The processing details for alloy steel plates with a thickness of 1-12 mm must be formulated based on their material properties, thickness differences, and application scenarios to ensure processing accuracy, performance stability, and production efficiency. Below is a classified explanation of key processing details:

I. Cutting Processing

Plasma Cutting:
Suitable for medium-thick plates (6-12 mm). It uses a high-temperature plasma arc to melt metal and blow away slag, offering fast cutting speeds (10-50 mm/min) and high precision (±0.5 mm). It is ideal for mass cutting of straight lines or simple irregular parts. Attention should be paid to adjusting plasma gas flow (e.g., nitrogen-argon mixtures) and current parameters to avoid burrs or overheating deformation at the cut edges.

Laser Cutting:
Suitable for thin plates (1-6 mm), especially for high-precision cutting of complex shapes (e.g., precision parts, irregular holes). The cut edges are smooth (roughness Ra ≤12.5μm) with a small heat-affected zone (typically ≤0.1 mm), reducing the need for subsequent grinding. Laser power should be selected based on plate thickness (e.g., 500-1000W for 1-3 mm plates, 1000-2000W for 4-6 mm plates), and cutting speed must be controlled to prevent edge burning.

Shearing:
Mainly used for straight-line cutting of thin plates (1-4 mm). It separates materials through the shearing force of upper and lower blades, featuring high efficiency and low cost, making it suitable for mass cutting of standardized sizes (e.g., rectangular plates). Ensure blade sharpness to avoid edge curling or tearing due to blade wear; for high-strength alloy steel plates, high-hardness alloy blades are required.

 

 

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