JLCMC Blog

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

Power Transmission

How to Understand Stepper Motor Sizes and Specifications from NEMA 17

NEMA 17 stepper motors often surprise first-time users with their compact size. The body is roughly that of a matchbox, yet noticeably dense for its volume, with four colored wires protruding like thin antennae. Turn the casing over, and there is usually no obvious marking that explains the "17" designation. That number rarely appears on the housing itself; it exists primarily in datasheets and supplier listings, which is precisely where much of the confusion begins. What Is a NEMA 17 Stepper Motor? A......

May 19, 2026

Fasteners & Hardware

The Ultimate Guide to Thumb Screws in Mechatronics: Why This Tiny Fastener Deserves Your Respect

In the world of mechatronics, engineers spend plenty of time discussing servo systems, motion controllers, PLC architectures, and precision sensors. Yet one of the most practical components in any electromechanical assembly is often overlooked: the thumb screw. It is not programmable. It does not generate data. It will never appear in a product keynote presentation. But when a technician needs fast access to a control enclosure, an operator must adjust a vision alignment bracket, or a maintenance engi......

May 20, 2026

Operation & Maintenance

How to Remove a Stripped Screw: Practical Methods for Precision Mechanical and Automation Assemblies

A stripped screw occurs when the driver can no longer grip the screw head properly due to worn or damaged drive geometry. This commonly affects Phillips, hex socket, and Torx fasteners after excessive torque, corrosion, repeated maintenance cycles, or improper tool selection. In automation equipment, CNC systems, electronics assemblies, and linear motion applications, stripped screws can become especially difficult to remove because surrounding components are often compact and sensitive. Assemblies bu......

May 16, 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 ......

May 06, 2026

Power Transmission

What Role Does a Stepper Motor Play In a 3D Printer?

Most 3D printers, particularly those based on FDM (Fused Deposition Modeling), achieve motion through precisely controlled incremental steps. This stepwise motion behavior is not merely a byproduct of the process but a direct consequence of the underlying drive technology. At the core of these motion systems are stepper motors, which convert digital control signals into repeatable mechanical positioning. What Is a Stepper Motor? A stepper motor is, fundamentally, an actuator that converts electrical p......

Apr 30, 2026