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What are the common problems in aluminum profile processing ?
January 10, 2025
To solve the problem of aluminum profile processing, it is necessary to strictly follow the operating procedures, improve operational skills and experience, ensure smooth production, and at the same time, develop new processing technologies, optimize existing processing processes, reduce defect rates, and improve production efficiency.
The common problems in aluminum profile processing include the following aspects:
Deviation in contour deviation: This is mainly caused by changes in curvature rebound of the bending mold, unstable material of various batches of metallurgical extruded profiles, and excessive changes in bending curvature radius. It is necessary to adjust the curvature of the mold contour to make the profile contour of the stretched part match the contour template or inspection mold as much as possible.
Surface defects: This includes problems such as cracks, shrinkage wrinkles, concave curved surfaces, and side sagging after bending the profile. These may be caused by high tensile forces or inadequate edge stress, and need to be solved by improving the cross-sectional area of the profile or adjusting the tension.
Twisting after bending: This is mainly caused by asymmetric cross-sectional area and unbalanced stress between the edge closing and releasing of the profile. It can be improved by increasing the tension of the profile and adding a vertical pushing cylinder before the bending mold.
Verticality deviation: This is mainly caused by asymmetric cross-sectional area and unbalanced stress between profile edge closing and releasing. The curvature change of the bending mold can be adjusted to improve it.
Process length of profiles: This involves people who meet the forming state of bent parts. While reducing the workload of calibration processes, safety production is the primary concern for cost reduction in production. When determining the length of profile blanks, the effective use of molds should be minimized as much as possible
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