Metal cutting is the process of removing a layer of metal material from the surface of the raw material to create details according to the required shape and size on the drawing. This can be done through machine tools or by using conventional hand tools.

What is Metal Cutting and Trimming?

Metal cutting and trimming involve removing a layer of metal material from the surface of a metal sheet or blank to create parts with the desired shapes and sizes. This process is commonly carried out using machinery or cutting tools such as laser cutting machines, plasma cutting machines, CNC cutting machines, or handheld tools like saws and angle grinders.

Metal cutting and trimming are essential parts of the metal manufacturing process and are applied in various industrial fields, from automotive manufacturing to electronics production. This process helps create metal parts with high precision and durability.

Characteristics of Metal Cutting and Trimming

The characteristics of metal cutting and trimming include a combination of high surface quality and significant machining accuracy. This method produces metal parts with a high surface shine, suitable for applications requiring typical aesthetics. The diversity in cutting methods allows the production of various types of products, from complex machine parts to simple components. High productivity is another benefit of metal cutting and trimming, especially when applying reasonable machining methods.

The ability to process various surfaces on the same blank helps increase production efficiency. Moreover, high repeatability and easy application of mechanical and automated machining make this process efficient and flexible. Metal cutting and trimming account for the largest proportion in mechanical manufacturing, with the number of machine tools playing a decisive role in the production process.

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Current Methods of Metal Cutting and Trimming

Turning Method

Turning is one of the most common methods of metal cutting and trimming. It uses the rotational motion of the blank and the translational motion of the cutting tool, suitable for machining parts with rotary shapes.

Milling Method

The milling method is commonly applied to process parts with flat or complex curved shapes. The main motion is the rotation of the cutting tool, while the workpiece's motion is the translational movement.

Drilling Method

The drilling method uses rotational and translational motion along the axial direction to create holes from solid blanks, expand existing holes, or create threads for holes.

Grinding Method

This method uses the rotational motion of the grinding wheel and the translational motion of the workpiece and grinding wheel. The surface shine of the detail after grinding is very high, suitable for applications requiring high precision and high gloss.

Planing and Slotting Method

This method uses the translational motion of the cutting tool (with planing being horizontal and slotting being vertical) to machine flat surfaces or various types of grooves.

Broaching Method

The broaching method uses the translational motion of the cutting tool along with the tightly clamped workpiece to create holes with special shapes.

Conclusion

In summary, metal cutting and trimming are important and diverse methods in the metal industry. Applying these methods helps produce high-quality products with precision and diverse shapes, while increasing production productivity and efficiency.

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