行业组件数据 · 2026

横拉杆端部安装孔(球头座)

转向拉杆部件(转向垂臂或齿条)中的关键结构特征,提供精确定位和尺寸的圆柱孔或座,用于容纳和铰接横拉杆端的球形球头销。

技术定义与适配语境
典型 横拉杆端部安装孔(球头座) 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

转向拉杆部件(转向垂臂或齿条)中的关键结构特征,提供精确定位和尺寸的圆柱孔或座,用于安全容纳和铰接横拉杆端的球形球头销。该安装孔确保正确的机械连接、载荷传递和转向输入转换所需的旋转自由度。 该孔作为球头销的固定轴承表面。它在径向约束球头销的同时,通过球窝接头允许多轴旋转运动(铰接)。这将转向器的线性或旋转运动转换为转动车辆车轮所需的横向运动,适应悬架行程和转向角度。

组件规格

定义
转向拉杆部件(转向垂臂或齿条)中的关键结构特征,提供精确定位和尺寸的圆柱孔或座,用于安全容纳和铰接横拉杆端的球形球头销。该安装孔确保正确的机械连接、载荷传递和转向输入转换所需的旋转自由度。

该孔作为球头销的固定轴承表面。它在径向约束球头销的同时,通过球窝接头允许多轴旋转运动(铰接)。这将转向器的线性或旋转运动转换为转动车辆车轮所需的横向运动,适应悬架行程和转向角度。
工作原理
The hole acts as a fixed bearing surface for the ball stud. It constrains the stud radially while allowing multi-axis rotational movement (articulation) via the ball-and-socket joint. This converts linear or rotational motion from the steering gear into the lateral motion needed to turn the vehicle's wheels, accommodating suspension travel and steering angles.
材料
通常为锻造或铸造中碳钢(如AISI 1045、4140)或合金钢常经热处理(淬火和回火)以达到45-55 HRC的表面硬度以获得耐磨性。接触表面可能带有硬化钢嵌件或衬套。
Depth
15-30 mm
Chamfer
Standard lead-in chamfer for assembly
Tolerance
H7 or H8 for press-fit applications, tighter for threaded types
Bore Diameter
Typically 12-22 mm (varies by vehicle class)
Surface Finish
Ra 1.6 μm or better for bearing surfaces
Thread Specification (if applicable)
Metric coarse (e.g., M14x1.5, M16x1.5) or fine pitch
标准
ISO 4038DIN 71802SAE J492ISO 2768-mK (general tolerances)

行业分类与别名

横拉杆端部安装孔(球头座) 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

Insufficient hardness or improper heat treatment->Accelerated wear and ovalization of the bore, leading to excessive ball joint play->Implement strict material certification and process control for heat treatment; conduct regular hardness testing (Rockwell C) on production samples.
Misalignment during machining or forging->Off-axis loading on the ball stud, causing premature wear, binding, or fracture->Use CNC machining with precise fixturing; perform coordinate measuring machine (CMM) inspections for bore location and perpendicularity.
Corrosion due to exposure to road salts and moisture->Seizure of the ball stud, or corrosion pits that act as stress concentrators leading to crack initiation->Apply corrosion-resistant coatings (e.g., zinc plating, phosphate coating); specify stainless steel components for severe environments.

工业生态与工程逻辑

0
Fatigue failure from cyclic steering loads
1
Corrosion leading to seizure or increased wear
2
Improper installation causing cross-threading or damage
3
Wear-induced steering play and loss of vehicle control

合规与检测

tolerance
Bore diameter tolerance typically ±0.02 mm for press-fit, thread tolerance 6g/6H per ISO 965-1. Runout of bore axis to mounting face < 0.05 mm TIR.
test method
Dimensional verification via plug gauges or CMM. Torque-to-turn testing for ball joint articulation. Salt spray testing per ASTM B117 for corrosion resistance. Fatigue testing via dynamic load cycling simulating steering forces.

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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 the tie rod end mounting hole?

Its primary function is to provide a secure, precision-located interface that houses the tie rod end's ball stud, enabling the articulation necessary for steering while transferring steering forces from the steering gear to the wheel assembly.

How does wear in this component affect vehicle performance?

Wear or deformation in the mounting hole leads to excessive play (looseness) in the ball joint, causing imprecise steering, uneven tire wear, steering wheel vibration, and potentially dangerous handling instability or component separation.

Can a worn mounting hole be repaired, or must the entire component be replaced?

Typically, the entire Pitman Arm or Rack must be replaced if the mounting hole is worn beyond specification, as machining a new oversize hole is generally not structurally sound or cost-effective. Some aftermarket solutions involve sleeving or bushing kits for specific applications.

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CNFX Industrial Component Index · 汽车制造

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URN:CNFX:ME:UNIT:TIE_ROD_END_MOUNTING_HOLE_BALL_JOINT_SOCKET_