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

Coffee and Espresso Machines

commercial espresso machine machines make use of pressure in order to press water into finely crushed and tamped beans. They make a rich, flavorful brew.

Experts at the Good Housekeeping Institute recommend models that brew with a minimum pressure of 9 bars in order to get the most efficient extraction. Beware of brands that claim to use higher pressure than necessary.

Types

The espresso machine (also known as a coffee and Espresso maker) brews coffee that is more concentrated, and of higher quality, than your typical café drinks. It uses an average of nine bars of pressure. These machines typically have various features, including temperature control and brew strength as well as programmable brewing and multiple drink sizes. They may also include steam wands, either manual or automated, to create texturized milk for latte art. There are three kinds of latte art of semi-automatic, super-automatic, and automatic. Each comes with its own level of supervision and control.

Semi-automatic espresso machines are most popular for specialty coffee shops. This allows baristas to have complete control over the brewing process, but it is not as user-friendly as a fully automatic machine. You must still grind beans, fill and tamp the portafilter and adjust the extraction time to achieve the best quality espresso shot.

Automated machines come with built-in mills and can measure and tamp your grounds. They automatically dispense enough water to extract espresso, and typically have the capacity to programate the size of the beverage. They were the most popular espresso machine in our lab tests, and they provide a great level of consistency as well as human control.

Functions

No matter if you opt for a pump-driven machine or a steam-driven one, you'll have an in-line reservoir that houses the water needed to make your coffee. You'll also have a heating device that will heat the water in order to create the pressure necessary to extract the coffee from the grounds.

When the button to brew is pressed, the water inlet valve is sealed to ensure that only hot water with intense pressure can pass through the portafilter and into the ground coffee. It takes around 25 seconds for the water to become espresso.

The hot-water tubing, referred to as the insulated tubing, runs from the reservoir to the spout at the top of your machine. The heating element for resistance is responsible for heating the water as the water moves through the aluminum tube and metal warming plate.

After the spout has been turned on, place your cup in the spout, which will catch the espresso as it is pushed through the portafilter into your cup. The coffee maker also has a steam wand that you can use to heat up and froth the milk for coffee-based drinks such as cappuccino and Latte.

Automated machines eliminate the guesswork out of making your own. They operate with just one button, are programmable and can grind and measure beans for you as well as grind them down. They tend to perform the best overall in our Lab tests, since they are simple to operate and don't require any users' skills.

Materials

The inside of an espresso machine is a world of copper tubes, stainless steel boilers, and sophisticated firmware. They might appear complicated, but at their core they do just one simple thing: force hot water through finely ground coffee.

When looking for an espresso maker, you should consider the size and space requirements, drink options, energy-saving options and brewing accuracy. Also, look for a steam knob which will activate the steam wand for frothing milk and creating the latte art. A gauge for pressure on the front of the machine informs you of the boiler's and pump's operational pressure. It is recommended to look for a coffee machine that has two needles to see the minimum and maximum pressure.

If you are looking for more than only espresso, choose one that has different brew sizes. This includes the ristretto. There are models that include an adjustable milk hopper to allow free, effortless frothing, and the ability to effortlessly switch between different kinds of milk. Make sure you choose a model with a built-in softener if you have hard water to avoid mineral accumulation and ensure that your espresso stays fresh.

Certain manufacturers employ a PID (proportional, integral, digital) thermostat to maintain the temperature of espresso making. This feature helps ensure a consistent, high-quality cup of espresso each time. It also helps save on cost of energy, as the machine only operates when it's required.

Maintenance

The care and maintenance of espresso machines and coffee makers is becoming more essential as they become accessible to home use. Having the most efficient equipment can make all kinds of difference to your cup of coffee, but that's only true if the machine is in good working order.

Regular cleaning and maintenance should include everything from cleaning the group head, steam wand and water filter to descaling and changing the water filters on a regular basis. As a rule of thumb that you make between two and five cups of coffee every day, you should wash the majority of the machine once a week. Some components of the machine will require cleaning every two to three weeks. These include the water tank and the grinder.

In addition, you must backflush your machine on a weekly basis. This involves locking the portafilter into place and running the brew cycles multiple times. This will remove any coffee ground or oil that has been left behind. You can also clean the portafilter by using the brush and cleaner that is specifically made for espresso machines.

Maintaining your coffee for espresso machine and espresso machine properly can ensure that it lasts longer. The majority of professional espresso machines used in cafes and offices are expensive, so it is critical to keep your machine in good shape so that it can last for as long as it can.