16 Must-Follow Facebook Pages To Machine Espresso Marketers
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작성자 Philomena 작성일25-01-31 20:29 조회11회 댓글0건관련링크
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How Does Machine Espresso Work?
Machine espresso uses precision pressure and amazing filter technology to make the coffee we love. But how exactly does it work?
Espresso is made by pushing hot water at high pressure through finely ground coffee. The process is similar to that of making drip coffee. However, the pressure is the primary difference.
The Head of the Group
The name implies, the group head is where you place your portafilter while brewing espresso. It disperses water in the portafilter, and then regulates the pressure of extraction. There are various kinds of group heads each with its unique advantages and disadvantages. Some are designed to provide stability of temperature while others are built to handle pre-infusion. Others are built to control the lever. Some include a combination such as the E61. This is a popular choice among baristas due to the fact that it has multiple benefits in a single package.
As you can see in the above photo the group head is fitted with a variety of notches. You place your portafilter in these notches, then twist the head to lock it. There is also a gasket made from rubber that resides inside the notches and helps to create the seal when you insert your portafilter into the machine. The notches on the head allow for an exact placement of the portafilter, which is vital to ensure an even extraction.
The group head not only allows you to place your portafilter easily however it also keeps the temperature at a constant level. This is done by cycling hot water around the portafilter, and through the brew-basket to ensure the temperature is always right to extract the coffee. This is vital, because even a few degrees can be the difference between a good and great professional espresso machine.
The Pump
In contrast to piston machines that are manually operated, which rely on a lever to pressurize water, rotary espresso machines rely on motorized pumps to deliver the nine atmospheric bars of pressure necessary to extract espresso. The pressure builds up by drawing tap water from a reservoir and pumping it through a heat exchanger prior being shot through the ground coffee and espresso maker inside the group head.
Pumps are generally more affordable and last longer than piston-driven machines. However, both kinds of machines are susceptible to degrading because of frequent use and poor cleaning. Pumps are also more complicated mechanically, which can raise the cost of even the simpler models.
Some espresso machines do away with the pump entirely and employ steam pressure to create espresso. The drawback is that the same boiler that produces steam also raises the temperature of the water until it reaches boiling, which can lead to excessive extraction. Additionally, these machines frequently have to rebuild their pressure between cups, espresso machines which takes time and energy.
Many espresso machines utilize either a rotary or vibration pump, with a vibration model that uses a vibrating disc to generate the pressure and an rotary model that pushes hot water through the grounds under high speed. Both machines can make excellent espresso however rotary machines tend to be more quiet, durable and less likely to break down.
The Boiler
The boiler is the one that heats the water to a temperature that is ideal to extract. The steam that is created gets to the portafilter which holds the espresso grounds. It is then poured into the cup. During this process the steam creates enough pressure to push the coffee grounds through. This results in a layer of crema on top. This is one of the hallmarks of a good espresso.
There are three kinds of espresso makers machines, espresso machines each with different pumps and the temperature of the brew. There are a variety of ways to control the brew as well as the size of the cup that can be made by the machine.
The earliest espresso machines were steam types. The first espresso machines were steam types. This resulted in the coffee tasting burnt and bitter. This is the reason Milanese producers Luigi Bezzerra and Desiderio Pavoni developed the modern espresso machine.
The most well-known espresso maker is a semi-automatic machine with an electric pump. When people think of espresso machines, they picture these machines. Semi-automatic machines require you best bean to cup espresso machine grind and tamp the beans yourself however the pump controls the flow of water and pressure. This is a fantastic compromise between human control and mechanised accuracy.
The Filter
Typically, espresso machines employ filters to separate the grounds of the coffee as they go through the hot water. The filter is also a vital component of the temperature control system as it prevents the machine from overheating.
It also improves flavor, as it allows for a longer bloom phase. This allows the beans to release their flavors, and also allows for better extraction.
However, it is important to remember that even a great filter could result in a bad cup of coffee, because the quality of the beans and extraction are vital.
It's here that the magic happens. This is what makes espresso taste so good. The grouphead, often referred to as the brew head, is the place where the portafilter (the thingy you put the coffee ground into) is placed when making espresso.
Steam-driven espresso machines make use of hot water that is heated in an airtight container to create steam. The steam then moves hot water through the grounds of coffee at high pressure. These kinds of machines tend to be less expensive and simpler to maintain than pump-driven models. However, they are not as efficient in their capacity to create the ideal conditions for brewing as they only operate at 1-1.5 bars of pressure. While the perfect shot requires 9-10 bar.
