How does the precision design of coffee machine interior parts ensure the best extraction pressure?
Publish Time: 2025-02-13
Coffee machines, especially espresso machines, extract the oil and aroma of coffee by penetrating coffee powder with pressurized hot water. This process has extremely high requirements for extraction pressure. In order to ensure the best extraction effect, the precision design of coffee machine interior parts is particularly important.Extraction pressure is one of the key factors affecting coffee quality. It determines the time, method and intensity of hot water contact with coffee powder, which affects the taste, aroma and color of coffee. Espresso machines usually need to work in a pressure range of 9Bar to 20Bar to ensure that the coffee powder is fully compacted and the hot water can penetrate evenly, so as to extract rich coffee oil and rich flavor.The precision design of coffee machine interior parts is crucial to achieve this pressure range. First of all, the pump body is the core component of the coffee machine to generate pressure. It must be able to withstand high pressure while maintaining a stable flow and pressure output. Modern coffee machines usually use electromagnetic pumps or piston pumps. These pump bodies can quickly reach the required working pressure in a short time and keep it constant through precise manufacturing and adjustment.Secondly, the design of the extraction head is also crucial. It must not only fit snugly with the coffee powder to prevent pressure leakage, but also ensure that the hot water can be evenly distributed throughout the coffee powder layer. To achieve this, the extraction head usually uses a precision-machined metal filter or brewing head, which can accurately control the speed and direction of the water flow to achieve the best extraction effect.In addition, the seals and piping systems inside the coffee machine are also key factors in ensuring stable extraction pressure. The seals must be able to withstand high pressure and high temperature to prevent moisture and steam leakage. The piping system needs to be precisely designed to ensure smooth water flow and minimal pressure loss.Finally, the control system of the coffee machine also plays an important role. It can monitor and adjust the extraction pressure in real time to ensure that the coffee machine can maintain the best extraction effect under various working conditions. Modern coffee machines usually use advanced electronic control systems that can automatically adjust parameters such as pump speed and water temperature to cope with different coffee bean types and user taste requirements.In summary, the precision design of coffee machine interior parts is the key to ensuring the best extraction pressure. Through precise manufacturing, adjustment and control systems, coffee machines can work stably under high pressure and extract high-quality coffee.
