Universal Joints: Complete Engineering Guide for Types, Applications, and OEM Manufacturing

H2 What Is a Universal Joint?

• 定義（依照 AI 摘要延伸技術版）

• 基本功能：扭力傳輸、角度補償

• U-joint 與 CV joint 基本差異

• 

H2 Universal Joint Structure Explained

• Yokes

• Cross / Spider

• Bearings（needle bearings vs. block type）

• Seals & lubrication points

H2 How Universal Joints Work（工程圖示概念）

• Rotary motion transmission

• Angular misalignment tolerance

• Velocity fluctuation（為什麼兩顆 U-joint 才能達成 constant velocity）

H2 Types of Universal Joints

• Single U-joint

• Double U-joint

• Heavy-duty U-joint

• Needle-bearing joints

• Cardan joints（加內部連結至 A4）

H2 Key Applications of Universal Joints

• Automotive driveshaft

• Industrial machinery

• Conveyors

• Pumps

• Agricultural equipment

H2 Materials & Manufacturing Process（EEAT）

• Alloy steels, carbon steels

• Heat treatment

• Precision machining

• Hardness standards

• ISO / DIN 規範引用

H2 How to Select the Right Universal Joint

• Operating angle

• Load & torque

• Speed

• Working environment

• Lubrication requirement

• Fitment / dimensional standards

H2 Common Failure Modes & Prevention

• Wear

• Fatigue

• Overload

• Lubrication failure
  （導內部連結：A2 + D1）

H2 Why Work With a Professional U-Joint Manufacturer?（專業背書）

• Chuen Chao 的優勢（OEM、Quality Control、設備能力）

H2 FAQ（全部導向 Cluster 文）

• Why are they called universal joints?（A3）

• What is another name for universal joints?（A4）

H2 Call to Action（固定模板）

Looking for OEM/ODM universal joint manufacturing? Contact our engineering team for drawings, custom specifications, and technical support.