Air compressors are versatile tools that have found their way into numerous industries and everyday uses. From construction sites to hobbyists' workshops, air compressors offer a wide range of functionalities and benefits.
Before air compressors, many tools were powered by complicated mechanical systems using belts, wheels, and other bulky parts. These machines were massive, heavy, and expensive to run, so the invention of air compressors was welcomed by many industries.
Fortunately, that’s where air compressors come in. In this blog, we delve into:What is an air compressor?
An air compressor works by compressing and pressurising atmospheric air, which is then stored in a tank or reservoir for future use. When the ambient air is compressed to a higher pressure, it is then released through a hose or pipe for various applications.
Air compressors come in different sizes and types, ranging from small portable units to large industrial-grade systems. They are incredibly versatile tools and can be used across numerous industries and everyday tasks.
Air compressors are often used to power pneumatic tools such as impact wrenches and nail guns, providing high torque and precise control. Additionally, they can be used for tasks like inflating tyres, operating machinery, cleaning, and even scuba diving.
The pressure and volume of compressed air generated by an air compressor depends on the horsepower of the motor, the size of the compressor pump, and the storage tank capacity. Proper maintenance is essential to ensuring the longevity and optimal performance of an air compressor.
Types of air compressors
There are several different types of air compressors that suit certain applications and environments.
Fixed-speed compressors
A fixed-speed air compressor operates at the same speed consistently. They always draw the same amount of power, regardless of the current air demand. This makes them far less efficient and more expensive to run.
Variable-speed compressors
As the name suggests, variable-speed compressors can operate at different speeds depending on the air demand. They only run at the speed and voltage required to give you the precise amount of compressed air you currently need for the task at hand.
Compared to fixed-speed air compressors, variable-speed compressors are a much more efficient and cost-effective option for applications that do not require a consistent flow of air.
Scroll compressors
Inside the outer shell of a scroll compressor, there are two spiral-shaped scroll elements coupled together. One of these elements is fixed while the other orbits inside it, powered by a motor.
Oil-free compressors
Various types of compressors can be oil-free, provided no oil is ever used in the compression chamber. While other compressors use oil to cool and seal the air, the parts in oil-free compressors are generally pre-coated to reduce friction. This makes them the most suitable option for applications where air purity is a top priority.
Common air compressor applications
Common air compressor applications include, but are not limited to:
- Pneumatic tools
- Inflation and air pressure
- Painting
- Cleaning
- Manufacturing and packaging
- Pharmaceuticals
- Food production
Pneumatic tools and machinery
From construction and carpentry to automotive repairs and home improvements, one of the main uses of air compressors is to power pneumatic tools. For example, it is often used to power impact wrenches, nail guns, paint sprayers, and sanders. These tools are favoured for their high torque output, lightweight design, and durability.
Inflation and air pressure
An air compressor is a handy tool for inflating tyres or sports equipment. An air compressor can quickly and accurately inflate to the desired pressure, ensuring optimal performance and playability.
Painting
A professional-quality paint finish requires a consistent and controlled application. To achieve this, paint guns powered by air compressors are widely used in the automotive, woodworking, and furniture industries for spray painting. This is largely because the uniform flow of compressed air results in flawless coatings, less overspray, and improved efficiency.
Cleaning
With the help of an air gun or nozzle attachment, compressed air can dislodge dust and debris from hard-to-reach areas, such as computer keyboards, electronics, workshop machinery, and ventilation systems. This method offers a quicker and more efficient alternative to manual cleaning, maintaining a clean and dust-free environment.
Manufacturing and packaging
Air compressors are used to power pneumatic equipment in factories, such as for product handling and packaging. Compressed air ensures precision and increased productivity and also contributes to quality control by powering testing equipment and sorting systems.
Pharmaceuticals
Air compressors are used to power equipment and testing devices in the pharmaceutical manufacturing process. They facilitate precise ingredient handling, which ensures accurate measurements and consistent formulations. They also drive mixers, guaranteeing uniform distribution of active ingredients.
In the packaging stage, air compressors power sealing and labelling machinery, allowing secure and accurate packaging. Compressed air is also utilised in cleanroom environments to maintain sterile conditions during production.
Food production
Air compressors are essential in the food industry, powering pneumatic systems for ingredient handling, mixing, cleaning, packaging, and quality control. They also facilitate efficient product conveyance, precise blending, and reliable sealing of food packages. Furthermore, they contribute to temperature control in refrigeration systems, ensuring food freshness and preventing spoilage.
How we can help
If you need a dependable compressed air supply in your factory or workshop, we have you covered. Our selection of PneuTech air compressors delivers reliable, high-quality compressed air for operations of all shapes and sizes. At Industrial Air Systems, we deliver turnkey solutions for all your compressed air needs.
Air compressor NZ
Based on your operational needs and air usage, our experts will help you choose the right machine from our range.- Integrated air compressors
- Variable-speed compressors
- EncloseAir compressor enclosures
- Fixed-speed compressors
- Oil-free compressors
- Oil-free scroll compressors
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Compressed air services and support
Compressed air layout design
We can work with you to plan the system to meet your requirements. Our design consultants will create a layout based on your plant and air usage, ensuring we provide the most effective solution for your operations.
Air compressor installation
Our team will complete the entire installation and setup process, including full project management and air piping installations. This ensures a quick and seamless installation so your team can be up and running in no time.
Air leak detection and air audits
Did you know air leaks could account for 9% of your annual electricity bill? With our leak detection and air audits, we can identify any inefficiencies and opportunities to improve your air system. We also provide air quality testing to ensure your compressed air is meeting appropriate quality standards.
24/7 Support
If you have any products from us, we provide around-the-clock servicing and support. This reduces unplanned downtime and gives you much-needed peace of mind. We also supply spare parts and rental compressors. Find out about our servicing and support on our website.
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