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CT-2300 Manual Table Cut-off Machine
Product Description
CT-2300 is a simple, manual table cut-off machine. It is widely used in the cutt...
The metallographic grinder machine is a versatile machine that is an economical solution for sample preparation. Available in both a single and a dual wheel configuration, these grinders feature variable wheel speed control. Moreover, they are equipped with a detachable water sprayer and a digital control panel. They also feature an easy disc change system and a fully molded FRP body.
The main functions of a metallographic grinder are to create a flat, even surface and to remove any residue or abrasions that might have occurred during the sample preparation process. In addition, the fine grinding discs are designed to prevent chipping and smearing of the sample, especially when the material being processed is soft.
Typically, the specimen is first prepared by using a rotary disc machine or an abrasive belt. Both of these machines have coolant attachments, which keep the cutting process cool. Coolant is also used to clean the cutting belt or rotary disc. It is important to monitor the temperature during this process to prevent overheating.
Metallographic specimen preparation is important for material testing and is often a prerequisite for the development of a new product. It is important to follow the proper process for preparing samples for metallography analysis to ensure that the samples are as accurate as possible. By following the proper metallographic preparation procedures, you can achieve a high-quality result with the smallest cost.
During mechanical preparation, hard brittle materials are prone to fracture at the surface. This fracturing is often due to the fact that the surface porosity is higher than the material's real porosity. Because this is true, the apparent fracture of the material's surface must be eliminated. Similarly, ductile materials are softer and have low porosity.
Metallographic preparation machines can be manually operated or automated. They can be used to polish or grind samples. Some portable machines can even be wheeled from one worksite to another. Handheld devices are more convenient to use than floor-mounted machines, and they can be taken to a field or a plant.
Grinding is most effective when the head speed of the grinder is at a lower speed than the surface speed. This minimizes the initial deformation of the specimen while still maintaining adequate removal rates. The abrasive used to remove the material should be semi-fixed or have a metal mesh cloth to avoid abrasion.
There are various types of abrasive grits available for metallographic preparation. Coarse grit is used for the rough grinding of the sample, while finer grits are used for the polishing step.
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