JLCMC Blog

Structural Profiles

2024 Aluminum Extrusion Tech & Special Profiles Overview

Introduction Revolutionizing materials usage, aluminum extrusion profiles are soaring in popularity, swiftly supplanting traditional materials like wood, plastic, steel, and stainless steel. Boasting a wide array of unparalleled advantages, they've found ubiquitous application across industries. With a surge in demand for innovative product design and manufacturing, aluminum extrusion has emerged as a game-changer. According to Technavio's latest report, the global aluminum extrusion market will grow ......

Dec 09, 2024

Power Transmission

Understanding What Are Gears: An Introduction to Mechanical Power Transmission

Introduction In nearly every mechanical system—from a simple clock to a complex industrial robot—gears play a central role in transferring power and controlling motion. They are among the most fundamental machine elements in mechanical engineering, yet their impact is immense. With a compact structure and precise tooth geometry, gears enable machines to change speed, adjust torque, synchronize motion, and redirect rotational energy with high accuracy. This article will explore why gears are indispensa......

Dec 03, 2025

Power Transmission

Mastering the Involute of Gear: Key Engineering Principles and Geometry

Introduction Among all tooth profile designs in mechanical engineering, the involute gear has become the universal standard for contemporary power transmission. Its dominance is not accidental: the involute curve offers unmatched consistency, predictable meshing behavior, and excellent robustness under manufacturing and assembly variations. Before the rise of the involute system, older geometries—such as cycloidal teeth—struggled to provide stable performance under load or during slight positional dev......

Dec 03, 2025

Power Transmission

Understanding Gear Systems: Mechanism and Design in Mechanical Engineering

Introduction A gear system is more than just a set of rotating parts; it is a coordinated assembly of two or more gears working together to transmit mechanical power efficiently and reliably. These systems form the backbone of countless mechanical devices—from industrial machinery and automotive transmissions to clocks and household appliances. Gear systems provide engineers with a means to regulate rotational speed, transmitted torque, and direction of motion, all while maintaining highly accurate sy......

Dec 03, 2025

Power Transmission

Exploring the Parts of Gear: Defining Key Structural Components

Introduction A gear may appear as a simple circular object with teeth, yet its effectiveness in transmitting power depends on the precise design of multiple structural elements. Each part of a gear plays a unique role in ensuring strength, efficiency, and smooth operation. From the tooth tip to the hub that connects it to a shaft, understanding the parts of a gear is fundamental for engineers, designers, and maintenance professionals. As you explore the essential parts of a gear and how each feature a......

Dec 04, 2025

Power Transmission

Introducing the Worm and Wheel Gear: Understanding What Is a Worm Gear

Introduction A worm gear represents a unique solution in mechanical power transmission. Compact, capable of high reduction ratios, and suited for misaligned shafts, this gear type stands apart from conventional spur or helical gears. But what is a worm gear, and what makes the worm-and-wheel gear system fundamentally different from a standard gear drive? Unlike typical parallel-shaft gear systems, worm gears combine a screw-like worm with a specialized wheel to achieve smooth, quiet, and high-torque m......

Dec 04, 2025