• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

Important Parts of an Espresso Machine

A good espresso machine will give you a shot with a thick body, a rich flavor and an intense aroma. This requires a high temperature and pressure.

Also, be attentive to the crema, a golden-brown layer that gives an intense espresso its distinctive flavor and color. There are four types of espresso machines: semi-automatic, manual automated, super-automatic and semi-automatic.

Water reservoir

The water reservoir is a container that houses filtered, cheaper cold water that is then fed into the espresso machine. It is usually removable, and has a lid that helps keep the water clean and free of dust. It is a crucial component of the espresso maker and should be kept clean in order to prevent getting blocked. To clean it, pour vinegar into the reservoir and let it run for several minutes.

The espresso machine utilizes water to pressurize the coffee grounds, and extract flavors, oils and caffeine. It also produces crema, the foam. Achille Gaggia created the first espresso machines, which used pistons and levers to produce high-pressure brewing. Gaggia's spring piston levers pushed water through the coffee into the cup. This introduced a new terminology "coffee for espresso machine crème" (crema).

The pump utilizes electricity to push water through the heating element in order to heat it to the ideal brewing temperatures of 195 degrees Fahrenheit. It is usually located at the bottom of the machine and attached to a tubing that runs up through the heating element. It also connects at either end to the cold-water tube as well as the hot-water tube. It also goes under the resistive heating element which is covered with white grease to keep the plate warm.

Pump

The pump is the thing that makes espresso machine work and there are a variety of types. For instance certain machines use a vibratory or vibe pump that utilizes an electromagnetic workhorse that moves back and forth within a coil to create 60 pushes per second. The pump pushes water into the portafilter and then out of the spouts. Other pumps utilize thermoblocks or a thermocoil heating system that is able to precisely heat the water to the desired temperature for the brewing. These systems also allow for control of pressure as well as water temperature, which is important to a quality extraction.

Pump-driven espresso machines could feature a spring or piston design, or an electric pump, however they all require water to flow through the coffee grounds at high pressure. The higher the pressure, the better the extraction. The pump makes sure that the ground coffee is evenly distributed, which can help make a good crema.

Other types of espresso machines include piston-driven or steam-driven. In a steam driven machine, the water is forced through the coffee using steam pressure. This type of machine is cheaper but does not produce the same amount of pressure for extraction. There are also pump-driven espresso machines that are lighter and smaller in size, but do not require a boiler and can be powered by hand pumps or a canister of compressed air (such as CO2 or N2). Air-pump espresso makers make less pressurized espresso than pump-driven machines, but may be more suitable for certain people.

Steam tool

The steam wand is the thin pipe made of metal that comes out of the espresso machine and shoots steam hot and pressurized into your milk to create foamy drinks such as cappuccinos and lattes. The wand can be used to heat water for cocoa, tea or any other hot drinks. The wand has a variety of holes that you can turn on or off to control the amount of steam released. Some machines use traditional wands, while others have a Pannarello wand, which is more user-friendly but doesn't create the same foam needed for latte art.

If you're having problems making your milk frothy, it could be that your espresso maker has a problem with its anti-vacuum device. The valve is designed to stop air from leaking into the steam wand while in operation. You can test this by lowering the wand, and hearing a whirring sound. If you hear this sound it indicates that air is being sucked in and you should raise the wand slightly to let it submerge more completely.

You can also test the anti-vacuum by removing the wand, then washing it in warm water with a soft bristled brush or sponge. It is vital to clean the wand to avoid clogs that can impact the frost. If you're not able to fix it on your own, seek help from a technician or the manufacturer.

Control panel

The control panel of an espresso machine permits the user to set up and alter settings. Included are the strength of coffee and the quantity of milk. The settings can be modified at anytime. The display also indicates when the machine needs to be descaled as well as if the water tank is full.

Most espresso machines come with hot water dispensers. This is usually placed near or between the groups. This can be used for coffee or to heat cups if needed. It is also ideal for cleaning and washing. A lot of models have gauges for pressure on the front of the machine that indicate the current boiler pressure.

A brew switch is also available, that controls the brew cycle as in the quantity of shots. This is important as espresso shot size is determined by the amount of time the grounds are in contact with water. If you wish the switch could be used to initiate the steaming process.

The control system for this espresso machine is a bit old-fashioned, but it offers easy-to use features. It has a slim LCD that resembles a simple LED. It is easy to navigate through the menus. However there is a little learning curve for those who are new to using espresso machines. The ability of the machine to keep an unbeatable temperature is remarkable. The machine can maintain a perfect temperature of 194deg to 208deg F during the entire brewing procedure. This ensures perfect aroma extraction and a premium cup every time.