行业组件数据 · 2026

夹紧机构(如夹头螺母、夹紧螺钉)

A clamping mechanism secures cutting tools in tool holders for precision machining operations.

技术定义与适配语境
典型 夹紧机构(如夹头螺母、夹紧螺钉) 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。

A clamping mechanism in tool holders is a critical component that provides rigid and precise fixation of cutting tools (such as drills, end mills, or inserts) during machining processes. It ensures minimal tool runout, vibration damping, and accurate positioning to maintain dimensional accuracy and surface finish in metalworking operations. Common types include collet nuts that compress collets around the tool shank and clamping screws that directly secure tools in dedicated pockets.

组件规格

定义
A clamping mechanism in tool holders is a critical component that provides rigid and precise fixation of cutting tools (such as drills, end mills, or inserts) during machining processes. It ensures minimal tool runout, vibration damping, and accurate positioning to maintain dimensional accuracy and surface finish in metalworking operations. Common types include collet nuts that compress collets around the tool shank and clamping screws that directly secure tools in dedicated pockets.
工作原理
The clamping mechanism operates by applying radial or axial force to grip the tool shank. In collet-based systems, tightening the collet nut compresses the slotted collet, reducing its inner diameter to clamp the tool. For screw-based clamping, a threaded screw is torqued to press a wedge or clamp against the tool, locking it in place. Both methods rely on mechanical force to create friction and prevent tool movement during machining.
材料
Typically made from alloy steel (e.g.AISI 41404340) or stainless steel (e.g.AISI 304316) for strength and corrosion resistance. Hardened to 45-55 HRC for wear resistance. Collets may use spring steel or carbide for precision.
Thread Size
M8-M30
Clamping Force
500-5000 N
Runout Accuracy
<0.005 mm
Tool Shank Tolerance
h6/h7
Operating Temperature
-20°C to 120°C
标准
ISO 7388DIN 69871ISO 15488

行业分类与别名

夹紧机构(如夹头螺母、夹紧螺钉) 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

Incorrect torque application during installation->Tool slippage or breakage during machining->Use calibrated torque wrenches and follow manufacturer specifications for tightening.
Wear or fatigue in collet or screw threads->Reduced clamping force leading to poor surface finish->Implement regular inspection schedules and replace worn components promptly.

工业生态与工程逻辑

0
Tool slippage due to insufficient torque
1
Over-tightening causing collet or thread damage
2
Runout from worn components affecting precision
3
Corrosion in humid environments

合规与检测

tolerance
±0.005 mm for runout, thread fit per ISO 965
test method
Runout measurement with dial indicator, torque testing with load cells, fatigue testing per ISO 4965

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 difference between a collet nut and a clamping screw?

A collet nut compresses a collet to grip the tool radially, ideal for high-speed applications with minimal runout. A clamping screw applies direct axial force to lock the tool, often used for heavier cuts and indexable tools.

How often should clamping mechanisms be inspected?

Inspect before each tool change for wear, damage, or thread issues. Perform preventive maintenance every 500 operating hours or as per manufacturer guidelines to ensure consistent clamping force.

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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:CLAMPING_MECHANISM_E_G_COLLET_NUT_CLAMPING_SCREW_