行业组件数据 · 2026

紧定螺钉/锁定机构

Set screws and locking mechanisms secure capillary or wedge tool holders in precision machining applications.

技术定义与适配语境
典型 紧定螺钉/锁定机构 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。

Set screws and locking mechanisms are critical fastening components in capillary or wedge tool holders, designed to securely clamp and position cutting tools or inserts with high precision. These mechanisms prevent tool slippage, vibration, or displacement during high-speed machining operations, ensuring dimensional accuracy and surface finish quality. They typically consist of threaded screws, locking collars, or wedge systems that apply radial or axial clamping force.

组件规格

定义
Set screws and locking mechanisms are critical fastening components in capillary or wedge tool holders, designed to securely clamp and position cutting tools or inserts with high precision. These mechanisms prevent tool slippage, vibration, or displacement during high-speed machining operations, ensuring dimensional accuracy and surface finish quality. They typically consist of threaded screws, locking collars, or wedge systems that apply radial or axial clamping force.
工作原理
Set screws apply clamping force through threaded engagement, creating friction or mechanical interference to lock components. Locking mechanisms may use wedges, collets, or eccentric cams to convert rotational or linear motion into radial clamping force, securing the tool in the holder. Some designs incorporate self-locking features like nylon inserts or deformed threads to prevent loosening from vibration.
材料
Typically made from alloy steels (e.g.AISI 41404340) or stainless steels (e.g.AISI 304316) with hardness of 28-32 HRC for general useor 45-50 HRC for high-strength applications. Corrosion-resistant coatings like zinc platingblack oxideor nickel plating are common. High-performance versions may use titanium alloys or precipitation-hardened stainless steels.
Length
8mm to 40mm
Head Type
Socket head, flat head, or button head
Drive Type
Hex socket, Torx, or slotted
Thread Size
M4 to M12
Clamping Force
50N to 500N
Temperature Range
-20°C to 150°C
Torque Specification
2Nm to 25Nm
标准
ISO 4026ISO 4027ISO 4028DIN 913DIN 914DIN 915

行业分类与别名

紧定螺钉/锁定机构 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 tightening torque->Tool slippage during machining->Use calibrated torque wrenches and follow manufacturer specifications; implement regular torque checks
Vibration-induced loosening->Gradual loss of clamping force->Use thread-locking compounds or self-locking screws; implement preventive maintenance schedules
Material fatigue from cyclic loading->Screw fracture under operational stress->Select appropriate material grade; implement replacement schedules based on usage cycles

工业生态与工程逻辑

0
Tool slippage due to insufficient torque
1
Thread stripping from over-torquing
2
Corrosion in humid environments
3
Fatigue failure from cyclic loading
4
Thermal expansion mismatch

合规与检测

tolerance
Thread tolerance: 6g per ISO 965-1; dimensional tolerance: ±0.1mm per ISO 2768-m
test method
Torque testing per ISO 16047; vibration testing per ISO 16156; corrosion resistance 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 is the difference between set screws and locking mechanisms in tool holders?

Set screws are simple threaded fasteners that apply direct clamping force, while locking mechanisms may include wedges, collets, or cam systems that provide more uniform clamping and higher precision for tool positioning.

How often should set screws be inspected or replaced?

Inspect set screws every 200-500 machining hours for wear, thread damage, or loosening. Replace if there is visible deformation, stripping, or if torque values drop below 80% of specification.

Can different material grades of set screws be mixed in the same assembly?

No, mixing material grades can lead to galvanic corrosion or uneven clamping forces. Always use screws of identical material and specification in a single locking mechanism.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:SET_SCREWS_LOCKING_MECHANISM