行业组件数据 · 2026

金属外壳/主体

Metal shell/body is a protective housing component in igniters that provides structural integrity, heat dissipation, and electrical insulation.

技术定义与适配语境
典型 金属外壳/主体 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 metal shell/body in an igniter serves as the primary structural enclosure that houses internal ignition elements such as electrodes, insulators, and wiring. It functions to protect sensitive components from environmental factors (moisture, dust, mechanical impact), dissipate heat generated during spark generation, provide electrical grounding pathways, and maintain precise alignment of internal parts for consistent spark performance. Typically manufactured through precision stamping, casting, or machining processes with strict dimensional tolerances.

组件规格

定义
The metal shell/body in an igniter serves as the primary structural enclosure that houses internal ignition elements such as electrodes, insulators, and wiring. It functions to protect sensitive components from environmental factors (moisture, dust, mechanical impact), dissipate heat generated during spark generation, provide electrical grounding pathways, and maintain precise alignment of internal parts for consistent spark performance. Typically manufactured through precision stamping, casting, or machining processes with strict dimensional tolerances.
工作原理
The metal shell acts as both a protective barrier and functional component by: 1) Containing high-voltage electrical discharge within designated spark gaps, 2) Conducting heat away from ignition points to prevent overheating, 3) Providing electromagnetic shielding to prevent interference with adjacent electronics, 4) Maintaining mechanical stability during vibration and thermal cycling through rigid construction.
材料
Common materials include: Stainless steel (AISI 304/316 for corrosion resistance)Aluminum alloys (6061-T6 for lightweight applications)Cold-rolled steel with zinc plating (for cost-effective solutions)Nickel alloys (for high-temperature environments). Material thickness typically ranges 0.8-2.0mm depending on application requirements.
Length
15-60mm
Diameter
8-25mm
IP Rating
IP67 minimum
Thread Type
M10x1.0 to M18x1.5
Voltage Rating
Up to 40kV
Wall Thickness
0.8-2.0mm
Temperature Range
-40°C to 900°C
标准
ISO 8854DIN 72552SAE J548IEC 60079

行业分类与别名

金属外壳/主体 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 corrosion due to environmental exposure->Reduced structural integrity leading to component failure->Use corrosion-resistant materials (stainless steel/nickel plating) and protective coatings
Thermal stress from repeated heating/cooling cycles->Cracking or deformation affecting spark gap alignment->Implement thermal expansion compensation designs and use materials with matched coefficients
Vibration-induced mechanical fatigue->Loosening of internal components or shell cracking->Add vibration-damping features and conduct rigorous vibration testing during design validation

工业生态与工程逻辑

0
Corrosion in humid environments
1
Thermal expansion mismatch
2
Electromagnetic interference
3
Mechanical fatigue from vibration
4
Improper grounding leading to electrical hazards

合规与检测

tolerance
±0.05mm for critical dimensions, ±0.1° for angular alignment
test method
Pressure testing (5 bar minimum), High-voltage dielectric testing (40kV for 60 seconds), Thermal cycling (-40°C to 300°C for 100 cycles), Salt spray testing (500 hours per ASTM B117)

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 metal shell in igniters?

The metal shell provides structural protection, heat dissipation, electrical insulation, and maintains precise component alignment for consistent spark generation.

Can different metal materials be used for igniter shells?

Yes, material selection depends on application requirements: stainless steel for corrosion resistance, aluminum for lightweight needs, nickel alloys for extreme temperatures.

How does shell design affect igniter performance?

Shell dimensions, wall thickness, and material conductivity directly impact heat dissipation, spark consistency, electromagnetic interference shielding, and durability.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 金属外壳/主体

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URN:CNFX:ME:UNIT:METAL_SHELL_BODY