【CALLING ALL DESIGNERS】
• $85,000 total cash prizes
• Materials + shipping support
• $100 coupon for each finished project
• Top creators invited to Stars Conference 2027

⇒ Join now: https://oshwlab.com/activities/stars2026

#PCB#
#EasyEDA#OSHWLab#JLCPCB

With free 3D model downloads and competitive pricing, we make it easy to get high-precision gears for your project.

Why choose JLCMC Spur Gears?

✅ High Transmission Efficiency – Smooth and reliable power transfer

✅ Durable & Easy to Maintain – Simple structure, long-lasting performance

✅ Low Noise & Vibration – Stable operation at moderate speeds

✅ Configurable – Configure materials and sizes according to your needs

💪 Used together, they create the ideal motion system for:

CNC machines | Industrial robots | Automated production lines

✨ Why combine them?

✅ Precision & Stability – High accuracy with smooth guidance

✅ Rigidity & Load Capacity – Strong under heavy loads

✅ Smooth & Efficient – Low friction, fast response, long life

【What is PCB Etching?】

In short, etching is the chemical or physical process of removing unwanted copper from a substrate to reveal your designed circuit pattern. It’s the "make or break" step in PCB manufacturing.

【Top 3 Etching Techniques Compared】

1. Wet Etching (The Industry Standard) 🧪
   • How it works: Uses chemical solutions (Acidic or Alkaline) to dissolve excess copper.
   • Pros: Cost-effective, high speed, perfect for mass production.
   • Cons: Risks "undercutting" (sideways etching), which can limit fine-line precision.
   • Best for: Standard boards and inner layer circuits.
2. Dry / Plasma Etching (The Precision Play) ⚡
   • How it works: Uses plasma gases in a vacuum to bombard the surface.
   • Pros: Exceptional precision with zero liquid waste; no "undercutting" issues.
   • Cons: Expensive equipment and slower throughput.
   • Best for: High-density interconnect (HDI) boards and ultra-fine designs.
3. Laser Etching (The Clean Alternative) 🎯
   • How it works: A high-energy laser beam "evaporates" copper directly.
   • Pros: No chemicals needed; highly flexible for rapid prototyping.
   • Cons: Not suitable for large-scale production due to cost and time.

【3 Tips for Engineers to Avoid Failure】

• Mind the Undercut: Account for "Etch Factor" in your design to ensure your trace width remains accurate after chemical processing.
• Surface Preparation: Even a fingerprint can cause etching defects—cleanliness is key!
• Post-Etch Care: Ensure thorough rinsing and immediate surface finishing (like HASL or ENIG) to prevent copper oxidation.

Join the Conversation:

When designing high-speed circuits, which factor do you prioritize more: production cost or trace edge precision? Let’s discuss in the comments!

#PCBDesign #ElectronicsEngineering #HardwareDesign #JLCPCB #Manufacturing #TechTips

#PCB##JLCPCB#

Made from A6063-T5 industrial-grade alloy, our aluminum profiles deliver exceptional strength and durability—available in sizes from 15×15 to 50×50 to meet everything from light display racks to heavy-duty frameworks.

The secret to top-tier PCBs? It's all in the details! Take a tour through our factory and see how we turn your designs into reality—fast and flawless. #JLCPCB

Drawer slides might seem like a minor component, but they play a crucial role in enhancing both the functionality and perceived value of furniture.

From selecting the right model to professional installation guidance, JLCMC provides a complete approach to ensure smooth operation, long-lasting durability, and a superior experience for every scenario

A DIY 3D Printed Spiral Lamp that spins, glows, and creates a mesmerizing RGB illusion.

Designed by a student creator, this kinetic lamp combines smooth rotation with programmable LEDs—looking different every time it moves.

All structural parts were 3D printed with JLC3DP, delivering clean surfaces and precise fits for smooth motion.

👉 Want to build one yourself?

The project includes ready-to-print STL files for instant quoting and ordering:

• Middle Plate

• Bottom Plate

• Motor Gear

• Base Enclosure

• Spiral Structure

👉 Get the STL files & view the full build in the comments.

💡 Have a 3D printing idea of your own?

JLC3DP supports creators in turning ideas into reality—from concept to finished parts.

Hello makers and engineers!

At JLCPCB, we always strive to improve the quality and performance of our SMT stencils. If you encounter any issues, have suggestions, or want to share your experience with our stencils, please don’t hesitate to let us know.

Your feedback helps us make better products and serve the community even better. The more you share, the more we can improve together!

Thank you for being part of our maker community—your voice truly matters.

Happy building,
JLCPCB Stencil Team

Want a stencil but don’t need a PCB? No problem! 👌

At JLCPCB, you can order an SMT stencil on its own — no PCB required.

Here’s how:

1️⃣ Go to the ordering page and choose“SMT Stencil" from the top menu.

2️⃣ Upload your Gerber file for the stencil.

3️⃣ Select your options: framed / frameless, electropolishing, nano coating, etc.

4️⃣ Add to cart and checkout — that’s it!

Do you usually order stencils with your PCB or standalone? Any tips for first-time stencil orders?