In recent years, compressed air-pump-driven espresso machines have become more popular. They make use of an air compressor to push hot water through the ground and are more mobile than electric steam-driven espresso machines.
Machine espresso uses precision pressure and amazing filter technology to make the coffee we love. But how exactly does it work?
Espresso is made by pushing hot water at high pressure through finely ground coffee. The process is similar to that of making drip coffee. However, the pressure is the primary difference.
The Head of the Group
The name implies, the group head is where you place your portafilter while brewing espresso. It disperses water in the portafilter, and then regulates the pressure of extraction. There are various kinds of group heads each with its unique advantages and disadvantages. Some are designed to provide stability of temperature while others are built to handle pre-infusion. Others are built to control the lever. Some include a combination such as the E61. This is a popular choice among baristas due to the fact that it has multiple benefits in a single package.
As you can see in the above photo the group head is fitted with a variety of notches. You place your portafilter in these notches, then twist the head to lock it. There is also a gasket made from rubber that resides inside the notches and helps to create the seal when you insert your portafilter into the machine. The notches on the head allow for an exact placement of the portafilter, which is vital to ensure an even extraction.
The group head not only allows you to place your portafilter easily however it also keeps the temperature at a constant level. This is done by cycling hot water around the portafilter, and through the brew-basket to ensure the temperature is always right to extract the coffee. This is vital, because even a few degrees can be the difference between a good and great professional espresso machine.
The Pump
In contrast to piston machines that are manually operated, which rely on a lever to pressurize water, rotary espresso machines rely on motorized pumps to deliver the nine atmospheric bars of pressure necessary to extract espresso. The pressure builds up by drawing tap water from a reservoir and pumping it through a heat exchanger prior being shot through the ground coffee and espresso maker inside the group head.
Pumps are generally more affordable and last longer than piston-driven machines. However, both kinds of machines are susceptible to degrading because of frequent use and poor cleaning. Pumps are also more complicated mechanically, which can raise the cost of even the simpler models.
Some espresso machines do away with the pump entirely and employ steam pressure to create espresso. The drawback is that the same boiler that produces steam also raises the temperature of the water until it reaches boiling, which can lead to excessive extraction. Additionally, these machines frequently have to rebuild their pressure between cups, espresso machines which takes time and energy.
Many espresso machines utilize either a rotary or vibration pump, with a vibration model that uses a vibrating disc to generate the pressure and an rotary model that pushes hot water through the grounds under high speed. Both machines can make excellent espresso however rotary machines tend to be more quiet, durable and less likely to break down.
The Boiler
The boiler is the one that heats the water to a temperature that is ideal to extract. The steam that is created gets to the portafilter which holds the espresso grounds. It is then poured into the cup. During this process the steam creates enough pressure to push the coffee grounds through. This results in a layer of crema on top. This is one of the hallmarks of a good espresso.
There are three kinds of espresso makers machines, espresso machines each with different pumps and the temperature of the brew. There are a variety of ways to control the brew as well as the size of the cup that can be made by the machine.
The earliest espresso machines were steam types. The first espresso machines were steam types. This resulted in the coffee tasting burnt and bitter. This is the reason Milanese producers Luigi Bezzerra and Desiderio Pavoni developed the modern espresso machine.
The most well-known espresso maker is a semi-automatic machine with an electric pump. When people think of espresso machines, they picture these machines. Semi-automatic machines require you best bean to cup espresso machine grind and tamp the beans yourself however the pump controls the flow of water and pressure. This is a fantastic compromise between human control and mechanised accuracy.
The Filter
Typically, espresso machines employ filters to separate the grounds of the coffee as they go through the hot water. The filter is also a vital component of the temperature control system as it prevents the machine from overheating.
It also improves flavor, as it allows for a longer bloom phase. This allows the beans to release their flavors, and also allows for better extraction.
However, it is important to remember that even a great filter could result in a bad cup of coffee, because the quality of the beans and extraction are vital.
It's here that the magic happens. This is what makes espresso taste so good. The grouphead, often referred to as the brew head, is the place where the portafilter (the thingy you put the coffee ground into) is placed when making espresso.
Steam-driven espresso machines make use of hot water that is heated in an airtight container to create steam. The steam then moves hot water through the grounds of coffee at high pressure. These kinds of machines tend to be less expensive and simpler to maintain than pump-driven models. However, they are not as efficient in their capacity to create the ideal conditions for brewing as they only operate at 1-1.5 bars of pressure. While the perfect shot requires 9-10 bar.
In recent years, compressed air-pump-driven espresso machines have become more popular. They make use of an air compressor to push hot water through the ground and are more mobile than electric steam-driven espresso machines.
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