行业组件数据 · 2026

浇口

Gates are precision-engineered components in casting runner systems that control molten metal flow into molds.

技术定义与适配语境
典型 浇口 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Gates are critical components within precision casting runner systems that regulate the flow rate, direction, and pressure of molten metal as it enters the mold cavity. They serve as the final control point before the metal solidifies, ensuring proper filling, minimizing turbulence, and reducing defects like porosity and inclusions. Their design directly impacts casting quality, dimensional accuracy, and surface finish.

组件规格

定义
Gates are critical components within precision casting runner systems that regulate the flow rate, direction, and pressure of molten metal as it enters the mold cavity. They serve as the final control point before the metal solidifies, ensuring proper filling, minimizing turbulence, and reducing defects like porosity and inclusions. Their design directly impacts casting quality, dimensional accuracy, and surface finish.
工作原理
Gates operate by creating a controlled constriction in the runner system. As molten metal flows through, the gate's geometry (size, shape, and angle) manages velocity and pressure to ensure laminar flow into the mold cavity. This prevents turbulence, reduces air entrapment, and allows for directional solidification, optimizing material properties and minimizing shrinkage defects.
材料
Typically made from high-temperature-resistant materials such as ceramic (e.g.aluminazirconia)graphiteor refractory metals (e.g.molybdenumtungsten). Material selection depends on casting temperaturemetal type (e.g.steelaluminumtitanium)and required thermal stability.
Flow Rate
0.1-5.0 L/min
Gate Angle
30-90 degrees
Gate Length
5-50 mm
Gate Diameter
1-20 mm
Surface Roughness
Ra ≤ 1.6 μm
Operating Temperature
Up to 1600°C
标准
ISO 8062DIN 1688

行业分类与别名

浇口 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Impurities in molten metal->Gate clogging->Implement metal filtration systems and regular gate inspection/cleaning
Rapid temperature changes->Thermal cracking of gate material->Use materials with high thermal shock resistance and preheat gates gradually
Incorrect gate sizing->Turbulent flow or incomplete filling->Conduct flow simulation and adhere to design standards for gate geometry

工业生态与工程逻辑

0
Gate clogging due to impurities
1
Thermal shock leading to cracking
2
Erosion from prolonged metal flow
3
Incorrect sizing causing flow issues

合规与检测

tolerance
±0.1 mm on critical dimensions
test method
Dimensional inspection via CMM, flow testing using simulation software, and thermal cycling tests

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采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of a gate in casting?

The primary function is to control the flow of molten metal into the mold cavity, ensuring smooth, laminar flow to minimize defects and achieve high-quality castings.

How does gate design affect casting quality?

Gate design influences flow velocity, turbulence, and solidification patterns. Proper design reduces porosity, inclusions, and shrinkage defects, improving dimensional accuracy and mechanical properties.

What materials are commonly used for gates?

Common materials include ceramics (alumina, zirconia) for high-temperature resistance, graphite for thermal conductivity, and refractory metals like molybdenum for extreme conditions.

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CNFX Industrial Component Index · 机械和设备制造

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初步技术归类
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URN:CNFX:ME:UNIT:GATES