行业组件数据 · 2026

锁紧螺钉

Locking screws are precision fasteners designed to secure components in mirror mount assemblies with vibration resistance and positional stability.

技术定义与适配语境
典型 锁紧螺钉 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。

Locking screws are specialized threaded fasteners used in mirror mount assemblies to firmly secure optical components against displacement. They feature locking mechanisms that prevent loosening under vibration, thermal cycling, or dynamic loads, ensuring precise alignment and stability in optical systems. These screws maintain consistent clamping force and positional accuracy critical for applications requiring micron-level precision.

组件规格

定义
Locking screws are specialized threaded fasteners used in mirror mount assemblies to firmly secure optical components against displacement. They feature locking mechanisms that prevent loosening under vibration, thermal cycling, or dynamic loads, ensuring precise alignment and stability in optical systems. These screws maintain consistent clamping force and positional accuracy critical for applications requiring micron-level precision.
工作原理
Locking screws operate through mechanical interference or friction-based locking mechanisms. Common designs include nylon-insert lock nuts, prevailing torque lock nuts, or thread-locking adhesives that create resistance against rotational forces. When tightened, these screws generate axial clamping force that secures components while the locking mechanism prevents back-off through elastic deformation, chemical bonding, or mechanical interference with mating threads.
材料
Typically manufactured from alloy steel (grade 8.810.9or 12.9)stainless steel (A2/A4 grades)or titanium alloys. Surface treatments include zinc platingblack oxideor dichromate coatings for corrosion resistance. Locking elements may incorporate nylon insertsmetal locking collarsor chemical thread-locking compounds.
Length
6mm to 50mm
Head Type
Hex socket, slotted, or Phillips
Thread Size
M3 to M12
Locking Type
Nylon insert, all-metal lock, or chemical adhesive
Torque Range
0.5 Nm to 25 Nm
Temperature Range
-40°C to 120°C (standard), up to 200°C (high-temp variants)
Vibration Resistance
MIL-STD-1312 compliant
标准
ISO 898-1ISO 10511DIN 6923DIN 934ASME B18.2.4.6M

行业分类与别名

锁紧螺钉 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

Insufficient torque during installation->Component loosening and positional drift->Implement calibrated torque wrenches and regular inspection protocols
Material incompatibility in corrosive environments->Thread corrosion and seizure->Use stainless steel or coated screws with proper material pairing
Excessive vibration beyond design limits->Locking mechanism fatigue and failure->Select screws with higher vibration resistance ratings and implement damping systems

工业生态与工程逻辑

0
Over-torquing can strip threads or damage optical components
1
Incorrect material selection may cause galvanic corrosion
2
Locking mechanism failure under extreme temperatures
3
Improper installation leading to misalignment

合规与检测

tolerance
Thread tolerance: 6g per ISO 965-1, dimensional tolerance: ±0.1mm per ISO 2768-m
test method
Vibration testing per MIL-STD-1312, torque-tension testing per ISO 16047, salt spray testing per ISO 9227

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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 distinguishes locking screws from standard screws in mirror mount applications?

Locking screws incorporate specialized mechanisms (nylon inserts, prevailing torque features, or adhesives) that prevent loosening under vibration and thermal cycling, whereas standard screws rely solely on friction and may require periodic retightening.

How do I select the appropriate locking screw for a mirror mount assembly?

Consider vibration levels, thermal expansion coefficients, required torque values, material compatibility with the mount, and environmental conditions. Always verify compliance with relevant ISO/DIN standards for your application.

Can locking screws be reused after installation?

Nylon-insert locking screws have limited reusability (typically 3-5 cycles) as the nylon degrades. All-metal locking screws offer better reusability, while chemically locked screws are generally single-use. Always consult manufacturer specifications.

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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: 锁紧螺钉

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:LOCKING_SCREWS