Industrial Vibro Sifter Machine for Powder Screening

The Industrial Vibro Sifter Machine for Powder Screening separates materials by particle size through mechanical vibration. This equipment handles a mesh range from 2 mesh up to 500 mesh, delivering a processing capacity from 100 kg/h to 5 tons per hour depending on the specific model diameter (ranging from 400 mm to 2000 mm). Built with SS304 or SS316L stainless steel for contact parts, it prevents material contamination during processing.

Industry Solutions & Material Applications

• Flour and Baking Production: Flour millers often face issues with insect eggs, clumping, or thread residue from packaging bags getting into the final line. This machine sieves out these foreign objects before packaging, maintaining product purity without slowing down the gravity-fed production line.
• Traditional Herb Grinding: Raw herbal powders frequently possess static charge and varying moisture content, which leads to mesh blinding. Equipped with an ultrasonic de-blinding system, this sifter breaks the electrostatic bonds, allowing sticky herb dust to pass through the screen smoothly.
• Metal Powder for Additive Manufacturing: 3D printing requires strict particle uniformity (often between 15 to 45 microns) and zero oxygen contamination. This machine uses an airtight argon gas purging design to sieve titanium or aluminum powders, preventing oxidation and isolating irregular oversized particles.

How Dahan’s Machine Operates with Stable Performance

Understanding the mechanical movement explains why Dahan's sifters maintain steady operation during continuous shifts without shifting or excessive vibration transfer to the workshop floor.

The equipment runs on a heavy-duty vertical vibration motor equipped with adjustable eccentric weights at both the top and bottom ends of the shaft. When the motor rotates, these weights transform the rotary motion into a three-dimensional movement: horizontal, vertical, and inclined. This force transmits directly to the screen frame assembly.

Technical Component Breakdown:

• The Suspension Springs: Heavy-gauge steel springs isolate the vibrating upper deck from the stationary base. This configuration absorbs residual horizontal forces, confining the movement strictly to the screen area and protecting the floor foundation from stress fractures.
• The Clamp Rings: Heavy-duty quick-release v-clamps lock the screen frames together. The precision-machined groove provides a gas-tight seal when paired with silicone gaskets, preventing dust leakage into the plant air.
• The Bouncing Balls: Located on a tray directly beneath the screen mesh, these solid silicone spheres bounce against the wire cloth during operation, knocking loose any particles wedged in the apertures.

Why Choose Dahan Machine

Purchasing industrial screening equipment requires an evaluation of long-term operational costs and maintenance speed. Dahan Machine focuses on three concrete engineering advantages:

1. 3-Minute Mesh Change Engineering: Standard industry sifters require tools and significant downtime to replace a torn screen. Dahan utilizes a clamp-band structure that allows a single operator to release the frame, lift the old ring, and drop in a pre-tensioned replacement mesh within 180 seconds.
2. Custom Electrical and Motor Configurations: Power grids vary globally. Dahan configures motors to match regional electrical profiles directly from the factory, supplying exact voltages such as 110V, 220V, 380V, 415V, or 440V at either 50Hz or 60Hz frequencies, alongside explosion-proof certificates for hazardous dust environments.
3. Factory-Direct Supply Chain: Operating as a direct manufacturing plant means Dahan manages the raw material procurement and machining in-house. This cuts out middleman distribution costs and provides buyers with original factory pricing and documented material test reports for every batch of stainless steel.

Mesh Size and Particle Diameter Reference Table

The following table assists technical engineers in matching standard mesh counts to exact linear aperture sizes in microns and millimeters:

Frequently Asked Questions

What is the average Vibro Sifter Machine Price?

The cost of an industrial vibro sifter ranges from $1,200 to $8,500 USD per unit. This pricing depends on the frame diameter (e.g., a 600 mm unit vs. a 1500 mm unit), the number of screen decks stacked for multi-stage separation, and material choices like standard SS304 or mirror-polished SS316L. Optional additions like ultrasonic de-blinding generators add to the final invoice. Contact the factory with your required hourly output for a written quotation.

How to choose the right Sieve Size for herbal or chemical powder?

To determine the correct aperture size, review your target particle size distribution chart (laser diffraction data). If your final specification requires all particles to rest below 150 microns, select a 100 mesh screen. For processing sticky powders, choose a mesh wire gauge with a thicker diameter to withstand the added weight, and incorporate a bouncing ball tray to prevent blinding.

How often should I replace the vibro sifter parts like the mesh?

Screen mesh life varies from 3 months to over a year based on material abrasiveness and operating hours. Sharp metal granules wear down wire cloth faster than soft food starches. Inspect the screen tension weekly; a sagging mesh indicates imminent failure. Replace the silicone seal gaskets every 6 months during deep cleaning cycles to prevent fine dust from escaping the frame joints.

Vibro Sifter Machine factory photos