One Order, One Shipment. JLCMC supports combined orders with JLC3DP and JLCCNC. You can consolidate products from 3D printing, CNC, and mechanical parts in a single order.

💡How can this new feature make your ordering process easier?

✅Streamline ordering processes

✅Unified quotes & lead times

✅Optimized combos for best performance & cost

A manual stencil solder paste printer is a practical and cost-effective solution for SMT prototyping and small-batch production due to its clear operational advantages:

🚀 Zero Setup Time: No programming. Just align and print.

⚡ Agile Iteration: Perfect for version A/B testing without stopping the main line.

🔧 Versatile: Handles non-standard PCBs and various stencil sizes with ease.

👉 Looking to improve your solder paste printing process? Explore the right manual stencil printer for your workflow.

To further support engineers during the design and integration phase, JLCMC now provides downloads of native SolidWorks CAD files (.SLDPRT / .SLDASM), enabling direct use in real engineering projects.

Native SolidWorks Files — Ready for Engineering Use:

📐 Fully parametric & editable models

⚙️ Built for Real Engineering Applications

🔧 Streamlining the Design Process

From product selection to design integration, JLCMC components are now ready to drop directly into your SolidWorks workflow.

In high-speed servo systems, we often prioritize rated torque and torsional stiffness during coupling selection, but coupling inertia can quietly influence system response time and positioning accuracy.

💬 Based on your experience, what is the most common cause of coupling-related issues?

a. Poor installation or shaft misalignment

b. Improper selection (insufficient torque or speed rating)

c. Fatigue or aging-related failure

d. Environmental factors (corrosion, high temperature)

Slivers can peel off and cause short circuits or poor soldering.

The Fix: Ensure minimum soldermask bridge width (usually 0.1mm) in your CAD settings.

Working on a tight design? Our tech support can review your Soldermask clearance anytime. Just ask!

Want to keep your project on budget?

1. Stick to Standard Sizes: Stay within 100x100mm.
2. Optimize Drill Sizes: Avoid micro-vias if possible.
3. Standard Lead Times: Plan ahead to save on shipping.

Have a complex design? Comment below for a free DFM optimization tip!

High-density SMT on a 0.11mm FPC? Challenge accepted. We just helped a client optimize this wristband layout for maximum durability and comfort.

Working on something similar? Upload your design for a free DFM review from our technical support team!

Don't let your flexible circuits fail at the bend.

Follow these:

1. No Vias in the bend area.
2. Smooth corner traces (no 90-degree angles).
3. Use Teardrops for pad-to-trace transitions.

What's your biggest FPC challenge? Ask our experts in the comments! 👇

I try to make a small circle heating pad for my silicone heater.

Vibe a preview picture by Gemini, it looks great!

Screws, rivets, and threaded inserts can all affect assembly strength and ease. Selecting the right fastener is key.

Question: Which type of fastener do you prefer for small sheet metal assemblies and why?

Have you ever switched fastener types mid-project? What led to that decision?

#sheetmetal# #JLCCNC#

A good surface finish can improve not only the appearance but also the performance and lifespan of sheet metal parts. Our clients often choose powder coating, anodizing, or brushed finishes based on application needs.

Question: What's your main consideration when selecting a surface finish for sheet metal? Aesthetics, protection, or functional performance?

Have you ever tried a finishing technique that surprised you with its effectiveness? Share your experiences so we can all learn!

#sheetmetal# #JLCCNC#

A common question in real projects is:
Should this part be sheet metal or CNC machined?

The answer is not about “which is better” but which is more suitable.

🔸 Sheet metal works best when:

• Wall thickness is uniform
• Parts are enclosure-like or structural
• Quantities are medium to large
• Cost efficiency matters

🔸 CNC machining works best when:

• Complex 3D geometry is required
• Tight tolerances are critical
• Parts are thick or solid
• Quantities are small or prototype-focused

📌 In real projects, the best solution is often:
Sheet metal + CNC parts combined for optimal cost and performance.

💬 Discussion:
Have you ever chosen the wrong process and later regretted it?
What would you do differently next time?

#sheetmetal# #JLCCNC#

Many designers and makers only see the final sheet metal part, not the full manufacturing process behind it.

A typical sheet metal workflow looks like this:

1️⃣ Laser cutting – defines shape and hole accuracy

2️⃣ Bending – the most critical forming step

3️⃣ Welding or riveting (if needed) – creates assemblies

4️⃣ Surface finishing – powder coating, anodizing, brushing, etc

📌 Why does this matter?

Understanding the process helps you:

• Reduce unnecessary cost
• Improve manufacturability
• Shorten production lead time

💬 Discussion:

Which step of sheet metal fabrication concerns you the most—precision, bending accuracy, or surface finish?

#sheetmetal# #JLCCNC#

From real production experience, most sheet metal issues are not caused by manufacturing, but by design decisions made early on.

Here are some common design mistakes we see repeatedly:

1️⃣ Zero bend radius

In real fabrication, a bend radius can never be zero.
Minimum bend radius depends on material type and thickness, and ignoring this often causes cracking or deformation.

2️⃣ Holes too close to bend lines

Holes or slots placed too close to a bend line may lead to:

• Distortion
• Cracking
• Unstable dimensions

3️⃣ No consideration for assembly sequence

A part may look fine in CAD, but once bent:

• Tools cannot reach
• Parts cannot be assembled
• Welding becomes impossible

📌 Design tip:
When designing sheet metal parts, always ask:
👉 “How will this part actually be manufactured step by step?”

💬 Discussion:
What is the biggest sheet metal design mistake you've made or seen?
Bend issues, tolerances, or assembly problems?

#sheetmetal# #JLCCNC#

I bought a silicone heater just like this on JLCPCB for less than five US dollars. It’s insanely cheap, and it’s more than enough to make a pair of hand warmers.