Types of industrial shears and their uses

If your factory or workshop handles heavy sheets that require cutting, in most cases, the best tool for the job is an industrial shear. These machines allow you to cut metals of different thicknesses quickly and easily, with minimal effort from the operator. Among the types of metal shears, hydraulic shears stand out for their ability to further reduce the effort required, making them essential tools in the industrial sector. 

Classification of Shears 

Shears can be classified according to their operation and method of use, allowing you to choose the right tool depending on the specific needs of your project. 

Mechanical Shears 

This type of metal cutting shear is widely used in metal construction. Its operation is similar to that of a pair of scissors: using a lever and a fixed arm, two cutting edges press together to cut through tough materials. 

Mechanical shears are characterized by: 

• Ease of use for cutting hard materials such as metal. 
• Control over the applied pressure, preventing material damage. 
• Ability to make precise cuts on thicker sheets. 

Hydraulic Shears 

Hydraulic shears use pressurized gas or oil to exert force on the metal, making them ideal for cutting metal sheets, plastic, and, in some cases, wood. 

There are two main types of hydraulic shears: 

• Guillotine hydraulic shear: The most precise and fastest, perfect for cuts requiring high rigidity and speed. 
• Swing beam hydraulic shear: Provides efficient cutting for standard industrial applications. 

Hydraulic shears allow for pressure adjustment according to the material’s requirements, offering great versatility and making them a preferred choice for demanding industrial tasks. 

Manual and Automatic Shears 

Another classification of shears is based on their operation method: 

Manual Shears: These tools are ideal for smaller or more specific projects. Among the most common types are: 

• Manual industrial shear: Designed to cut metal sheets using vertical pressure. 
• Manual metal shear: Perfect for working with thin metals. 
• Manual trimmer: Ideal for gardening and trimming shrubs and trees. 

Automatic Shears: These shears are designed for larger and more complex tasks. Examples include: 

• Roller shear: Used for long and precise cuts on materials like paper or thin sheets. 
• Automatic guillotine shear: A versatile tool for cutting metal sheets of various sizes. 

How to Choose an Industrial Shear? 

Selecting the right shear depends on the project’s requirements. Here are some key factors to consider: 

• Material Type: Identify whether the material to be cut is metal, plastic, or wood, to determine if you need a mechanical, hydraulic, or manual shear. 
• Sheet Thickness: Hydraulic shears are more effective for cutting thicker sheets, while manual shears are better suited for thinner materials. 
• Type of Cut Needed: Guillotine shears are ideal for straight and precise cuts, while roller shears are better for long, detailed cuts. 
• Available Budget: If you’re looking for a more affordable option, consider second-hand shears, which can offer excellent performance at a reduced cost. 

Parts of an Industrial Shear 

Understanding the main components of an industrial shear is essential to ensure proper operation and maintenance: 

• Cutting edges: Responsible for making precise and clean cuts on the material. 
• Lever or hydraulic system: Provides the force required for the cutting process. 
• Base or frame: Ensures the machine’s stability during operation. 

Regular maintenance of these components ensures optimal performance and extends the shear’s lifespan. 

Safety When Using Industrial Shears 

Using industrial shears involves risks that must be properly managed. According to the National Institute for Occupational Safety and Health, the main risks include entrapment and hand injuries. 

Safety Recommendations 

• Install adjustable guards: Place protective barriers in hazardous areas, such as the contact points between the blades. 
• Train personnel: Ensure operators are trained in the safe use of the machinery. 
• Avoid direct contact: Use auxiliary tools to position the sheet, reducing the risk of accidents. 
• Preventive maintenance: Perform regular inspections to ensure all parts of the shear are in optimal condition. 

Industrial shears are essential tools for making precise cuts on various materials. Whether you need a manual metal shear, a hydraulic shear for more demanding tasks, or a guillotine shear, it’s important to understand the different types and how they suit your specific needs. 

At Maquinaria Barriuso, we are experts in industrial machinery and can help you select the best shear, whether new or second-hand. Contact us for personalized advice!