-
E-mail
13967146609@126.com
-
Phone
13967146609
-
Address
3rd Floor, Building A, 3778 Jiangnan Avenue, Binjiang District, Hangzhou City, Zhejiang Province
Hangzhou Kefu Electromechanical Equipment Co., Ltd
Basic principle and structural design explanation of upright metallographic microscope
Date: 2025-09-11Read: 1
Upright metallographic microscopeIt is an important tool for observing the microstructure of metals in the field of materials science. Its working principle is based on optical imaging technology, and through precise optical systems and mechanical structure design, it achieves clear observation and analysis of the surface microstructure of metal samples. 
1. Basic principles
By using visible light as the illumination source and combining the magnifying effect of the objective lens and eyepiece, the reflected light on the surface of the sample is magnified to form an optical image. The lighting system projects light onto the surface of the sample, which is reflected by the sample and enters the objective lens. The objective lens magnifies the microstructure and forms a primary real image, which is further magnified by the eyepiece for human observation. This reflective lighting method is particularly suitable for observing the surface structure of opaque metal materials. The optical system design of the microscope ensures the clarity and contrast of imaging, and can clearly present microscopic features such as metal grains and phase composition.
2. Structural Design
Upright metallographic microscopeAdopting a compact and stable mechanical structure design, the main body consists of three parts: lighting system, optical system, and mechanical system. The lighting system is located above the sample, providing a uniform and stable light source, typically equipped with adjustable filters to optimize imaging contrast. The optical system includes an objective lens and an eyepiece. The objective lens is responsible for the initial magnification and determines the imaging quality, while the eyepiece further magnifies the image for easier observation. The mechanical system includes a stage, a focusing mechanism, and a bracket. The stage is used to fix the sample and achieve fine adjustment in the X-Y direction. The focusing mechanism ensures image clarity, and the sturdy bracket ensures overall stability. The stage is designed to be upright for easy placement and fixation of metal samples, and is equipped with a fixture system to achieve stable clamping.
3. Design Features
The structural design fully considers the special requirements for observing metal samples, and the combination of lighting system and optical system can effectively enhance the imaging effect of reflected light on the metal surface. The stability design of the mechanical structure ensures reliability during long-term observation, and the precise adjustment capability of the focusing mechanism ensures precise control of image clarity. The overall design balances operational convenience and observation accuracy, providing a reliable tool foundation for metallographic analysis.
Through scientific optical principles and rational structural design,Upright metallographic microscopeIt provides important technical support for the observation and research of the microstructure of metal materials and is an important instrument in the field of material analysis.
Last Article: Calibration and operation skills of direct reading spectrometer
Next Article: Calibration steps for Sanfeng roughness tester