Industrial vibrating screen manufactured by Mohammadi Machine Industries

Controlled classification of stone, sand and aggregate

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Mohammadi Machine Industries Products

Vibrating Screen

Name: Vibrating Screen
Brand: Mohammadi Machine Industries

The Mohammadi vibrating screen separates dry or wet material into controlled size fractions across one or more screening decks. Screen area, deck count, aperture, vibration system, inclination and structural arrangement are selected around the feed grading, capacity and required products.

Accurate multi-size classification

Single or multiple deck design

Replaceable screening media

Dry or wet screening configuration

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Technical Product Overview

What is a vibrating screen and what does it do?

A vibrating screen classifies material after crushing or before a selected process stage. Particles smaller than each aperture pass through the screening surface, while larger material continues to a separate discharge. Oversize can return to a Cobit HS crusher or Hydrocone crusher in a closed circuit.

Selection requires the complete feed-size distribution, moisture and clay content, bulk density, desired cut sizes and hourly rate. Screening area and media must provide enough probability of separation without excessive bed depth, blinding or structural stress.

Screening efficiency is not determined by aperture alone. Feed distribution, bed depth, moisture, vibration, inclination and available screen area must work together.

Final Product SizingSeparates aggregate into saleable or process-specific size fractions.

Closed-Circuit CrushingReturns oversize material while releasing correctly sized product.

Pre-ScreeningRemoves fines before a crusher to reduce unnecessary load.

Wet ScreeningSupports classification with spray water when the process requires it.

Key Advantages

Main advantages of an industrial vibrating screen

Performance depends on selecting the screen body, drive, decks and media for the actual feed and separation duty.

Multiple Products

One or more decks can create several controlled size fractions.

Replaceable Media

Screen panels or meshes can be changed for wear or a new product cut.

Stable Vibration

The drive arrangement is selected to distribute material and promote stratification.

Serviceable Design

Access to media, springs, bearings and drive components supports routine maintenance.

Operating Process

How does a vibrating screen work?

Material enters the feed end and is distributed across the screening surface. The vibrating motion lifts, advances and stratifies the bed. Fine particles reach the apertures and pass through, while coarser particles travel to the end discharge or the next deck.

Feed DistributionMaterial is spread across the usable screen width at a controlled rate.

Vibration and StratificationMotion separates the particle bed and moves fines toward the apertures.

Size SeparationParticles smaller than each opening pass to the lower deck or discharge.

Separate DischargesEach retained or passing fraction leaves through its assigned chute.

Project-Specific Configuration

Technical specifications and options for vibrating screens

Final specifications are determined from feed analysis, required cut sizes, capacity, moisture, installation space and duty cycle.

Screening Duty: Dry or wet classification, scalping or closed-circuit screening
Deck Configuration: Single or multiple decks according to required product fractions
Screen Area: Sized for capacity, feed grading and target efficiency
Screening Media: Mesh, perforated plate or modular media selected for application and wear
Aperture Sizes: Specified from required product cuts and media type
Vibration System: Exciter and drive selected for screen mass and process duty
Mounting and Chutes: Springs, supports, feed box and discharge chutes matched to the layout

Selection and Purchase Guide

What information is needed to select a vibrating screen?

The full particle-size distribution is more useful than only the largest feed size and allows a reliable screen-area calculation.

Feed Grading

Provide the percentage of material in each relevant size range.

Required Cut Sizes

Define every final fraction and acceptable separation tolerance.

Moisture and Clay

Identify sticky material that may blind or peg the screen media.

Capacity and Layout

State throughput, available footprint, feed height and discharge positions.

Maintenance and Operation

How to maintain a vibrating screen

Routine inspection of screening media, supports and the vibration system helps preserve separation efficiency and prevents fatigue damage.

Inspect screen media for tears, wear, blinding and loose tension

Check springs, isolation mounts and structural fasteners

Monitor bearings, lubrication, drive temperature and unusual noise

Keep feed distribution even across the full screen width

Inspect the screen body for cracks and correct abnormal vibration promptly

Frequently Asked Questions

Frequently Asked Questions About Vibrating Screen

Concise answers to important questions about selection, operation, maintenance and quotation.

The number of decks is selected from the number of required product fractions, available space, feed grading and capacity.

Yes, a wet-screening configuration can be designed with suitable media, spray arrangement and water-discharge management.

Moisture, clay, near-size particles, unsuitable aperture shape, low motion and excessive bed depth can block screen openings.

Capacity depends on screen area, feed grading, bulk density, moisture, cut size, required efficiency and operating conditions.

Screen dimensions, number of decks, media, vibration drive, motor, structural frame, chutes and wet-screening options determine the price.