Sonic Sieve Shaker for Metal Powder Testing

Monday March-23 2026  16:39:27

Metal powders possess unique physical properties. When particle size decreases to the micrometer level, the adhesion between powder particles strengthens, making them prone to electrostatic adsorption or clumping due to moisture. When using ordinary vibrating sieves, these fine particles often become stuck in the mesh, causing sieve blockage and forcing testing to be interrupted. To solve this problem, testers typically use the Sonic Sieve Shaker for Metal Powder Testing. This type of equipment typically covers a particle size range of 5 micrometers to 5.6 millimeters, capable of handling extremely fine powders. Common sieve diameters include 200 millimeters or 3 inches, and 1 to 7 layers of sieves can be stacked to achieve simultaneous classification of multiple particle sizes.

The Sieve Principle of the Sonic Sieve Shaker for Metal Powder Testing

The Sonic Sieve Shaker for Metal Powder Testing operates differently from traditional mechanical shaking. It does not rely on a motor to drive the sieve frame through violent physical impact or reciprocating rotation. Instead, it uses a built-in sound wave generator to produce vibrations at a specific frequency. This vibration drives the air column inside the sieve tower to fluctuate up and down. Imagine that the metal powder on the sieve isn't being "shaken," but rather rhythmically bouncing up and down driven by the air. This pulsation caused by changes in air pressure causes the powder accumulated on the sieve surface to repeatedly rise and fall. In this way, fine powder can smoothly pass through meshes slightly larger than itself without generating excess heat or static electricity due to physical friction, thus solving the problem of fine powder being difficult to pass through the sieve.

What are the advantages of the Sonic Sieve Shaker for Metal Powder Testing?

The Sonic Sieve Shaker for Metal Powder Testing demonstrates the following benefits in metal powder testing:

Reduced clogging: Due to the reciprocating motion of the air column, particles are always in a dynamic suspension state, reducing the chance of them getting stuck inside the mesh and increasing the sieving speed.

Protecting powder shape: The sphericity or particle morphology of metal powder has a significant impact on subsequent processing. Sonic sieving is a gentle process, avoiding powder breakage or deformation that may be caused by mechanical impact.

Stable Time Control: The digital control panel allows users to set specific vibration intensity and test time, ensuring consistent operating conditions for each experiment and facilitating data comparison across different batches.

High Adaptability: Whether it's dry spherical aluminum powder or irregularly shaped titanium alloy powder, a suitable passage method can be found by adjusting the acoustic wave amplitude.

Sonic Sieve Shaker for Metal Powder Testing Particle Size Table

Mesh	Micrometer (μm)	Common Metal Powder Type Examples
50	300	Coarse iron powder, coarse aluminum particles
100	150	Copper powder for filtration, conventional casting powder
200	75	Coating metal powder, partially pressed powder
325	45	Common lower limit for 3D printing (SLM)
400	38	Fine titanium powder, high-end spraying powder
500	25	Microfine nickel powder, electronic paste powder
635	20	Ultra-fine powder for precision sintering
--	5 - 10	Limit micropowder recommended for ultrasonic sieving detection

Application Scenarios of Sonic Sieve Shaker for Metal Powder Testing

Sonic Sieve Shaker for Metal Powder Testing plays a role in multiple industrial and research fields. In the 3D printing industry, manufacturers need to perform particle size analysis on recycled metal powders to remove oversized particles to prevent printhead clogging. In aerospace materials research and development, researchers use it to subdivide nickel-based superalloy powders to obtain experimental samples with specific distributions. Furthermore, in powder metallurgy, pharmaceutical powder research and development, and abrasive production lines, this equipment is a common laboratory setup whenever fine powder detection below 45 micrometers is involved. It helps technicians determine whether raw materials meet production standards, providing data support for process improvement.

When selecting a suitable Sonic Sieve Shaker for Metal Powder Testing, your specific testing needs should be considered. First, consider the amount of powder required for the test. If the sample size is large, the diameter and height of the sieve should be taken into account. Second, check if the equipment's amplitude adjustment range is large enough to handle metal materials of different densities. Finally, observe the availability of accessories, such as whether there is a soundproof enclosure to reduce noise or whether it supports the installation of sieves of different standards. Choosing a model that is easy to maintain and whose parts are easy to replace will reduce subsequent operating costs.