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2023.02.14 · Shaoxing Lian Electric Co., Ltd.

What Causes Black Spots on Aluminum Die Castings

Quick Identification of Black Spot Sources in Aluminum Die Castings + Rapid Rectification Priorities

Die castings offer high precision, stable dimensions, good consistency and minimal machining allowance, and can reproduce threads, lines, text, graphics and symbols. Because the die-casting fill process always takes place under pressure, shapes such as peaks and valleys, bumps and recesses and narrow slots can all be cast clearly. As a result, die casting can produce very crisp threads, lines, text, graphics and symbols.

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