JLCMC Blog

Power Transmission

Stepper Motors Explained: Types, Working Principles, and Applications

Stepper motors are discrete angular displacement actuators that move in fixed increments rather than rotating continuously. The 3 main types of stepper motor—Variable Reluctance (VR), Permanent Magnet (PM), and Hybrid (HB)—differ in rotor magnetic architecture, which directly determines step angle, holding torque, and open-loop control behavior. Selecting between these stepper motor types requires matching magnetic circuit characteristics to application requirements for positioning accuracy, torque de......

Jun 04, 2026

Power Transmission

Servo Motor vs Stepper Motor: Comparison of 5 Key Differences

Introductions During initial exposure to motion control systems in additive manufacturing equipment, the operation of a stepper motor is often immediately recognizable by its characteristic, rhythmic clicking. Unlike conventional motors that deliver continuous rotation, stepper motors advance in discrete increments, much like the ticking motion of a clock hand. In contrast, servo motors used in industrial robotic systems operate with minimal audible noise while achieving high-speed, highly responsive ......

Jun 03, 2026

Power Transmission

What Is a 2-Phase Stepper Motor? From Working Principle to Motor Selection

From desktop 3D printers to industrial CNC systems, 2-phase stepper motors are used wherever precise, repeatable motion control is required. Their popularity comes from a practical balance of positioning accuracy, driver simplicity, reliability, and cost. Selecting the right motor, however, is rarely as simple as comparing holding torque on a datasheet. Electrical parameters, winding configuration, supply voltage, rotor inertia, and speed-torque behavior all interact under real operating conditions. T......

Jun 03, 2026

Fasteners & Hardware

Socket Head Cap Screws for Mechatronics: Selection Guide, Sizes, Strength Grades, and Applications

In mechatronic assemblies, socket head cap screws are small parts with a surprisingly large influence. They do not move like linear guides, transmit torque like couplings, or detect objects like sensors. Yet they quietly decide whether machine plates stay aligned, motor brackets remain stable, sensor positions stay repeatable, and aluminum extrusion frames keep their rigidity after months of operation. For engineers, machine builders, automation integrators, maintenance teams, and sourcing specialists......

Jun 03, 2026

Partner Collaborations

How the miniMonster Team Built the CNC Milling Machine with JLCMC Components

Project Overview The Lemontart 33 Metal is a high-performance DIY CNC milling machine designed and developed by the miniMonster team on YouTube. Engineered for high-speed machining of aluminum, plastics, hardwood, and light-duty steel, the machine combines precision, modularity, and accessibility in a compact form factor. JLCMC is proud to support this collaborative project by supplying industrial-grade motion components, bearings, pneumatic fittings, and servo systems to innovators within the global ......

Jun 01, 2026

Fasteners & Hardware

Snap Rings in Mechatronics: Types, Uses, Comparisons, and Removal Tips

In mechatronic assemblies, small parts often carry big responsibilities. Motors drive motion, sensors provide feedback, and controllers make decisions, but something still has to keep bearings, pulleys, gears, rollers, and spacers from moving out of place. That small but important part is often a snap ring. Snap rings, also called retaining rings or circlips, are compact fastening components used to control axial movement on shafts or inside bores. They fit into grooves and act as mechanical stops, he......

May 28, 2026