Scrap shearing is a prevalent method in the scrap processing and production industry, widely employed for handling various types of scrap. Compared to flame cutting, equipment-based shearing offers several advantages, including high mechanization, efficient operation, minimal scrap loss, and no air pollution. The primary function of scrap shearing equipment is to transform scrap in diverse forms into steel bars and blocks that meet specific requirements.
The main objective of scrap shearing is to supply qualified steelmaking feedstock for metallurgical production. The finished products after shearing must adhere to national scrap standards or enterprise-specific standards.
Scrap shearing is applicable in the following areas:
Shearing is among the earliest forms of scrap processing equipment. With advancements in the economy, science, and technology, it has evolved into computer-program-controlled hydraulic alligator and gantry shears, transitioning from crank connecting rod shears to floating eccentric shaft shears, and then to electric alligator or parallel shears.
There are numerous types of shears, each adapted to the characteristics of different scrap types. General-purpose shears are suitable for cutting various scrap steel, while specialized shears are designed for more professional varieties such as steel pipes, rails, reinforcements, and ship plates.
Scrap shearing machines serve as furnace charge processing equipment in factory casting workshops and metal cutting processing equipment in the mechanical construction industry. They are ideal for metal recycling and processing plants, scrap car dismantling yards, and renewable resource material recycling industries. They can handle various shapes, including color steel tiles, bicycle racks, motorcycle racks, scrap car sheets, hydraulic oil drums, refrigerator sheets, TV casings, angle steel, and channel steel.
These machines adopt advanced hydraulic drives, offering advantages such as compact size, light weight, low motion inertia, low noise, stable operation, flexibility, and large shear sections compared to mechanically transmitted shears.
Scrap shredders utilize the principle of high-speed hammering. Powered by a high-torque motor, the rotor's hammer heads take turns striking the scrap within the crushing chamber. The scrap is broken apart into specified sizes through the spaces formed between the plates and hammer heads. Subsequently, under the action of magnetic equipment, high-quality crushed material with high purity is obtained.
This production line is designed for processing waste motor rotors, waste car bodies, tinplate, household appliance products, bicycles, empty tanks, etc., transforming them into superior steel materials. The machine operates continuously, removing coating films, increasing volume proportion, preventing electric furnace explosions, and enhancing the metal recovery rate under certain conditions. By smashing the scrap, the machine removes coatings, raises density and dissolving capability, and eliminates material explosiveness, thereby providing excellent furnace charges for steel plants.
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