行业组件数据 · 2026

杠杆臂

A rigid mechanical component that transmits and amplifies force through rotational motion around a pivot point.

技术定义与适配语境
典型 杠杆臂 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 lever arm is a fundamental mechanical component consisting of a rigid bar that rotates around a fixed pivot point (fulcrum). It functions to transmit, amplify, or redirect force and motion within a mechanical system. In actuators and lever assemblies, it converts the linear or rotational input from a power source into a controlled output force or displacement at a different point along its length, governed by the principle of mechanical advantage.

组件规格

定义
A lever arm is a fundamental mechanical component consisting of a rigid bar that rotates around a fixed pivot point (fulcrum). It functions to transmit, amplify, or redirect force and motion within a mechanical system. In actuators and lever assemblies, it converts the linear or rotational input from a power source into a controlled output force or displacement at a different point along its length, governed by the principle of mechanical advantage.
工作原理
Operates on the principle of moments (torque) where Force × Distance from Fulcrum (input) = Load × Distance from Fulcrum (output). The mechanical advantage is determined by the ratio of the distances from the fulcrum to the points of force application and load. In an actuator system, input force (e.g., from hydraulic/pneumatic pressure or electric motor) is applied to one end, causing rotation around the pivot to produce amplified or redirected output force/motion at the other end.
材料
Typically manufactured from high-strength alloy steels (e.g.AISI 41404340) for durability and fatigue resistance. Alternative materials include aluminum alloys (e.g.6061-T6) for lightweight applicationsstainless steel (e.g.316) for corrosive environmentsor engineered polymers (e.g.PEEK) for specific non-metallic requirements. Material selection depends on load capacityenvironmental conditionsand weight constraints.
Length
150-500 mm (standard range)
Weight
0.5-3.0 kg
Hardness
HRC 28-45 (for steel)
Load Capacity
500-5000 N
Leverage Ratio
2:1 to 5:1
Surface Finish
Rz ≤ 6.3 μm
Pivot Bore Diameter
10-25 mm
标准
ISO 2768-1DIN 718-1ISO 286-2

行业分类与别名

杠杆臂 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

Cyclic stress exceeding material fatigue limit->Crack propagation and fracture->Use high-fatigue-strength materials, implement regular NDT inspections, design with smooth transitions to reduce stress concentrations
Insufficient lubrication or contamination at pivot->Increased friction, wear, and eventual seizure->Specify proper lubrication intervals, use sealed bearings, implement condition monitoring
Load exceeding design capacity->Plastic deformation or sudden failure->Incorporate overload protection devices, strict adherence to load limits, regular calibration of associated systems

工业生态与工程逻辑

0
Fatigue failure from cyclic loading
1
Bearing wear at pivot points
2
Overload deformation
3
Corrosion in harsh environments
4
Misalignment causing binding

合规与检测

tolerance
±0.1 mm on critical bore/pin dimensions, ±0.5 mm on length, angular tolerance ±0.5°
test method
Dimensional verification via CMM, load testing per ISO 7500-1, fatigue testing per ISO 12107, material certification per EN 10204 3.1

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 primary function of a lever arm in an actuator?

To convert and amplify input force/motion from the actuator (e.g., hydraulic cylinder) into a controlled output force or displacement, providing mechanical advantage for tasks like lifting, pressing, or positioning.

How do I select the right material for a lever arm?

Consider load requirements (strength/fatigue), operating environment (corrosion, temperature), weight limitations, and cost. Alloy steel is common for high strength, aluminum for lightweight needs, and stainless steel or polymers for corrosive/clean environments.

What maintenance does a lever arm require?

Regular inspection for wear/cracks, lubrication of pivot points, checking fastener torque, and monitoring for deformation or corrosion, especially in high-cycle applications.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

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。

请求制造能力信息: 杠杆臂

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 杠杆臂?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
杠杆手柄
下一个组件
松土齿
URN:CNFX:ME:UNIT:LEVER_ARM