News
2026-10-14
Laser Cutting Machine Maintenance: Care of Lenses, Nozzles, and the Optical System
The processing capability and operating cost of a laser cutting machine depend heavily on the level of daily maintenance. Of two identical machines, one may still cut with consistent quality after three years while the other suffers frequent incomplete cuts, rough edges, and power degradation. The difference is usually not the brand of the machine […]
Read More →2026-10-13
How to Select Self-Clinching Fasteners: Common Types, Sheet Thickness Matching, and Installation Requirements
In sheet metal fabrication there are three main ways to install fasteners: welded nuts, self-clinching fasteners, and rivet nuts. Among them, self-clinching fasteners have become standard on telecommunications cabinets, industrial control enclosures, and new-energy equipment because they install quickly, do not damage the surface coating, and provide consistent thread accuracy. However, many designers are unfamiliar […]
Read More →2026-10-13
Conductive Conversion Coating (Chromate) and Grounding Surface Treatment: A Key Process for Cabinet EMI Shielding
In telecommunications cabinets, industrial control enclosures, and new-energy equipment, sheet metal parts serve not only a structural function but also electromagnetic shielding and grounding continuity. However, aluminum naturally forms an oxide film in air, and after powder coating it becomes completely non-conductive. If the surface is not treated correctly, cabinet shielding fails and grounding resistance […]
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