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Cutting Skills at a Suzhou Sheet Metal Fabrication Plant

03-02

Metal cutting is an indispensable process in sheet-metal fabrication in the Suzhou region. Below, we will outline several generations of metal-cutting processes and provide a detailed analysis of their respective advantages and disadvantages, as follows:

First, wire electrical discharge machining (WEDM): it was developed on the basis of EDM piercing and forming.

The principle of molybdenum wire etching is a specialized metal-cutting method:

Advantages: high precision, low initial equipment investment, and the ability to cut metals of complex shapes.

Disadvantages: It is resistant to wear, but this becomes a drawback—particularly when cutting high-hardness metals such as stainless steel at low cutting speeds—making it unsuitable for large-scale machining.

2. Waterjet cutting at a Suzhou sheet-metal fabrication plant: high-pressure waterjet cutting of metals. Under computer control, it can perform intricate hard-material engraving and carving with virtually no material limitations.

Advantages: low initial investment, ability to cut a wide variety of complex workpieces, minimal product deformation (cold cutting), smooth cut surfaces, and no need for secondary machining.

Disadvantages: Requires large quantities of water and sand, high costs, severe environmental pollution, high equipment maintenance expenses, and metal plates used for cutting are prone to rust.

Suzhou Sheet Metal Fabrication Factory

3. Flame Cutting: This process involves cutting metal at the high temperatures generated during the combustion of iron oxide, and requires an assist gas.

Advantages: large processing capacity, low cost, and relatively low equipment costs.

Disadvantages: Due to its inherent cutting characteristics, high temperatures can easily cause deformation during cutting.

4. Laser cutting at Suzhou sheet-metal fabrication plants: A high-power-density laser beam is directed onto the material to be cut, rapidly heating it to its vaporization temperature and causing it to evaporate and form pores. As the laser beam moves across the material, a narrow kerf is created, thereby completing the cut.

Advantages: high precision (smooth cut deformation), high speed (adjustable based on laser power), high efficiency (enables the production of a single workpiece without the need for any intermediate processing steps), flexibility (when combined with CAD technology, it can support the mass production of highly complex parts), simple operation (parameter input allows the machine to perform cutting automatically and easily), and a broad market.

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