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What is the working principle of crocodile shearing machine

Crocodile shearing machine is a type of metal processing equipment that can cut materials such as scrap metal, steel plates, aluminum alloys, etc. The following is a detailed introduction to crocodile shearing machine:

  • Definition and Working Principle
  • Crocodile shearing machine is a machine tool driven by hydraulic pressure, which is generated by a hydraulic pump. Under the control of an electromagnetic directional valve, the hydraulic cylinder is lifted and retracted, and the shearing action is completed using the lever principle. Its working principle is similar to the opening and closing of a crocodile’s mouth, hence its name. Specifically, when the workpiece is placed on the shearing machine, the frame will clamp the workpiece to maintain its stability, and the piston in the hydraulic cylinder will clamp the workpiece with the clamping knife. Then, the moving blade is controlled by the piston in the hydraulic cylinder, and the hydraulic system provides pressure to the piston through the hydraulic pump, causing the piston to move downward. The gap between the blade and the fixed blade becomes smaller, achieving the cutting operation. Finally, the hydraulic control system will reduce the pressure of the hydraulic oil in the hydraulic cylinder, causing the piston to return to its original position and the gap between the blades to increase, thereby releasing the clamping force on the workpiece.
Gantry shearing machine

According to different purposes and specifications, there are various models of crocodile shearing machines, such as small crocodile type metal shearing machines, vertical gantry shearing machines for cutting scrap vehicle steel plates, and fully automatic hydraulic crocodile shearing machines for scrap steel. The crocodile shearing machine is mainly composed of a frame, hydraulic cylinder, cutting blade, guiding device, and control system. Among them, the rack is used to support the entire equipment and maintain its stability; Hydraulic cylinder is a key component that provides power; The cutting blade is the main component that performs cutting actions.

Gantry shearing machine
  • Characteristics and advantages
  • Powerful Shear Force: The hydraulic system used in the crocodile shearing machine can provide extremely strong shear force, easily handling steel of various thicknesses and hardness, and has a wide range of shearing capabilities.
  • Flexible and adjustable: Through hydraulic transmission and computer control system, users can adjust the cutting force and speed according to their needs, achieve cutting, improve production efficiency and processing quality.
  • Multiple safety guarantees: The crocodile shearing machine is equipped with multiple safety protection devices, such as overload protection, hydraulic locking function, etc., to ensure the safety of personnel and equipment during operation.
  • Strong adaptability: The crocodile shearing machine is small in size, light in weight, and easy to move, suitable for various occasions such as factory workshops, steel structure factories, shipbuilding, bridge construction, etc.
  • Energy saving and environmental protection: The optimized design of hydraulic systems and energy-saving motors reduces energy consumption, in line with the green development concept of modern industrial production.
  • Application and Prospect
  • Crocodile shearing machines are widely used in the field of metal sheet cutting and processing, such as steel structure manufacturing, automotive parts production, home appliance industry, etc. With the continuous advancement of industrial technology and the increasing market demand, crocodile shearing machines will be further improved in terms of performance, efficiency, safety, and other aspects. At the same time, with the increasing awareness of environmental protection and the promotion of green production concepts, crocodile shearing machines will also receive more attention and improvement in energy conservation, consumption reduction, and pollution reduction.
  • At the same time, Zhengzhou Fude Machinery Equipment Co., Ltd. produces a complete set of metal compactors, shredders, cake presses, and shearing machines for the treatment of waste metals. Please feel free to inquire.
Gantry shearing machine
Double axis shredder
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