How to Configure and Use CNC Guillotine Shearing Machine

Guillotine shearing machines are the world’s most commonly used manual cutting equipment.

What is a Guillotine shearing machine?

Guillotine shearing machines are used to cut sheet, plate, and bar material. The machine has a blade, back gauge, and adjustable movable fence. It is also equipped with a table to hold the material being cut.

A CNC guillotine shearing machine is divided into two main types: flatbed and rocking bed models. Both types use the same blade mechanism but differ in blade design, tooling arrangement, and process control reliability.

Adjusting the Shearing Angle of the Blade

The shearing angle of the blade is the angle between the blades. It can be adjusted to match various materials. The shearing angle should be set according to the material’s thickness, making your cutting process more efficient and accurate.

The shearing angle is measured in degrees, with the most common being 0°, 22.5°, 45°, and 90°. The 0° setting is used for soft materials like plastic or rubber, while 45° is best suited for metals and other hard materials.

Adjustment of the Back Gauge

The back gauge is a movable plate that is used to hold the workpiece. It should be adjusted to be parallel to the blade and at the same height as the blade. This will ensure that your material is not bent when you cut it.

Adjusting your back gauge can be done by loosening or tightening screws in front of and behind your machine (called feed rollers). If there are no screws here, then use an adjustable wrench or pliers and turn them counterclockwise until they stop turning. Just slightly tighten up everything again using another tool like a screwdriver or wrench.

Adjustment of the Clearance Between Blades

Adjusting the clearance between the blades is crucial in using a guillotine shearing machine. The clearance between the blades is the distance between their edges, which determines how much metal can be separated by each stroke of your guillotine machine.

The thickness of your material will determine what range of clearances you should use for cutting it. If you are cutting thin pieces of metal, for example, then you’ll need to have almost no clearance at all; if you are working with thick pieces (or any material that requires multiple passes through your blade), then more clearance is needed so that less material is wasted on each pass.

To adjust this setting on your guillotine shearing machine:

Operating Precautions for Guillotine Shearing Machine

To avoid injury, you should always wear a safety helmet and goggles when operating the guillotine shearing machine. Additionally, wearing gloves is important, and ensuring your clothes are not loose-fitting or dangling jewelry. You should also avoid sandals or flip-flops, as they can get caught in the blade and cause serious injury if the blade swings free.

Uses of Guillotine Shearing Machine

The guillotine shearing machine is useful in cutting sheet metal, plastic, rubber, wood, and other materials. It can also be used for cardboard, paper, and stainless steel.

The guillotine shearing machine is ideal for any industry that needs to cut metals, plastics, or other materials quickly and precisely. These machines are used by manufacturers of auto parts and appliances as well as manufacturers of clothing and apparel.


A guillotine shearing machine is a cutting tool that has many uses. It can be used to cut materials like metal, wood, and plastic. The main advantage of using a guillotine shearing machine over other types of machines is that it provides accurate cuts without affecting the integrity or quality of the material being processed. It also saves time and cost compared to conventional methods like sawing or drilling holes into solid materials.


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