行业组件数据 · 2026

夹头体

A precision clamping component in collet chucks that holds cutting tools or workpieces securely during machining operations.

技术定义与适配语境
典型 夹头体 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 collet body is the central structural component of a collet chuck system, designed to house and actuate the collet. It provides the mechanical interface between the machine spindle and the collet, transmitting rotational force while maintaining precise concentricity and clamping pressure. Typically made from hardened steel or alloy, it features internal tapers or threads that engage with the collet to create uniform radial compression when axial force is applied, ensuring secure gripping of tools or workpieces with minimal runout.

组件规格

定义
The collet body is the central structural component of a collet chuck system, designed to house and actuate the collet. It provides the mechanical interface between the machine spindle and the collet, transmitting rotational force while maintaining precise concentricity and clamping pressure. Typically made from hardened steel or alloy, it features internal tapers or threads that engage with the collet to create uniform radial compression when axial force is applied, ensuring secure gripping of tools or workpieces with minimal runout.
工作原理
The collet body operates on a mechanical clamping principle where axial motion (often from a drawbar or actuator) is converted into radial compression. When force is applied along the axis, the internal tapered surface of the body forces the collet to contract uniformly around the tool or workpiece, creating a high-friction grip. This system maintains precise alignment and concentricity while allowing quick tool changes with repeatable accuracy.
材料
Typically manufactured from alloy steel (e.g.AISI 41404340) or tool steel (e.g.D2H13)often heat-treated to HRC 45-55 for durability. Some precision versions use stainless steel or carbide-lined surfaces for wear resistance.
Weight
0.5-5 kg
Taper Type
R8, 5C, ER, TG, DA
Maximum RPM
6000-15000
Thread Size
M12-M30
Clamping Force
500-5000 N
Runout Tolerance
<0.005 mm
Collet Capacity Range
1-32 mm
标准
ISO 15488DIN 6499ISO 12164

行业分类与别名

夹头体 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

Wear on internal taper surfaces->Reduced clamping force and increased runout->Regular inspection and replacement of worn components, use of wear-resistant materials
Over-torquing during installation->Thread damage or body cracking->Follow manufacturer torque specifications, use calibrated torque wrenches
Contamination with chips or coolant->Poor collet seating and inaccurate clamping->Implement regular cleaning protocols, use protective covers when not in use

工业生态与工程逻辑

0
Wear and tear reducing clamping accuracy
1
Improper installation causing tool slippage
2
Material fatigue leading to catastrophic failure
3
Contamination affecting precision

合规与检测

tolerance
Runout tolerance typically <0.005 mm, concentricity within 0.003 mm, surface finish Ra 0.8 μm or better
test method
Runout measurement with precision dial indicators, clamping force testing with hydraulic/pneumatic gauges, material hardness testing per Rockwell scale, dimensional verification with CMM

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 body and a collet?

The collet body is the stationary housing component that contains the mechanism to actuate the collet, while the collet is the flexible sleeve that directly contacts and grips the tool or workpiece. The body provides the structural interface to the machine, while the collet provides the actual clamping surface.

How do I maintain a collet body for optimal performance?

Regular cleaning of internal tapers and threads, periodic inspection for wear or damage, proper lubrication of moving parts, and ensuring correct installation torque are essential. Avoid overtightening and check runout periodically with a dial indicator.

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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
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URN:CNFX:ME:UNIT:COLLET_BODY