grinder, the first thing that comes to mind is a hand holding angle grinder. This tool is a multifunctional tool used for cutting, shaping and sanding. If you are dealing with wood or stone, an angle grinder greatly simplifies the task; it is also an essential tool for those who work with metal. First of all, you need to be able to recognize these three various tools: angle grinders, straight grinders and die grinders.

1. Angle grinder

This corded or power tool, known as the 90-degree angle grinder, is where the disc(plate) is at a 90-degree angle attached to the body.

Angle Grinders makita

https://www.tenaquip.com/product/makita-angle-grinders-ga7060-tly386

2. Straight grinder

The straight grinder has a vertical wheel and is suitable for grinding the outer edge and inner parts. The straight grinder makes this machine suitable for use in various projects and is very ideal and efficient for jobs where it is difficult to use a 90-degree angle grinder.

Related Article: History of Power Tools Series |The history of angle grinders

3. Die grinder

The work of die grinders is very similar to straight grinders, with the difference that in this tool, instead of a disk, a collet with the same function as a drill is placed. The collet used for grinding in die grinder is very small and very suitable for abrasion and smoothing hard metal edges.

Die grinder

https://www.banggood.com/600W-220V-Electric-Straight-Die-Grinder-Handheld-Variable-Speed-Grinding-Rotary-Tools-p-1534414.html

Now let’s get down to angle grinders.

Angle grinders

An angle grinder is designed for abrasion, but it is a versatile tool, and due to its great popularity, manufacturers have tried to modify it and design it for more applications. Grinding is the main reason for buying an angle grinder. The angle of the wheel of this tool allows you to eliminate sharp corners, welds on metals and create a smooth appearance. One of the common applications of this tool is sanding and surface preparation before start working with it. Old sand or rough spots can be easily removed with a sanding pad. Sanding pads are cheaper than grating blades, so before grating the wood surface, it must be first sanded.

Cutting is one of the things that can be done easily using an angle grinder. By installing various accessories; these tools can cut stone, tile, concrete, metal or even softer materials such as plastic, wood and PVC. By installing the polishing collet, you can use it to polish different surfaces. You can also clean the rust on metal surfaces by installing the wire-like cleaners on the angle grinder and create a shiny appearance for the job. It also uses sharpening blades to quickly sharpen a variety of blades.

Various kinds of angle grinders

electric angle grinders

An electric angle grinder is a power tool that connects to a power outlet with a wire. The strength of this tool is that you can use it as much as you want and you do not have to worry about running out of battery. The power angle grinder is usually cheaper and lighter than cordless ones. An important point to consider when working with an electric angle grinder is the access to the power supply. On the other hand, when working with the angle grinder, you should be careful about its power cord so that it does not get damaged.

Cordless angle grinder

The cordless angle grinder draws its power from the battery and is very useful when you do not have access to electricity or need to stand on a ladder or scaffolding. Coal-free electric motors and lithium batteries provide the required charge for a long time. Like all other rechargeable tools, fast charging technology reduces the time it takes to charge a battery. Unlike most users, fast charging does not damage the battery, but rather prolongs its life, as the battery stays charged for less time. The heat is faster on a fast charge, but the battery still takes less time to heat. As a result, its lifespan increases. The minimum time required to charge a 6 amp-hour battery is half an hour. Wireless angle grinder weighs at least 900 grams more than a die grinder.

Pneumatic angle grinder

The idea of ​​a pneumatic angle grinder is derived from an electric angle grinder, with the difference that this tool requires an air compressor to work. A pneumatic angle grinder is one of the lightest types of angle grinders and does not require a battery or electric motor to work. The only power source of this tool is air pressure. Although you have to pay for the air compressor of this tool, the windmill itself is cheap.

When comparing various angle grinders, just consider the following:

Grinding plate size

This number indicates the maximum diameter of the disc that can be used in the tool and therefore the depth of cut. 18 cm plates allow you to work at a greater depth and space. If you want to use an 18 cm or more grinding plate, you have to buy a straight grinder.

Power of angle grinders

The power of the angle grinder is usually measured in watts (the maximum power that it can work with). The amount of grinding input power is expressed in amperes and for rechargeable grinding is expressed in volts. The power of the windmill is measured in cubic feet per minute and is usually measured in terms of the pressure recommended for the tool in pounds per square meter.

Angle grinder speed

When comparing grinders in terms of speed, you should keep in mind that the smaller the screen, the higher the RPM. The RPM of the device is measured when the device is not under pressure and when it is rotating at its maximum speed without a plate. The speed of the forging angle grinder is more than 8500 rpm, but the speed of the stone cutting angle grinder is about 6000 rpm, but it has more power.

The best angle grinders

If you are in a hurry and do not get time comparing all the angle grinders available in the market, I am going to help you by introducing the top angle grinders on Amazon loved and reviewed by the users:

  1. DEWALT DWE402 4-1/2-Inch 11-Amp – Best Corded Angle Grinder
dewalt angle grinder
  • Hitachi G12SR4 4-1/2 Inch – Best Low-priced Angle Grinder
  • PORTER-CABLE PC60TPAG 4-1/2-Inch – Powerful Grinder Tool
  • Makita 9557PBX1 4-1/2-Inch – Best Angle Grinder for Cutting Metal
  • Bosch 1375A 4-1/2″ – Best Budget Angle Grinder

FAQ:

What is a straight grinder?

The straight grinder has a vertical wheel and is suitable for grinding the outer edge and inner parts. The straight grinder makes this machine suitable for use in various projects and is very ideal and efficient for jobs where it is difficult to use a 90-degree angle grinder.

What can we do with our angle grinder?

Grinding is the main reason for buying an angle grinder. The angle of the wheel of this tool allows you to eliminate sharp corners, welds on metals and create a smooth appearance. One of the common applications of this tool is sanding and surface preparation before start working with it. Old sand or rough spots can be easily removed with a sanding pad. Sanding pads are cheaper than grating blades, so before grating the wood surface, it must be first sanded.

How does a cordless angle grinder get its power?

The cordless  بک لینک به تاریخچه یangle grinder draws its power from the battery and is very useful when you do not have access to electricity or need to stand on a ladder or scaffolding. Coal-free electric motors and lithium batteries provide the required charge for a long time.

What is a pneumatic angle grinder?

A pneumatic angle grinder is one of the lightest types of angle grinders and does not require a battery or electric motor to work. The only power source of this tool is air pressure. Although you have to pay for the air compressor of this tool, the windmill itself is cheap.

What are three most important items that must be considered while choosing an angle grinder?

A.Grinding plate size    B. Power of angle grinders    C. angle grinder speed

How many types of angle grinders are there?

There Are three Type of Grinders:
Angle grinders
Straight grinders
Die grinders.

Related video link: https://www.youtube.com/watch?v=I0zJTE68DYk

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