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How to improve your hand grinding sample skills
2025-06-06

Are you always unable to grind your samples well by hand? Today I will teach you two tricks to easily solve the problem!
Hand grinding samples is a common problem for many laboratory workers. Have you ever been annoyed by the time-consuming and laborious hand grinding of samples? Don't worry, today we will share two practical tips to help you easily handle hand grinding samples!

01 Place the sample on the edge when mounting
When setting the sample, it is very important to place the sample at the edge. The purpose of this is to make it easier to grind the sample during hand grinding. The specific operation is as follows:
Place the sample at the edge for setting: During the setting process, place the sample at the edge of the mold, which can ensure that the sample is easier to grind during the subsequent hand grinding process.
Pour the setting material: Pour the setting material into the mold to ensure that the sample is completely covered and fixed.
By placing the sample at the edge for setting, the sample can be better contacted during hand grinding and unnecessary grinding time can be reduced.
02 Chamfering is essential
The edges of newly mounted samples are usually sharp, which not only affects the grip, but may also cause inconvenience during hand grinding. Therefore, the processing of the chamfer is particularly important.
Grind the upper and lower edges into rounded corners: Use sandpaper or abrasives to grind the upper and lower edges of the sample into rounded corners. This not only avoids the inconvenience caused by sharp edges, but also makes the hand grinding process more labor-saving.
After the chamfering treatment, the edges of the sample become more rounded, and it is easier to hand grind.
Through the above two tricks, combined with the grinding and polishing machine independently developed and produced by Naibo for hand grinding, you will find that hand grinding samples becomes much easier. Whether it is scientific research experiments or production sample preparation, these tips can help you improve efficiency and reduce unnecessary troubles.
I hope this article can help you better understand the skills of hand grinding samples and apply them to actual operations. If you have any questions or need further help, please feel free to contact us!