Kobesh Machine
Kobesh Machine, with a distinguished track record and decades of continuous operational experience in the design and manufacture of advanced crushing equipment, has established itself as a key player and a leading manufacturer in the vital industries of mining and asphalt production. Our achievements extend beyond mere production; the successful installation of thousands of crushers worldwide is a testament to our unparalleled capabilities and our commitment to delivering industrial solutions.
From complex mining projects and road construction infrastructure to modern asphalt production plants, the name Kobesh Machine is synonymous with unmatched reliability, optimal performance, and the pinnacle of engineering excellence. We are proud to play a fundamental role in advancing large-scale industrial projects by providing powerful and dependable equipment, continuously redefining industry standards through ongoing innovation
Rotary trommel screen
Brief Product Description The Rotary trommel screen, also known as a Vibrating Screen or aggregate screen, is essential equipment in the mining, construction, and material processing industries. Its primary function is to separate materials based on particle size. These machines use vibrating or rotational motion to move materials across screen decks (mesh panels). Based on the mesh aperture size, materials are classified into different fractions (e.g., coarse, medium, fine). This process is crucial for controlling the quality of raw materials and final products.
Structural Features
- Main Body/Frame: A robust structure that supports the entire system.
- Screen Decks: Meshed panels (typically made of steel, polyurethane, or rubber) upon which materials are separated. A single machine can have one or multiple decks.
- Vibrating/Motion System: Includes shafts with eccentric weights or spring-and-actuator systems that generate the necessary vibratory motion.
- Drive System: Usually consists of an electric motor and pulleys/belts or a coupling to create motion.
- Feed and Discharge Boxes: Inlet and outlet chutes for material guidance.
- Suspension System: Includes metal or rubber springs that absorb vibrations and transfer motion upwards.
Mechanism of Operation
Raw material is fed into the top deck of the Rotary trommel screen via the feed chute. The drive system rotates the eccentric shafts, which creates vibrations with specific frequency and amplitude in the machine’s body and consequently in the screen panels. These vibrations cause the materials on the screen surface to bounce and move continuously. Finer particles that are smaller than the mesh aperture pass through to the lower deck (or as the fine final product). Coarser materials that cannot pass through the mesh remain on the screen surface and are directed to the coarse material discharge. This process repeats for all decks until the materials are separated into the desired sizes.
Build Specifications
- Screen Panel Material: Abrasion-resistant steel, stainless steel, polyurethane, rubber (depending on application and wear).
- Frame Material: High-strength carbon steel.
- Motor Type: Specialized vibrating motors or standard motors with eccentric shafts.
- Design: Optimized for maximum screening efficiency, high durability in harsh conditions, and ease of screen panel replacement.

Component Introduction
- Component Descriptions
- Main Frame: The supporting structure.
- Screen Panels/Meshes: The separation surfaces.
- Vibrating Shaft/Eccentric Weights: Generate the motion.
- Springs: The suspension system.
- Electric Motor: Provides the driving force.
- Pulleys and Belts: Power transmission system.
- Feed and Discharge Boxes: Material guidance.
We are a parts manufacturer, contact us for parts procurement As a manufacturer and supplier of critical spare parts for Rotary trommel screen, including abrasion-resistant screen panels (steel, polyurethane, and rubber), eccentric weights, robust springs, and structural components, we are ready to serve you. Ensuring the quality of these parts guarantees your machine’s longevity and significantly contributes to maintaining screening efficiency. For pricing inquiries, consultation, and to order your required parts, please contact us.
Projects
Our Rotary trommel screen have been successfully employed in a wide range of projects, including sand and gravel production plants for classifying construction aggregates, metal and non-metal mines for separating ore from waste, steel industries for sizing raw materials, and recycling projects for sorting construction debris. The ability to design machines with various deck configurations and screen aperture sizes allows for adaptation to the precise needs of each project. The optimized vibrating design, low energy consumption, and high wear resistance make our Rotary trommel screen a reliable and economical choice for enhancing the quality and efficiency of separation processes.
Kobesh Machine stands as a symbol of durability, high productivity, and secure industrial investment.
Contact Us
To receive tailored technical consultation, review high-capacity models, and select the most suitable solution aligned with the scale of your investment, please contact our executive team directly:
Sales Manager: +98 912 661 4519 — Alipour
R&D and Engineering Manager: +98 912 365 7790 — Alipour
Our specialists are ready to support you from technical evaluation to final equipment selection for large-scale and international projects.
Take control of crushing power—secure the future of your project.
