Expert by FACOM Hand Tools

Impact Wrench Uses, Types & Working

Impact wrenches are one of the most powerful handheld Expert by FACOM Hand Tools. It is widely used by auto mechanics to replace and tighten tire lug nuts.

Use of impact wrench

The impact wrench is widely used in the automotive industry. The most common use they come across is to remove the lug nuts when changing car tires. This is a must-have power tool for all vehicle repair and car body stores. Other uses of impact wrenches include automobile assembly, heavy machinery assembly and maintenance, machine tool manufacturing, and large-scale construction projects.

The impact wrench has a square output shaft. They are available in a variety of sizes. The most commonly used is a ½ inch square.

How does an impact wrench work?

Imagine you want to loosen a frozen bolt or a stubborn nut with a hand wrench. If you apply normal force by hand, the nut may not come loose. But what happens when you press a key with a hammer? A sufficient number of hammer blows will loosen the rusted nuts. Simply put, this is what happens inside the impact wrench.

The pneumatic impact wrench is the most popular, so let's look at their working principles.

The power supply drives the rotor, which drives the hammer and hammer cage. If there is no resistance in the anvil (output shaft) during operation, the power from the drive motor is transmitted to the anvil. But what makes the impact tool special is the internal hammer mechanism that works when the force is not enough.

Types of impact wrench

An impact wrench can be classified according to the power supply used. Electricity and compressed air are the most widely used power sources to power impact pistols. Therefore, they use commercially available electric and cordless impact wrench with cord and pneumatic impact wrench. You can increase worker productivity by choosing the right Grip Circlip Cutting Nose and Combination Pliers for your job.

Impact wrench with cord

These are electric impact wrenches that must be plugged into an electrical outlet to power them on. An electric motor attached to the rear end of the tool drives the hammer unit and transmits the movement of the hammer unit to the output shaft.

Pros:

• Better speed and torque control
• It is easy to carry because it does not require an air compressor.

Cons:

• It is more expensive than pneumatic tools.
• It is overheating due to moving parts.

Cordless impact wrench

Battery-powered impact wrench has unique advantages over other types. It's very portable. You can put it in the trunk of your car and use it whenever you want to change tires. The cordless design allows it to be used in tight workspaces where corded pipes and air pipes can be an obstacle.

However, the rechargeable battery of a cordless impact wrench can quickly drain, especially if used continuously with stubborn nuts and bolts. Cordless impact wrench

Pros:

• Convenient to carry.
• Ability to work in tight spaces

Cons:

• More expensive option.
• Continued use will quickly drain the battery.
• Heavy compared to corded and air versions.

If you want to buy a cordless impact wrench, get one with a brushless motor. They are more efficient and generate less heat during operation.

Pneumatic impact wrench

These are compressed air actuated impact wrenches. Pneumatic Impact tools are widely used in automobile repair shops, automobile assembly lines, heavy equipment manufacturing, etc. There are some clear advantages over electric keys.

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