Lilly Chang. Coffee Machines. December 03rd , 2017.
In 1938, Milan coffee bartender, Achille Gaggia filed a Patent for a steam-free coffee machine. Unlike its predecessors, Gaggias design used a revolutionary piston mechanism which forced water through the coffee grounds at high pressure. It was his quest for the perfect espresso in 1930s Milan that gave birth to one of Italys most iconic brands, and heralded the production of the Espresso as we know it. Traditional Espresso Coffee Machines are the type you see in Café Nero, Costa Coffee etc.
This generally will not be available for low volume domestic machines. If you are considering a Bean to Cup machine for your business it should be noted that they are manufactured to different volume categories. Machines have to be matched to daily cups/day requirements/estimates, drink size and how quickly they will be needed. All Manufacturers cups/day specifications are based upon an 8oz serving with numbers spread evenly throughout the day. Typically low volume bean to cup can produce up to 50 coffees per day. Medium volume machines range between 100 and 150 a day. Medium to High volume would be 150 - 200 a day.
In the present era, it is almost unimaginable to think of a book store or a browsing hall without a coffee machine at a corner or featured most prominently. With so many people hooked on to this drink big time, the coffee machine has slowly started finding its way through schools, colleges, workplaces, malls and even petrol pumps. Many institutions and companies offer free service to their patrons while some of them charge a negligible fee for using the facility. Overall, walk into a shopping mall or a complex arcade and there are more chances than ever for you to find Commercial Coffee Makers somewhere in the backdrop.
Also, in large scale machines there are options of keeping the water heated for a longer time and the coffee is constantly brewed so that the supply is almost instantaneous when switched on. However, in small scale machines, not much importance is given to the Commercial Coffee Maker heating and efficiency factors. The speed is also not much to talk about and hence, the supply is done a long time after the switch is turned on as the brewing and heating starts again and again for every new cup of coffee. But, all said and done, the lapse in time due to reheating is hardly a minute or two, making the wait a breeze when compared to other machines.
One that is not as popular as all the others is the vacuum machine. They come in many shapes and sizes, yet they are more alike than they are different. This system heats the water in the lower chamber creating a water vapor. This increases the pressure in the lower chamber and forces the water upward into the upper chamber that you add just before the water begins to rise. Brew for about 1.5 minutes then remove from heat, the gases in the lower chamber cool and draws the brewed coffee downward via suction caused by a partial vacuum that ensures accurate extraction of oils and caffeine for a cleaner unit without the bitter taste.
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