行业组件数据 · 2026

精密冲击底火杯体

High-precision cup body component for percussion primer systems requiring exact dimensional tolerances and material consistency.

技术定义与适配语境
典型 精密冲击底火杯体 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 Cup Body is a critical structural component in precision percussion primer systems, designed to contain and direct the explosive force during primer ignition. It functions as the primary housing that maintains primer alignment, withstands high-pressure combustion, and ensures consistent firing performance. This component requires exacting dimensional tolerances (±0.005mm), uniform wall thickness, and specific material properties to prevent deformation under repeated percussion forces.

组件规格

定义
The Cup Body is a critical structural component in precision percussion primer systems, designed to contain and direct the explosive force during primer ignition. It functions as the primary housing that maintains primer alignment, withstands high-pressure combustion, and ensures consistent firing performance. This component requires exacting dimensional tolerances (±0.005mm), uniform wall thickness, and specific material properties to prevent deformation under repeated percussion forces.
工作原理
The Cup Body operates by containing the percussion primer compound and transferring the impact force from the firing pin through its structure to initiate the primer. Its geometry directs the resulting flame front toward the main propellant charge while maintaining structural integrity under pressures up to 50,000 psi. The component's design ensures consistent primer seating depth and prevents gas leakage during ignition.
材料
High-strength brass alloy (C26000) with 70% copper30% zinctrace elements ≤0.15%. Hardness: Rockwell B 80-85. Grain structure: ASTM E112 grain size 8 or finer. Surface finish: Ra 0.4μm maximum.
height
3.81mm ±0.004mm
weight
0.85g ±0.02g
inner diameter
4.75mm ±0.003mm
outer diameter
5.56mm ±0.005mm
wall thickness
0.405mm ±0.002mm
pressure rating
50,000 psi burst strength
volume capacity
0.12cm³
operating temperature
-40°C to +200°C
标准
ISO 9001:2015ISO/IEC 17025SAE AS9100MIL-STD-1913

行业分类与别名

精密冲击底火杯体 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 alloy inconsistency->Premature cracking under pressure->Implement batch material certification with spectrographic analysis and hardness testing for every production lot
Dimensional tolerance drift->Primer seating depth variation causing misfires->Automated optical measurement systems with SPC monitoring and tool wear compensation algorithms
Surface contamination->Inconsistent ignition timing->Ultrasonic cleaning with deionized water followed by nitrogen drying in controlled environment

工业生态与工程逻辑

0
Material inconsistency affecting pressure tolerance
1
Dimensional variation causing primer misfires
2
Micro-cracks from manufacturing stress
3
Corrosion in humid environments
4
Work hardening during production

合规与检测

tolerance
Geometric dimensioning and tolerancing per ASME Y14.5-2018, Position tolerance: 0.010mm, Circularity: 0.005mm
test method
Coordinate measuring machine (CMM) verification, pressure testing to 150% rated capacity, metallurgical analysis for grain structure and hardness, leak testing with helium mass spectrometry

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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 tolerance standards must the Cup Body maintain?

The Cup Body requires dimensional tolerances of ±0.005mm for critical dimensions, with wall thickness consistency within ±0.002mm to ensure uniform pressure distribution during primer ignition.

Why is brass alloy C26000 specified for this component?

C26000 brass provides optimal combination of strength, corrosion resistance, and machinability while maintaining consistent material properties across production batches. Its specific composition prevents work hardening during forming operations.

How does the Cup Body prevent gas leakage during ignition?

Precision machining creates an interference fit with the primer anvil, while the uniform wall thickness and specific material properties prevent deformation under high pressure, maintaining seal integrity throughout the ignition sequence.

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URN:CNFX:ME:UNIT:CUP_BODY