Vibrating screen for stainless steel powder uses high-frequency vibration to separate stainless steel powder of different particle sizes and remove impurities. Its processing capacity varies depending on the model, with standard models handling 0.5 to 15 tons of material per hour. The machine body is made of 304 or 316 stainless steel, and the parts in contact with the powder are mirror-polished to prevent stainless steel powder from adhering and contaminating the equipment. Food-grade silicone or polyurethane sealing rings are used for sealing, ensuring fully enclosed operation and preventing fine powder from escaping. It is also equipped with bouncing balls or ultrasonic screen cleaning devices to prevent screen clogging and maintain stable screening efficiency.

The vibrating screen for stainless steel powder is specifically designed to address the characteristics of stainless steel powder. Stainless steel powder is particularly prone to static electricity during screening, which can cause powder to clump and stick to the equipment, affecting screening accuracy. Therefore, the equipment is equipped with grounding devices on the screens and an anti-static coating. Some models also include ionizers to neutralize the charge and ensure smooth powder screening. The equipment features a gradually expanding or tangential feeding port design, ensuring the powder is evenly distributed on the screen surface, preventing localized material accumulation. Some models also include a rotating distributor for even more uniform distribution. For anti-clogging, in addition to a standard screen cleaning device, it incorporates an automatic screen tension monitoring system for real-time adjustment. Combined with 1-5 layer multi-layer screens, it can classify multiple particle size ranges in a single pass. The screen body is a fully enclosed structure with flexible connections at the inlet and outlet, and is equipped with a negative pressure suction system, meeting cleanroom standards.

| Model |
Diameter (mm) |
Feeding Size (mm) |
Frequency (RPM) |
Layers |
Power (kw) |
Capacity (kg/h) |
| DH-400 | 400 | <10 | <1500 | 1-5 | 0.18 | 100 |
| DH-600 | 600 | 0.25 | 200 | |||
| DH-800 | 800 | 0.55 | 500 | |||
| DH-1000 | 1000 | 0.75 | 800 | |||
| DH-1200 | 1200 | 1.1 | 1200 | |||
| DH-1500 | 1500 | 1.5 | 1800 | |||
| DH-1800 | 1800 | 2.2 | 2000 |
In the production of stainless steel powder, the vibrating screen for stainless steel powder can be used for initial screening after raw material crushing, and can also perform precision testing of the finished powder, controlling the basic quality of the powder. In the metallurgical industry, it is suitable for the grading and sorting of stainless steel alloy powder, ensuring the uniformity of powder particle size. In the machinery manufacturing field, it is used for the pretreatment of raw materials for stainless steel powder metallurgical products, removing coarse particles and impurities from the powder, resulting in purer raw materials. In the 3D printing industry, this vibrating screen can perform high-precision sieving of stainless steel powder for printing, meeting the particle size requirements of 3D printing, and further ensuring uniform particle size, thereby guaranteeing the quality of 3D printed parts.

Given the characteristics of stainless steel powder, the vibrating screen for stainless steel powder offers unique solutions in impurity removal, grading, and explosion-proofing.
For impurity removal, the equipment adopts a three-layer sealed structure to prevent external impurities from entering. The screen and frame are seamlessly connected, and a powerful magnetic separation device, such as magnetic rods and frames, adsorbs ferrous impurities in the powder. Regarding grading accuracy control, by adjusting the angle of the eccentric block of the vibrating motor, the amplitude can be precisely controlled between 0.5-5mm to adapt to the grading requirements of powders with different particle sizes. The screen is tensioned and fixed with ring clamps or bolts to ensure a flat screen surface and more accurate grading. Considering the explosion risk of fine stainless steel powder, the equipment is designed with explosion-proof safety features. It can be equipped with an explosion-proof motor, an anti-static grounding system, an inert gas protection interface, and explosion relief diaphragms. The control box also meets explosion-proof standards, ensuring safe operation in flammable and explosive environments.

The vibrating screen for stainless steel powder can be adjusted according to the characteristics of the stainless steel powder during use. During operation, the feed rate should be controlled to not exceed 2/3 of the screen surface area. Run the machine idle for 1-2 minutes before starting, and empty the screen surface before stopping to reduce equipment wear. The stainless steel powder vibrating screen solves the problems of impurity removal and grading in stainless steel powder production. Simultaneously, its anti-static, explosion-proof, and dustproof designs ensure the safety of the production process. From small-batch laboratory testing to large-scale industrial production, different models of equipment can be adapted to various scenarios, improving the production efficiency of stainless steel powder.
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