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Metal Shearing

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What is metal shearing? Metal shearing is also known as sheet metal cutting. It is a cutting process in which a piece of sheet metal is separated or cut by applying a huge enough force that causes the material to fail. The process of shearing produces straight line cuts to separate any given piece of metal sheet. Most shearing operations are achieved by the action of 2 blades (a punch and a die); one stationary and the other move vertically. Materials that are commonly sheared includes:


1. Aluminium
2. Brass
3. Bronze
4. Mild Steel
5. Stainless steel


Shearing begins with the punch or blade presses against the sheet metal. Initially, cracks form in the sheet on both the top and bottom. As the punch plunges further, these cracks grow wider and eventually, the punch separates the sheet. Shape and quality of the sheared edge are determined by the clearance between the punch and the die. The optimum range for clearance is between 2 to 10% of the sheet thickness. This range will provide the best results. If the clearance were to increase beyond this, the sheet metal tends to be pulled towards the die, making the edges of the sheared area rougher. Th quality of the sheared edge is also affected by the punch speed. The greater the punch speed, the better the quality.


The machine which carries out the shearing process is called power shear. It can be operated manually by labourers or can use advanced modes like hydraulic, pneumatic, or electric power.


At CS, we use hydraulic guillotine shear machine to provide you with a fast and accurate metal cutting services. We can offer shearing services for various type of material such as:


Mild steel shearing services: Up to 10mm
Stainless steel shearing services: Up to 4mm
Aluminium shearing services: Up to 10mm


Call us now at 62656706 or drop us an email at admin@csmarine.com.sg for more information on our metal shearing services.

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Guest Monday, 20 May 2019

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