What is a Reciprocating Screening Machine？

Reciprocating Screening Machine Core Working Principle

• The screen box (which holds the screen surface) is driven by a power system (usually a motor + crankshaft connecting rod mechanism) to perform reciprocating linear motion (back-and-forth movement) at a certain frequency and amplitude.
• When materials are fed onto the inclined screen surface, the reciprocating motion pushes the materials to move forward along the screen surface.
• During the movement, particles smaller than the screen mesh fall through the mesh (called “undersize” or “screen underflow”), while particles larger than the mesh continue moving forward and are discharged from the end of the screen (called “oversize” or “screen overflow”), thus completing the screening process.

Reciprocating Screening Machine Key Structural Components

• Screen Box: The main body that carries the screen surface, usually made of steel plates for high structural strength.
• Screen Surface: The core component for classification, commonly made of materials like steel wire mesh, punched steel plates, or synthetic fiber mesh. Its mesh size is determined by the required particle size of the screened material.
• Drive Mechanism: The power source for reciprocating motion, typically composed of a motor, reducer, crankshaft, and connecting rod. It converts the motor’s rotational motion into the screen box’s linear reciprocating motion.
• Support & Damping System: Includes springs or rubber damping components. It supports the entire machine and reduces vibration transmission to the ground, ensuring stable operation and reducing noise.

Reciprocating Screening Machine  Main Application Fields

• Agriculture: Screening seeds (to remove impurities and classify seed sizes), granular fertilizers (such as separating qualified organic fertilizer particles from unqualified fine powder or lumps), and grain (to filter out debris).
• Mining & Metallurgy: Separating mineral ores (e.g., screening crushed iron ore, coal, or non-metallic minerals into different grades) and classifying metal powder.
• Chemical Industry: Screening granular chemical products (like plastic particles, catalyst particles) and removing impurities from powdery raw materials.
• Building Materials: Classifying sand, gravel, cement clinker, and other aggregates to ensure the particle size meets construction requirements.

Reciprocating Screening Machine Typical Advantages

• Gentle Material Handling: The reciprocating motion is relatively smooth, which causes less collision and wear to fragile materials (e.g., some agricultural products or brittle chemicals), reducing material damage.
• Stable Screening Efficiency: The linear motion ensures uniform material distribution on the screen surface, minimizing the risk of “screen blocking” (compared to some high-vibration screens) and maintaining consistent screening accuracy.
• Simple Structure & Easy Maintenance: It has fewer complex components, so daily inspection, screen surface replacement, and parts maintenance are more convenient, with lower maintenance costs.

Suppliers of Pulse Reciprocating Screening Machine：
Jinhua Machinery Provides High Quality And Effective Fertilizer Manufacturing Equipment, Straw Processing Equipment, Waste Processing Equipment, And Mining Equipment.If you are looking for fertilizer-making machines and production lines, feel free to contact us.Tel：0811-8185429 011-820-8086 E-mail：jinhuaindonesia@gmail.com