Compared to conventional rebound hardness testing machines, it is possible to measure lighter samples, smaller samples, and thinner samples!
By adopting a special alumina ball indenter with a diameter of 3 mm, it has become possible to measure lighter, smaller, and thinner samples compared to conventional rebound hardness testing machines. 【Features】 - The world's only product that measures the hardness (rebound coefficient) of samples using micro balls. - No complicated adjustments are needed; testing can be started immediately after turning on the power. - No need to prepare test pieces; both large and small parts can be tested as they are. - Minimal impact on the sample, leaving only a small indentation. - Portable and easy to carry (testing machine: approximately 0.6 kg). - Can be tested in any orientation, 360° (vertical, inverted, horizontal, etc.). 【Measurement Principle】 1. A micro ball (φ3 mm / weight 0.06 g) is collided with the sample, and the speeds on the way to and back are measured to calculate the rebound coefficient e (= speed ratio). 2. If the sample undergoes only elastic deformation, ideally the speeds on the way to and back will be the same (e=1). 3. If the sample undergoes plastic deformation, the kinetic energy of the micro ball is lost in the formation of the indentation, resulting in e<1. 4. The harder the sample and the less it undergoes plastic deformation, the larger e will be; conversely, the softer the sample, the smaller e will be.
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basic information
Measurements can be taken regardless of the impact direction, and it is possible to measure all types of materials. A special alumina ball indenter is collided with the sample, and the rebound velocity Vi and impact velocity Vr are measured, displaying the rebound coefficient e = Vr / Vi. For ordinary steel, it is possible to display conversions for HRC, HRB, HV, HBW, and HS.
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Applications/Examples of results
- Measurement of hardness of steel and all materials.
Detailed information
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Measurement of steel nut (M12)
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Measurement of aluminum wheels for automobiles
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Company information
Our company provides distinctive technologies and products that meet the needs of the times to contribute to the development of society. In an era where globalization is advancing and goods and information are overflowing, we seriously consider what our customers are seeking and strive to provide reliable technology development and products. Additionally, we have established a maintenance center and are working hard to provide services that satisfy our customers.