A new chip-based frequency-division meter with two frequency combs has been developed by physicists at the California Institute of Technology. Precision spectroscopy systems are based on pulsed lasers and use a technique called double comb spectroscopy. This makes it will achieve a thousand times more accurate, nearly a million times faster than the standard tools used today. Based on a millimeter-scale silicon chip, this device enables real-time chemical composition analysis of biological or environmental samples and represents a significant step toward accurate, portable devices. Experts say such devices can achieve some medical and military applications.
Spectroscopy is a powerful tool widely used in a variety of scientific fields, including astrophysics, biology and chemistry, to determine the chemical composition of unknown samples. It uses the fact that the frequency at which a substance absorbs light, known as its absorption spectrum, can act as a "fingerprint" revealing the atoms and molecules in matter. The accuracy of these chemical fingerprints depends on how accurately a spectrometer can resolve these absorption frequencies.
Created by Kerry Vahala and colleagues, this new chip-based frequency division meter offers a solution that is about a thousand times more accurate than traditional grating spectrometers. "Spectroscientists, if you can give them a bigger resolution, they use it forever," Vahala said.
Double Spindle Turning Milling Composite Machine Tool
Double spindle butt lathe is an advanced CNC lathe with high in the machine tool industry. Its main feature is that it can achieve multiple types of turning and drilling processing on one machine tool, improving productivity and machining accuracy.
I. Structure composition
The main structural composition of double spindle docking lathe includes machine body, CNC system, tool holder, toolholder, spindle, collet, turning center, tool, etc. Among them, the machine tool body is the foundation of the whole lathe, mainly responsible for supporting and fixing each component to ensure the stability of the machine tool. The CNC control system is the intelligent brain of the lathe, which centrally controls and manages the operation and machining process of the lathe. The tool holder and tool shank are used to hold and fix the tool and cut the workpiece. The spindle and collet are the core parts of the lathe, which are responsible for driving the workpiece and cutting tools, etc. for machining.II. Working Principle
The working principle of double spindle docking lathe is similar to that of ordinary lathe, but it has double spindle structure. Its spindles can run together or work independently to process two workpieces at the same time, thus realizing multiple tasks on one machine tool. This lathe adopts advanced CNC technology, which can freely adjust the processing parameters as needed and highly automate its working process.III. Application Scenario
The twin-spindle docking lathe is widely used in the processing of various materials such as metals and non-metals in the industrial field. Its main application scenarios include:(1) Aerospace field: manufacturing various aerospace engines, accessories and parts.
(2)Automobile manufacturing industry: used to produce various cars, trucks and motor vehicle parts.
(3) Medical devices: for the production of various medical devices and medical equipment.
(4) Electronics field: for the production of a variety of electronic product housings and parts.
(5) Machinery field: for the production of various machinery, industrial equipment and parts.
In a word, double spindle butt lathe is a kind of advanced CNC lathe that is standardized, modularized and equipped with advanced mechanical, electrical, hydraulic, pneumatic and computer control technologies. Its high efficiency, high precision and high automation make it have great advantages in terms of return on investment, production efficiency and product quality.
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