行业组件数据 · 2026

释放销/闩锁

A precision mechanical component in thermal release systems that disengages or releases mechanisms when specific temperature thresholds are reached.

技术定义与适配语境
典型 释放销/闩锁 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。

The Release Pin/Latch is a critical safety and control component within thermal release elements, designed to mechanically disengage connected systems or components when predetermined temperature conditions are met. This component typically consists of a pin, latch, or similar mechanism that holds components in position until thermal expansion, phase change materials, or temperature-sensitive actuators trigger release. It ensures controlled separation in overheating scenarios, preventing equipment damage and enhancing operational safety in industrial machinery.

组件规格

定义
The Release Pin/Latch is a critical safety and control component within thermal release elements, designed to mechanically disengage connected systems or components when predetermined temperature conditions are met. This component typically consists of a pin, latch, or similar mechanism that holds components in position until thermal expansion, phase change materials, or temperature-sensitive actuators trigger release. It ensures controlled separation in overheating scenarios, preventing equipment damage and enhancing operational safety in industrial machinery.
工作原理
Operates through thermal activation where temperature changes cause expansion, contraction, or phase transformation in materials, creating mechanical force that moves the pin or latch from its engaged position. Common mechanisms include bimetallic strips that bend with heat, shape-memory alloys that change configuration, or thermal wax actuators that expand. When the threshold temperature is reached, this force overcomes retention mechanisms (springs, detents), allowing the pin/latch to retract or shift, thereby releasing connected components.
材料
High-temperature alloys (stainless steel 316Inconel)bimetallic composites (steel/coppersteel/brass)shape-memory alloys (Nitinol)engineered polymers (PEEKPTFE for insulation)with surface treatments like nitriding or ceramic coatings for wear resistance.
Dimensions
Varies by application (typical: 5-50mm length)
Release Force
10-500 N
Operating Cycles
>10,000 cycles
Corrosion Resistance
IP67 equivalent
Temperature Tolerance
±5°C
Activation Temperature
50-300°C (customizable)
标准
ISO 13849-1DIN EN 60204-1ISO 12100

行业分类与别名

释放销/闩锁 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

Material degradation from repeated thermal cycling->Failure to release at designated temperature->Regular inspection and replacement schedules; use of fatigue-resistant alloys
Contamination (dust, oil) in mechanism->Sticking or delayed release->Protective enclosures; scheduled cleaning; sealed designs
Incorrect temperature calibration->Premature or late activation->Factory calibration verification; environmental compensation in design

工业生态与工程逻辑

0
Premature activation due to environmental factors
1
Material fatigue from thermal cycling
2
Corrosion in harsh environments
3
Incorrect installation affecting calibration

合规与检测

tolerance
±2% of activation temperature under controlled conditions
test method
Thermal cycling tests per IEC 60068-2-14, mechanical endurance tests, environmental exposure testing

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

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 Release Pin/Latch in thermal systems?

To automatically disengage mechanical connections when specific temperatures are exceeded, preventing equipment damage and ensuring operational safety.

How do you determine the appropriate activation temperature?

Based on the thermal limits of protected components, typically 10-20°C below critical failure temperatures, with consideration for environmental conditions and safety margins.

Can Release Pins/Latches be reset after activation?

Many designs are resettable (manual or automatic), while some are single-use; selection depends on application requirements and maintenance protocols.

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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:RELEASE_PIN_LATCH