行业组件数据 · 2026

夹紧机构(如夹头、夹爪)

Mechanical device that securely holds cutting tools or workpieces in machine tools through radial or axial force application.

技术定义与适配语境
典型 夹紧机构(如夹头、夹爪) 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 is a precision mechanical component within tool clamping systems that provides rigid, repeatable fixation of cutting tools (e.g., drills, end mills) or workpieces during machining operations. It ensures zero tool slippage, maintains concentricity, and transmits torque from the machine spindle to the tool while damping vibrations. Common variants include collet chucks (elastic deformation type) and mechanical clamp fingers (wedge or lever-actuated).

组件规格

定义
A clamping mechanism is a precision mechanical component within tool clamping systems that provides rigid, repeatable fixation of cutting tools (e.g., drills, end mills) or workpieces during machining operations. It ensures zero tool slippage, maintains concentricity, and transmits torque from the machine spindle to the tool while damping vibrations. Common variants include collet chucks (elastic deformation type) and mechanical clamp fingers (wedge or lever-actuated).
工作原理
Operates by applying controlled radial or axial force to grip the tool shank. Collets use elastic deformation of a slotted sleeve when compressed by a nut, creating uniform radial pressure. Clamp fingers employ mechanical wedges or levers that translate axial motion into radial clamping force, often via a drawbar or hydraulic actuator. Both types ensure high rigidity and concentricity through precise mechanical interfaces.
材料
High-strength alloy steel (e.g.42CrMo4AISI 4140) for clamp bodieshardened tool steel (e.g.AISI D2H13) for wear surfacesspring steel for colletsoptional carbide inserts for high-wear applications. Surface treatments: nitridingTiN/TiAlN coatings for abrasion resistance.
Max RPM
10,000-40,000 rpm
Clamping Force
2-25 kN typical
Balancing Grade
G2.5 per ISO 1940
Runout Tolerance
<0.003 mm (3 μm)
Tool Shank Range
HSK, CAT, BT, ISO taper
Coolant Compatibility
Through-tool coolant ports
标准
ISO 7388DIN 69893ISO 1940ISO 15488

行业分类与别名

夹紧机构(如夹头、夹爪) 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

Wear on collet taper or clamp finger surfaces->Increased runout (>0.01 mm), tool vibration, poor machining accuracy->Regular inspection, use of coated components, proper lubrication
Over-torquing of collet nut->Collet deformation, reduced clamping force, premature fatigue cracks->Use torque wrench, follow manufacturer specs (typically 50-150 Nm)
Contamination (chips, coolant residue) in clamping area->Incomplete tool seating, uneven clamping, reduced accuracy->Regular cleaning, use of protective caps, compressed air cleaning

工业生态与工程逻辑

0
Tool slippage under high torque
1
Runout accumulation causing poor surface finish
2
Fatigue failure of clamp components
3
Coolant leakage through worn seals

合规与检测

tolerance
Runout: ≤0.003 mm at 4×D; clamping force variation: ≤5% across operating range
test method
ISO 230-1 for geometric tests; laser interferometry for runout; strain gauge measurement for clamping force

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 collets and clamp fingers?

Collets use elastic deformation of a slotted sleeve for uniform radial grip, ideal for high-speed applications. Clamp fingers use mechanical wedges/levers for higher clamping force and better suitability for heavy cutting.

How often should clamping mechanisms be inspected?

Inspect every 500 operating hours for wear, runout, and damage. Replace collets after 2,000-3,000 clamping cycles or if runout exceeds 0.005 mm.

Can different brand collets be used interchangeably?

No, collets are brand-specific due to taper angles and thread designs. Always use manufacturer-recommended collets to ensure safety and accuracy.

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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:CLAMPING_MECHANISM_E_G_COLLET_CLAMP_FINGERS_