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Coffee Machine Espresso Espresso coffee machine creates a rich cup of coffee with hot water pushed under pressure through tightly compacted grounds. There's a lot going behind the scenes to deliver consistent quality. Pressure and temperature of water are the two most important elements. A good espresso machine allows you to manage these variables for consistent flavor and extraction. Types The top espresso machines utilize high pressure to push hot water through tightly packed ground coffee. This method can brew 1-2 ounces of the concentrated form of coffee known as espresso and also produces the distinctive crema, which gives espresso its rich texture. Espresso machines can create many coffee drinks like flat whites, cappuccinos and caffe lattes. Many coffee lovers prefer the flavor and strength of espresso compared to other varieties of brewed coffee. Espresso makers are usually classified into four categories based on the level of automation: manual, semi-automatic, automatic and super-automatic. Automated machines are designed for use at home. They come with programmable beverage sizes and an automated process. The most expensive models can grind and tamp beans, and also steam and froth milk to make other drinks, like cappuccino. Piston-driven and semi-automatic espresso machines have an inlet that holds the ground coffee tamper-pressed. The handle is pulled to pressurize water, forcing the water through the grounds and extracting espresso. These machines offer the most authentic, hands-on experience of brewing however they require more attention and skill to operate. Fully-automatic espresso machines are the most popular kind of espresso maker. They feature an automatic pump that pushes the water that is pressurized through the coffee grounds and extraction system to produce espresso. These machines can be set to brew a specific amount of coffee at the touch of a button. They also have sensors that can adjust variables like temperature of the water and extraction time. Bean-to-cup coffee and espresso machines use a filter that accepts either pod-based or ground coffee. They can make multiple servings and differ in their capacity, which includes the size and power of the coffee grinder, as well as the brew cycle speed. Certain machines have different options for grinding coffee, like whole or pre-ground bean. Some machines can also make non-drinkable beverages like tea. Espresso machines that are based on pods are less expensive than full-size espresso machines, but they can become more expensive over time. They also pose a sustainability problem because coffee pods are hard to recycle or eliminate. Functions Espresso machines are designed to create high-pressure water that is forced through the ground coffee creating the thick, frothy beverage known as espresso. There are several machine designs, but they all have a few common features, such as the ability to vary the fineness of the grind and pressure. They can be used to make a variety of drinks, ranging from simple single shots to elaborate capspuccinos. In addition, many espresso machines come with steam wands to heat and froth milk. The most popular espresso machine type on the market is the pump-driven model. These machines use an electronic pump that dispenses hot coffee grounds and water into the brew chamber, creating high pressure. They are available in automatic, super-automatic and semi-automatic versions. Lever machines give you a more hands-on experience than pumps-driven machines. Lever machines come with portafilters (a handle-shaped basket that holds ground coffee) and a grouphead. The barista puts the portafilter in the group head, and then locks it in place. The slots on the group head line up with the tabs on the metal of the lever. The lever is pulled to create pressure after the portafilter has been locked into position. This creates water that is disseminated through the grounds, creating the shot. Many brands claim their products can be able to reach 20 bar or more of pressure. However, the minimum amount required for a great espresso is only nine. Water temperature is also crucial and should range from 195 and 204 degrees Fahrenheit. A lot of professional and commercial machines have a separate boiler to heat the water to the correct brewing temperature. However certain machines come with dual heater designs (also called a dual boiler) that offer greater flexibility. Unlike filter-based coffee makers, espresso machines can prepare an array of drinks with the touch of the button. They can also be programmed to automatically adjust various factors including the size and temperature of the coffee, as well as the amount of water that is poured. Some models even come with integrated grinders, which allow you to start with fresh beans. Many models also have a digital display that records important information like the temperature and time of the coffee. Ease of espresso coffee machines can provide you with many drinks, ranging including double and single shots to cappuccinos and lattes. It should also offer the flexibility to use different types of beans and to alter the size of the grind depending on the needs. A good espresso and coffee maker can also allow you to manage important elements such as the temperature of the water and pressure. Certain models come with PID controls that are digital and programmable which allow you to fine tune the temperature of the water. Others might have an integrated grinder that automatically adjusts the size of the coffee before it enters the portafilter. These features can be useful when you're new to espresso making or don't have the patience or knowledge to manually measure and grind your coffee. If you intend to drink your espresso with milk, look for a machine that has an additional steam wand that is capable of heating and frothing the liquid. Some machines also have separate hot-water spigots. If you want to brew an enormous amount of espresso, you should consider buying an Italian-style double boiler espresso machine that has two separate steam tanks and independent temperature controls. This kind of espresso maker is more expensive, but it provides more stability in the heat throughout the making process. Most espresso machines require manual labor to clean. A few models are self-cleaning, however the majority require regular cleaning of the portafilter, milk frother, and drip tray. You'll also need to descale the machine at least once every two months. When descalering a coffee or espresso maker, make sure to unplug the unit first, and follow the directions in the user's manual for specific instructions. The type of water you use will affect the amount of minerals that build up within your machine. Hard water can contain high levels of dissolved mineral and can increase the need for descalers, while soft water or filtered water are less prone to damage for the machine. Maintenance A well-maintained machine is crucial to the success of any cafe. These machines are able to make delicious espresso drinks, and they need to be kept tidy. Maintenance of the espresso machine requires a regular routine of daily cleaning and weekly descaling. Cleaning involves removing drip tray and waste container, and washing them in soapy warm water. This involves cleaning the portafilters and removing the coffee grounds from each grouphead in order to prevent the accumulation of coffee grounds that can affect the taste. It is also essential to clean the milk containers and frothers and to ensure they are free of staining and odors. Descaling is the process of eliminating limescale or mineral deposits from an espresso machine's interior workings. This process is typically done by using a commercial descaler that's compatible with your machine and following the manufacturer's instructions for use. Other maintenance tasks for the month include inspecting the gaskets and seals for signs of wear or damage, which could lead to leaks. It's important to replace damaged or worn components to avoid costly repairs. A monthly inspection should also concentrate on the brew group mesh that is where old coffee residue and oils can build up. If this mesh isn't regularly cleaned, the coffee brew could remain in every cup of espresso that your staff serves customers. Finally, a test of the hardness of your water is recommended every month to make sure that your cafe is using high-quality water. The presence of high levels of total dissolved solids (TDS) will cause your espresso machine to work harder and shorten its lifespan. A water softening system is a great investment to reduce the cost of repair and replacement costs. Espresso machines are a complex piece of machinery and each one has its own unique requirements for care. Maintenance managers need to be aware of these complexities to create an efficient and consistent schedule for the service of espresso machines. A digital solution such as Xenia can also help streamline preventive and scheduled maintenance, provide alerts for when tasks are due and keep track of inventory effectively to decrease the chance that unplanned downtime occurs. Xenia can also automate tasks to simplify the maintenance management process, and increase customer satisfaction and loyalty.