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    Causes of Air Leakage in Die Castings
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    1.  Gas porosity: Gas trapped from the mold cavity or entrained in the molten alloy creates interconnected internal voids, leading to leakage.2.  Shrinkage cavities/porosity: Solidification shrinkage creates interconnected internal microporosity; this is the most common source of leakage.3.  Cracks: Hot or cold cracks form continuous fissures.4.  Cold shuts/poor fusion: Inadequate merging of two molten aluminum streams leaves a gap or channel at the interface.5.  Slag inclusions/oxide skins: Poor bonding at impurity sites creates leakage paths.6.  Die-casting process: Insufficient pressure, improper filling speed, or inadequate dwell time results in a non-dense... Read more
    Preventing Oxidation of Aluminum Alloy Die-Castings in Summer
    Preventing Oxidation of Aluminum Alloy Die-Castings in Summer
    Causes: High temperatures and humidity in summer; water stains, mold release agent residues, chloride ions, and fingerprints. High-copper alloys (e.g., ADC12) are particularly prone to white spots, pitting, and blackening.... Read more
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    Four Key Advantages of Aluminum Alloy Die Castings
    Four Key Advantages of Aluminum Alloy Die Castings
    1. Lightweight and High StrengthSignificant weight reduction: Aluminum alloys have low density—being much lighter than steel or iron—which substantially reduces the overall weight of the product.Robust and durable: Despite being... Read more
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    Solutions for Surface Peeling on Aluminum Alloy High-Pressure Die Castings After Shot Blasting
    Solutions for Surface Peeling on Aluminum Alloy High-Pressure Die Castings After Shot Blasting
    Solutions1. Die-Casting Stage (Root Cause Resolution)Measure    Specific ActionEliminate surface cold shuts    Reduce slow shot speed to 0.15–0.25 m/s; adjust the fast-shot switchover point to prevent premature splashing of... Read more
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    Causes of Peeling/Flaking in Aluminum Alloy High-Pressure Die Castings After Shot Blasting
    Causes of Peeling/Flaking in Aluminum Alloy High-Pressure Die Castings After Shot Blasting
    Key Characteristics The surface appears normal prior to shot blasting, with peeling or flaking becoming visible only afterward. Fundamentally, this indicates a subsurface delamination defect; the impact force of the... Read more
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    Learn professional skills, deliver superior quality
    Learn professional skills, deliver superior quality
    When it comes to uncompromising quality, Yinxu is absolutely serious! Since May 23rd—when we welcomed a senior external die-casting expert to our facility—a technical whirlwind, born from the dynamic collision... Read more
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    Upholding Craftsmanship, Walking Together in Health: Weifang Yinxu Machinery Manufacturing Co., Ltd. Successfully Completes Its 2026 Annual Company-wide Health Examination
    Upholding Craftsmanship, Walking Together in Health: Weifang Yinxu Machinery Manufacturing Co., Ltd. Successfully Completes Its 2026 Annual Company-wide Health Examination
    Published: May 15, 2026 Source: Weifang Yinxu Machinery Manufacturing Co., Ltd. Master Craftsmen, People-Centered. To further enhance its employee welfare system and safeguard the occupational health of its frontline workers,... Read more
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