The first step in metallographic sample preparation! Chongqing Wanwei metallographic sample cutting machine, precise, non-destructive, safe, and efficient

2026-08-24

Source: Wanvei Editor

In the field of metallographic examination and material research, metallographic specimen cutting stands as the initial crucial step in metallographic sample preparation. The quality of cutting directly influences the precision of subsequent grinding and polishing, microscopic observation, and metallographic structure analysis. Numerous issues in laboratory testing, such as data discrepancies and specimen scrap, largely stem from problems like overheating during cutting, uneven cutting surfaces, and unstable clamping. Hence, a professional metallographic specimen cutting machine is an indispensable core equipment in laboratories.

The Chongqing Wanwei Instrument Metallographic Specimen Cutter is a specialized equipment for metallographic and petrographic sample preparation, suitable for cutting specimens of various materials such as metals, ceramics, plastics, and ores. It covers cutting scenarios ranging from small conventional specimens to large-sized workpieces and is widely used in university laboratories, third-party testing institutions, industrial quality inspection, new material research and development, and other fields.

1. Why must a professional metallographic cutting machine be used for metallographic sample preparation?
Ordinary cutting equipment cannot meet the standards of metallographic experiments, and is prone to causing sample damage and data distortion. Professional metallographic sample cutting machines can effectively address the industry's pain points:
Prevent thermal damage: With a professional cooling structure, we avoid high temperatures that could damage the original metallographic structure of the material
The cut surface is smooth and flawless: there are no burrs, chipped edges, or deformations, reducing the workload of subsequent sample preparation
Safe and compliant operation: enclosed protective structure to avoid the risk of injury from grinding wheel splashes and debris
· High universality: Capable of stably cutting both soft and hard materials, irregular samples, and workpieces of various specifications
The Chongqing Wanwei metallographic specimen cutting machine is manufactured in strict accordance with national standards, ensuring stable equipment performance. It guarantees the quality of metallographic specimens from the source, making metallographic testing data more precise and reliable.

2. Core advantages of Chongqing Wanwei metallographic cutting machine
The QG and ZQG series metallographic sample cutters from Chongqing Wanwei Instrument have been optimized and upgraded for laboratory sample preparation scenarios, offering a balance of safety, efficiency, and durability. They are cost-effective metallographic sample preparation equipment.

Fully enclosed safety protection: The equipment adopts a fully enclosed double-shell structure to prevent debris and coolant splashes, ensuring safe operation throughout the entire process and suitable for high-frequency daily use in laboratories.
Circulating cooling to prevent burns: Equipped with an independent circulating cooling water tank, it quickly removes cutting heat, effectively preventing thermal damage to the sample and metallographic structure degeneration, ensuring experimental accuracy. The cooling liquid can be recycled, saving energy and being environmentally friendly.
Rapid clamping and efficient sample preparation: Equipped with a quick clamping and positioning device, sample clamping eliminates the need for cumbersome debugging, significantly enhancing sample preparation efficiency and meeting the needs of batch sample cutting.
Stainless steel accessories are durable and easy to maintain: Core components such as grinding wheel shaft sleeves, precision pliers jaws, and workbenches are made of stainless steel, which is resistant to corrosion, wear, and rust. This ensures a long service life for the equipment, simplifies daily maintenance, and reduces laboratory operation and maintenance costs.
Multi-model full coverage scenario: The equipment includes various models such as manual, semi-automatic, fully automatic, and automatic-manual models, which can be adapted to cut samples of different sizes and materials, meeting diverse needs such as teaching experiments, industrial quality inspection, and material research and development.

3. Parameter specifications for the entire series of equipment
The Chongqing Wanwei metallographic specimen cutting machine is complete in model, compliant in parameters, powerful in drive, and simple in operation, meeting the specimen preparation needs of different users:
QG-1: Maximum cutting diameter of 35mm, suitable for small conventional samples and basic experiments in colleges and universities
QG-2: Maximum cutting diameter of 50mm, suitable for small and medium-sized metal and rock phase conventional samples
QG-65T: Maximum cutting diameter of 65mm, suitable for medium-sized workpieces and industrial routine quality inspection
QG-85T: Maximum cutting diameter of 85mm, suitable for medium and large metal samples, batch testing
ZQG-350ML: Maximum cutting size of 100×100mm, suitable for large-sized workpieces, irregular specimens, and high-precision sample preparation

4. Applicable fields of equipment
The Chongqing Wanwei metallographic sample cutting machine boasts stable performance and high cost-effectiveness. It is widely used in various scenarios such as machinery manufacturing, quality inspection of automotive parts, hardware profile testing, new material research and development, university teaching experiments, research institutes, third-party material testing, and metallographic laboratories in industrial and mining enterprises. It serves as a core specialized equipment for metallographic and petrographic sample preparation.
Conclusion
Accurate and non-destructive cutting is the foundation of high-quality metallographic analysis. Chongqing Wanwei Instrument, with its deep expertise in metallographic sample preparation equipment, provides users with professional, low-cost, and high-efficiency metallographic cutting solutions, leveraging its mature technology and comprehensive model system. Our full range of models is readily available, and we can customize exclusive sample preparation plans based on sample size, material, and workload. Welcome to inquire about equipment selection and technical solutions.