行业组件数据 · 2026

活动钳口

Movable jaw is the adjustable clamping component in vises and clamping jaws that applies pressure to secure workpieces during machining operations.

技术定义与适配语境
典型 活动钳口 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 movable jaw is a precision-engineered component in clamping systems that translates mechanical force (typically via screw or hydraulic mechanisms) into controlled clamping pressure. It moves linearly along the vise body to accommodate various workpiece sizes while maintaining parallel alignment with the stationary jaw. This component features precisely machined surfaces for direct workpiece contact and often includes replaceable inserts or hardened faces to prevent damage to both the jaw and workpiece.

组件规格

定义
The movable jaw is a precision-engineered component in clamping systems that translates mechanical force (typically via screw or hydraulic mechanisms) into controlled clamping pressure. It moves linearly along the vise body to accommodate various workpiece sizes while maintaining parallel alignment with the stationary jaw. This component features precisely machined surfaces for direct workpiece contact and often includes replaceable inserts or hardened faces to prevent damage to both the jaw and workpiece.
工作原理
The movable jaw operates on mechanical advantage principles, converting rotational force from the vise screw into linear clamping force. As the screw rotates, it drives the jaw along precision-ground ways or guide rails, maintaining perpendicular alignment to the workpiece. The jaw distributes force evenly across the contact surface through its rigid construction and precise geometry, ensuring secure holding without distortion.
材料
Typically manufactured from hardened alloy steel (AISI 41404340)tool steel (D2A2)or ductile iron. Hardness ranges from 45-60 HRC for wear resistance. High-precision versions may use carbide inserts or ceramic coatings on contact surfaces.
Travel Range
50-300 mm
Clamping Force
500-5000 kg
Weight Capacity
10-200 kg
Surface Flatness
0.005-0.02 mm
Mounting Standard
ISO 10889 Type A/B
Parallelism Tolerance
0.01-0.05 mm
标准
ISO 10889DIN 6343JIS B 6191

行业分类与别名

活动钳口 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

Abrasive wear from repeated clamping->Loss of parallelism and clamping force->Regular inspection and replacement of wear surfaces; use of hardened inserts
Improper maintenance of guide ways->Binding or uneven movement->Regular cleaning and lubrication of sliding surfaces
Excessive clamping force->Cracking or permanent deformation->Use torque-limiting devices and proper operator training

工业生态与工程逻辑

0
Wear and loss of precision
1
Improper alignment causing workpiece damage
2
Over-tightening leading to component failure
3
Material incompatibility with workpiece

合规与检测

tolerance
±0.01mm parallelism, ±0.005mm flatness for precision grades
test method
Coordinate measuring machine (CMM) verification, surface plate inspection with dial indicators, clamping force testing with load cells

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 movable and stationary jaws?

The movable jaw adjusts to accommodate different workpiece sizes while applying clamping force, whereas the stationary jaw remains fixed and provides the opposing reaction force. Both must maintain precise parallelism for effective clamping.

How often should movable jaws be inspected for wear?

Inspect every 500 operating hours or monthly in continuous use. Check for surface wear, parallelism deviation exceeding 0.05mm, and any damage to mounting surfaces or guide ways.

Can movable jaws be customized for special applications?

Yes, they can be manufactured with special geometries, materials, or surface treatments for specific workpiece shapes, materials, or environmental conditions.

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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。

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URN:CNFX:ME:UNIT:MOVABLE_JAW